Why some underwater earthquakes cause tsunamis—and others, just little ripples

PHYSorg
Aug 1, 2025, 9:51 am209 ptsTop
After a massive earthquake off the coast of Kamchatka, a peninsula in the far east of Russia, on July 30, 2025, the world watched as the resultant tsunami spread from the epicenter and across the Pacific Ocean at the speed of a jet plane.

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