15K views · 1.3K reactions | Yellowstone Volcano Observatory Scientist-in-Charge Mike Poland talks about a recent earthquake swarm in Yellowstone National Park, trends in ground deformation, and water eruptions at Steamboat Geyser in this video update of recent activity. Thanks to our colleagues at USGS Volcanoes for the latest monthly update! | Yellowstone National Park | Facebook

YVO scientist-in-charge Mike Poland tells the story behind the color change of Morning Glory Pool and shows you how to recognize seasonal changes in ground deformation data in this September 1, 2021 video update of #volcano and #earthquake activity at #Yellowstone. Morning Glory has a cautionary tale to tell about how humans can impact the way thermal features look and behave. Morning Glory was a beautiful, deep blue color (it was named after the flower). But the pool was right next to the road

Up until the 1950’s, visitors to the Old Faithful area could take a dip. Not at a geyser, but in a real swimming pool. This full story, along with an overview of geologic activity in the park during the month of May, is discussed in this month’s update from our friends at USGS Volcanoes! | Yellowstone National Park