QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

4 km SE of Howardville, Missouri

· 8.5 km deep · released about 280 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N New Madrid County 10 kmLake County 24 kmFulton County 34 kmMississippi County 40 kmPemiscot County 42 kmObion County 42 kmStoddard County 48 kmHickman County 55 kmDyer County 56 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 2.6 (md)
Depth
8.5 km below the surface
Felt
13 reports · strongest reported intensity III
Nearest
New Madrid County, 10 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1554 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 13 people have reported feeling it to USGS.

How big was it?

This earthquake released about 280 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 55,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 39,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.5× the energy of this one
  4. This earthquake M 2.6 about 280 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 36.5408, -89.5672. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
New Madrid County, MO 10 km (6 mi) SE of here earthquakes near New Madrid County
Lake County, TN 24 km (15 mi) NNW of here earthquakes near Lake County
Fulton County, KY 34 km (21 mi) W of here earthquakes near Fulton County
Mississippi County, MO 40 km (25 mi) SW of here earthquakes near Mississippi County
Pemiscot County, MO 42 km (26 mi) NNE of here earthquakes near Pemiscot County
Obion County, TN 42 km (26 mi) WNW of here earthquakes near Obion 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 6 km SSE of Ridgely, Tennessee
  2. 1.6 1 km NNE of Marston, Missouri
  3. 1.9 2 km NW of Ridgely, Tennessee
  4. 2.0 3 km SSE of Matthews, Missouri
  5. 2.0 5 km ESE of Howardville, Missouri
  6. 1.8 0 km ENE of Howardville, Missouri
  7. 2.1 3 km SW of Tiptonville, Tennessee
  8. 1.9 2 km NNW of Marston, Missouri
  9. 1.8 5 km WNW of Marston, Missouri
  10. 1.8 2 km W of Tiptonville, Tennessee
  11. 1.7 11 km NNW of Tiptonville, Tennessee
  12. 1.7 3 km ENE of Lilbourn, Missouri
  13. 2.5 7 km SE of Ridgely, Tennessee
  14. 1.6 7 km N of New Madrid, Missouri
  15. 1.5 4 km NW 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.