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Arkansas Earthquake History
Since October 28, 1923, the USGS has recorded 6 earthquakes of magnitude 4.5 or greater in Arkansas. The strongest was M 4.8.
By decade
'20
'30
'70
'10
Strongest in Arkansas
M 4.8 · 3 km WNW of Tyronza, ArkansasOctober 28, 1923M 4.8 · 3 km ESE of Lake City, ArkansasMay 7, 1927M 4.8 · 2 km E of Gilmore, ArkansasSeptember 17, 1938M 4.7 · 4 km NE of Greenbrier, ArkansasFebruary 28, 2011M 4.6 · 8 km NW of Marked Tree, ArkansasMarch 25, 1976M 4.5 · 5 km NNW of Gosnell, ArkansasJanuary 1, 1924
All recorded earthquakes
M 4.7 mwFebruary 28, 2011
4 km NE of Greenbrier, Arkansas · depth 3 km
M 4.6 mwMarch 25, 1976
8 km NW of Marked Tree, Arkansas · depth 15 km
M 4.8 faSeptember 17, 1938
2 km E of Gilmore, Arkansas · depth 1 km
M 4.8 faMay 7, 1927
3 km ESE of Lake City, Arkansas
M 4.5 faJanuary 1, 1924
5 km NNW of Gosnell, Arkansas
M 4.8 faOctober 28, 1923
3 km WNW of Tyronza, Arkansas
Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.