QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

7 km NW of Weaverville, North Carolina

· 12 km deep · released about 41 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Madison County 16 kmBuncombe County 17 kmYancey County 33 kmHaywood County 38 kmUnicoi County 44 kmHenderson County 47 kmCocke County 49 kmMitchell County 51 kmMcDowell 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 2.1 (md)
Depth
12 km below the surface
Felt
2 reports · strongest reported intensity II
Nearest
Madison County, 16 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 268 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 2 people have 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 35.7432, -82.6223. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Madison County, NC 16 km (10 mi) SSE of here earthquakes near Madison County
Buncombe County, NC 17 km (11 mi) NNW of here earthquakes near Buncombe County
Yancey County, NC 33 km (20 mi) WSW of here earthquakes near Yancey County
Haywood County, NC 38 km (24 mi) ENE of here earthquakes near Haywood County
Unicoi County, TN 44 km (27 mi) SSW of here earthquakes near Unicoi County
Henderson County, NC 47 km (29 mi) NNW of here earthquakes near Henderson County

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

Aftershocks so far

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

  1. 2.0 8 km ENE of Weaverville, North Carolina
  2. 2.0 7 km SSW of Canton, North Carolina
  3. 1.8 8 km SSE of Clyde, North Carolina
  4. 2.0 7 km SSE of Clyde, North Carolina
  5. 2.1 8 km S of West Canton, North Carolina
  6. 1.7 8 km ENE of Weaverville, North Carolina
  7. 1.9 7 km SSE of Clyde, North Carolina
  8. 1.9 8 km E of Weaverville, North Carolina
  9. 1.9 4 km N of West Canton, North Carolina
  10. 2.1 4 km NNW 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.