QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2ml

35 km W of Freedom, Idaho

· 0.8 km deep · released about 52 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Caribou County 27 kmBonneville County 43 kmBannock County 72 kmBingham County 78 kmBear Lake County 83 kmTeton County 85 kmMadison County 86 kmFranklin County 99 kmLincoln County 109 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 2.2 (ml)
Depth
0.8 km below the surface
Felt
no reports yet
Nearest
Caribou County, 27 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2160 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 52 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 290,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 200,000× the energy of this one
  3. Around the size people start to feel M 3.0 18× the energy of this one
  4. This earthquake M 2.2 about 52 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 43.0225, -111.4715. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Caribou County, ID 27 km (17 mi) NNE of here earthquakes near Caribou County
Bonneville County, ID 43 km (27 mi) SSE of here earthquakes near Bonneville County
Bannock County, ID 72 km (45 mi) ENE of here earthquakes near Bannock County
Bingham County, ID 78 km (49 mi) ESE of here earthquakes near Bingham County
Bear Lake County, ID 83 km (51 mi) N of here earthquakes near Bear Lake County
Teton County, ID 85 km (53 mi) SSW of here earthquakes near Teton County

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

Aftershocks so far

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

  1. 1.6 11 km ESE of Soda Springs, Idaho
  2. 2.3 10 km E of Soda Springs, Idaho
  3. 2.6 13 km NNW of Georgetown, Idaho
  4. 1.6 southern Idaho
  5. 1.7 8 km NW of Alpine Northwest, Wyoming
  6. 1.7 20 km NNE of Georgetown, Idaho
  7. 1.6 20 km WSW of Fairview, Wyoming
  8. 2.3 20 km WSW of Fairview, Wyoming
  9. 2.2 13 km N of Georgetown, Idaho
  10. 3.0 13 km NNW of Georgetown, Idaho
  11. 1.6 31 km WNW of Freedom, Idaho
  12. 2.6 13 km ESE of Soda Springs, Idaho
  13. 2.1 2 km NW of Alpine Northeast, Wyoming
  14. 1.8 12 km SE of Soda Springs, Idaho
  15. 1.6 3 km ENE of Alpine Northeast, Wyoming

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.

For this area

The largest earthquake within 50 km in our catalogue was M 5.3 on 2017-09-02 — it released about 51,000 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.