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