3.4 magnitude earthquake shakes Doniphan, Missouri

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ST. LOUIS, MO (KTVI) – The USGS reports that a 3.4 magnitude earthquake hit 30 miles west of Poplar Bluff, MO at 3:26pm on Friday.  A 3.2 magnitude aftershock occurred in the same area at 3:50pm.  The depth of seismic activity is 6.7 miles.

The last recent earthquake in the area was on August 25th northwest of Covington, TN. That tremor registered as 3.5 on the Richter scale and shook the New Madrid Fault.   The biggest earthquake in U.S. history happened in that seismic zone in 1812.

This quake occurred on the Illinois Basin and Ozark Zone.  This region is located near the much more seismically active New Madrid Zone.  The Illinois basin - Ozark dome region covers parts of Indiana, Kentucky, Illinois, Missouri, and Arkansas and stretches from Indianapolis and St. Louis to Memphis.

Quakes have rattled residents in Illinois and Indiana over the last year. Eastern Arkansas felt a quake in late October 2014, making the quake the largest in the NMSZ in several years.  The largest historical earthquake in the Illinois Basin and Ozark Zone (magnitude 5.4) damaged southern Illinois in 1968.

Emergency responders suggest having a basic earthquake plan that family members, and neighbors, can agree on. Missouri officials are saying that earthquake insurance is “critical.“