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Earthquakes continue to rattle Yellowstone National Park where about 1,275 quakes have been recorded since Jan. 17.

So far, the largest earthquake in the swarm was a magnitude 3.8 on Thursday, Jan. 21, according to the University of Utah Seismograph Station.

There have been multiple personal reports of ground shaking from people inside the park and in surrounding areas for some of the larger events.

These swarms are relatively common in Yellowstone, according to the University of Utah Seismograph Station.

"The swarm events are likely the result of slip on pre-existing faults and are called tectonic earthquakes and are not thought to be caused by underground movement of magma. Currently there is no indication of premonitory volcanic or hydrothermal activity, but ongoing observations and analyses will continue to evaluate these different sources," the University of Utah Seismograph Station said in a news release.

The swarm, which is located about 10 miles northwest of Old Faithful and nine miles southeast of West Yellowstone, began at 1 p.m. Sunday, Jan. 17.

Latest map from USGS Web site: