Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption.

Dec 30, 2024 · To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little harder to define.

Oct 4, 2024 · Six earthquakes were recorded at the Mount Adams volcano in September — a significant increase on the normal rate of one every two to three years.

Apr 28, 2025 · Uturuncu, a dormant volcano in Bolivia, appeared to be getting ready to erupt following earthquakes and "sombrero" shaped deformation — scientists have now worked out what's going on …

Jun 2, 2025 · Italy's Mount Etna has erupted in spectacular fashion, sending ash, gas, and other volcanic material high into the sky above Sicily. Watch footage of the eruption.

Jun 18, 2025 · Mount Lewotobi Laki-laki erupted on Tuesday and Wednesday (June 17 and 18), unleashing gigantic ash plumes and showering villages with volcanic debris.

Dec 27, 2024 · Kawah Ijen is an active volcano on the island of Java with an extremely acidic crater lake and gas emissions that produce blue flames upon contact with oxygen in Earth's atmosphere.

Jan 17, 2025 · Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater.

Nov 11, 2025 · A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle. The volcano's super-acidic lake provides the perfect analog for …

Jun 10, 2023 · From Krakatoa to the recent Tonga blast, here are some of the biggest volcanic eruptions in recorded history.