Geography — Chapter 2

Plate Tectonics and Landforms — Plates, Earthquakes, Volcanoes, Mountains, Plateaus and Plains

Why this chapter matters: this is the chapter that explains why the map looks the way it does — and the banks reward it heavily. Our verified banks hold 234 questions matching this topic directly: mountains (140) — above all Everest, K2, the Himalayas and the Andes — earthquakes (26) — above all the Richter scale, tsunamis and Pakistan’s own 1935 and 2005 quakes — plateaus (24) — above all the Pamir, the Potwar and the Balochistan plateaus — plains (22) — above all the Upper and Lower Indus Plain and its doabs — volcanoes (19) — above all Etna, Vesuvius and Koh-i-Sultan — and plates (3) by direct question-text match, though plate ideas sit behind almost every earthquake, volcano and mountain question in the set. Learn the mechanism in Section 1 first: once the three boundary movements are clear, Sections 2–4 fall into place.

Exam Trend box — 🔁 Most repeated: the mountains family (140 chapter questions; 177 rows / 107 files in the full-bank scan) and the earthquake family (86 rows / 56 files in the full-bank scan). ⭐ Must know: both families are still asked in 2024–2026 papers (mountains filename-year 2024:6 / 2025:26 / 2026:3; earthquakes 2024:4 / 2025:22 / 2026:11). 🆕 Newly appeared: the 2025 earthquake year — seven quakes from January to September 2025, tabled in Section 2A; the 2025 flood year — Pakistan’s monsoon (1,006 dead, NDMA) plus the Texas flash flood and Cyclone Ditwah, tabled in Section 2B; the 2025 storm year — eight named tropical cyclones from July to November 2025, tabled in Section 2C; the 2025 wildfire year — Los Angeles in January and the Mediterranean fire season in August 2025, tabled in Section 2D; the 2025 aviation disasters year — seven fatal crashes from June to December 2025, tabled in Section 2E; and the 2025 volcano year — five eruptions from June to November 2025 plus the Uturuncu and Taftan dormant-system traps, tabled in Section 2F; no 🔁/⭐ is claimed for any of the six tables themselves, each covering one year only.

1. The plates: what moves, and why

• The Earth’s outer shell is broken into large rigid sections of the lithosphere — the plates. The plates are not fixed: they creep, only a few centimetres a year, carried on the slow circulation of the hot mantle beneath them.
• The engine is convection currents. The lecturer’s picture is a boiling pot: water at the bottom warms, rises; at the top it cools and sinks; the cycle repeats. The mantle works the same way — hot material rises, cools, and sinks back — and these currents are what move the plates.
• The theory that the continents themselves once moved is Continental Drift, given by Alfred Wegener. Once, all the continents were joined in one supercontinent — Pangaea. Pangaea first split into two: Laurasia in the north and Gondwana in the south.
• The layers recap from the earlier lecture: by composition — crust, mantle, core; by mechanics — lithosphere, asthenosphere, mesosphere, outer core, inner core. Remember the MCQ point: everything is solid except the outer core, which is liquid.
• Plate boundaries work three ways:
  1. Apart (divergent / extension zone): plates pull away from each other. Where rising material pushes up through the ocean floor, an oceanic ridge forms — new crust being born.
  2. Together (convergent / collision): plates collide. Where two continental crusts collide head-on, the crust buckles upward into a mountain range — the Himalayas are the textbook case. Where one plate dives under another, that is subduction, and it digs a trench — the deepest places on Earth.
  3. Past each other (transform / sliding): plates grind sideways along each other. No new crust is made and none is destroyed, but the grinding builds up the stress that earthquakes release.
• The plate file the lecture drills:
  • The Pacific Plate is the largest plate.
  • The Cocos Plate is the fastest-moving plate, as taught.
  • India sits on the Indian plate (of the Indo-Australian plate) — a 2025 paper asked exactly this. India drifted from the Australian–Antarctic side of Gondwana, collided with Asia, and the crust crumpled up into the Himalayas.
  • The named plates on the lecture’s map include the Arabian, African, North American, Caribbean and Australian plates among some sixteen.
• The two depth extremes the lecture anchors: the deepest point is the Mariana Trench (10,990 m), in the Pacific, and the highest is Mount Everest (8,850 m), as taught. The Indian Ocean’s deepest point is the Java Trench.

2. Earthquakes: the plates letting go

• An earthquake is the sudden release of energy when stressed rock along a fault — a crack in the crust — slips, most often at a plate boundary. The energy travels out as seismic waves.
• Focus (hypocentre) is the point inside the Earth where the slip happens. Epicentre is the point on the surface directly above the focus — the place that shakes first and usually hardest.
• The two wave families the banks ask:
  • P waves (primary): compression waves, travel fastest, pass through solids, liquids and gases. The banks key it: P waves have a faster speed than S waves.
  • S waves (secondary): transverse waves — the particles move at right angles to the direction of travel. They are slower, and they cannot pass through liquids (which is how we know the outer core is liquid).
• The instruments and scales:
  • The seismograph is the instrument specially designed for recording earthquake waves; the study of earthquakes is seismology.
  • The Richter scale measures the strength or magnitude of an earthquake — the energy released. Magnitude is one number for the whole quake.
  • The Mercalli scale measures intensity — how strongly a place actually shook, which varies from place to place. Places experiencing equal impact of an earthquake are joined on a map by seismic lines (the banks’ key; the standard term for equal-intensity lines is isoseismal lines).
  • The honest limit the banks themselves print: the likelihood of a region experiencing an earthquake can be estimated, but earthquakes cannot be accurately predicted.
• Tsunami is a Japanese word meaning “harbour waves”. A tsunami is not an ordinary wave: it is a series of sea waves set off most often by an undersea earthquake (or a volcanic eruption or landslide) that displaces a whole column of water. In the open ocean it travels fast and low; it grows tall only as it reaches shallow coastal water.
• The record quakes the banks ask:
  • The most powerful earthquake ever recorded struck Chile on 22 May 1960 — magnitude 9.5 (the Valdivia earthquake), on the Peru–Chile subduction zone where the Nazca Plate dives under South America. Its tsunami crossed the whole Pacific, reaching Hawaii, Japan and the Philippines.
  • The 2004 tsunami (26 December 2004) had its epicentre off Sumatra, Indonesia; the banks ask which island was the epicentre, and how many countries were affected.
  • Pakistan — Quetta, 1935: Quetta city was completely destroyed by the earthquake of 1935; the banks key the death toll at 30,000.
  • Pakistan — Makran tsunami, 1946: the banks ask the year a tsunami hit the Makran coast — 1946.
  • Pakistan — 8 October 2005: an earthquake of 7.6 magnitude on the Richter scale hit the northern areas of Pakistan and Azad Kashmir on 8 October 2005; the banks key the death toll at 73,276, and the epicentre 100 km north of Islamabad at Garhi Habib Ullah (Balakot and Muzaffarabad are the other options the papers offer — the bank key is Garhi Habib Ullah).
• Most of the world’s earthquakes and volcanoes ring the Pacific — the Ring of Fire, the belt of subduction zones and volcanic arcs around the Pacific Ocean. That one belt explains why Chile, Japan, Indonesia and the western Americas dominate the earthquake questions.

