This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

While Hawaii is formed by volcanoes, including the highly active Mt. Kilauea, I want to explore an easier-to-reach region: ...

An curved arrow pointing right. Scientists are baffled as to where Mount St. Helens gets its lava. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc ...

“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...

An curved arrow pointing right. Scientists are baffled as to where Mount St. Helens gets its lava from. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc ...

Redoubt—as well as many other famous volcanoes, including Mt. St. Helens and Mt. Vesuvius, are all andesitic volcanoes. Here, get to know the major features and products of an andesitic volcano ...

Although less well-known than other volcanic giants of the Cascades (particularly Mount St. Helens), this underwater volcano is actually the most active one in the Pacific Northwest. With ...