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Intensive Mains Program for IAS 2026
31st July 2025 (13 Topics)

Massive 8.8 Earthquake Jolts Russia

Context:

A powerful 8.8 magnitude earthquake struck Russia’s Kamchatka Peninsula, triggering tsunami waves across the Pacific region.

Kamchatka Peninsula

Location & Geography

  • Located in Far Eastern Russia, between the Sea of Okhotsk (west) and the Pacific Ocean/Bering Sea (east).           
  • Forms part of Kamchatka Krai administrative region.
  • Lies on the Pacific Ring of Fire – a tectonically active zone.
  • Dimensions: ~1,200 km (N-S length), ~480 km (width).
  • Area: ~370,000 sq. km (about the size of New Zealand).

Volcanic and Seismic Activity

  • One of the world’s densest geothermal hotspots.
  • Hosts >150 volcanoes, of which 29 are active.
  • Example: KlyuchevskayaSopka – highest volcano (4,750 m), and most active.
  • Frequently experiences earthquakes and volcanic eruptions due to subduction of the Pacific Plate beneath the Eurasian Plate.

Climate

  • Harsh and subarctic.
    • Winters: Long, cold, and snowy.
    • Summers: Wet and cool.
  • Permafrost and frequent blizzards are common
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