QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

2 km SSE of Concord, Kentucky

· 18 km deep · released about 69 lb of TNT

10 km30 km60 km120 km N Lewis County 17 kmAdams County 19 kmMason County 32 kmFleming County 39 kmScioto County 44 kmBrown County 45 kmGreenup County 48 kmRowan County 52 kmRobertson County 54 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 2.2 (md)
Depth
18 km below the surface
Felt
no reports yet
Nearest
Lewis County, 17 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 212 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 69 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 220,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 150,000× the energy of this one
  3. Around the size people start to feel M 3.0 14× the energy of this one
  4. This earthquake M 2.2 about 69 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 38.6677, -83.4755. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Lewis County, KY 17 km (11 mi) NNW of here earthquakes near Lewis County
Adams County, OH 19 km (12 mi) S of here earthquakes near Adams County
Mason County, KY 32 km (20 mi) ENE of here earthquakes near Mason County
Fleming County, KY 39 km (24 mi) NNE of here earthquakes near Fleming County
Scioto County, OH 44 km (28 mi) WSW of here earthquakes near Scioto County
Brown County, OH 45 km (28 mi) SE of here earthquakes near Brown County

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

Aftershocks so far

1 earthquake has been recorded within 50 km since this one.

  1. 1.7 15 km E of Flemingsburg, Kentucky

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.