QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7ml

Earthquake near Fairfield, ME

USGS: 4 km WNW of Fairfield, Maine

1:24 am EST, Jan 19, 2018 · · 5.9 km deep · released about 11 lb of TNT

10 km30 km60 km120 km N Kennebec County 22 kmWaldo County 45 kmAndroscoggin County 65 kmLincoln County 68 kmFranklin County 73 kmSagadahoc County 77 kmKnox County 79 kmOxford County 87 kmHancock County 102 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
1:24 am EST on 19 January 2018 ()
Where
4 km (3 mi) WNW of Fairfield, ME · earthquakes near Fairfield
Magnitude
M 1.7 (ml)
Depth
5.9 km below the surface
Felt
no reports yet
Nearest
Kennebec County, 22 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3098 days ago

A magnitude 1.7 earthquake was recorded 4 km (3 mi) WNW of Fairfield, ME, at 1:24 am EST on 19 January 2018 (06:24 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Waterville, Winslow, Benton, Oakland, Clinton, Vassalboro.

How big was it?

This earthquake released about 11 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,400,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 89× the energy of this one
  4. This earthquake M 1.7 about 11 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 44.5996, -69.6516. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Kennebec County, ME 22 km (14 mi) SSW earthquakes near Kennebec County
Waldo County, ME 45 km (28 mi) ESE earthquakes near Waldo County
Androscoggin County, ME 65 km (41 mi) SW earthquakes near Androscoggin County
Lincoln County, ME 68 km (42 mi) S earthquakes near Lincoln County
Franklin County, ME 73 km (46 mi) NW earthquakes near Franklin County
Sagadahoc County, ME 77 km (48 mi) SSW earthquakes near Sagadahoc County

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

Aftershocks so far

12 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. 1.9 3 km SSW of Embden, Maine
  5. 1.8 3 km SE of Morrill, Maine
  6. 2.8 6 km W of Gardiner, Maine
  7. 2.1 6 km NNE of Windsor, Maine
  8. 1.8 9 km N of Oakland, Maine
  9. 1.6 3 km ENE of Smithfield, Maine
  10. 1.5 Maine
  11. 2.0 2 km WNW of China, Maine
  12. 2.2 4 km NNW of Vienna, 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.