QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5ml

39 km NE of Saint Andrews, Canada

· 5.0 km deep · released about 5.4 lb of TNT

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10 km30 km60 km120 km N Washington County 83 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
no reports yet
Nearest
Washington County, 83 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1843 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 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 45.3115, -66.6753. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Washington County, ME 83 km (51 mi) ENE of here earthquakes near Washington County

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

Aftershocks so far

14 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 11 km WNW of Saint John, Canada
  5. 1.6 26 km NW of Saint John, Canada
  6. 1.8 24 km ENE of Saint Andrews, Canada
  7. 1.7 34 km SSE of Oromocto, Canada
  8. 2.0 14 km NNE of Eastport, Maine
  9. 1.7 37 km ENE of Saint Andrews, Canada
  10. 1.7 29 km S of Oromocto, Canada
  11. 1.7 9 km E of Saint Andrews, Canada
  12. 2.0 25 km WNW of Wells, Canada
  13. 2.2 30 km SSW of Oromocto, Canada
  14. 2.6 8 km SE of Saint Andrews, Canada

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.