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Earthquake Swarm Grazes Yellowstone National Park

A swarm of small earthquakes beset Yellowstone National Park early Tuesday morning.

According to the University of Utah’s Seismograph Station, five quakes registering with magnitudes running between 2.7 and 3.4 occurred around 3:33 a.m. The area in question was a patch of land 16 miles south of Gardiner, MT.

Boise State Public Radio reports:

Earthquake information specialist Paul Roberson says there were another 20 to 30 small quakes Tuesday morning that hadn’t yet been posted on the university’s website. He called it a fairly normal swarm for Yellowstone. He didn’t expect there to be any damage.

Seismographs recorded 31 quakes in the same area south of Gardiner on Saturday, while another 23 were reported last Wednesday and Thursday in an area between 18 and 19 miles east-southeast of West Yellowstone.

In light of Yellowstone’s active geology and relative proximity to western plate boundaries, these earthquakes come as no surprise. To experts and visitors alike, they serve as a reminder of Yellowstone’s dynamics.

Visitors are reminded that there has been no major earthquake in or around Yellowstone National Park since the Lake Hebgen quake in 1959.

About Sean Reichard

Sean Reichard is the editor of Yellowstone Insider and author of Yellowstone Insider For Families 2017.

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