QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

4 km WSW of Howardville, Missouri

· 7.7 km deep · released about 91 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N New Madrid County 5 kmLake County 28 kmPemiscot County 40 kmFulton County 41 kmStoddard County 43 kmMississippi County 44 kmObion County 49 kmScott County 56 kmDunklin County 58 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
7.7 km below the surface
Felt
no reports yet
Nearest
New Madrid County, 5 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3314 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 91 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 5.8 170,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 120,000× the energy of this one
  3. Around the size people start to feel M 3.0 10× the energy of this one
  4. This earthquake M 2.3 about 91 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 36.5503, -89.6482. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
New Madrid County, MO 5 km (3 mi) S of here earthquakes near New Madrid County
Lake County, TN 28 km (17 mi) NNW of here earthquakes near Lake County
Pemiscot County, MO 40 km (25 mi) NNE of here earthquakes near Pemiscot County
Fulton County, KY 41 km (26 mi) W of here earthquakes near Fulton County
Stoddard County, MO 43 km (27 mi) SE of here earthquakes near Stoddard County
Mississippi County, MO 44 km (27 mi) SW of here earthquakes near Mississippi County

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

Aftershocks so far

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

  1. 2.7 7 km W of Parma, Missouri
  2. 3.6 4 km SW of Caruthersville, Missouri
  3. 1.8 2 km SE of Marston, Missouri
  4. 2.4 9 km SE of Marston, Missouri
  5. 1.8 0 km N of Ridgely, Tennessee
  6. 2.2 1 km ENE of Ridgely, Tennessee
  7. 2.6 3 km SSW of Bernie, Missouri
  8. 1.6 2 km NE of Marston, Missouri
  9. 1.9 7 km ESE of Marston, Missouri
  10. 2.0 5 km SW of Catron, Missouri
  11. 1.6 1 km SE of Ridgely, Tennessee
  12. 1.6 6 km SSE of Ridgely, Tennessee
  13. 1.8 10 km ENE of Steele, Missouri
  14. 1.9 0 km NW of Howardville, Missouri
  15. 1.7 11 km WNW of Newbern, 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.