Earthquakes of similar magnitude can cause tsunamis of greatly varying sizes. This commonly observed, but not well-understood phenomenon has hindered reliable warnings of local tsunamis. Research led ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

Researchers analyzing the July 29, 2025, magnitude 8.8 Kamchatka earthquake found that limited seafloor movement kept the resulting tsunami smaller than early forecasts. Using satellite radar, GPS ...

The Tracy Arm Fjord in southeastern Alaska (U.S. Geological Survey) A colossal tsunami, measuring 1,578 feet (481 metres) and the second-highest ever recorded and about the size of New York’s Empire ...

Around the world, numerous coastal boulders with weight of few thousand tons are suspected to have been transported by very large tsunamis, although their origins remain enigmatic. For clarifying ...