QuakeIndex

Earthquake · reviewed by a seismologist

M 2.8md

8 km WNW of Dyersburg, Tennessee

· 10 km deep · released about 430 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Dyer County 7 kmLake County 30 kmPemiscot County 32 kmLauderdale County 36 kmCrockett County 41 kmObion County 44 kmGibson County 49 kmDunklin County 54 kmHaywood 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 2.8 (md)
Depth
10 km below the surface
Felt
32 reports · strongest reported intensity IV
Nearest
Dyer County, 7 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 271 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 32 people have reported feeling it to USGS.

How big was it?

This earthquake released about 430 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 35,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 25,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.2× the energy of this one
  4. This earthquake M 2.8 about 430 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 36.0623, -89.4743. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Dyer County, TN 7 km (4 mi) W of here earthquakes near Dyer County
Lake County, TN 30 km (19 mi) S of here earthquakes near Lake County
Pemiscot County, MO 32 km (20 mi) ESE of here earthquakes near Pemiscot County
Lauderdale County, TN 36 km (22 mi) NNE of here earthquakes near Lauderdale County
Crockett County, TN 41 km (25 mi) NW of here earthquakes near Crockett County
Obion County, TN 44 km (28 mi) SW of here earthquakes near Obion County

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

Aftershocks so far

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

  1. 2.9 4 km ENE of Steele, Missouri
  2. 2.1 1 km SSW of Caruthersville, Missouri
  3. 1.6 7 km SE of Marston, Missouri
  4. 2.1 1 km SSE of Caruthersville, Missouri
  5. 1.8 5 km ESE of Marston, Missouri
  6. 2.5 5 km ENE of Steele, Missouri
  7. 2.0 2 km SE of Ridgely, Tennessee
  8. 2.1 6 km ENE of Steele, Missouri
  9. 1.8 8 km NNW of Tiptonville, Tennessee
  10. 2.0 6 km NNW of Dyersburg, Tennessee
  11. 1.8 6 km ESE of Marston, Missouri
  12. 1.7 5 km ESE of Marston, Missouri
  13. 2.4 6 km ENE of Steele, Missouri
  14. 1.9 5 km ESE of Ridgely, Tennessee
  15. 1.5 5 km ESE 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.