Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...

Geochemical analysis of erupted tephra samples over the past decade help scientists understand the temperature of Kilauea’s shallow magma system under the summit — and things have been “heating up!” ...

The USGS Hawaiian Volcano Observatory detected a swarm of about 28 tectonic earthquakes beneath the northeast side of Maunakea, in the Hāmākua region between 2 and 10 p.m. on Thursday, March 26, 2026.

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. This photo shows the gap between the south (left) and ...

A swarm of about 28 tectonic earthquakes beneath the northeast side of Mauna Kea, in the Hāmākua region, was detected yesterday.

Add Yahoo as a preferred source to see more of our stories on Google. One of the most active volcanoes in the world is gearing up for a spectacular eruption, according to the United States Geological ...

A swarm of small earthquakes shook Mauna Kea Thursday but it is not related to the movement of magma underneath the long-dormant volcano, U.S. Geological Survey scientists said today.

These processes are natural and have been recognized and embodied in Native Hawaiian oral traditions about Pele, Lono and ...

This week the U.S. Geological Survey Cascades Volcano Observatory, in cooperation with the U.S. Forest Service and Mount Hood National Forest, installed three new volcano monitoring stations on the ...

Hawaii's Kilauea volcano was erupting in its 43rd episode on Tuesday, prompting warnings from the U.S. Geological Survey and National Weather Service. A Volcanic Activity Notice issued by the USGS at ...

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 ...

The updated U.S. Geological Survey assessment finds that 161 U.S. volcanoes pose potential threats to American lives and property, eight fewer than in 2005. The eighteen very highest threat volcanoes ...