Imagine a massive wall of water slamming into the West Coast, giving residents just minutes to escape. This nightmare ...

Confusion surrounding last Wednesday’s midday tsunami alert opened opportunities to better coordinate warnings among federal ...

The cost of repair or replacement has been estimated as high as $20 million, and cell phone alerts, while far from a perfect warning system, is the primary technology the city relies on.

An evacuation alert was issued for parts of far southern Chile after a large earthquake struck the sea south of the country Friday morning. The U.S. Geological Survey said a tremor with a ...

Coinciding with an Alaska earthquake that briefly had the coast on the edge of tsunami worries, and the day a wildfire was ...

A major earthquake with a magnitude of 7.4 struck in the South Atlantic Ocean off Chile and Argentina on Friday, prompting thousands in Chile to evacuate parts of the sparsely populated coast for ...

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s heavily populated coastal communities.

Hawaii’s unique position in the center of the Pacific Ocean makes it particularly vulnerable to tsunamis from both distant ...

SANTIAGO, Chile (AP) — A major earthquake with a magnitude of 7.4 struck in the South Atlantic Ocean off Chile and Argentina on Friday, prompting thousands in Chile to evacuate parts of the ...

A 7.4 magnitude earthquake strikes off the southern coasts of Chile and Argentina, the United States Geological Survey says. (United States Geological Survey) ...