QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7md

Earthquake near Maynardville, TN

No earthquake was likely felt in Maynardville in the 24 hours to 12:35 pm EST (17:35 UTC). The last one was M 2.3, 24 km (15 mi) E, at 2:41 am EDT on 9 July 2026, estimated intensity II (weak) in town; 1 felt report to USGS. Every earthquake near Maynardville

This page: a magnitude 2.7 earthquake was recorded 11 km (7 mi) northeast of Maynardville, TN, at 1:16 am EST on 30 November 2017 (06:16 UTC), 19 km deep. 6 people have reported feeling it to USGS.

USGS: 10 km NE of Maynardville, Tennessee

44 km (28 mi) NNE of Knoxville, TN

1:16 am EST, Nov 30, 2017 · · 19 km deep · released about 320 lb of TNT

10 km30 km60 km120 km N Union County 12 kmGrainger County 18 kmClaiborne County 21 kmJefferson County 38 kmHamblen County 41 kmCampbell County 41 kmKnox County 42 kmBell County 46 kmHancock County 49 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
1:16 am EST on 30 November 2017 ()
Where
11 km (7 mi) northeast of Maynardville, TN · earthquakes near Maynardville
Magnitude
M 2.7 (md)
Depth
19 km below the surface
Felt
6 reports · strongest reported intensity III
Nearest
Union County, 12 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3186 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 52 km (32 mi) from the epicentre. In Maynardville, 11 km away, the estimate is intensity III (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Mascot 29 km, intensity II · Fincastle 32 km, intensity II · Knoxville 44 km, intensity II · Seymour 48 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 320 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 48,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 34,000× the energy of this one
  3. Around the size people start to feel M 3.0 3× the energy of this one
  4. This earthquake M 2.7 about 320 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 36.3187, -83.7092. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Union County, TN 12 km (7 mi) WSW earthquakes near Union County
Grainger County, TN 18 km (11 mi) ESE earthquakes near Grainger County
Claiborne County, TN 21 km (13 mi) NNE earthquakes near Claiborne County
Jefferson County, TN 38 km (24 mi) SE earthquakes near Jefferson County
Hamblen County, TN 41 km (26 mi) ESE earthquakes near Hamblen County
Campbell County, TN 41 km (26 mi) WNW earthquakes near Campbell County

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

Aftershocks so far

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

  1. 2.4 7 km N of Dandridge, Tennessee
  2. 2.3 7 km N of Dandridge, Tennessee
  3. 2.2 6 km N of Dandridge, Tennessee
  4. 2.4 7 km SE of Knoxville, Tennessee
  5. 2.2 5 km SE of Knoxville, Tennessee
  6. 2.0 3 km W of Knoxville, Tennessee
  7. 1.8 6 km NNW of Mascot, Tennessee
  8. 2.1 6 km NNW of Mascot, Tennessee
  9. 2.2 5 km W of Seymour, Tennessee
  10. 2.8 8 km NW of Fincastle, Tennessee
  11. 2.5 7 km WSW of New Market, Tennessee
  12. 2.1 2 km NNE of Maynardville, Tennessee
  13. 2.3 0 km SW of Knoxville, Tennessee
  14. 2.3 7 km W of New Market, Tennessee
  15. 2.4 4 km ESE of Rutledge, 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.