QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

8 km NW of Garden City, Utah

· 1.1 km deep · released about 25 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Bear Lake County 35 kmFranklin County 35 kmCache County 36 kmRich County 45 kmLincoln County 71 kmWeber County 87 kmCaribou County 88 kmOneida County 89 kmBannock County 100 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 1.9 (ml)
Depth
1.1 km below the surface
Felt
no reports yet
Nearest
Bear Lake County, 35 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2589 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 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 620,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 440,000× the energy of this one
  3. Around the size people start to feel M 3.0 39× the energy of this one
  4. This earthquake M 1.9 about 25 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 41.9918, -111.4758. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Bear Lake County, ID 35 km (22 mi) SSW of here earthquakes near Bear Lake County
Franklin County, ID 35 km (22 mi) SE of here earthquakes near Franklin County
Cache County, UT 36 km (23 mi) NE of here earthquakes near Cache County
Rich County, UT 45 km (28 mi) NNW of here earthquakes near Rich County
Lincoln County, WY 71 km (44 mi) WSW of here earthquakes near Lincoln County
Weber County, UT 87 km (54 mi) NNE of here earthquakes near Weber County

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

Aftershocks so far

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

  1. 1.8 11 km E of Providence, Utah
  2. 1.7 13 km E of North Logan, Utah
  3. 2.0 5 km NNW of Paris, Idaho
  4. 1.6 12 km ENE of Paradise, Utah
  5. 1.8 14 km ESE of Richmond, Utah
  6. 1.8 12 km WSW of Georgetown, Idaho
  7. 1.9 3 km N of Amalga, Utah
  8. 1.5 16 km W of Garden, Utah
  9. 1.5 20 km NW of Paris, Idaho
  10. 1.7 12 km ESE of Millville, Utah
  11. 1.7 10 km WSW of Garden, Utah
  12. 2.3 10 km WSW of Garden, Utah
  13. 1.6 10 km WSW of Garden, Utah
  14. 1.6 10 km WSW of Garden, Utah
  15. 1.6 12 km ENE of Avon, 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.