2A. Retrospective: the 2025 earthquake year 🆕 2025 trend (origin year 2025)

Seven quakes in nine months made 2025 the year examiners will mine for a decade — and the CA bank already asks six of them. Read the table with one rule in mind: shallow + populated = deadly, deep = widely felt but weakly damaging, huge + remote = low damage. Every magnitude and toll below was rechecked against the standard reference (USGS, PHIVOLCS/NDRRMC, WHO) — where the bank’s early figure differs from the final count, the final count is taught and the bank figure is flagged, not hidden.

• The pattern to carry into the paper: depth beats magnitude for damage. Kamchatka’s 8.8 killed almost nobody; Kunar’s 6.0 killed ~2,200 and Cebu’s 6.9 killed 79 — because the second two were shallow (8 km, 5 km) under populated ground and the first was offshore and remote.
• Toll figures move — always take the final count. Kunar: 600+ (day one) → 1,411 (2 September) → ~2,200 (WHO, 8 September). Cebu: 31 (night one) → 72–74 (week one) → 79 final. A paper keyed to an early wire will disagree with the final count; the final count is the standard answer here, and the early figure is named so the disagreement is recognised, not mistaken for a different quake.

2B. Retrospective: the 2025 flood year 🆕 2025 trend (origin year 2025)

If 2025 was the earthquake year in Section 2A, it was also the flood year — and the CA bank asks Pakistan’s monsoon more than any other 2025 disaster. Read the table with one rule in mind: flash floods kill people, river floods destroy livelihoods. KP’s deaths came from flash floods in steep mountain valleys; Punjab’s damage came from slow river floods across the plain. Same monsoon, two different disasters — and the papers ask both.

• The pattern to carry into the paper: steep + narrow = deadly, flat + wide = costly. KP’s flash floods killed the most people in the fewest places; Punjab’s river floods displaced millions and wiped out the rice belt. A question giving “Buner” is asking about the flash-flood province; a question giving “8,400 villages” is asking about Punjab.
• Toll figures move — always take the final count. Pakistan: 900 dead / 209 missing in the bank’s September snapshot → 922 (NDMA, 8 September) → 1,006 (NDMA, 21/26 September). The bank’s 209 missing is an early-September snapshot figure; NDMA’s later releases report deaths and injuries, not a matching missing count — so the season toll taught here is 1,006 dead, and a question quoting 900 is quoting September, not the season.
• Floods → prices is an exam link, not a coincidence. The bank’s October 2025 inflation question keys flood-induced supply shortages as the primary reason for the rise — a disaster in one paper becomes an economy answer in the next.

2C. Retrospective: the 2025 storm year 🆕 2025 trend (origin year 2025)

The same warm oceans that fed Section 2B’s floods produced a storm season the CA bank asks by name — and the names are the exam point. One rule first, because the papers test it: hurricane, typhoon and cyclone are the same phenomenon with different basin names — hurricane in the Atlantic and Caribbean, typhoon in the north-west Pacific, cyclone in the Indian Ocean and around Australia. A question giving “Category 5” is asking about the Atlantic scale; a question giving “landfall in Guangdong” is asking about a typhoon, whatever the options call it. Every date, landfall and toll below was rechecked against the standard reference (NHC tropical cyclone reports, China’s National Meteorological Center, Vietnam’s disaster agency, Australia’s Bureau of Meteorology) — where the bank’s early figure differs, the final figure is taught and the bank figure is flagged, not hidden.

• Cyclone Ditwah (28 November, Sri Lanka) is not repeated here — it is tabled in Section 2B, where its flood damage belongs, and its CA-bank row (November 2025 ×1) is already counted in Section 2B’s 12-question set, not counted again here.
• The pattern to carry into the paper: over land = deadly, over water = spectacular. Erin’s Category 5 and Gabrielle’s Category 4 killed nobody because they stayed offshore; Kajiki (Category 2) and Bualoi killed dozens because they crossed populated coasts and stayed there. And evacuation scale is a China signature: Co-May (~283,000), Tapah (~60,000) and Matmo (~347,000) are the three numbers the papers will reach for when they ask about preparedness.
• Name traps: the bank’s October 2025 “Hurricane Oscar made landfall in eastern Cuba” row is not a 2025 storm — Hurricane Oscar’s Cuba landfall was October 2024, so the row is a misfile and is not taught as a 2025 item. The August 2025 bank row about an “Oscar” winning Best Film is the film Anora’s year, not a storm at all.

2D. Retrospective: the 2025 wildfire year 🆕 2025 trend (origin year 2025)

The same hot, dry 2025 that fed Section 2B’s floods and Section 2C’s storms also burned — and the papers ask the fire year by place, not by area burned. One mechanism first, because it explains all three rows: a wildfire needs fuel (dry vegetation) + heat + wind. In Los Angeles it was drought-dried brush plus Santa Ana winds; in the Mediterranean it was a summer heatwave plus prolonged drought plus strong winds. A question giving “state of emergency” is usually asking for the place and the month, and a question giving a strait closure is asking for the waterway and the fire province behind it. Every date, toll and evacuation figure below was rechecked against the standard reference (Cal Fire / Britannica’s final tolls, Greece’s Fire Department reporting, Türkiye’s Transport Ministry via AFP/BBC) — where the bank’s early figure differs, the final figure is taught and the bank figure is flagged, not hidden.

• Why 2025 burned: the World Meteorological Organization confirmed (14 January 2026) that 2025 was one of the three warmest years on record — 1.44 °C above the 1850–1900 average, with 2023–2025 the three warmest years in all eight datasets — despite La Niña cooling at both ends of the year. That single line is the context behind Section 2A’s quakes, Section 2B’s floods, Section 2C’s storms and this section’s fires alike; the CA bank carries it as a January 2026 row.
• The standing fact behind the LA row: the CA bank also asks which US state is statistically most vulnerable to catastrophic wildfires — California, on prolonged drought, dry vegetation and strong winds. It is a standing row, not a 2025 event, and is not counted in the 3-question 2025 set below.
• Name traps: the bank’s July 2025 row about an American state where “more than a hundred people died” in wildfires is not a 2025 event — that toll is Maui, Hawaii, August 2023 (102 dead), misfiled in the July 2025 file, and is not taught as a 2025 item. And the bank’s January 2026 wildfire rows — Chile (state of emergency, 15 dead) and Argentina (~12,000 hectares) — are 2026 material, reserved for the 2026 retrospective, not counted here. The bank spells the LA answer “Los Angles” — the city is Los Angeles.

