Historic Earthquake

Explore historic earthquake activity in Arkansas with the map below. Filter by magnitude, county, and/or year - not all query combinations will necessarily retrieve a result. Twenty counties have no recorded seismic events. Black markers indicate magnitude of quake is unknown.

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<= 1.9
map symbol for earthquakes of magnitude 1.9 and less
2.0 - 2.9
map symbol for earthquakes of magnitudes 2.0 to 2.9
3.0 - 3.9
map symbol for earthquakes of magnitudes 3.0 to 3.9
4.0 - 4.9
map symbol for earthquakes of magnitudes 4.0 to 4.9
5.0 - 5.9
map symbol for earthquakes of magnitudes 5.0 to 5.9
6.0 - 6.9
map symbol for earthquakes of magnitudes 6.0 to 6.9
>= 7.0
map symbol for earthquakes of magnitudes greater than 7.0