00:00A magnitude 808 earthquake just rocked Russia.
00:03But where was the massive tsunami everyone feared?
00:06This quake hit off the Kamchatka Peninsula,
00:09one of Earth's most powerful seismic zones,
00:12nicknamed an earthquake factory.
00:14It's tied for the sixth-strongest quake ever recorded
00:17and triggered immediate tsunami alerts across the Pacific.
00:21But unlike the devastating waves of Japan in 2011
00:24or the Indian Ocean in 2004,
00:26this time the tsunami was much smaller.
00:30Why? It all comes down to depth and movement.
00:33The quake happened 21 kilometers underground.
00:36Deep, but not deep enough to push the seafloor dramatically upward.
00:40That vertical lift is what creates giant tsunamis.
00:43In this case, the fault didn't fully rupture to the surface.
00:46So while the quake was powerful, the water displacement was limited.
00:50Hawaiian California saw waves under 1.5 meters,
00:53and most warnings were lifted within hours.
00:55It's a reminder that even megaquakes don't always unleash monster waves.
01:00But in places like Kamchatka, the next big one could.
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