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At least 112 earthquakes recorded in Yellowstone National Park

At least 112 earthquakes have been recorded in the Yellowstone National Park (YNP) region in September 2015, the University of Utah Seismograph Stations reported.

The largest event was a small earthquake of magnitude 2.2 on September 1, at 03:27 AM MDT, located about 11 miles northeast of Old Faithful, WY.

On September 4, a series of 24 earthquakes hit the Yellowstone National Park region.

Yellowstone earthquake activity in September remains at low background levels. 

The current volcano alert level remains at normal.