2E. Retrospective: the 2025 aviation disasters year 🆕 2025 trend (origin year 2025)

The disasters in Section 2A–Section 2D all came from the Earth itself. This one came from the sky — and the papers ask it the same way, by place, machine and toll. One rule first, because two of the bank’s own rows break it: the number on board is not the death toll, and the minister’s portfolio in the question is not always the minister who died — both traps are flagged below, not hidden. Every date, aircraft and toll below was rechecked against the standard reference (AAIB preliminary report, Al Jazeera/AP/Reuters crash reporting, ISPR statements, Turkish Defence Ministry, Dubai Media Office) — where the bank’s early figure differs from the final count, the final count is taught and the bank figure is flagged, not hidden.

• Cross-link, not a seventh row: the year’s eighth crash in the bank — Libyan Army Chief of General Staff Lieutenant General Mohammad Ali Ahmad al-Haddad, killed in a plane crash near Ankara, Türkiye, in December 2025 (bank December rows 12 + 57) — is tabled in full in GK-04 Section 5D (2025 obituaries year), where its 2 rows are counted, and is not counted again here. A question asking “which country’s plane crash killed the Libyan Army Chief” answers Türkiye; a question asking his name answers al-Haddad.
• Excluded, stated not taught: the bank’s November 2025 row about dozens of Indian pilgrims feared dead in a bus crash in Saudi Arabia is a road accident, not an aviation disaster, and is not in this table. The August 2025 row about flight cancellations as a typhoon made landfall in southern China is a weather disruption, not a crash. PIA’s resumed flights (January: Paris; October: UK), the Pakistan airspace-ban NOTAM rows and the satellite/flight-test rows are aviation news, not disasters, and are not counted here.

2F. Retrospective: the 2025 volcano year 🆕 2025 trend (origin year 2025)

The year’s eruptions sit in Section 3’s volcano family, but the papers ask them the way they ask Section 2A’s quakes — by place, date and one superlative — and two of the bank’s own rows break the obvious reading. Two rules first: a question asking where a volcano is located is not evidence that it erupted that year, and a mud volcano is not a magmatic volcano — it erupts mud, water and gas under pressure, never lava. Every date, plume height and toll below was rechecked against the standard reference (INGV/ESA, CONRED/ECHO, the Smithsonian Global Volcanism Program’s weekly reports, JMA, and the 2025 Uturuncu and Taftan studies) — where the bank’s premise differs from the geology, the geology is taught and the bank premise is flagged, not hidden.

• Excluded, stated not taught: the June 2025 row about NASA’s 2001 Mars Odyssey orbiter photographing a Martian volcano (Olympus Mons) is a Mars row, not an Earth eruption, and is not counted here. The December 2025 row in which protests “erupted” after a youth leader’s death is a metaphor, counted in GK-04 Section 5F (2025 protest movements year), not here; the two January 2026 rows in which a fire or a protest “erupted” are 2026 material, reserved for the 2026 retrospective. The November 2025 row offering “Cyclone Etna” as a distractor for the Sri Lanka cyclone is counted in Section 2B (Cyclone Ditwah), not here — Etna is a volcano, never a cyclone name.

3. Volcanoes: magma finding a way out

• A volcano is a crack in the Earth’s crust through which hot magma and gases force their way out. Magma is the molten rock underground; once it reaches the surface it is called lava. The bowl at the top is the crater.
• Volcanoes are classed by activity: active (erupting now or recently), dormant (quiet but expected to erupt again) and extinct (no eruption in recorded history and not expected). Eruptions happen where magma pressure overcomes the crust — most often at plate boundaries, divergent and convergent alike — and post-volcanic activity (hot springs, geysers, fumaroles) continues after the eruption itself.
• The volcanoes the banks actually name:
  • Mount Etna — the active volcano on Sicily Island, Italy; Europe’s highest volcano.
  • Vesuvius — Italy (near Naples; the volcano that buried Pompeii in AD 79).
  • Stromboli — Sicily (Italy), the Lipari Islands volcano.
  • Mount Kilimanjaro — Tanzania, Africa’s highest peak; a dormant volcanic mountain.
  • Fujiyama (Mount Fuji) — Japan; the banks classify it as a volcano mountain.
  • Mount Aso — Japan; Mount Agu — the banks ask its country; Hibok — the Philippines volcano that exploded in 1951.
  • Koh-i-Sultan — the extinct volcano in Balochistan; it contains Pakistan’s biggest deposits of sulphur (used in making matches), and the banks ask in which province Pakistan’s volcano mountains are located — Balochistan.
  • Pico de Orizaba (Citlaltépetl), Mexico — the highest volcano in North America (5,636 m) — the continent-superlative volcano papers ask alongside Kilimanjaro and Fuji (PMS Screening 2026 GK Final Mock Test, Q35; mock-only bank row, no mark claimed).
• The 2025 eruptions of Etna, Fuego, Klyuchevskoy and Sakurajima — plus the Wandan mud volcano and the Uturuncu/Taftan dormant-system traps — are tabled in full in Section 2F (2025 volcano year), where the bank rows behind them are counted.
• Volcano and mountain are not the same thing: a volcano is a process (eruption building a cone), while most great ranges are fold mountains built by collision. Kilimanjaro and Fuji are the overlap — volcanic mountains that stand alone.

4. Mountains: how ranges are built, and which ones get asked

• A mountain is land that rises prominently above its surroundings, with steep slopes and significant elevation. Mountains are classified by how they formed:
  • Fold mountains: two plates collide and the crust’s rock layers fold and rise — young fold mountains (Himalayas, Andes, Alps, Rockies) and old fold mountains (Appalachians, Urals, Caledonian).
  • Block (fault) mountains: great blocks of crust are uplifted or dropped between faults — the Vosges (Rhine Valley), the Sierra Nevada and the Harz mountains.
  • Volcanic mountains: built by eruption piling lava and ash around a vent — Fuji, Kilimanjaro (see Section 3).
  • Residual (relict) mountains: the hard rock left standing after softer surroundings were worn away by weathering and erosion — mountains of denudation.
• The superlatives the banks repeat:
  • Highest peak in the world: Mount Everest (8,850 m as taught), in the Himalayas, on the Nepal–China border. First successful ascent: 1953 (Edmund Hillary and Tenzing Norgay — the year is the bank fact). First ascent without supplementary oxygen: Reinhold Messner with Peter Habeler, 1978 — the oxygen-free first, distinct from the 1953 first (Final Mock Test, Q100; mock + practice-set rows only, below the 5-paper limb; no mark claimed).
  • Second highest peak in the world: K2 (8,611 m), in the Karakoram Range, Pakistan.
  • Longest mountain range in the world: the Andes, South America.
  • Youngest mountain range in the world: the Himalayas — the lecture’s repeated point, and the banks’ key for Pakistan’s youngest range as well.
  • Oldest mountain range, around 400 million years old: the Caledonian range (the banks’ key).
  • Highest peak of Europe: Mount Elbrus, Russia; the Alps’ highest is Mont Blanc (see GK-02 for the Elbrus/Mont Blanc trap); the Urals separate Asia from Europe; the Rockies are North America’s great fold range.
  • Highest peak of Africa: Kilimanjaro; highest point of South America: Aconcagua (Andes); highest point of North America: Denali (Alaska Range).
• Pakistan’s ranges (taught once here, cross-linked from PS-13):
  • Karakoram (K2, the highest peak of the range), Himalaya (Nanga Parbat, Rakaposhi), Hindu Kush (whose peak on the Afghanistan–Tajikistan–Pakistan border the banks ask), Kirthar and Sulaiman ranges — the banks ask which range separates Balochistan from Sindh, and which divides Punjab from Balochistan at its southern extremity.
  • The Bolan Pass connects Quetta with the Sindh Plain.
  • Cave Hira is in the mountain of Makkah (Jabal al-Nour) — the banks ask it as a mountain-location question.

