Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

Fallout of the particles, as big as footballs, were reported at overlooks in the Hawai'i Volcanoes National park.

The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Tūtū Pele couldn't let the incoming Kona storm system have all the fun, as Kīlauea began lava fountaining at approximately 9:17 a.m. on March 10.

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

Not all of the problematic issues identified during this review could be neatly categorized as affecting only research, assessment, monitoring, crisis response, or outreach. Several of the barriers to ...

VOLCANO, Hawaii (Island News) – According to USGS, Kilauea volcano began its fourth eruption Wednesday morning, January 15, 2025, after the summit eruption began on December 23, 2024. The eruption was ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...