With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption, according to a statement issued Thursday by the Alaska Volcano Observatory. For ...

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption, according to a statement issued Thursday by the Alaska Volcano Observatory.

according to a team of geoscientists from Cornell University and Cascades Volcano Observatory. While visible lava at the surface is an obvious indicator of activity, the long-standing belief is that ...

Six earthquakes were recorded at Mount Adams in September, the most since monitoring began in 1982, according to the U.S. Geological Survey's Cascades Volcano Observatory. The agency and the ...

Iezzi's team with the USGS Cascades Volcano Observatory monitors the Cascades daily. Their infrasound and seismic sensors detect cracks and movement from below as magma is forced upward.

The observatory released video of the volcanic activity and also is hosting a livestream of the eruption. This is the ninth episode of eruptive activity since Dec. 23, the Hawaiian Volcano ...

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 ...