QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

4 km SSW of Kingston, Tennessee

· 11 km deep · released about 85 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Roane County 1 kmLoudon County 23 kmMorgan County 34 kmAnderson County 43 kmCumberland County 44 kmMeigs County 45 kmRhea County 46 kmMcMinn County 47 kmMonroe County 51 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 2.3 (md)
Depth
11 km below the surface
Felt
3 reports · strongest reported intensity II
Nearest
Roane County, 1 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 78 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 3 people have reported feeling it to USGS.

How big was it?

This earthquake released about 85 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 180,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 130,000× the energy of this one
  3. Around the size people start to feel M 3.0 11× the energy of this one
  4. This earthquake M 2.3 about 85 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 35.8422, -84.5300. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Roane County, TN 1 km (0 mi) SW of here earthquakes near Roane County
Loudon County, TN 23 km (14 mi) WNW of here earthquakes near Loudon County
Morgan County, TN 34 km (21 mi) SSE of here earthquakes near Morgan County
Anderson County, TN 43 km (27 mi) SW of here earthquakes near Anderson County
Cumberland County, TN 44 km (27 mi) ESE of here earthquakes near Cumberland County
Meigs County, TN 45 km (28 mi) NE of here earthquakes near Meigs County

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

Aftershocks so far

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

  1. 2.1 5 km NNE of Greenback, Tennessee
  2. 2.0 1 km S of Tellico Village, Tennessee
  3. 2.1 1 km S of Tellico Village, Tennessee
  4. 1.7 1 km ENE of Sweetwater, Tennessee
  5. 1.8 11 km NNE of Decatur, Tennessee
  6. 2.4 10 km NNE of Decatur, Tennessee
  7. 2.0 3 km SW of Tellico Village, Tennessee
  8. 1.6 8 km E of Englewood, Tennessee
  9. 1.8 8 km E of Englewood, Tennessee
  10. 2.2 9 km S of Oak Ridge, Tennessee
  11. 1.7 6 km WNW of Sweetwater, Tennessee
  12. 2.0 2 km SW of Vonore, Tennessee
  13. 2.4 2 km SW of Vonore, Tennessee
  14. 2.0 3 km ESE of Tellico Village, Tennessee
  15. 1.8 0 km SE of Farragut, 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 1,400 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.