A magnitude-4.0 earthquake was reported in the Bootheel Wednesday. The U.S. Geological Survey website lists the quake at 10:51 p.m. 2 miles south-southwest of Steele in Pemiscot County. The depth was 7.3 miles. People in Southeast Missouri and Arkansas reported the tremblor on social media. The Blytheville, Arkansas, Courier News also received several reports. Earthquakes are relatively common the region, with the New Madrid seismic zone running through Mississippi County. The New Madrid zone is the most seismically active area in North America east of the Rockies. During the winter of 1811-1812 three large earthquakes devastated the area and were felt in much of the nation.