QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

18 km ENE of Snowville, Utah

· 6.6 km deep · released about 22 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Oneida County 16 kmFranklin County 59 kmBox Elder County 65 kmCache County 72 kmBannock County 76 kmPower County 77 kmCassia County 95 kmWeber County 101 kmBear Lake County 101 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
6.6 km below the surface
Felt
no reports yet
Nearest
Oneida County, 16 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 412 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 22 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 5.8 680,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 480,000× the energy of this one
  3. Around the size people start to feel M 3.0 43× the energy of this one
  4. This earthquake M 1.9 about 22 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 42.0428, -112.5138. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Oneida County, ID 16 km (10 mi) S of here earthquakes near Oneida County
Franklin County, ID 59 km (37 mi) WSW of here earthquakes near Franklin County
Box Elder County, UT 65 km (40 mi) NE of here earthquakes near Box Elder County
Cache County, UT 72 km (45 mi) WNW of here earthquakes near Cache County
Bannock County, ID 76 km (47 mi) SSW of here earthquakes near Bannock County
Power County, ID 77 km (48 mi) SSE of here earthquakes near Power County

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

Aftershocks so far

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

  1. 2.1 15 km WNW of Howell, Utah
  2. 2.0 12 km NNE of Howell, Utah
  3. 1.7 30 km SSW of Snowville, Utah
  4. 2.5 25 km NNW of Snowville, Utah
  5. 2.3 26 km NNW of Snowville, Utah
  6. 1.6 2 km E of Malad City, Idaho
  7. 2.0 2 km ESE of Malad City, Idaho
  8. 1.7 4 km NE of Malad City, Idaho
  9. 2.4 2 km E of Malad City, Idaho
  10. 1.5 3 km ENE of Malad City, Idaho
  11. 1.6 3 km E of Malad City, Idaho
  12. 2.6 2 km ESE of Malad City, Idaho
  13. 1.8 2 km ESE of Malad City, Idaho
  14. 2.4 2 km ESE of Malad City, Idaho
  15. 1.6 3 km ESE of Malad City, Idaho

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.