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Tsunami Propagation Speed

TOP/Environment/Earthquake
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This tool calculates the propagation speed of tsunamis generated by undersea earthquakes and other events.
Water depth
m
[ Gravitational accelerationm/s2]
Propagation Speed m/sec
= km/h

Calculation Formula

In the 1960 Chilean earthquake, a tsunami approximately 6 meters high struck the Tohoku Sanriku Coast 22.5 hours later. At that time, the average speed of propagation across the Pacific Ocean was approximately 750 km/h.

\(\normalsize Tsunami\ speed\\ (1)\hspace{10px} v=\sqrt{g*h}\\ \)

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