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 ...

The most explosive event ever recorded on Earth—and the massive tsunami that followed. On January 15, 2022, an underwater volcano erupted off the shores of the Pacific islands of Tonga—the most ...

A global early-warning system strives to keep aircraft safe from volcanic eruptions. Mark Piesing A small aircraft flies over the Bardarbunga volcano as it spews lava and ash in southeast Iceland. The ...

The eruption of Mount Pinatubo volcano in June 1991 is the second largest volcanic eruption of the twentieth century. Understanding how volcano activity may change over time is particularly important ...

Campi Flegrei is speeding toward a transition, which will either cause an eruption or a change to its underground magma ...

The year 1883 saw one of the deadliest eruptions in the history of volcanoes, erupting from the Indonesian volcano Krakatoa ...

The Alaska Volcano Observatory raised Kupreanof Volcano's alert level to Advisory and its aviation color code to Yellow on ...

Credit: Tonga Geological Services A giant volcano may have accidentally uncovered a powerful new way to destroy methane in ...