Earthquakes in southeast Missouri are not rare

Did you experience an earthquake? If so, please report it to the U.S. Geological Survey.

NMSZ Earthquakes M1.0 or greater 2000-2016














Four earthquakes measuring magnitude 4.5 or greater occurred in the zone in 1976, 1990 and 1991.

 NMSZ Earthquakes 1974 to Feb. 21, 2012 -- M 4.5 and Greater Trumann, Arkansas
Date: 1976/03/25 Origin Time of Earthquake (UTC): 00:41:20.5000  Latitude: 35.59000  Longitude: -90.48000 Depth (km): 15.0000  Magnitude: 5.0  Google location: Map

Trumann, Arkansas
Date: 1976/03/25 Origin Time of Earthquake (UTC):  01:00:11.9000  Latitude:  35.61000  Longitude: -90.48000 Depth (km): 15.0000  Magnitude: 4.5  Google location: Map

Chaffee, Missouri
Date: 1990/09/26 Origin Time of Earthquake (UTC): 13:18:51.7100  Latitude: 37.15200  Longitude: -89.61300  Depth (km): 1.0000  Magnitude: 4.8  Google location: Map  

Risco, Missouri
Date: 1991/05/04 Origin Time of Earthquake (UTC): 01:18:54.6000 Latitude: 36.57500 Longitude: -89.82500  Depth (km): 11.2000  Magnitude: 4.5   Google location: Map

Data collected from the New Madrid Earthquake Catalog maintained by the Center for Earthquake Research and Information. Search the catalog for other occurrences, create a map and learn more about occurrences in the New Madrid Seismic Zone.