Magnitude 7.3 quake triggered tsunami warning in Alaska. There are hardly any earthquakes on the East Coast. Does that mean we can't get tsunamis?

A view of the volcanic eruption by the Sundhnúkagigjarö íur volcano, in Grindavik, Iceland, Wednesday, 16 July.

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

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

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

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

The Senate has until Friday to vote on a measure that could eliminate more than $15 million in annual funding for Alaska’s 27 ...

New reports suggest the Iliamna Volcano in Alaska is rumbling after 100 years of dormancy, but NASA says an eruption isn't ...

( NewsNation) — A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling. Located roughly 140 miles ...