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Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

An eruption at Mount Etna in July 2021. (Salvatore Allegra Photography/Moment/Getty Images) Mount Etna is more than half a million years old, but this massive stratovolcano in Sicily still has plenty ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

For the 45th time since December 2024, Hawaii's Kilauea volcano erupted Thursday morning. The spewing of lava from the shield volcano can last anywhere from a few hours to possibly days at a time ...

Archaeologists found the man holding a terracotta mortar, which they interpreted as an improvised attempt to shield his head from falling small volcanic stones that rained down during the eruption.

Though its last eruption was a century ago, California's Lassen Peak is the centerpiece of a volcanic panorama.