The USGS ranks the nation’s most hazardous peaks by threat potential, tracking seismic swings, gas emissions and ground swelling in real time. Some sit quiet for centuries between outbursts while one ...

United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...

Two weeks ago, the Philippine Institute of Volcanology and Seismology recorded three distinct, short-lived explosions in less than five minutes at Taal Volcano. The eruption sent a column of ash and ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...

A colossal underwater volcano in the South Pacific may have revealed a surprising new weapon against climate change. After the 2022 eruption of Hunga Tonga–Hunga Ha’apai, scientists detected enormous ...

The Kanlaon Volcano on the island of Negros in the Philippines, erupted on Thursday, sending plumes of ash into the air. The dramatic eruption occurred at 4:38 p.m. local time and lasted about two ...

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 ...

Two weeks ago, the Philippine Institute of Volcanology and Seismology recorded three distinct, short-lived explosions in less than five minutes at Taal Volcano. The eruption sent a column of ash and ...