Related topics: earthquake

Can one earthquake cause a cascade of more?

Europe isn't a region well known for intense seismic activity, but large earthquakes do happen. In 1953, a devastating 6.8 magnitude quake struck the Greek Ionian Islands. Though these large events tend to be the exception ...

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An aftershock is a smaller earthquake that occurs after a previous large earthquake, in the same area of the main shock. If an aftershock is larger than the main shock, the aftershock is redesignated as the main shock and the original main shock is redesignated as a foreshock. Aftershocks are formed as the crust around the displaced fault plane adjusts to the effects of the main shock.

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