QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

10 km SSE of Pittman Center, Tennessee

· 4.8 km deep · released about 51 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Swain County 15 kmSevier County 20 kmCocke County 35 kmHaywood County 36 kmJefferson County 43 kmJackson County 47 kmBlount County 51 kmGraham County 56 kmMacon County 57 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 2.1 (md)
Depth
4.8 km below the surface
Felt
4 reports · strongest reported intensity III
Nearest
Swain County, 15 km SW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1168 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 4 people have reported feeling it to USGS.

How big was it?

This earthquake released about 51 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 300,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 210,000× the energy of this one
  3. Around the size people start to feel M 3.0 19× the energy of this one
  4. This earthquake M 2.1 about 51 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 35.6662, -83.3547. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Swain County, NC 15 km (9 mi) NE of here earthquakes near Swain County
Sevier County, TN 20 km (13 mi) SE of here earthquakes near Sevier County
Cocke County, TN 35 km (22 mi) SW of here earthquakes near Cocke County
Haywood County, NC 36 km (22 mi) WNW of here earthquakes near Haywood County
Jefferson County, TN 43 km (27 mi) S of here earthquakes near Jefferson County
Jackson County, NC 47 km (29 mi) NNW of here earthquakes near Jackson County

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

Aftershocks so far

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

  1. 2.0 7 km SSW of Canton, North Carolina
  2. 2.1 10 km SSW of Dillsboro, North Carolina
  3. 1.8 8 km SSE of Clyde, North Carolina
  4. 2.0 7 km SSE of Clyde, North Carolina
  5. 2.1 8 km S of West Canton, North Carolina
  6. 1.9 7 km SSE of Clyde, North Carolina
  7. 1.9 4 km N of West Canton, North Carolina
  8. 2.3 4 km N of Pigeon Forge, Tennessee
  9. 1.8 8 km NNW of Bryson City, North Carolina
  10. 2.2 10 km W of Forest Hills, North Carolina
  11. 2.6 10 km SSW of Dillsboro, North Carolina
  12. 2.5 6 km SE of Seymour, Tennessee
  13. 2.3 11 km ESE of Mascot, Tennessee
  14. 2.0 8 km W of Seymour, Tennessee
  15. 2.1 8 km ENE of Seymour, 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.