← 2.4 Earthquakes

Locating an epicentre and reading the scales

Geography · Grade 10 · about 40 minutes

Triangulation from three seismograph stations, and how Richter, moment magnitude and Mercalli intensity answer different questions.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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