QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4md

9 km SSW of Banner Hill, Tennessee

· 0.1 km deep · released about 120 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Unicoi County 7 kmYancey County 24 kmWashington County 27 kmMitchell County 29 kmMadison County 30 kmGreene County 36 kmCarter County 41 kmBuncombe County 50 kmAvery 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 2.4 (md)
Depth
0.1 km below the surface
Felt
12 reports · strongest reported intensity IV
Nearest
Unicoi County, 7 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1972 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 12 people have reported feeling it to USGS.

How big was it?

This earthquake released about 120 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 89,000× the energy of this one
  3. Around the size people start to feel M 3.0 7.9× the energy of this one
  4. This earthquake M 2.4 about 120 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 36.0552, -82.4790. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Unicoi County, TN 7 km (5 mi) SW of here earthquakes near Unicoi County
Yancey County, NC 24 km (15 mi) NW of here earthquakes near Yancey County
Washington County, TN 27 km (17 mi) S of here earthquakes near Washington County
Mitchell County, NC 29 km (18 mi) W of here earthquakes near Mitchell County
Madison County, NC 30 km (19 mi) NE of here earthquakes near Madison County
Greene County, TN 36 km (22 mi) ESE of here earthquakes near Greene County

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

Aftershocks so far

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

  1. 2.0 8 km ENE of Weaverville, North Carolina
  2. 1.7 8 km ENE of Weaverville, North Carolina
  3. 1.9 8 km E of Weaverville, North Carolina
  4. 1.7 6 km WSW of Newland, North Carolina
  5. 2.1 4 km NNW of Weaverville, North Carolina
  6. 2.1 7 km NW of Weaverville, North Carolina
  7. 2.3 2 km ENE of Greeneville, Tennessee
  8. 1.8 8 km W of Bakersville, North Carolina
  9. 2.3 8 km NNW of Greeneville, Tennessee
  10. 1.9 1 km SW of Fall Branch, Tennessee
  11. 2.2 8 km WNW of Roan Mountain, Tennessee
  12. 1.8 12 km N of Old Fort, North Carolina
  13. 2.0 7 km N of Spruce Pine, North Carolina
  14. 1.8 5 km NNW of Weaverville, North Carolina
  15. 1.9 5 km N of Weaverville, North Carolina

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.