QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

13 km ESE of Ridgely, Tennessee

· 5.8 km deep · released about 9.6 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Dyer County 16 kmLake County 19 kmObion County 27 kmPemiscot County 38 kmFulton County 42 kmGibson County 45 kmCrockett County 47 kmNew Madrid County 51 kmLauderdale County 54 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 1.7 (md)
Depth
5.8 km below the surface
Felt
no reports yet
Nearest
Dyer County, 16 km S
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 130 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 9.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,100,000× the energy of this one
  3. Around the size people start to feel M 3.0 99× the energy of this one
  4. This earthquake M 1.7 about 9.6 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 36.1990, -89.3645. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Dyer County, TN 16 km (10 mi) N of here earthquakes near Dyer County
Lake County, TN 19 km (12 mi) SE of here earthquakes near Lake County
Obion County, TN 27 km (16 mi) SW of here earthquakes near Obion County
Pemiscot County, MO 38 km (24 mi) E of here earthquakes near Pemiscot County
Fulton County, KY 42 km (26 mi) SSW of here earthquakes near Fulton County
Gibson County, TN 45 km (28 mi) WNW of here earthquakes near Gibson 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. 1.8 6 km NW of Ridgely, Tennessee
  2. 1.7 4 km NW of Marston, Missouri
  3. 1.7 7 km NW of Ridgely, Tennessee
  4. 1.7 5 km W of Tiptonville, Tennessee
  5. 1.7 7 km ESE of Marston, Missouri
  6. 1.8 3 km ENE of Marston, Missouri
  7. 1.8 3 km ENE of Marston, Missouri
  8. 1.9 5 km ENE of Marston, Missouri
  9. 2.1 6 km NW of Tiptonville, Tennessee
  10. 1.9 1 km N of Marston, Missouri
  11. 2.0 5 km NE of Caruthersville, Missouri
  12. 2.1 6 km SE of Marston, Missouri
  13. 2.1 3 km SSW of Caruthersville, Missouri
  14. 1.7 1 km NNE of Ridgely, Tennessee
  15. 2.6 6 km ENE of Steele, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.0 on 2026-04-23 — it released about 3,100 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.