An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

Comparing pollen records from three lakes in different geological substrates highlights the influence of geology and climate on long-term vegetation development.

Mount Spurr, an 11,000-foot-tall volcano in Alaska has a 50-50 chance of erupting in the near future, according to the USGS, ...

The Kilauea volcano in Hawaii Volcanoes National Park erupted again on February 11, marking the ninth episode in a period of activity that began on December 23. The USGS Hawaiian Volcano Observatory ...

Kilauea volcano began shooting lava into the air once again Tuesday on the Big Island of Hawaii. This is the ninth episode of eruptive activity since Dec. 23, the Hawaiian Volcano Observatory said.

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Cathy Whitlock, Regents Professor ...