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The Cascadia megathrust has a protracted, notorious historical past and a fame for producing really catastrophic earthquakes; 19 have surpassed the terrifying magnitude 9 within the final 10,000 years. The latest quake within the vary, in 1700, led to pronounced land subsidence and let unfastened tsunamis that reached Japan.
The most recent survey additionally found many minor faults close to the coast that might generate tsunamis, like the foremost fault parts. Within the occasion of a megathrust earthquake, one moreover resulting in slippage at these smaller faults, the ensuing waves may crash into the shore in mere minutes. There can be little time for evacuation.
Fortunately, the newfound understanding of the Cascadia megathrust embodies a significant step ahead in earthquake science. By anticipating and predicting when the subsequent main quake within the area will strike, we are able to higher put together for the inevitable.
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