Tsunamis (D) usually generated by seismic activity under the ocean floor, cause flooding in coastal areas and can affect areas thousands of kilometers from the earthquake center.
What do undersea earthquakes cause?
- When a great earthquake ruptures, the faulting can cause vertical slip that is large enough to disturb the overlying ocean, thus generating a tsunami that will travel outwards in all directions.
- A tsunami is a sequence of massive waves potentially causes by an underwater disturbance, most commonly earthquakes that occur underneath or near the ocean. A tsunami can also be caused by volcanic eruptions, undersea landslides, and coastal rock falls, as well as a massive asteroid slamming the ocean.
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