QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

1 km SSW of Lilbourn, Missouri

· 8.8 km deep · released about 91 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N New Madrid County 3 kmLake County 30 kmFulton County 39 kmMississippi County 40 kmStoddard County 42 kmPemiscot County 44 kmObion County 49 kmScott County 52 kmHickman County 59 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
8.8 km below the surface
Felt
2 reports · strongest reported intensity II
Nearest
New Madrid County, 3 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3429 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 2 people have reported feeling it to USGS.

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 36.5835, -89.6217. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
New Madrid County, MO 3 km (2 mi) ESE of here earthquakes near New Madrid County
Lake County, TN 30 km (19 mi) NNW of here earthquakes near Lake County
Fulton County, KY 39 km (24 mi) W of here earthquakes near Fulton County
Mississippi County, MO 40 km (25 mi) SW of here earthquakes near Mississippi County
Stoddard County, MO 42 km (26 mi) SE of here earthquakes near Stoddard County
Pemiscot County, MO 44 km (27 mi) NNE of here earthquakes near Pemiscot 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. 2.0 4 km WSW of Howardville, Missouri
  2. 1.9 2 km WNW of Marston, Missouri
  3. 2.1 2 km NW of Marston, Missouri
  4. 2.3 4 km WSW of Howardville, Missouri
  5. 1.6 4 km NNW of Tiptonville, Tennessee
  6. 1.7 4 km NW of Marston, Missouri
  7. 1.7 4 km WSW of Howardville, Missouri
  8. 2.9 4 km WSW of Howardville, Missouri
  9. 2.7 5 km ESE of Marston, Missouri
  10. 2.2 2 km NW of Marston, Missouri
  11. 1.5 8 km NW of Ridgely, Tennessee
  12. 3.2 8 km SSE of Marston, Missouri
  13. 2.3 10 km SSE of Matthews, Missouri
  14. 2.9 5 km WNW of Tiptonville, Tennessee
  15. 1.8 3 km WNW of Marston, 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.