Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

Lava spewed from Hawaii’s Kilauea Volcano on Sunday, June 29, as it entered Episode 27 of its ongoing eruptive phase, the US ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

Discover more about Indonesia's volcanic alert system and the systems used around the world to help keep people as safe as ...

Hawaii's Kilauea volcano is erupting again in spectacular fashion, sending lava shooting 1,000 feet into the sky, according ...

The Kilauea Volcano in Hawaii, located on the state's Big Island, underwent two major eruptions in the last few weeks.

SCIENCE / State's volcanoes not as quiet as they look / USGS says some are a threat, need more monitoring By Keay Davidson , Chronicle Science Writer April 30, 2005 Mt. Shasta as seen from the ...

The USGS has announced that Kilauea volcano is ejecting fountains of lava in a manner not seen since the Pu'u'ō'ō eruption in the 1980s. But while the lava is mesmerizing, officials warn that the ...

If you are near an active volcano, don't consider making s'mores, the U.S. Geological Survey warns. As Hawaii's Kilauea volcano continues to spew lava and toxic gas, the USGS has been sharing ...

The USGS said a dozen volcanoes have jumped in threat level since 2005. Twenty others dropped in threat level. That includes Salton Buttes, California and Fourpeaked in Alaska.

According to the USGS, since the beginning of the 18th century, seven Cascade volcanoes have erupted. And over the last 4,000 years, eruptions have occurred at a rate of about two per century ...

Viral reports mischaracterized the intent of an updated USGS volcanic threat assessment while also falsely stating that Yellowstone’s classification has changed in that assessment.