Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to ...

Seismic and land deformation data show that Santorini and Kolumbo draw from the same magma source, complicating eruption forecasts.

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also collapse sideways, with their sides, or flanks, collapsing.

Geologists say there is no evidence the Apolaki Caldera -- part of an extinct volcano located in the Philippine Sea -- could ...

A sudden increase in seismic activity at Alaska’s Mount Spurr has drawn fresh attention from scientists monitoring the volcano’s behavior. Experts now say this 11,000-foot stratovolcano, located just ...