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Component 3: Contemporary Themes in Geography
Quick questions on Tectonic hazards and plate boundaries - Eduqas A-Level Geography
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is explaining the global distribution?Show answer
Plate tectonics explains why tectonic hazards are not random but cluster in narrow belts along plate boundaries. The Pacific Ring of Fire (a ring of subduction zones around the Pacific) concentrates most of the world's earthquakes and volcanoes; the mid-ocean ridges mark constructive boundaries; and the Alpine-Himalayan belt marks collision and convergence from the Mediterranean to the Himalayas. Plate interiors are relatively stable, with few hazards, and the main exceptions, hotspot volcanoes like Hawaii, prove the rule because they form over plumes rather than boundaries. This is why a distribution map of earthquakes and volcanoes traces the plate boundaries.
What is q1?Show answer
Name the four main types of plate boundary. [2 marks]
What is q2?Show answer
Explain why explosive volcanoes occur at destructive plate boundaries. [3 marks]
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