A lightly populated stretch of Alaska’s southern coast was under a tsunami warning Wednesday after a strong earthquake was felt throughout the region, and officials in the Pacific Northwest ...

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain watchful as seismic activity continues.

The big one about “The Big One” hit 10 years ago. On July 13, 2015, The New Yorker shook us up with “The Really Big One,” ...

Earthquakes remain one of nature’s most terrifying forces. While we still can’t predict them, science has advanced in identifying where they’re most likely to occur. Our planet’s crust is made of ...

Carl Tape's midsummer trek through ghost towns and newspaper clippings brings new insights to an earthquake nearly erased by time.

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

A doomsday tsunami is likely to strike the US in the near future, but scientists say it's better if it hits sooner rather ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active stratovolcano since 2009, according to the U.S. Geological Survey.

The Big One: Is California 'overdue' for a devastating major earthquake? A near-certain disaster looms for California, but there are real things people can do to prepare.

One of the most dangerous fault lines that threatens the United States lurks off the coast of the Pacific Northwest, capable of producing a Pacific-wide tsunami and dramatically changing the ...

If the once-every-500-year Cascadia Subduction Zone earthquake doesn’t do enough damage to the coastal Northwest on its own, frequent and widespread flooding from rising seas that follows will ...