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

The summit region of Kīlauea experienced tephra fallout and a Kona low storm this past week. Cleanup, recovery, and regrowth ...

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 ...

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!” ...

VOLCANO, Hawaii -- Ever wondered what it's like to soar over the summit of an active volcano as ash plumes thousands of feet into the air? That's exactly what scientists with the United States ...

Add Yahoo as a preferred source to see more of our stories on Google. Taftan Volcano Summit (3941m), Sistan and Baluchestan province, Iran. (CREDIT: Wikimedia / Safa Daneshvar / CC BY-SA 4.0) For ...

A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

Scientists reveal a hidden magma and fluid system beneath Ebeko volcano, explaining how quiet surfaces can lead to sudden ...

Native Hawaiian oral traditions attribute these actions to Hawaiian patron goddess of hula dancers, chants, sorcery and ...

VOLCANO, Hawaii -- Ever wondered what it's like to soar over the summit of an active volcano as ash plumes thousands of feet into the air? That's exactly what scientists with the United States ...