Tsunami earthquakes are a result of the severe earthquake since the 8.0 on the Richter scale. The earthquake epicenter was under the ocean floor. Or near the coast In geology, we know that. The crust is composed of plate tectonics (tectonic plates) several sheets connected. When the plates move toward each other. Or separated to cause more earthquakes. The intensity of the vibrations of the earth's crust is very little different each time. The area is along the boundaries of tectonic plates, earthquakes often occur frequently. especially In the edges of tectonic plates, one plate slid beneath the edge of a tectonic plate subduction another plan. It causes severe earthquake And when the area is under sea level. It can cause a tsunami up.
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