Yellowstone Volcano Observatory monthly update September 2, 2025, 2:08 p.m. MDT https://ow.ly/F3T250WPSAw Video shows a small eruption of Black Diamond Pool in Biscuit Basin in August 12, 2025. Not a spectacular event, but what a sunset!!! AUGUST SUMMARY - background activity - 94 located earthquakes (Max=M3.7) - summertime pause in long-term subsidence - small Black Diamond Pool eruption on August 12 RECENT WORK AND NEWS Minor eruptions of Steamboat Geyser in Norris Geyser Basin remain muted, i

Yellowstone Volcano Observatory monthly update July 1, 2025, 10:27 a.m. MDT https://ow.ly/NmoN50WjbVj SUMMARY Yellowstone Caldera activity remains at background levels, with 60 located earthquakes in June (largest = M2.7). Deformation measurements indicate that the annual summertime pause in long-term caldera subsidence started in June. Another small eruption of Black Diamond Pool in Biscuit Basin was recorded by a webcam on June 12 at 6:25 a.m. MDT (see attached video). RECENT WORK AND NEWS Min