5. Plateaus: flat land standing high

• A plateau is a large, flat or gently sloping area of land that stands well above the surrounding land, usually with steep sides. It is flat on top like a plain, but high like a mountain — the middle landform of the three.
• Plateau types, by position and formation:
  • Intermontane plateaus: enclosed between mountain ranges — the highest plateaus in the world. The Plateau of Tibet, ringed by the Himalayas, Karakoram, Kunlun and Tien Shan, is the type example.
  • Piedmont plateaus: at the foot of a mountain, locked on the other side by a plain or a sea — plateaus of denudation, worn down from mountain height. The banks’ definition question — plateaus situated between plains and mountains — is answered with this type.
  • Continental plateaus: raised by broad continental uplift, standing abruptly above the surrounding lowland — the Deccan Plateau (India) is the type example, and the banks ask in which continent it lies (Asia).
  • Volcanic plateaus: built by sheets of lava covering the old topography — the Deccan Traps are the lava-plateau form of the same region.
  • Dissected plateaus: old plateaus cut by rivers into a mountainous look, without folding or new volcanism.
• The plateau facts the banks ask most:
  • “Roof of the World” and highest plateau: the banks answer Pamir Plateau (Pamir, Tibet) for both wordings — see Traps for the Tibetan split.
  • Deosai in Gilgit-Baltistan is one of the highest plateaus in the world, at 4,114 metres; the banks also call the Deosai Plains of Baltistan the second highest plateau in the world at about 4,115 metres.
  • Balochistan Plateau: average height 600–900 m; the range that separates it from Afghanistan is the banks’ question, and its irrigation system (karez) and Hamun-i-Mashkel lake sit in the same set.
  • Potwar (Potohar) Plateau: height 300–600 m; famous and rich in oil and gas — the banks’ key, twice over. Its mineral deposits and its rivers are asked in the same set.
  • The Potohar–Punjab and Balochistan plateaus, with the Salt Range between, are Pakistan’s plateau pair; the Deccan is India’s.

6. Plains: flat land standing low, and the Indus Plain in detail

• A plain is a large, flat or gently undulating area at low elevation. Most great plains are depositional plains — built by rivers laying down sediment (alluvium) over ages, which is why they are the most fertile and most farmed lands on Earth. Other plains form by uplift or subsidence (structural plains) or by erosion levelling old highland.
• Where a river meets the sea it drops its load and builds a delta — the banks ask the biggest: the Ganges–Brahmaputra Delta is the world’s largest delta, and the Indus Delta is Pakistan’s.
• The banks’ plain set is dominated by the Indus Plain, and it is worth learning as one system:
  • The Indus Plain is sub-divided into two parts: the Upper Indus Plain and the Lower Indus Plain.
  • The Upper Indus Plain starts at Kalabagh and ends at Mithankot (Mithan Kot).
  • The Lower Indus Plain starts at Mithankot; its major part is the Sindh Plain.
  • The Upper Indus Plain is divided into doabs — the land between two rivers. The banks ask them by their river pairs: Bari Doab between the Ravi and the Beas; Rachna Doab between the Ravi and the Chenab; Chaj Doab between the Chenab and the Jhelum; Sindh Sagar Doab between the Jhelum and the Indus.
  • In the north-east sector of the Upper Indus Plain, meander flood plains are the most extensive; the plain areas of Sindh, Bahawalpur and Rachna Doab are called cover flood plains.
  • The soil that covers the vast area of the Indus Plain — most of Punjab, and the Peshawar, Mardan, Bannu and Kachhi plains — is the banks’ soil question for this chapter.
  • The plains of Pakistan have their own climate questions in the banks: the January and June/July temperature ranges of the plains are asked as a pair.
• The world’s other named plains the papers use as foils: the Great Plains of North America, the Pampas of Argentina, the Nile Delta plain (whose most important crop the banks ask) — all depositional plains, all farmed because rivers made them flat and fertile.

