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 ...

Suggested Citation: "3 Forecasting Eruptions." National Academies of Sciences, Engineering, and Medicine. 2017. Volcanic Eruptions and Their Repose, Unrest, Precursors, and Timing. Washington, DC: The ...

POPOCATÉPETL VOLCANO, Mexico -- In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions ...

Hawaii's Kilauea volcano is on a roll. The active volcano recently had its 36th episode of eruption, and it was quite magnificent. The blazing streams of lava exploded out of the vents for five hours ...