Yellowstone volcano: 127 EARTHQUAKES rock Yellowstone

According to the USGS, the individual quakes ranged in strength from magnitude 1.9 to just magnitude 0.1.

The second swarm erupted just three days later about nine miles west of Old Faithful geyser in Wyoming.

The USGS said in its monthly report: “March seismicity in Yellowstone included two swarms of earthquakes.

“The first swarm of 26 located events occurred 16 miles east-northeast of West Yellowstone, MT, from March 25 to 26 and ranged in magnitude from 0.1 to 1.9.

READ MORE: USGS predicts ‘more big LAVA flows’ when Yellowstone erupts