QuakeIndex

Earthquake · reviewed by a seismologist

M 3.6mw

4 km SW of Caruthersville, Missouri

· 9.4 km deep · released about 4.3 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Pemiscot County 10 kmLake County 26 kmDyer County 29 kmDunklin County 34 kmLauderdale County 45 kmNew Madrid County 48 kmObion County 53 kmMississippi County 55 kmFulton 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 3.6 (mw)
Depth
9.4 km below the surface
Felt
107 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
Nearest
Pemiscot County, 10 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1035 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 107 people have reported feeling it to USGS.

How big was it?

This earthquake released about 4.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.6 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 39,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 1,700× the energy of this one
  3. Magna, Utah 2020 M 5.7 1,200× the energy of this one
  4. This earthquake M 3.6 about 4.3 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 9.1× more

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 36.1632, -89.6860. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Pemiscot County, MO 10 km (6 mi) ESE of here earthquakes near Pemiscot County
Lake County, TN 26 km (16 mi) SW of here earthquakes near Lake County
Dyer County, TN 29 km (18 mi) WNW of here earthquakes near Dyer County
Dunklin County, MO 34 km (21 mi) E of here earthquakes near Dunklin County
Lauderdale County, TN 45 km (28 mi) N of here earthquakes near Lauderdale County
New Madrid County, MO 48 km (30 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

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

  1. 1.7 8 km SSE of Ridgely, Tennessee
  2. 1.7 7 km NW of Tiptonville, Tennessee
  3. 2.2 5 km N of Blytheville, Arkansas
  4. 2.3 5 km WNW of Marston, Missouri
  5. 1.9 9 km SW of Caruthersville, Missouri
  6. 2.4 8 km SSE of Marston, Missouri
  7. 2.1 4 km E of Risco, Missouri
  8. 1.9 2 km WSW of Howardville, Missouri
  9. 1.7 7 km SE of Marston, Missouri
  10. 1.6 7 km E of Hayward, Missouri
  11. 1.5 2 km WSW of Howardville, Missouri
  12. 2.3 3 km ESE of Howardville, Missouri
  13. 1.6 7 km SE of Marston, Missouri
  14. 2.3 4 km SSE of Marston, Missouri
  15. 2.2 11 km SSE of New Madrid, 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.