QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

5 km W of Sevierville, Tennessee

· 23 km deep · released about 56 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Sevier County 13 kmJefferson County 25 kmKnox County 32 kmBlount County 34 kmSwain County 37 kmCocke County 45 kmGrainger County 46 kmUnion County 50 kmHamblen County 50 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 2.2 (md)
Depth
23 km below the surface
Felt
2 reports · strongest reported intensity III
Nearest
Sevier County, 13 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2508 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 2 people have reported feeling it to USGS.

How big was it?

This earthquake released about 56 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 270,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 190,000× the energy of this one
  3. Around the size people start to feel M 3.0 17× the energy of this one
  4. This earthquake M 2.2 about 56 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 35.8732, -83.6182. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Sevier County, TN 13 km (8 mi) NW of here earthquakes near Sevier County
Jefferson County, TN 25 km (16 mi) SW of here earthquakes near Jefferson County
Knox County, TN 32 km (20 mi) ESE of here earthquakes near Knox County
Blount County, TN 34 km (21 mi) NE of here earthquakes near Blount County
Swain County, NC 37 km (23 mi) NNW of here earthquakes near Swain County
Cocke County, TN 45 km (28 mi) W of here earthquakes near Cocke County

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

Aftershocks so far

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

  1. 1.7 6 km E of Townsend, Tennessee
  2. 2.5 Tennessee-North Carolina border region
  3. 2.4 7 km N of Dandridge, Tennessee
  4. 2.3 7 km N of Dandridge, Tennessee
  5. 2.2 6 km N of Dandridge, Tennessee
  6. 1.9 6 km E of Friendsville, Tennessee
  7. 2.4 7 km SE of Knoxville, Tennessee
  8. 1.9 7 km WSW of Maryville, Tennessee
  9. 2.2 5 km SE of Knoxville, Tennessee
  10. 2.0 3 km W of Knoxville, Tennessee
  11. 1.8 6 km NNW of Mascot, Tennessee
  12. 2.1 6 km NNW of Mascot, Tennessee
  13. 2.0 6 km S of Friendsville, Tennessee
  14. 2.0 2 km WSW of Alcoa, Tennessee
  15. 2.3 3 km SW of Alcoa, 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.