QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5ml

Maine

· 5.0 km deep · released about 5.4 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kennebec County 23 kmWaldo County 30 kmLincoln County 54 kmKnox County 61 kmAndroscoggin County 67 kmSagadahoc County 69 kmHancock County 89 kmFranklin County 92 kmOxford County 99 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 1.5 (ml)
Depth
5.0 km below the surface
Felt
7 reports · strongest reported intensity III
Nearest
Kennebec County, 23 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1317 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 7 people have reported feeling it to USGS.

How big was it?

This earthquake released about 5.4 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,800,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 2,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 180× the energy of this one
  4. This earthquake M 1.5 about 5.4 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 44.4818, -69.4895. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kennebec County, ME 23 km (14 mi) ENE of here earthquakes near Kennebec County
Waldo County, ME 30 km (18 mi) W of here earthquakes near Waldo County
Lincoln County, ME 54 km (34 mi) N of here earthquakes near Lincoln County
Knox County, ME 61 km (38 mi) NW of here earthquakes near Knox County
Androscoggin County, ME 67 km (42 mi) ENE of here earthquakes near Androscoggin County
Sagadahoc County, ME 69 km (43 mi) NNE of here earthquakes near Sagadahoc 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. 1.6 3 km SE of Madison, Maine
  2. 2.1 3 km NE of Morrill, Maine
  3. 1.6 6 km W of Oakland, Maine
  4. 1.8 3 km SE of Morrill, Maine
  5. 2.8 6 km W of Gardiner, Maine
  6. 2.1 6 km NNE of Windsor, Maine
  7. 1.8 9 km N of Oakland, Maine
  8. 1.7 2 km SSE of Monroe, Maine
  9. 1.6 3 km ENE of Smithfield, Maine
  10. 1.8 1 km NE of Swanville, Maine

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.