QuakeIndex

Earthquake · reviewed by a seismologist

M 2.9ml

10 km WNW of Dutch John, Utah

· 8.9 km deep · released about 720 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Daggett County 8 kmUintah County 93 kmSweetwater County 94 kmUinta County 95 kmDuchesne County 108 kmMoffat County 116 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 2.9 (ml)
Depth
8.9 km below the surface
Felt
1 report · strongest reported intensity III
Nearest
Daggett County, 8 km S
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1248 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 720 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 21,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 15,000× the energy of this one
  3. Around the size people start to feel M 3.0 1.3× the energy of this one
  4. This earthquake M 2.9 about 720 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 40.9640, -109.5098. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Daggett County, UT 8 km (5 mi) N of here earthquakes near Daggett County
Uintah County, UT 93 km (58 mi) N of here earthquakes near Uintah County
Sweetwater County, WY 94 km (58 mi) SW of here earthquakes near Sweetwater County
Uinta County, WY 95 km (59 mi) ESE of here earthquakes near Uinta County
Duchesne County, UT 108 km (67 mi) NE of here earthquakes near Duchesne County
Moffat County, CO 116 km (72 mi) WNW of here earthquakes near Moffat County

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

Aftershocks so far

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

  1. 3.1 24 km NNE of Maeser, Utah
  2. 3.1 18 km NNE of Maeser, Utah
  3. 3.3 16 km NNE of Maeser, Utah
  4. 3.0 21 km NNE of Maeser, Utah
  5. 3.1 20 km NNE of Maeser, Utah
  6. 3.4 22 km NNE of Vernal, Utah
  7. 3.2 18 km NNE of Maeser, Utah
  8. 3.1 20 km NNE of Maeser, Utah
  9. 3.3 25 km NNE of Maeser, Utah
  10. 3.1 15 km NNE of Maeser, Utah
  11. 3.2 15 km NNE of Maeser, Utah
  12. 3.3 17 km NNE of Maeser, Utah
  13. 3.1 18 km NNE of Maeser, Utah
  14. 3.4 18 km NNE of Vernal, Utah
  15. 3.2 20 km NNE of Maeser, Utah

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.