A powerful underwater volcano off the Oregon coast is rumbling with over 300 earthquakes a day, sparking fears it could erupt ...

Widely shared social media posts claimed a massive underwater volcano "the size of a city" was "showing signs it could erupt ...

A massive volcano has shown critical signs that an eruption could be coming soon, but experts have said that there may be no way of telling when it'll blow.

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

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

Pillars of hot rock appear to connect continental-size moving blobs at the bottom of Earth's mantle to giant volcanic ...