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 ...

Kilauea has erupted dozens of times since 1952 (Image: Anadolu via Getty Images) Dazzling footage of the world's most active volcano, located on Hawaii's Big Island, shows a towering fountain of ...

For more than 100,000 years, a Greek volcano lay silent. But deep underground, it was still growing. Tiny zircon crystals show magma was quietly brewing between eruptions, researchers report April 22 ...

Residents near Kīlauea’s summit and visitors to Hawaiʻi Volcanoes National Park face a narrowing countdown. The Hawaiian Volcano Observatory, a branch of the U.S. Geological Survey, has forecast that ...

In the summer of 1991, Pinatubo, a volcano in the Philippines, self-destructed. The eruption started on June 12, and three days later it culminated in a tremendous explosion. By the time pyroclastic ...

The last eruption of Greece’s Methana volcano was around 250 B.C.E. Ever since that event, which was recorded by the Greek historian Strabo, the mountain has lurked silently, just across the Saronic ...

Located on the Pacific Ring of Fire, Indonesia is home to around 120–130 active volcanoes, the highest number in the world, making volcanic eruptions, earthquakes and tsunamis constant natural hazards ...