QuakeIndex

Earthquakes in Arkansas

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24

Quiet QuakeIndex 24 / 100

2 quakes of M1.5 or larger in the last 7 days in Arkansas. Normal for here is 2 to 6 in a week.

Compared against Arkansas's own 10 years · USGS catalogue · updated

The last 30 days

Aug 29 Sep 13 Sep 27
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.7–M2.2), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Live · last 7 days

Latest earthquakes in Arkansas

None in Arkansas in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

Where this is

Centre 35.081, -92.388 — the mean of this state’s place centroids, from the US Census Bureau Gazetteer (2024). Activity is measured across a rectangle drawn around the state, so a few earthquakes just over its border are counted too.

Largest on record in and around Arkansas

MagnitudeWhenWhere
M 4.0 1 km WNW of Cooter, Missouri
M 4.0 7 km S of Williamsville, Missouri
M 3.8 6 km NE of Etowah, Arkansas
M 3.8 6 km S of Ridgely, Tennessee
M 3.7 8 km WNW of Hollandale, Mississippi
M 3.7 2 km E of Steele, Missouri
M 3.7 13 km N of Big Flat, Arkansas
M 3.6 6 km SE of Manila, Arkansas

From the QuakeIndex catalogue, built from the USGS FDSN event service · inside a rectangle drawn around Arkansas, which takes in some ground over its borders.

Counties in Arkansas

After an earthquake here