QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7md

2 km NE of Maryville, Tennessee

· 13 km deep · released about 380 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Blount County 10 kmKnox County 25 kmLoudon County 33 kmSevier County 39 kmAnderson County 44 kmMonroe County 45 kmGraham County 48 kmSwain County 50 kmRoane County 52 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 2.7 (md)
Depth
13 km below the surface
Felt
60 reports · strongest reported intensity IV
Nearest
Blount County, 10 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2544 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 60 people have reported feeling it to USGS.

How big was it?

This earthquake released about 380 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 40,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 29,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.5× the energy of this one
  4. This earthquake M 2.7 about 380 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 35.7708, -83.9557. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Blount County, TN 10 km (6 mi) NNW of here earthquakes near Blount County
Knox County, TN 25 km (15 mi) S of here earthquakes near Knox County
Loudon County, TN 33 km (20 mi) E of here earthquakes near Loudon County
Sevier County, TN 39 km (24 mi) W of here earthquakes near Sevier County
Anderson County, TN 44 km (27 mi) SSE of here earthquakes near Anderson County
Monroe County, TN 45 km (28 mi) NE of here earthquakes near Monroe County

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

Aftershocks so far

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

  1. 1.6 3 km NE of Greenback, Tennessee
  2. 1.7 5 km E of Greenback, Tennessee
  3. 1.9 2 km S of Knoxville, Tennessee
  4. 2.0 3 km WNW of Madisonville, Tennessee
  5. 2.2 4 km E of Maryville, Tennessee
  6. 2.1 6 km WNW of Vonore, Tennessee
  7. 2.0 4 km ESE of Huntsville, Tennessee
  8. 2.2 5 km ENE of Wildwood, Tennessee
  9. 2.1 2 km WNW of Tellico Village, Tennessee
  10. 2.3 1 km ESE of Farragut, Tennessee
  11. 1.7 10 km SSE of Vonore, Tennessee
  12. 1.6 8 km SSE of Vonore, Tennessee
  13. 1.7 6 km WSW of Tellico Village, Tennessee
  14. 1.7 11 km WNW of Loudon, Tennessee
  15. 2.2 3 km SSW of Garland, 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.