QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

2 km SSE of Englewood, Tennessee

· 21 km deep · released about 41 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N McMinn County 13 kmMonroe County 21 kmPolk County 33 kmMeigs County 33 kmLoudon County 40 kmBradley County 44 kmCherokee County 48 kmRhea County 48 kmRoane 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 2.1 (md)
Depth
21 km below the surface
Felt
1 report · strongest reported intensity I
Nearest
McMinn County, 13 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2836 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 41 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 5.8 370,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 260,000× the energy of this one
  3. Around the size people start to feel M 3.0 23× the energy of this one
  4. This earthquake M 2.1 about 41 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 35.3993, -84.4768. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
McMinn County, TN 13 km (8 mi) ESE of here earthquakes near McMinn County
Monroe County, TN 21 km (13 mi) WSW of here earthquakes near Monroe County
Polk County, TN 33 km (20 mi) N of here earthquakes near Polk County
Meigs County, TN 33 km (21 mi) ESE of here earthquakes near Meigs County
Loudon County, TN 40 km (25 mi) SSW of here earthquakes near Loudon County
Bradley County, TN 44 km (27 mi) NE of here earthquakes near Bradley County

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

Aftershocks so far

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

  1. 2.1 2 km WNW of Tellico Village, Tennessee
  2. 2.3 6 km SE of Englewood, Tennessee
  3. 1.7 10 km SSE of Vonore, Tennessee
  4. 1.6 8 km SSE of Vonore, Tennessee
  5. 2.3 12 km SSE of Tellico Plains, Tennessee
  6. 1.7 6 km WSW of Tellico Village, Tennessee
  7. 1.7 11 km WNW of Loudon, Tennessee
  8. 1.6 19 km S of Tellico Plains, Tennessee
  9. 2.1 2 km W of Hopewell, Tennessee
  10. 2.1 4 km NW of Tellico Plains, Tennessee
  11. 1.7 5 km NW of Tellico Plains, Tennessee
  12. 1.9 6 km SW of Tellico Village, Tennessee
  13. 2.0 10 km WSW of Tellico Plains, Tennessee
  14. 2.0 12 km NNE of Decatur, Tennessee
  15. 2.1 9 km ESE of Vonore, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.4 on 2018-12-12 — it released about 2,900 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.