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

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

The Axial Seamount has been the subject of much scientific interest, leading to the establishment of the New Millennium Observatory (NeMO) , the world's first deep-water volcano observatory.

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

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain ...

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

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 million years ago. Giant volcanoes also triggered events that led to the ...

Watch Hawaii's Kilauea Volcano erupt for second major time in under two weeks Lava fountains reached heights of 1,250 feet in episode 26, a record for the eruption.