QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4md

10 km SW of Gatlinburg, Tennessee

· 1.9 km deep · released about 110 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Swain County 16 kmSevier County 16 kmBlount County 29 kmGraham County 40 kmJefferson County 46 kmKnox County 48 kmCocke County 53 kmHaywood County 58 kmMacon 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 2.4 (md)
Depth
1.9 km below the surface
Felt
no reports yet
Nearest
Swain County, 16 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1091 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 110 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 130,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 95,000× the energy of this one
  3. Around the size people start to feel M 3.0 8.5× the energy of this one
  4. This earthquake M 2.4 about 110 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 35.6567, -83.6067. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Swain County, NC 16 km (10 mi) NW of here earthquakes near Swain County
Sevier County, TN 16 km (10 mi) SSW of here earthquakes near Sevier County
Blount County, TN 29 km (18 mi) E of here earthquakes near Blount County
Graham County, NC 40 km (25 mi) NNE of here earthquakes near Graham County
Jefferson County, TN 46 km (29 mi) SSW of here earthquakes near Jefferson County
Knox County, TN 48 km (30 mi) SE of here earthquakes near Knox County

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

Aftershocks so far

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

  1. 2.6 10 km SSW of Dillsboro, North Carolina
  2. 1.8 13 km SSE of Greenback, Tennessee
  3. 2.1 7 km SE of Knoxville, Tennessee
  4. 1.9 9 km WSW of Mascot, Tennessee
  5. 2.2 13 km SE of Greenback, Tennessee
  6. 2.0 21 km SE of Greenback, Tennessee
  7. 1.8 2 km WNW of Maryville, Tennessee
  8. 1.8 0 km ESE of Knoxville, Tennessee
  9. 2.2 10 km ENE of Knoxville, Tennessee
  10. 1.7 5 km NE of Greenback, Tennessee
  11. 1.8 5 km SW of Maryville, Tennessee
  12. 1.5 2 km W of Maryville, Tennessee
  13. 2.5 6 km SE of Seymour, Tennessee
  14. 1.9 1 km ENE of Friendsville, Tennessee
  15. 2.3 11 km ESE of Mascot, 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.