It caused Causation minor damage Damaging , reports of which were confined to Kansas , Iowa , and Missouri , according to the United States Geological Survey .

A 2016 hazard map from the United States Geological Survey estimated a 1 % or lower risk for a major earthquake in Kansas for the following year , though scientists from the agency think an earthquake Catastrophe of magnitude 7.0 remains Presence possible .

The earthquake—which left Causation 50,000 homeless and damaged Damaging or destroyed Destroying over 15,000 homes—was described as the deadliest of 1997 by the United States Geological Survey .

The United States Geological Survey reported Reporting a magnitude of 6.0 M and a depth of 9 km ( 5.6 mi ) .

According to the United States Geological Survey ( USGS ) , it was the most powerful earthquake Catastrophe ever recorded Recording in Oklahoma ; this record Recording was surpassed Cause_change_of_position_on_a_scale by the 2016 Oklahoma earthquake .

According to the United States Geological Survey Scrutiny ( USGS ) the cities experiencing Perception_active the strongest shaking—VIII ( `` Severe '' ) on the Mercalli intensity scale ( MM ) —were Concepción , Arauco and Coronel .

It was measured at M 5.9 by the United States Geological Survey ( USGS ) and M 6.0 by the European Alert System .