QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

4 km N of Blytheville, Arkansas

· 7.3 km deep · released about 180 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Dunklin County 25 kmMississippi County 25 kmPemiscot County 30 kmLauderdale County 34 kmDyer County 48 kmTipton County 54 kmLake County 57 kmGreene County 61 kmClay County 63 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 2.5 (md)
Depth
7.3 km below the surface
Felt
5 reports · strongest reported intensity III
Nearest
Dunklin County, 25 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3110 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 5 people have reported feeling it to USGS.

How big was it?

This earthquake released about 180 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 86,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 61,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.4× the energy of this one
  4. This earthquake M 2.5 about 180 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 35.9637, -89.9183. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Dunklin County, MO 25 km (15 mi) SSE of here earthquakes near Dunklin County
Mississippi County, AR 25 km (16 mi) NNE of here earthquakes near Mississippi County
Pemiscot County, MO 30 km (19 mi) SSW of here earthquakes near Pemiscot County
Lauderdale County, TN 34 km (21 mi) NW of here earthquakes near Lauderdale County
Dyer County, TN 48 km (30 mi) WSW of here earthquakes near Dyer County
Tipton County, TN 54 km (34 mi) NNW of here earthquakes near Tipton County

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

Aftershocks so far

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

  1. 2.1 10 km SSE of Ridgely, Tennessee
  2. 1.7 6 km S of Ridgely, Tennessee
  3. 1.8 2 km NNE of Cooter, Missouri
  4. 1.9 3 km SSW of Caruthersville, Missouri
  5. 1.7 7 km S of Ridgely, Tennessee
  6. 2.7 7 km ENE of Steele, Missouri
  7. 1.8 7 km ENE of Steele, Missouri
  8. 1.7 8 km SSE of Ridgely, Tennessee
  9. 2.2 5 km N of Blytheville, Arkansas
  10. 1.9 9 km SW of Caruthersville, Missouri
  11. 1.7 7 km ENE of Etowah, Arkansas
  12. 2.0 7 km ENE of Etowah, Arkansas
  13. 2.3 6 km ENE of Etowah, Arkansas
  14. 2.1 10 km W of Henning, Tennessee
  15. 2.1 3 km SSW of Ridgely, Tennessee

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.