Bill Chadwick has forecast an Axial Seamount eruption correctly once before, and he is now working through his second attempt ...

Great Sitkin and Shishaldin, two volcanoes roughly 250 miles apart in Alaska’s Aleutian chain, have both been venting visible ...

Mount Etna’s ancient eruptions followed radically different paths, with some magma lingering near the surface for weeks while ...

The original version of this story appeared in Quanta Magazine. In the summer of 1991, Pinatubo, a volcano in the Philippines, self-destructed. The eruption started on June 12, and three days later it ...

After Mount St. Helens erupted in 1980, experts were faced with a precarious question: How can we best prepare for when—not if—the next volcanic eruption in the Cascade Range occurs? Triggered by a ...

Anak Krakatau’s 25-hour continuous eruption has ended, but volcanic activity remains high and another eruption is still possible.

This article analyzes form CP 10 28 02 19, Earthquake and Volcanic Eruption Coverage With Flat-Dollar Deductible.