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.

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

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to ...

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

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

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

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