Mount Etna, on the east coast of Sicily, between the cities of Messina and Catania, is one of the world’s most active volcanoes

Italy’s Mount Etna volcano violently erupted on Monday, sending plumes of toxic ash and smoke billowing into the sky as people on the mountain ran for safety to escape the danger.

Halemaʻumaʻu eruption reaches new heights; HVO updates volcano alert notifications - Features | Hawaii Tribune-Herald

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

Axial Seamount, an active underwater volcano located approximately 300 miles due west of Astoria, Oregon, is showing signs that have led scientists to forecast a potential eruption. The volcano, which sits about a mile below the ocean surface,

Volcanoes often give little warning before they erupt, but now scientists have discovered an unexpected early warning sign—trees. This new finding comes from a joint study by researchers from NASA, the Smithsonian Institution,

“Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Episode 23 of Kīlauea’s ongoing eruption within Halemaʻumaʻu occurred May 25, 2025.

And while the advisory assured that the “likelihood of an eruption continues to gradually decline,” the 11,000-foot-tall volcano remains at an “elevated state of unrest,” meaning that an “explosive eruption” is still possible.