Large lava fountains erupted from the north and south vents Jan. 24 within Halemaʻumaʻu Crater — reaching heights of at least ...

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

Hawai‘i County Civil Defense reports in its post-ashfall update message that Episode 41 of the ongoing summit eruption within Halema‘uma‘u Crater in the caldera of Kīlauea volcano produced significant ...

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

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

Episode 41 of lava fountaining to more than 1,600 feet high as part of the ongoing episodic summit eruption of Kīlauea ...

Lava spewed from Hawaii’s Kilauea volcano during the 41st eruption episode of the current active period on Saturday4.Footage ...

A magnitude 4.2 earthquake struck Pahala late Monday night and was felt throughout Hawaii island. Hawaiian Volcano ...

The U.S. Geological Survey has selected Dr. Ken Hon as the new Scientist-in-Charge at the USGS Hawaiian Volcano Observatory in Hilo, Hawaii. HVO was founded in 1912 by Dr. Thomas A. Jaggar, and Hon ...

LEGAZPI CITY (PIA) — The effusive eruption of Mayon Volcano in Albay continued for the 19th consecutive day on Sunday, with ...

COURTESY USGS Episode 41 of Kilauea 's lava fountaining began late this morning. COURTESY USGS This U.S. Geological Survey ...

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 ...