QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

11 km SE of Dayton, Tennessee

· 4.3 km deep · released about 27 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Meigs County 14 kmRhea County 21 kmMcMinn County 28 kmBradley County 30 kmBledsoe County 32 kmHamilton County 38 kmSequatchie County 44 kmPolk County 49 kmVan Buren County 58 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 2.0 (md)
Depth
4.3 km below the surface
Felt
no reports yet
Nearest
Meigs County, 14 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2693 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 27 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 560,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 390,000× the energy of this one
  3. Around the size people start to feel M 3.0 35× the energy of this one
  4. This earthquake M 2.0 about 27 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 35.4165, -84.9237. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Meigs County, TN 14 km (9 mi) SW of here earthquakes near Meigs County
Rhea County, TN 21 km (13 mi) S of here earthquakes near Rhea County
McMinn County, TN 28 km (17 mi) W of here earthquakes near McMinn County
Bradley County, TN 30 km (19 mi) NNW of here earthquakes near Bradley County
Bledsoe County, TN 32 km (20 mi) SE of here earthquakes near Bledsoe County
Hamilton County, TN 38 km (23 mi) NE of here earthquakes near Hamilton County

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

Aftershocks so far

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

  1. 1.8 4 km W of Athens, Tennessee
  2. 2.0 5 km E of Riceville, Tennessee
  3. 2.1 10 km NNE of Decatur, Tennessee
  4. 1.6 13 km E of Benton, Tennessee
  5. 1.9 7 km S of Sweetwater, Tennessee
  6. 2.8 6 km SE of Englewood, Tennessee
  7. 1.5 5 km ENE of Niota, Tennessee
  8. 2.1 6 km NNW of Calhoun, Tennessee
  9. 1.8 5 km ENE of Lakesite, Tennessee
  10. 2.1 9 km ENE of Dayton, Tennessee
  11. 1.8 4 km E of Niota, Tennessee
  12. 2.1 10 km SE of Wildwood Lake, Tennessee
  13. 2.5 5 km NNE of East Brainerd, Tennessee
  14. 1.6 11 km WNW of Sweetwater, Tennessee
  15. 2.1 7 km NNE of Benton, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.4 on 2018-12-12 — it released about 4,400 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.