7. Master table: the landforms at a glance

8. Rapid-fire one-liners

• Continental Drift: Wegener; supercontinent Pangaea; split into Laurasia + Gondwana.
• Plates move on convection currents; plates are large rigid sections of the lithosphere; only the outer core is liquid.
• Boundaries: apart = ridge; together = mountains or subduction trench; past = sliding.
• Largest plate: Pacific; fastest: Cocos; India: Indian plate.
• Deepest: Mariana Trench 10,990 m; highest: Everest 8,850 m; Indian Ocean’s deepest: Java Trench.
• Focus = inside; epicentre = surface above the focus.
• P waves faster than S waves; S waves are transverse.
• Seismograph records quake waves; Richter = magnitude, Mercalli = intensity.
• Equal-impact places: seismic lines (bank key).
• Tsunami: Japanese, “harbour waves”; earthquakes cannot be accurately predicted.
• Strongest quake: Chile, 22 May 1960, 9.5; 2004 tsunami epicentre: Sumatra.
• Quetta 1935, 30,000 dead; Makran tsunami 1946; 2005 quake 8 October, 7.6, 73,276 dead, epicentre Garhi Habib Ullah.
• 2025 quake ladder: Tibet 7 Jan, 7.1, Tingri, 10 km, ~80 km north of Everest; Santorini swarm Feb, largest 5.2, emergency 6 Feb; Myanmar 28 Mar, 7.7, Sagaing ★; Kamchatka 30 Jul, 8.8, strongest since 2011; Islamabad felt 19 Aug, 5.2, Hindu Kush, 190 km deep, no casualties; Kunar 31 Aug, 6.0, ~2,200 dead; Cebu 30 Sep, 6.9, Bogo, 79 dead.
• Etna: Sicily, active; Vesuvius: Italy; Stromboli: Sicily (Italy); Fuji: Japan, volcano mountain.
• Koh-i-Sultan: Balochistan, extinct, sulphur (used in matches).
• Everest 8,850 m, first ascent 1953; K2 8,611 m, second highest.
• Longest range: Andes; youngest: Himalayas; oldest (~400m years): Caledonian.
• Elbrus = Europe’s highest (Russia); Urals separate Asia from Europe.
• Roof of the World / highest plateau: Pamir; Deosai 4,114 m, Gilgit-Baltistan.
• Balochistan Plateau 600–900 m; Potwar Plateau 300–600 m, oil and gas.
• Deccan Plateau: India (Asia); plateau between plains and mountains: piedmont.
• Indus Plain: two parts; Upper Kalabagh → Mithankot; Lower from Mithankot, mostly Sindh Plain.
• Bari Ravi–Beas; Rachna Ravi–Chenab; Chaj Chenab–Jhelum; Sindh Sagar Jhelum–Indus.
• Largest delta: Ganges–Brahmaputra; Bolan Pass: Quetta ↔ Sindh Plain.
• Pakistan monsoon 2025 (Section 2B): 1,006 dead (NDMA, late September) — KP 504, Punjab 304; Punjab 8,400 villages, ~5.1 million displaced; Cyclone Ditwah, Sri Lanka, 28 November — 410 dead by 2 December.
• Texas flash flood (Section 2B): Guadalupe River, 4–5 July 2025 — 139+ dead, river +26 ft in 45 minutes.
• 2025 storm ladder (Section 2C): Co-May 30 Jul, double landfall Zhejiang + Shanghai, ~283,000 evacuated; Erin 16 Aug, Category 5, 160 mph, no landfall; Kajiki 25 Aug, Vietnam landfall, 17 dead; Tapah 8 Sep, Taishan Guangdong, ~60,000 evacuated; Gabrielle 22–23 Sep, Category 4, 140 mph, Azores post-tropical 26 Sep; Bualoi 28–29 Sep, Hà Tĩnh, Vietnam 19 dead + Philippines 24; Matmo 5 Oct, Xuwen Guangdong, ~347,000 evacuated; Fina 22 Nov, Darwin Category 3, gusts 205 km/h, no fatalities.
• 2025 wildfire ladder (Section 2D): Los Angeles 7 Jan, Palisades + Eaton, 30 dead, 180,000+ evacuated; Dardanelles 8 + 11 Aug, Çanakkale fires, strait shut twice; Greece 12–13 Aug, 100+ blazes, Patras 7,700 evacuated.
• 2025 aviation ladder (Section 2E): Ahmedabad 12 Jun, AI171, 242 on board, 260 dead total; Dhaka 21 Jul, F-7 into Milestone School, 31 dead; Ghana 6 Aug, Z-9, Defence + Environment ministers, 8 dead; Mohmand 15 Aug, KP relief MI-17, 5 dead; Chilas 1 Sep, Army MI-17, 5 crew; Georgia 11 Nov, Turkish C-130, 20 dead; Dubai 21 Nov, Tejas display crash, pilot killed; Ankara Dec, Libyan chief al-Haddad (see GK-04 Section 5D).
• 2025 volcano ladder (Section 2F): Etna 2 Jun, Sicily, SE Crater pyroclastic flow, biggest since 2014; Fuego 6 Jun, Guatemala, 13 hours, 818 displaced; Wandan mud volcano 26 Jun, Taiwan, 10 hours, flames lit by locals, no lava; Klyuchevskoy 30 Jul, Kamchatka, 4,750 m, lava down WSW flank after the M8.8 quake; Sakurajima 16 Nov, Japan, Minamidake, plume 4,400 m, level 3; traps — Uturuncu Bolivia, no eruption in ~250,000 years, “zombie volcano”; Taftan Iran, Sistan-Baluchestan, ~3,940 m, 9 cm uplift Jul 2023–May 2024, no eruption.

9. Most-asked facts (from our verified past-paper banks)

• Everest / K2 / Himalayas / Andes — the mountain set is the single biggest block in this topic (140 questions): highest, second highest, longest, youngest.
• Richter scale = magnitude and seismograph = recording instrument — the earthquake pair the banks repeat in several wordings.
• Tsunami = Japanese “harbour waves” — asked as a word-origin question, twice over in the banks.
• Pakistan’s quakes as a set: Quetta 1935, Makran tsunami 1946, 2005 quake 7.6 / 8 October / Garhi Habib Ullah — the banks ask all three, and the 2005 death toll 73,276 is keyed to the digit.
• 2025 earthquake year (Section 2A): the CA bank already asks six of the seven 2025 quakes (Tibet, Santorini swarm, Kamchatka, Islamabad 5.2, Kunar, Cebu); Myanmar 28 March 2025 is the ★ standard-reference addition. The most-asked angles are magnitude + place + depth, and the toll traps in Section 10.
• 2025 flood year (Section 2B): the CA bank asks Pakistan’s monsoon in 12 questions (KP flash toll, Buner relief, the 15 August India advisory, Punjab villages/displaced/hectares, crop acres and the rice–sugarcane–cotton split, the September toll snapshot, Ditwah); Texas 4–5 July 2025 is the ★ standard-reference addition. The most-asked angles are place + toll + scale, and the unit traps in Section 10.
• 2025 storm year (Section 2C): the CA bank asks all eight 2025 storms by name in 8 questions (August ×4, September ×2, October ×1, November ×1); Ditwah’s row is counted in Section 2B, not here. The most-asked angles are name + landfall place + category, and the basin-name and Oscar traps in Section 10.
• 2025 wildfire year (Section 2D): the CA bank asks all three 2025 fires in 3 questions (January ×1, August ×2); the California vulnerability row is a standing row, not a 2025 event, and is not counted in the 3. The most-asked angles are place + month + the emergency/closure it caused, and the Maui and 2026 traps in Section 10.
• 2025 aviation disasters year (Section 2E): the CA bank asks six of the year’s crashes in 6 questions (June ×1, July ×1, August ×1, September ×1, November ×2); the KP relief-helicopter crash (15 August) is a ★ standard-reference row with no bank question, and the 2 December al-Haddad rows are counted in GK-04 Section 5D, not here. The most-asked angles are place + aircraft + toll, and the 242 and Foreign-Minister traps in Section 10.
• 2025 volcano year (Section 2F): the CA bank asks five of the year’s eruptions in 5 questions (June ×2, July ×1, August ×1, November ×1) plus 2 trap/standing rows (Uturuncu November, Taftan October) — 7 cited rows in all; the Mars Odyssey row, the metaphorical “erupted” rows and the Cyclone Etna distractor are excluded and stated in Section 2F. The most-asked angles are place + date + superlative (largest active, tallest plume, longest quiet), and the location-is-not-eruption and mud-is-not-lava traps in Section 10.
• Pamir as Roof of the World / highest plateau, Potwar = oil and gas, Balochistan 600–900 m / Potwar 300–600 m — the plateau height-and-fame pairs.
• Indus Plain divisions and doab river-pairs — the plain set is almost entirely this one system: Kalabagh, Mithankot, and the four doabs.
• Etna (Sicily), Vesuvius (Italy), Koh-i-Sultan (Balochistan, sulphur) — the volcano set is a location set; learn the place, not just the name.
• Plates by direct question-text: only 3 — the mechanism (Wegener, convection, three boundaries, Pacific largest, Cocos fastest) is taught here from the lecture because the banks test it through earthquake, volcano and mountain questions rather than by naming plates.

