Seismic Summary: During the month of August 2010, 57 earthquakes were located in the Yellowstone region. The largest event was a magnitude 1.7 on August 30 at 2:47 PM MDT, located about 12 miles southwest of Old Faithful, Yellowstone National Park. Seismicity continues at background levels.
Ground Deformation Summary: Careful analysis of the Yellowstone GPS data shows that the period of accelerated Yellowstone caldera uplift, beginning in 2004, has decreased toward long-term background levels. A record of recent ground displacement can be found at: http://pboweb.unavco.org/shared/scripts/stations/?checkkey=WLWY&sec=timeseries_plots×eries=raw