QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

7 km SW of Caruthersville, Missouri

· 9.5 km deep · released about 47 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Pemiscot County 11 kmDyer County 29 kmLake County 29 kmDunklin County 32 kmLauderdale County 42 kmNew Madrid County 51 kmMississippi County 52 kmObion County 56 kmCrockett County 62 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 2.1 (md)
Depth
9.5 km below the surface
Felt
no reports yet
Nearest
Pemiscot County, 11 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1576 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 47 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 320,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 230,000× the energy of this one
  3. Around the size people start to feel M 3.0 20× the energy of this one
  4. This earthquake M 2.1 about 47 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 36.1373, -89.7032. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Pemiscot County, MO 11 km (7 mi) SE of here earthquakes near Pemiscot County
Dyer County, TN 29 km (18 mi) WNW of here earthquakes near Dyer County
Lake County, TN 29 km (18 mi) SW of here earthquakes near Lake County
Dunklin County, MO 32 km (20 mi) E of here earthquakes near Dunklin County
Lauderdale County, TN 42 km (26 mi) N of here earthquakes near Lauderdale County
New Madrid County, MO 51 km (32 mi) S of here earthquakes near New Madrid County

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

Aftershocks so far

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

  1. 1.8 7 km ESE of Marston, Missouri
  2. 1.7 southeastern Missouri
  3. 1.8 9 km NW of Tiptonville, Tennessee
  4. 1.8 6 km ESE of Marston, Missouri
  5. 2.3 7 km NNW of Tiptonville, Tennessee
  6. 2.0 southeastern Missouri
  7. 2.1 6 km ENE of Steele, Missouri
  8. 2.0 3 km SSE of Holland, Missouri
  9. 1.6 8 km NNW of Tiptonville, Tennessee
  10. 2.2 5 km ENE of Steele, Missouri
  11. 1.6 4 km WNW of Ridgely, Tennessee
  12. 2.6 2 km NNW of Dell, Arkansas
  13. 1.5 6 km SE of Tiptonville, Tennessee
  14. 1.7 7 km SSW of Ridgely, Tennessee
  15. 1.7 2 km S of Howardville, Missouri

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.