Technology Yellowstone hydrothermal blast carves 21-foot crater near Biscuit Basin by Technology Editor — Leo Andersson June 24, 2026 by Technology Editor — Leo Andersson June 24, 2026 “The Yellowstone Volcano Observatory confirmed a hydrothermal explosion occurred near Biscuit Basin on June 13, 2026, creating a 21-foot-wide … 0 FacebookTwitterPinterestEmail