Authorities have raised the alert level after ash spewed from the Popocatépetl volcano in central Mexico. It's one of the ...
The discovery has revealed a hidden process that could change how scientists understand volcanic systems.
Massive volcano in Japan refilling 7,300 years after eruption, offering new insight into supervolcano behavior and future risks ...
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 summit region of Kīlauea experienced tephra fallout and a Kona low storm this past week. Cleanup, recovery, and regrowth ...
A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.
A volcano on Atka Island in the Aleutians has been showing increasing signs of unrest over the past two weeks, and scientists ...
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 ...
The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic ...
Although volcanic eruptions are spectacular natural events that occur around the world every day, most volcanoes spend the ...
Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...
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