10. Traps & confusions

• Focus vs epicentre: focus is inside the Earth where the slip happens; epicentre is on the surface above it. Papers swap them deliberately — and the 2005 question’s epicentre (Garhi Habib Ullah) is not the worst-hit city (Muzaffarabad/Balakot are the options designed to catch you).
• Richter vs Mercalli: Richter gives one magnitude for the quake; Mercalli gives a different intensity at every place. “Measures the strength or magnitude” = Richter.
• P vs S: P is faster and arrives first; S is transverse and slower. “Transverse movements” in a question = S waves.
• Tsunami ≠ tidal wave: a tsunami is caused by an earthquake (or eruption/landslide) displacing water, not by the tides — and its name is Japanese, not Greek or Latin.
• Pamir vs Tibetan Plateau: the banks split on this pair — several papers key Pamir for both “highest plateau” and “Roof of the World”, while other papers key the Tibetan Plateau as the Roof of the World. Rule for the paper in front of you: if Pamir is among the options for “highest plateau”, pick Pamir; the Tibetan Plateau is the vast intermontane plateau behind it (and the largest by area). Do not merge the two names into one answer.
• Himalayas youngest, Caledonian oldest: young fold mountains are high, steep and still rising; old fold mountains are worn low. The Andes are the longest, not the youngest — length and age are different superlatives.
• Elbrus vs Mont Blanc: Elbrus (Russia) is Europe’s highest peak; Mont Blanc is the highest of the Alps. The question’s wording — Europe or Alps — picks the answer (see GK-02).
• K2 vs Everest: K2 is the second highest peak in the world and Pakistan’s highest; Everest is the world’s highest. “Highest peak of the Karakoram” = K2, not Everest.
• Upper vs Lower Indus Plain: both turn on Mithankot — the Upper ends there, the Lower starts there. Kalabagh is the Upper’s start, not its end.
• Doab pairs: Bari and Rachna both touch the Ravi — Bari is Ravi–Beas, Rachna is Ravi–Chenab. Chaj is Chenab–Jhelum, Sindh Sagar is Jhelum–Indus. Learn them as a chain: Indus–Jhelum–Chenab–Ravi–Beas.
• Volcano location traps: Etna and Stromboli are both Sicily/Italy — the question usually asks which volcano is on Sicily (Etna, the active one) versus where Vesuvius is (Italy, near Naples). Koh-i-Sultan is Balochistan, not Sindh or Punjab, despite the sulphur trade.
• Plates move centimetres, not kilometres: “how quickly do tectonic plates move” is answered in centimetres per year — a continent’s drift in a lifetime is roughly the growth of a fingernail.
• 2025 toll traps: Kunar’s bank figure “more than 600” is the first-day count — the final toll is ~2,200. Cebu’s bank figure “over 1,200 injuries” does not match the final NDRRMC count (559–599); the final deaths figure is 79. Tibet is keyed 7.1 (USGS) though China’s CENC records 6.8 — if 7.1 is among the options, it is the paper’s answer. Myanmar’s toll is a range, not a digit: 3,600+ on the military government’s count, 5,400+ on later tallies — a question demanding one exact Myanmar figure is quoting one source’s count.
• Swarm ≠ mainshock: Santorini (February 2025) had no single big quake — thousands of small ones, largest 5.2 — yet still drew a state of emergency. A question asking for “the Santorini earthquake’s magnitude” with 5.2 as an option is asking for the swarm’s largest tremor, not a mainshock magnitude.
• Mountain vs plateau vs plain: mountain = steep and high; plateau = flat and high; plain = flat and low. If a question gives “flat on top” plus “well above surroundings”, it is a plateau, not a plain.
• 2025 flood unit traps: 2.2 million acres of crops (rice worst hit) and 2.2 million hectares of cultivated land are different measures with the same number — do not swap them. (2.2 million acres ≈ 890,000 hectares, close to the bank’s separate 849,000-hectare crops-destroyed row.) And 900 dead is the bank’s September snapshot — the season toll is 1,006 (NDMA, late September).
• Ditwah dating: landfall is taught as 28 November (local date); wire timestamps in UTC fall on 27 November. A question giving either date is asking about the same cyclone.
• Storm names by basin: hurricane = Atlantic/Caribbean, typhoon = north-west Pacific, cyclone = Indian Ocean/Australia — one phenomenon, three names. A question giving “Guangdong” is a typhoon question even if an option says hurricane; a question giving “Category 5” is an Atlantic-scale question.
• Oscar is not a 2025 storm: the bank’s October 2025 “Hurricane Oscar, eastern Cuba” row is the October 2024 Hurricane Oscar, misfiled — do not learn it as a 2025 item. And an “Oscar” row about Best Film is the film Anora, not weather at all.
• Bualoi tolls move: early wires gave 8–11 dead in Vietnam; the taught toll is 19 in Vietnam + 24 in the Philippines. A question quoting 8 or 11 is quoting day one, not the toll.
• LA fire dates and tolls move: the state of emergency was declared 7 January 2025 (the bank’s question dates it 8 January, the reporting date); the bank’s “5 dead” is the 8 January count — the taught toll is 30 (Palisades 12 + Eaton 18). And the “100+ dead in a US state” wildfire row is Maui, Hawaii, August 2023, not 2025 — a question placing it in 2025 is quoting a misfiled bank row.
• 242 is on board, not dead: Air India 171 carried 242 people and 241 of them died, plus 19 on the ground = 260 total. A question asking “how many died” with 242 as an option is quoting the bank’s early figure — the taught death toll is 260, and 242 is the number on board.
• Ghana’s dead minister was not the Foreign Minister: the bank’s August 2025 question calls him Foreign Minister, but the two ministers killed on 6 August 2025 were Defence (Omane Boamah) and Environment (Murtala Muhammed). A question naming a Ghanaian Foreign Minister killed in 2025 is quoting a bank label error.
• Two Pakistan helicopter losses, eighteen days apart — do not merge them: 15 August 2025 was the KP government’s MI-17 on a flood-relief flight to Bajaur, crashed at Mohmand in bad weather; 1 September 2025 was the Army’s MI-17 on a training flight, crashed at Chilas after a technical fault. Both killed 5 — same toll, different operator, mission and place.
• A bus crash is not an aviation disaster: the bank’s November 2025 row about Indian pilgrims killed in a bus crash in Saudi Arabia sits in the same month file as the Tejas and C-130 rows but is a road accident — it is excluded from Section 2E, and a question grouping it with the year’s air crashes is miscategorised.
• A location question is not an eruption question: the bank’s November 2025 Uturuncu row keys Bolivia — the right place for a volcano that has not erupted in ~250,000 years. If a question asks “where did it erupt recently” and the volcano is Uturuncu (or Taftan), the question’s premise is the trap, not the answer: answer the place, and do not learn a 2025 eruption that never happened.
• A mud volcano is not a magmatic volcano: Wandan’s 26 June 2025 “crown of flames” was lit by local people burning off methane — mud volcanoes erupt mud, water and gas under pressure, never lava. A question pairing “mud volcano” with “lava flow” is mixing two different phenomena.
• Klyuchevskoy’s quake did not start its eruption: the summit eruption was already under way (lava filling the crater since April 2025) when the M8.8 quake struck 400 km away on 29 July; the quake escalated the eruption into a WSW-flank lava flow on 30 July. “Erupted after the earthquake” is true of the flow; “erupted because of the earthquake” overstates the report.
• Etna is not a cyclone name: the bank’s November 2025 row offering “Cyclone Etna” as a distractor for the Sri Lanka cyclone is counted in Section 2B as Cyclone Ditwah — Etna is a Sicilian volcano, and no cyclone has carried its name.

