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Geography Ch 1 Lithosphere – I Endogenetic Processes — Social Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9Social ScienceGeography Ch 1 Lithosphere – I Endogenetic Processes2 Marks
Question
What is an Earthquake and how it occurs?
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Answer

  1. Earthquakes generate seismic waves.
  2. The nature, force and speed of these seismic waves depend on the nature of medium through which it
  3. The Point of origin of an earthquake is called focus
  4. Epicentre is a point on the Earth surface that lies directly above the focus
  5. The impact of the earthquacke is felt most at the epicentre.

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