A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Episode 41 of lava fountaining in Kilauea’s Halemaumau crater began late this morning, according to the U.S. Geological ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

A research group has revealed through seismic wave analysis that the oceanic plate beneath the Ontong Java Plateau—the ...

Scientists predict imminent lava fountaining at Kīlauea's summit, with seismic activity and observatory monitoring indicating ...

Kilauea volcano put on another amazing — if short-lived — show Saturday with the onset of Episode 41 in its current long-running eruption, as two lava fountains spewed an “unprecedented” amount of ...

Effusive eruption at Mayon Volcano in Albay continues, and is now on its 22nd straight day. In its summary of 24-hour ...

Seeing a volcano with my own eyes is a total bucket list dream, but seeing a volcano that's experiencing active volcanic ...

The Mayon Volcano was photographed from Bonot, Legazpi City, at 10:15 p.m. on January 9, 2026. (Image courtesy of Amier Angel ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Large lava fountains streamed from both the north and ...

New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for ...