A fourth earthquake in less than 24 hours shook Jewell County Tuesday morning.
The quake struck just after 4:30 a.m. today and measured a magnitude 3.9 on the Richter Scale. It was centered approximately 5 miles southeast of Mankato, according to the USGS. This was the strongest earthquake of the now 10 quakes in total which have struck the area since the first week of April. Including aftershocks associated with those 10 quakes there have been 19 events in total between April 4 and June 13.
Three quakes hit the same area, but with separate epicenters, Monday morning and measured 3.8 and 3.1 and 3.2 respectively, and all struck within 15 minutes according to the USGS.
There are no reports of damage or injury from any of the quakes dating back to the first week of April, according to the Jewell County Sheriff’s Department. Some area residents reported that the initial quake yesterday was strong enough to knock items off of shelves in their homes.