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

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

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

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

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 lightly populated stretch of Alaska’s southern coast was under a tsunami warning Wednesday after a strong earthquake was ...

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

A magnitude 7.3 earthquake struck Alaska on Wednesday afternoon and a tsunami warning was canceled two hours later for the ...

There is no tsunami threat to other parts of the U.S. or Canadian Pacific coasts, including California, Oregon, Washington, ...

A 7.2 magnitude earthquake struck near Sand Point, Alaska, on Wednesday, prompting a tsunami warning from the National Weather Service.

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

A tsunami warning has been issued for south Alaska and the Alaska Peninsula after a massive 7.3-magnitude earthquake, ...