11. Memory tricks (from the lectures, plus clean professional aids)

• The boiling pot: mantle convection is a pot of water on a stove — hot rises, cool sinks, repeat. If you can picture the pot, you can explain why the plates move at all.
• A–T–P (Apart, Together, Past): the three boundary movements in one line — Apart makes ridges, Together makes mountains or trenches, Past grinds sideways.
• P before S, fast before slow: P waves are Primary and Prompt; S waves are Secondary and Slower. Alphabetical order is arrival order.
• Focus is deep, epicentre is on top: Focus = Far below; Epicentre = Exposed on the surface.
• Pamir is the Roof: the highest plateau wears the roof — Pamir = the Peak of the plateaus.
• The doab chain: rivers west to east — Indus, Jhelum, Chenab, Ravi, Beas — and the doabs sit between neighbours: Sindh Sagar, Chaj, Rachna, Bari. Walk the chain and no doab pair swaps.
• Mithankot the hinge: the Upper Indus Plain ends and the Lower begins at the same town — Mithankot is the hinge the whole Indus Plain swings on.
• 1935–1946–2005: Pakistan’s disaster triple in date order — Quetta quake, Makran tsunami, Kashmir quake. Three dates, one story: Pakistan sits on moving plates.
• The 2025 quake ladder: Tibet (Jan) – Santorini swarm (Feb) – Myanmar (Mar) – Kamchatka (Jul) – Kunar (Aug) – Cebu (Sep). Two clusters, Jan–Mar and Jul–Sep, with the year’s deadliest (Myanmar) and strongest (Kamchatka) one in each.
• The 2025 flood ladder: Texas (Jul) – KP flash (mid-Aug) – advisory 15 Aug – Punjab rivers (Aug–Sep) – 1,006 (late Sep) – Ditwah (28 Nov). Flash kills, rivers cost.
• The 2025 storm ladder: Co-May (Jul, double landfall) – Erin (Aug, Cat 5, no landfall) – Kajiki (Aug, Vietnam) – Tapah (Sep, Guangdong) – Gabrielle (Sep, Cat 4, Azores) – Bualoi (Sep, Vietnam + Philippines) – Matmo (Oct, Guangdong) – Fina (Nov, Darwin). Strong offshore, deadly on land.
• The 2025 fire ladder: Los Angeles (Jan, Palisades + Eaton, 30 dead) – Çanakkale/Dardanelles (8 + 11 Aug, strait shut twice) – Greece (12–13 Aug, 100+ blazes, Patras 7,700 evacuated). Fuel + heat + wind, in that order.
• The 2025 aviation ladder: Ahmedabad (Jun, 787, 260) – Dhaka school (Jul, F-7, 31) – Ghana ministers (Aug, Z-9, 8) – Mohmand relief (Aug, MI-17, 5) – Chilas Army (Sep, MI-17, 5) – Georgia cargo (Nov, C-130, 20) – Dubai display (Nov, Tejas, pilot) – Ankara chief (Dec, al-Haddad, see Section 5D). Two MI-17s, two Novembers, one rule: place + machine + toll.
• The 2025 volcano ladder: Etna (Jun, Sicily, pyroclastic flow) – Fuego (Jun, Guatemala, 818 displaced) – Wandan mud (Jun, Taiwan, lit flames, no lava) – Klyuchevskoy (Jul, Kamchatka, quake-week lava flow) – Sakurajima (Nov, Japan, 4,400 m plume) – then the two traps, Uturuncu (Bolivia, 250,000 years quiet) and Taftan (Iran, 9 cm uplift, no eruption). Three Junes, one July, one November: place + date + superlative.

12. Visuals (site build specs)

• DIAGRAM — The three plate boundaries: three-panel cross-section — plates moving apart over a rising ridge; plates colliding into a fold range and a subduction trench; plates sliding past along a fault — with the Himalayas and the Mariana Trench labelled as the collision examples — placed in Section 1.
• DIAGRAM — Earthquake anatomy: cross-section showing the fault slip at the focus, the epicentre on the surface above it, and P waves (fast, compression) versus S waves (slower, transverse) radiating outward, with the seismograph and the Richter/Mercalli distinction annotated — placed in Section 2.
• MAP — The Ring of Fire: Pacific-rim map marking the subduction belt, with Chile (1960), Sumatra (2004), Japan (Fuji, Aso) and the Makran coast marked — placed in Section 2.
• INFOGRAPHIC — Mountain, plateau, plain: three side-by-side profiles at the same scale — a steep fold range, a flat-topped high plateau, a flat low plain — with the Pamir, the Potwar and the Indus Plain as the labelled examples — placed across Sections 4–6.
• MAP — The Indus Plain and its doabs: Indus system map from Kalabagh through Mithankot to the delta, with the four doabs (Sindh Sagar, Chaj, Rachna, Bari) shaded between their river pairs — placed in Section 6.
• MAP — The 2025 earthquake year: world map with the seven Section 2A epicentres marked and labelled by date + magnitude (Tibet 7.1, Santorini swarm 5.2, Myanmar 7.7, Kamchatka 8.8, Hindu Kush 5.2, Kunar 6.0, Cebu 6.9), shallow quakes in one colour and the deep Hindu Kush quake in another — placed in Section 2A.
• MAP — The 2025 flood year: world map marking the four Section 2B sites (Texas Guadalupe, KP/Buner, Punjab river belt, Sri Lanka east coast) with flash-flood vs river-flood symbols and the toll/scale figure at each — placed in Section 2B.
• MAP — The 2025 storm year: world map marking the eight Section 2C landfalls/tracks (Co-May Zhejiang + Shanghai, Erin north of the Leeward Islands, Kajiki Hainan skirt + Vietnam, Tapah Guangdong, Gabrielle Bermuda + Azores, Bualoi Vietnam, Matmo Guangdong + Guangxi, Fina Darwin) with basin colour-coding (hurricane / typhoon / cyclone) and the peak category at each — placed in Section 2C.
• MAP — The 2025 wildfire year: world map marking the three Section 2D sites (Los Angeles County, Patras/Chios/Zakynthos, Çanakkale + the Dardanelles Strait) with the emergency/closure label at each (state of emergency 7 Jan; strait shut 8 + 11 Aug; 100+ blazes 12–13 Aug) — placed in Section 2D.
• MAP — The 2025 aviation disasters year: world map marking the seven Section 2E crash sites (Ahmedabad, Dhaka, Ashanti Region, Mohmand, Chilas, Sighnaghi, Dubai) with the aircraft type and toll at each, military crashes in one colour and the civil Air India crash in another, and the Ankara cross-link noted off-map — placed in Section 2E.
• MAP — The 2025 volcano year: world map marking the five Section 2F eruption sites (Etna Sicily, Fuego Guatemala, Wandan Taiwan, Klyuchevskoy Kamchatka, Sakurajima Japan) with the date and the exam superlative at each, magmatic eruptions in one colour and the Wandan mud volcano in another, and the two trap sites (Uturuncu Bolivia, Taftan Iran) marked as dormant-but-restless, not erupting — placed in Section 2F.

