Volcano Alert Level: Watch. Kīlauea has erupted episodically since Dec. 23, 2024, within the summit caldera located within ...

Introduction -- Global distribution of active volcanoes / Elizabeth Cottrell -- Basaltic lava flow hazard / Andrew J. L. Harris -- Impacts from volanic ash fall / Thomas M. Wilson, Susanna Jenkins, ...

During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with close partners on the Island of Hawaii, including ...

On a single day in November 2025, emergency managers across Washington state were inundated with calls about an eruption at Mount Rainier that was not happening. Viral online posts and sensational ...

One of two main craters on Alaska's Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. R.G. McGimsey/Alaska Volcano Observatory/U.S. Geological ...

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.

Emily Schwing: In 1912 a volcano in Alaska more than blew its top. Known as Novarupta, it was responsible for the most powerful volcanic eruption of the 20th century. Kristi Wallace: The reason we ...

Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii's Mauna Loa, the world's largest active volcano, erupts for the first time in nearly 40 years. For now, lava is not ...

This model that will be displayed in the Mountwood Park Visitors Center details life in Volcano in the 1870s. (Photos provided by Jimmie Bee) VOLCANO — The historic West Virginia boomtown of Volcano ...