Tsunami Speed Calculator

Calculates the speed of Tsunami waves triggered by underwater earthquake and etc.

Tsunami Speed
depth of water
m ft
[acceleration of gravity m/sec2]
 
Tsunami speed
 
m/sec
=
 
km/h
 
=
 
fps
=
 
mph
Due to the 1960 Chile earthquake, the tsunami arrived in Japan about 22 hours after.
The average speed of the tsunami was about 750km across the Pacific Ocean.

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