QuakeIndex

Earthquake · reviewed by a seismologist

M 3.6mb_lg

8 km E of Lubec, Maine

· 5.0 km deep · released about 3.8 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Washington County 59 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 3.6 (mb_lg)
Depth
5.0 km below the surface
Felt
30 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
Nearest
Washington County, 59 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3775 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 30 people have reported feeling it to USGS.

How big was it?

This earthquake released about 3.8 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.6 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 45,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 2,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 1,400× the energy of this one
  4. This earthquake M 3.6 about 3.8 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 7.9× more

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 44.8710, -66.8780. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Washington County, ME 59 km (36 mi) E of here earthquakes near Washington County
Hancock County, ME 123 km (76 mi) ENE of here earthquakes near Hancock County

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

Aftershocks so far

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

  1. 1.8 14 km ESE of Saint Andrews, Canada
  2. 1.5 20 km ENE of Saint Andrews, Canada
  3. 2.2 22 km NE of Saint Andrews, Canada
  4. 1.6 8 km ENE of Lubec, Maine
  5. 1.8 24 km ENE of Saint Andrews, Canada
  6. 2.0 14 km NNE of Eastport, Maine
  7. 1.7 37 km ENE of Saint Andrews, Canada
  8. 1.7 9 km E of Saint Andrews, Canada
  9. 2.6 8 km SE of Saint Andrews, Canada
  10. 1.6 Maine
  11. 3.0 4 km WNW of Robbinston, Maine
  12. 2.4 4 km NW of Robbinston, Maine
  13. 1.9 4 km SE of Saint Andrews, Canada
  14. 1.6 37 km NE of Fundy Bay, Canada
  15. 1.5 25 km SE of Cutler, 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.