Mount Merapi, Indonesia's most active volcano, erupted on October 29, 2025, sending plumes of ash and smoke into the sky. The eruption is part of Merapi's ongoing activity, which has been continuous ...

University of Birmingham volcanologist Mike Cassidy argued that the biggest danger could come, not from Yellowstone and Mount Etna, but from hidden volcanoes that appear dormant and are barely ...

Indonesia’s Mount Semeru volcano erupted Wednesday afternoon around 4:00 p.m. local time, sending ash more than 6,500 feet into the air, according to data from the country’s Center for Volcanology.