The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

Researchers used seismic tomography to reveal that fluid buildup, not magma, is driving Uturuncu’s deformation, indicating ...

Is there anything more spectacular than a towering lava fountain? Think about what it is: glowing red molten rock being shot ...

They tend to inflate like a balloon in between eruptions. At Axial, the sea floor is actually rising, and that’s a big signal ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

COURTESY USGS A view of the Kilauea eruption ... lava dome fountaining. “Lava has overflowed the north vent during many of these events, producing short lava flows, ” said the USGS Hawaiian ...

Episode 20 of lava fountaining at Kilauea volcano’s summit ended late Tuesday night after 4.5 hours, Hawaiian Volcano Observatory scientists said The Halemaumau eruption is now paused after the ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

A shallow, but wide caldera basin containing its namesake lake is at the summit of the volcano. In the last 13,000 years, non-explosive eruptions created expansive lava flows, which covered as ...