3.7 magnitude earthquake reported in Gregory County Friday morning
GREGORY COUNTY, S.D. — A 3.7 magnitude earthquake rumbled through south-central South Dakota Friday morning.
The quake happened at about 9:25 a.m. Mountain Time.
The epicenter was about eight miles east-southeast of the town of Fairfax in Gregory County, just west of the Missouri River and about a quarter-mile north of the Nebraska state line.
The area is sparsely populated. There were no reports of damage or injury.
According to the U.S. Geological Survey, approximately 12,000 people were exposed to light shaking. The agency says seismic activity in the area is not uncommon. The strongest quakes ever recorded in the area were both 4.3 – one in 1982 and the other in 2002.