The Superior Express -

United States Geological Survey (USGS), recorded a magnitude 3.0 earthquake at 11:37 p.m. Friday approximately 2 miles west of Burr Oak.

According to the USGS website, the quake was centered 8.7 miles northwest of Mankato 39.864 degrees north latitude and 98.350 degrees west longitude. The detected depth was approximately 3.1 miles underground.

These small earthquakes are interesting when you consider Kansas is far from the primary fault lines of the North American tectonic plate. In fact, the western most fault line stretches from Alaska to Mexico, closely skirting the U.S. and Mexican wester...