Scientists are on high alert after threat levels rose for three US volcanoes Thursday, suggesting eruptions may be imminent. The US Geological Survey (USGS) placed Alaska's Great Sitkin on 'Watch ...

When the fuming and rumbling at Mount Spurr, a giant volcano northwest of Anchorage, started picking up in October, Alaska’s ...

The observatory released video of the volcanic activity and also is hosting a livestream of the eruption. This is the ninth episode of eruptive activity since Dec. 23, the Hawaiian Volcano ...

Kilauea volcano on Hawaii's Big Island began erupting ... vent reached heights of 330 feet during the early hours of the eruption, with a slow effusion of lava from the south vent later.

Scientists are on high alert after threat levels rose for three US volcanoes Thursday, suggesting eruptions may be imminent. The US Geological Survey (USGS) placed Alaska's Great Sitkin on ...

Steam has been seen wafting about its peak. Another Alaska volcano is on an even higher alert status. At Great Sitkin Volcano, which sits on an island in the Aleutian chain, lava has been slowly ...