The world’s largest active volcano, Mauna Loa, shot fountains of lava up to 148 feet tall on Tuesday, but has since spewed shorter spurts, the US Geological Survey said.. Mauna Loa’s eruption ...

This aerial image released by the U.S. Geological Survey on Nov. 28, 2022, courtesy of the National Weather Service, shows the lava in the summit caldera of Mauna Loa in Hawaii, which is erupting ...

Hawaiian Volcano Observatory field engineers on July 10, 2025, visited monitoring stations downwind of the Kīlauea summit ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

This photo was taken by a Hawaiian Volcano Observatory monitoring webcam just before 6 a.m. July 9, 2025, during Episode 28 ...

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

— -- Could a deadly volcano eruption like Mount Ontake's in Japan happen here in the United States? It's possible, U.S. Geological Survey scientist John Ewert told ABC News today. Luckily ...

Of the 161 volcanoes found in the United States, 18 of them are considered a "very high" threat in any eruption scenario. That's a stat from the " 2018 update to the U.S. Geological Survey ...

The US Geological Survey (USGS) says that while the southwestern United States isn’t commonly thought of as a hotbed of volcanic activity, it’s arguably the next place in the nation to blow ...

For the first time since 2005, the US Geological Survey released an assessment classifying several volcanoes – from Washington to Hawaii – as the most threatening in the country.

The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high threat," the U.S. Geological Survey announced in a new report released this week.