Earthquake Risk in Arkansas
Arkansas straddles the New Madrid Seismic Zone in its northeastern corner, giving that region significant earthquake risk. The 1811-1812 New Madrid earthquakes were felt strongly across the state. Central and western Arkansas see occasional smaller earthquakes along the Enola and Imboden fault systems.
The largest earthquake recorded in Arkansas was a magnitude 4.7 4 km NE of Greenbrier, Arkansas on February 28, 2011. Arkansas has 33 notable earthquakes on record since 2004, with the most recent being a M3.7 on November 3, 2024.
Notable Earthquakes
33
Recorded in or near Arkansas (since 2004)
Largest Earthquake
M4.7
4 km NE of Greenbrier, Arkansas (Feb 2011)
Most Recent
M3.7
Nov 3, 2024
Notable Earthquakes
Significant earthquakes recorded in or near this state.
| Magnitude | Location | Depth | Date |
|---|---|---|---|
| M4.7 | 4 km NE of Greenbrier, Arkansas | 3.2 km | Feb 28, 2011 |
| M4.2 | 5 km SSE of Manila, Arkansas | 10.0 km | May 1, 2005 |
| M4.1 | 3 km NNW of Etowah, Arkansas | 15.5 km | Feb 10, 2005 |
| M4.1 | 2 km SE of Guy, Arkansas | 4.9 km | Oct 11, 2010 |
| M4.1 | 4 km NNE of Greenbrier, Arkansas | 6.2 km | Feb 18, 2011 |
| M3.9 | 2 km ESE of Guy, Arkansas | 4.5 km | Nov 20, 2010 |
| M3.9 | 8 km SW of Parkin, Arkansas | 21.0 km | Oct 29, 2012 |
| M3.9 | 3 km NE of Greenbrier, Arkansas | 6.2 km | Apr 8, 2011 |
| M3.9 | 3 km NNE of Greenbrier, Arkansas | 5.0 km | Feb 18, 2011 |
| M3.8 | 6 km NE of Etowah, Arkansas | 11.2 km | Dec 27, 2023 |
| M3.8 | 3 km ESE of Fairfield Bay, Arkansas | 0.1 km | Jun 4, 2014 |
| M3.8 | Arkansas | 7.0 km | Oct 15, 2010 |
| M3.8 | 4 km NNE of Greenbrier, Arkansas | 6.3 km | Feb 17, 2011 |
| M3.7 | 2 km E of Steele, Missouri | 10.0 km | Nov 3, 2024 |
| M3.7 | 13 km N of Big Flat, Arkansas | 17.6 km | Sep 12, 2019 |
| M3.7 | 2 km NE of Greenbrier, Arkansas | 6.1 km | Apr 7, 2011 |
| M3.7 | 8 km WNW of Hollandale, Mississippi | 16.4 km | Jan 8, 2019 |
| M3.7 | 7 km SW of Trumann, Arkansas | 14.1 km | Feb 23, 2013 |
| M3.6 | 6 km SE of Manila, Arkansas | 16.6 km | Oct 15, 2017 |
| M3.6 | 4 km SW of Caruthersville, Missouri | 9.4 km | Jan 16, 2018 |
| M3.6 | 3 km WNW of Marked Tree, Arkansas | 8.2 km | Aug 30, 2020 |
| M3.6 | 6 km NNE of Bergman, Arkansas | 5.9 km | Jun 11, 2017 |
| M3.6 | 1 km WNW of Cooter, Missouri | 10.4 km | Apr 2, 2015 |
| M3.6 | 4 km NNE of Greenbrier, Arkansas | 4.1 km | Feb 28, 2011 |
| M3.6 | 3 km NNE of Greenbrier, Arkansas | 5.1 km | Feb 20, 2011 |
| M3.6 | 1 km S of Guy, Arkansas | 5.8 km | Oct 11, 2010 |
| M3.5 | 9 km W of Henning, Tennessee | 12.7 km | Aug 25, 2015 |
| M3.5 | 4 km NNE of Greenbrier, Arkansas | 6.6 km | Feb 16, 2011 |
| M3.5 | 2 km NNE of Greenbrier, Arkansas | 6.1 km | Apr 8, 2011 |
| M3.5 | 1 km NW of Greenbrier, Arkansas | 5.9 km | Mar 9, 2011 |
| M3.5 | 4 km NNE of Greenbrier, Arkansas | 5.8 km | Feb 25, 2011 |
| M3.5 | 4 km S of Guy, Arkansas | 6.0 km | Oct 16, 2010 |
| M3.5 | 0 km N of Greenbrier, Arkansas | 6.6 km | Mar 3, 2011 |
Cities in Arkansas
Explore More
All States
AlabamaAlaskaArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming