QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

4 km WSW of Avilla, Arkansas

· 13 km deep · released about 74 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Saline County 4 kmPulaski County 31 kmPerry County 40 kmGrant County 47 kmGarland County 48 kmHot Spring County 49 kmFaulkner County 59 kmConway County 66 kmLonoke County 68 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.3 (md)
Depth
13 km below the surface
Felt
no reports yet
Nearest
Saline County, 4 km SW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 101 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 74 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 200,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 140,000× the energy of this one
  3. Around the size people start to feel M 3.0 13× the energy of this one
  4. This earthquake M 2.3 about 74 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

Where

Epicentre 34.6727, -92.6352. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Saline County, AR 4 km (3 mi) NE of here earthquakes near Saline County
Pulaski County, AR 31 km (20 mi) WSW of here earthquakes near Pulaski County
Perry County, AR 40 km (25 mi) SE of here earthquakes near Perry County
Grant County, AR 47 km (29 mi) NNW of here earthquakes near Grant County
Garland County, AR 48 km (30 mi) ENE of here earthquakes near Garland County
Hot Spring County, AR 49 km (30 mi) NE of here earthquakes near Hot Spring County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

1 earthquake has been recorded within 50 km since this one.

  1. 1.7 4 km SW of Avilla, Arkansas

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.