QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

Earthquake near Conway, AR

USGS: 0 km NE of Enola, Arkansas

55 km (34 mi) NNE of Little Rock, AR · 28 km (18 mi) ENE of Conway, AR

4:37 am CDT, Jul 5, 2016 · · 7.2 km deep · released about 58 lb of TNT

Every earthquake near Conway Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Faulkner County 14 kmWhite County 41 kmConway County 45 kmCleburne County 47 kmPulaski County 49 kmVan Buren County 51 kmLonoke County 57 kmPrairie County 72 kmPerry County 72 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
4:37 am CDT on 5 July 2016 ()
Where
26 km (16 mi) ENE of Conway, AR · earthquakes near Conway
Magnitude
M 2.2 (md)
Depth
7.2 km below the surface
Felt
no reports yet
Nearest
Faulkner County, 14 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3740 days ago

A magnitude 2.2 earthquake was recorded 26 km (16 mi) ENE of Conway, AR, at 4:37 am CDT on 5 July 2016 (09:37 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Vilonia, Greenbrier, Ward, Austin.

How big was it?

This earthquake released about 58 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 260,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 180,000× the energy of this one
  3. Around the size people start to feel M 3.0 16× the energy of this one
  4. This earthquake M 2.2 about 58 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 35.2012, -92.1958. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Faulkner County, AR 14 km (9 mi) WSW earthquakes near Faulkner County
White County, AR 41 km (25 mi) E earthquakes near White County
Conway County, AR 45 km (28 mi) W earthquakes near Conway County
Cleburne County, AR 47 km (29 mi) NNE earthquakes near Cleburne County
Pulaski County, AR 49 km (30 mi) SSW earthquakes near Pulaski County
Van Buren County, AR 51 km (32 mi) NW earthquakes near Van Buren County

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

Aftershocks so far

41 earthquakes have been recorded within 50 km since this one.

  1. 2.0 Arkansas
  2. 2.3 6 km ESE of Center Ridge, Arkansas
  3. 2.3 8 km ENE of Pangburn, Arkansas
  4. 1.7 1 km ENE of Enola, Arkansas
  5. 1.6 3 km WNW of Greenbrier, Arkansas
  6. 1.8 9 km WSW of Center Ridge, Arkansas
  7. 2.4 10 km NE of Damascus, Arkansas
  8. 2.2 10 km NE of Damascus, Arkansas
  9. 2.3 7 km N of Quitman, Arkansas
  10. 2.1 0 km WNW of Enola, Arkansas
  11. 1.9 3 km WNW of Enola, Arkansas
  12. 1.9 2 km NW of Enola, Arkansas
  13. 1.9 2 km WNW of Enola, Arkansas
  14. 2.3 2 km WNW of Enola, Arkansas
  15. 2.1 2 km NNW of Greenbrier, 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.