When a volcano is dormant, it typically doesn't tend to make much noise. However, the Iliamna Volcano in Alaska is defying ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

A volcano about 140 miles southwest of Anchorage, Alaska began rumbling recently after remaining quiet for nearly a hundred ...

From Mount St Helens in Washington to the Mauna Loa in Hawaii, these structures have a complicated history of disaster and ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...

Communities along a 700-mile stretch of Alaska’s southern coast ordered their residents to higher ground after a powerful ...

Samples of extremely small crystal clots, each polished to the thickness of a human hair or thinner, have revealed ...

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.

A rare tsunami warning was issued for part of Alaska’s coast after a magnitude 7.3 earthquake struck near Sand Point in the ...

A tsunami warning has been issued for Alaska after a 7.2 magnitude tremor struck at a depth of 22 miles rocked the Pacific ...

A volcanic eruption in southwest Iceland has prompted evacuations, including at nearby tourist sites like the Blue Lagoon.

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...