YELLOWSTONE National Park has been struck by a shocking 153 earthquakes during the month of July, sparking fears the ‘Big One’ earthquake or a super volcano could be due.

The Univrsity of Utah Seismograph Station, which is responsible for the operation and analysis of the Yellowstone Seismic Network, revealed 153 earthquakes hit the Yellowstone National Park region in July. According to the United States Geological Survey (USGS), the largest quake had a magnitude of 2.5 and was part of a small sequence of 12 earthquakes. A larger sequence of 77 earthquakes occurred 14 miles south-southwest of Mammoth in Wyoming during the time period between July 16 and 27. The USGS also revealed that steamboat geysers remained active in July, with eruptions on July 6 and 20.