13. Practice this topic

• Practice set: 234 verified past-paper questions in the PPSC + FPSC banks are tagged to this topic’s sub-topics (plates 3; earthquakes 26; volcanoes 19; mountains 140; plateaus 24; plains 22) — the site serves them as this chapter’s practice set, with the IBES World Geography capsule questions behind them. The mountains bucket overlaps GK Topic 2’s features set by design (the same mountain questions serve both chapters, tag-filtered at serve time); the plates bucket is small by direct question-text match because plate ideas are mostly tested through earthquake, volcano and mountain questions. The practice set filters by tags at serve time.
• Companion practice (Section 2A): the 8-question CA-bank 2025-earthquake set (Jan–Sep 2025 month files: Tibet ×3, Greece, Russia, Afghanistan ×2, Philippines) sits behind the retrospective table; the Myanmar row is a standard-reference row, not a bank question, and is not counted. Chapter bankCount 234 unchanged.
• Companion practice (Section 2B): the 12-question CA-bank 2025-flood set (Aug 2025 ×7, Sep 2025 ×4, Nov 2025 ×1) sits behind the retrospective table; the Texas row is a standard-reference row, not a bank question, and is not counted; 2 adjacent rows (WHO condolence over the northern floods, October 2025 flood-linked inflation) are stated in Section 2B, not counted. Chapter bankCount 234 unchanged.
• Companion practice (Section 2C): the 8-question CA-bank 2025-storm set (Aug 2025 ×4, Sep 2025 ×2, Oct 2025 ×1, Nov 2025 ×1) sits behind the retrospective table; Ditwah’s November row is counted in Section 2B, not here; the October 2025 Hurricane Oscar row is excluded as a 2024 misfile, and the August 2025 Oscar Best Film row is not a storm row. Chapter bankCount 234 unchanged.
• Companion practice (Section 2D): the 3-question CA-bank 2025-wildfire set (Jan 2025 ×1, Aug 2025 ×2) sits behind the retrospective table; the California vulnerability row is a standing row, not a 2025 event, and is not counted in the 3; the July 2025 Hawaii row is excluded as a 2023 Maui misfile, and the January 2026 Chile + Argentina rows are reserved for the 2026 retrospective, not counted here. Chapter bankCount 234 unchanged.
• Companion practice (Section 2E): the 6-question CA-bank 2025-aviation set (June 2025 ×1, July 2025 ×1, August 2025 ×1, September 2025 ×1, November 2025 ×2) sits behind the retrospective table; the KP relief-helicopter row (15 August) is a standard-reference row, not a bank question, and is not counted; the 2 December al-Haddad rows are counted in GK-04 Section 5D’s set, not here; the November 2025 bus-crash row is excluded as a road accident, not an aviation disaster. Chapter bankCount 234 unchanged.
• Companion practice (Section 2F): the 7-question CA-bank 2025-volcano set (June 2025 ×2, July 2025 ×1, August 2025 ×1, October 2025 ×1, November 2025 ×2) sits behind the retrospective table — 5 eruption rows + the Uturuncu trap row + the Taftan standing row; the June 2025 Mars Odyssey row, the December 2025 metaphorical “erupted” row, the two January 2026 “erupted” rows and the November 2025 Cyclone Etna distractor are excluded and stated in Section 2F, not counted. Chapter bankCount 234 unchanged.
• Book mode: ← Previous: The Earth · Next: Atmosphere & Climate →

Goldmine Notes · Geography · Chapter 2 · Sources: TBT Geography Lecture 4 (plate tectonics & world map), IBES Capsule World Geography, verified PPSC/FPSC past-paper banks. Standard answers only. Retrospective Section 2A (2025 earthquake year): CA bank Jan–Sep 2025 month files + USGS / PHIVOLCS–NDRRMC / WHO standard references for magnitudes and final tolls. Retrospective Section 2C (2025 storm year): CA bank Aug–Nov 2025 month files + NHC tropical cyclone reports, China’s National Meteorological Center, Vietnam’s disaster agency and Australia’s Bureau of Meteorology for landfalls, categories and final tolls. Retrospective Section 2D (2025 wildfire year): CA bank Jan + Jul + Aug 2025 month files + Cal Fire / Britannica final tolls, Greece’s Fire Department reporting and Türkiye’s Transport Ministry (via AFP/BBC) for dates, evacuations and strait closures; WMO 14 January 2026 confirmation for the warmest-year context. Retrospective Section 2E (2025 aviation disasters year): CA bank June + July + August + September + November 2025 month files (6 rows cited; 2 December al-Haddad rows counted in GK-04 Section 5D) + AAIB preliminary report and standard crash reporting (Air India 241 on board + 19 ground = 260 total; Dhaka F-7 toll 31; Ghana Z-9 Defence + Environment ministers, 8 aboard; ISPR Chilas MI-17 statement; Turkish Defence Ministry C-130 statement; Dubai Media Office / IAF Tejas statements; KP Chief Minister’s office for the 15 August Mohmand relief-flight loss). Retrospective Section 2F (2025 volcano year): CA bank June + July + August + October + November 2025 month files (7 rows cited: 5 eruptions + Uturuncu trap + Taftan standing row; script hidden_files/goldmine-notes-count-geo02-2025volcanoes.py over 17 CA files / 2,012 questions — 12 pattern rows, 5 excluded and stated) + INGV/ESA for Etna 2 June 2025, CONRED/ECHO for Fuego 6 June 2025 (818 displaced), Live Science / Tingay for Wandan 26 June 2025 (10 hours, 4 vents, flames lit by locals), Smithsonian GVP/KVERT for Klyuchevskoy 30 July 2025 (eruption predated the M8.8 quake; WSW-flank flow after it), JMA/GVP for Sakurajima 16 November 2025 (4.4 km plume, level 3), PNAS April 2025 for Uturuncu (no eruption in ~250,000 years; ~1 cm/yr sombrero uplift; low risk) and Geophysical Research Letters November 2025 for Taftan (9 cm uplift July 2023–May 2024; no confirmed Holocene eruption).