What occurs when an earthquake causes a sudden vertical change in the sea floor? a. isostasy b. soil creep c. sheet erosion d. a tsunami apex d. a tsunami

d. Tsunami

A tsunami is a natural disaster in which high speed waves generate in the ocean due to the gravitational force exerted by the moon on the water of the ocean resulting in flood. But these may also occur because of the underwater earthquakes, landslides and volcanic eruptions. All these events causes changes in the sea floor.

Therefore, tsunami will occur when an earthquake causes a sudden vertical change in the sea floor.  

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