QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

Earthquake near Sevierville, TN

USGS: 6 km W of Sevierville, Tennessee

30 km (19 mi) ESE of Knoxville, TN

5:40 pm EDT, Jul 31, 2016 · · 19 km deep · released about 27 lb of TNT

10 km30 km60 km120 km N Sevier County 14 kmJefferson County 26 kmKnox County 30 kmBlount County 34 kmSwain County 38 kmGrainger County 46 kmCocke County 47 kmUnion County 49 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
5:40 pm EDT on 31 July 2016 ()
Where
7 km (4 mi) W of Sevierville, TN · earthquakes near Sevierville
Magnitude
M 2.0 (md)
Depth
19 km below the surface
Felt
no reports yet
Nearest
Sevier County, 14 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3715 days ago

A magnitude 2.0 earthquake was recorded 7 km (4 mi) W of Sevierville, TN, at 5:40 pm EDT on 31 July 2016 (21:40 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Seymour, Pigeon Forge, Gatlinburg, Mascot, Wildwood, Dandridge.

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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 35.8793, -83.6345. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Sevier County, TN 14 km (9 mi) SE earthquakes near Sevier County
Jefferson County, TN 26 km (16 mi) NE earthquakes near Jefferson County
Knox County, TN 30 km (19 mi) WNW earthquakes near Knox County
Blount County, TN 34 km (21 mi) SW earthquakes near Blount County
Swain County, NC 38 km (23 mi) SSE earthquakes near Swain County
Grainger County, TN 46 km (28 mi) NNE earthquakes near Grainger County

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

Aftershocks so far

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

  1. 2.6 4 km W of Blaine, Tennessee
  2. 1.8 3 km ESE of Garland, Tennessee
  3. 2.3 4 km WSW of Seymour, Tennessee
  4. 2.2 3 km S of Blaine, Tennessee
  5. 2.1 7 km WSW of Maryville, Tennessee
  6. 1.7 8 km SSE of Friendsville, Tennessee
  7. 1.8 8 km NNE of Louisville, Tennessee
  8. 2.3 8 km NNE of Luttrell, Tennessee
  9. 2.1 1 km WSW of Maryville, Tennessee
  10. 2.0 1 km SW of Maryville, Tennessee
  11. 1.9 1 km WSW of Maryville, Tennessee
  12. 1.5 1 km NW of Maryville, Tennessee
  13. 2.4 2 km SW of Maryville, Tennessee
  14. 2.3 6 km W of Seymour, Tennessee
  15. 2.7 5 km SW 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.