Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. We are used to seeing eruptions from the summit region of Kīlauea contained to the region referred to as Halemaʻumaʻu.

Hawaii’s Kilauea volcano erupted again on Wednesday for the 39th time in a year, continuing to be among one of the world’s most active volcanoes. The eruption began on the anniversary of Episode 1 at around 8:10 p.m. HST, marking the one-year ...

Volcanic activity in northern Ethiopia's long-dormant Hayli Gubbi volcano subsided Tuesday, days after an eruption that left a trail of destruction in nearby villages and caused flight cancellations after ash plumes disrupted high-altitude flight paths.

In the Pacific Northwest, a surge of seismic activity has pushed one underwater volcano into what researchers describe as a very high likelihood of eruption, with some models putting the odds near 95 percent in the short term. That kind of number sounds ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Today’s article is by HVO geologist Drew Downs. Photos of the fissure and lava cascading over the caldera rim from the August 14,