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How do we know that mega thrust earthquakes have occurred?

by Guest23127622  |  1 year, 2 month(s) ago

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I want to know, How do we know that mega thrust earthquakes have occurred? Any ideas?

 Tags: earthquakes, Mega, occurred, thrust

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  1. Guest23127623
    The sudden submergence of the outer coast when a mega thrust earthquake occurs kills vegetation which can be dated. Megathrust earthquakes also cause underwater landslides off the continental shelf into the deep ocean. The landslide deposits can be recognized in core samples taken from the ocean floor.

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