Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding ...

This latest activity, designated as Episode 42, is currently confined to the summit caldera within Hawaiʻi Volcanoes National Park. Ground sensors indicate that winds are blowing from the northeast, ...

Most webcams used by the USGS Hawaiian Volcano Observatory take a snapshot every few minutes to conserve bandwidth, but three webcams are currently “livestreaming” — meaning they transmit real-time ...

Volunteers agreed to help remove tephra from the roofs, gutters, and water catchment systems of more than 60 homes, which is ...

Alaska’s Mount Spurr volcano continues to show signs of unrest, and that has led to an alert level increase in the city of ...

The U.S. Geological Survey’s Hawaiian Volcano Observatory said Episode 42 ended at about 11:38 p.m. Sunday after nine hours ...

When Mauna Loa broke its silence in 2022 after nearly 40 years of calm, the spectacle was cinematic enough to earn ...

Peak fountain heights were at 1,300 ft. for the south vent and 1,000 ft. for the north vent, with the plume reaching 35,000 ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...

Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) has recorded the largest pyroclastic density current (PDC) since January, causing heavy ashfall that has affected 32 barangays in ...

The bulge first appeared in 1996 and has now returned, but Yellowstone Volcano Observatory says there's no cause for alarm.