Why does one earthquake set off several aftershocks?



  1. 0 Votes

    The change in stress that is caused in the main fault where the earthquake occurred is great enough to trigger aftershocks on other, nearby faults. Check out the article for more information. 

  2. 0 Votes

    Earthquakes come in clusters as the plates shift into new positions. The largest quake is considered the actual earthquake, those that come before it are foreshocks and those that come after are aftershocks.

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