Yellowstone earthquake activity is currently at elevated levels compared with typical background activity, the Yellowstone Volcano Observatory reports in its monthly update for July 2017.
During July 2017, the University of Utah Seismograph Stations, responsible for the operation and analysis of the Yellowstone Seismic Network, reports 528 earthquakes were located in the Yellowstone National Park (YNP) region. The largest event was a minor earthquake of magnitude 3.6 on July 18, at 20:31 UTC (14:31 MDT), located about 14.5 km (9 miles) north northeast of West Yellowstone, MT. The earthquake was reported felt in the town of West Yellowstone, MT. This earthquake is part of a continued energetic sequence of earthquakes in the same area that began on June 12, 2017, YVO reports.