While you might associate volcanic eruptions with distant lands, numerous active volcanoes across America could potentially erupt tomorrow. The Yellowstone Caldera is not just a tourist hot spot; it’s ...

Oct. 3—September saw an increase in earthquake activity at Mount Adams, according to the U.S. Geological Survey (USGS) Cascades Volcano Observatory and the Pacific Northwest Seismic Network. A total ...

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 ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

MOUNT ADAMS, Wash. (KPTV/Gray News) – Scientists are installing new monitoring equipment around Mount Adams amid a spike in seismic activity under the volcano. Mount Adams, located in Washington state ...

A volcanic eruption near Nāpau Crater in Hawaii's Volcanoes National Park is continuing to dramatic effect, footage by the United States Geological Survey (USGS) shows. The eruptive activity at the ...

Unlike old soldiers, old volcanoes seemingly don't even fade away, much less die, with researchers discovering magma chambers under cones previously classed as dormant after thousands of years of ...