27K views · 354 reactions | For this month's video update of the Yellowstone Volcano Observatory, we'd like to introduce you to a friend of ours. This friend has been monitoring changes of the ground surface in Yellowstone for decades and is so good that it can detect movement of just a few millimeters in magnitude (just a fraction of an inch). The friend? A continuous GPS station! There are dozens of continuous GPS stations throughout the Yellowstone region, and they show us that the ground in

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