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.

Oct 16, 2025 · Today, the volcano hosts an active hydrothermal system and smelly, sulfur-emitting vents called fumaroles, but it isn't known to have erupted in human history.

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.

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 …

Apr 28, 2025 · A "zombie" volcano in Bolivia has been rumbling in its sleep — despite being dormant for hundreds of thousands of years — and scientists now think they know why.

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.

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

Nov 4, 2024 · An eruption of Indonesia's Lewotobi Laki-laki stratovolcano rained debris and ash on villages on the island of Flores.