megathrust earthquake (Q727990)
earthquakes that occur at subduction zones at destructive convergent plate boundaries, where one tectonic plate is forced underneath another. These earthquakes are the planet's most powerful, with moment magnitudes (Mw) that can exceed 9.0
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description earthquakes that occur at subduction zones at destructive convergent plate boundaries, where one tectonic plate is forced underneath another. These earthquakes are the planet's most powerful, with moment magnitudes (Mw) that can exceed 9.0

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