QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5ml

Earthquake near Montpelier, ID

No earthquake was likely felt in Montpelier in the 24 hours to 12:11 am MST (07:11 UTC). The last one was M 2.5, 19 km (12 mi) WNW, at 9:59 pm MST on 7 November 2026, estimated intensity II (weak) in town. Every earthquake near Montpelier

This page: a magnitude 2.5 earthquake was recorded 21 km (13 mi) west-southwest of Montpelier, ID, at 4:19 am MDT on 29 September 2019 (10:19 UTC), 3.1 km deep.

USGS: 9 km W of Paris, Idaho

4:19 am MDT, Sep 29, 2019 · · 3.1 km deep · released about 160 lb of TNT

10 km30 km60 km120 km N Bear Lake County 17 kmFranklin County 26 kmCache County 59 kmCaribou County 61 kmLincoln County 69 kmRich County 71 kmBannock County 77 kmOneida County 83 kmWeber County 111 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
4:19 am MDT on 29 September 2019 ()
Where
21 km (13 mi) west-southwest of Montpelier, ID · earthquakes near Montpelier
Idaho today
every earthquake in Idaho in the last 24 hours
Magnitude
M 2.5 (ml)
Depth
3.1 km below the surface
Felt
no reports yet
Nearest
Bear Lake County, 17 km ENE
Nearest mapped fault
Western Bear Lake fault, 11 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2519 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 22 km (14 mi) from the epicentre. In Montpelier, 21 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Montpelier 21 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 160 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 95,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 68,000× the energy of this one
  3. Around the size people start to feel M 3.0 6× the energy of this one
  4. This earthquake M 2.5 about 160 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

The largest earthquake within 50 km since 2016 was M 5.3 on 2017-09-02 — about 17,000 times the energy of this one.

Before 2016, the USGS record lists 3 earthquakes of M5 or more within 50 km:

  1. 5.8 8 km W of Garden City, Utah · 33 km S of this epicentre
  2. 5.2 16 km ENE of North Logan, Utah · 48 km S of this epicentre
  3. 5.0 2 km S of Richmond, Utah · 45 km SSW of this epicentre

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 42.2353, -111.5212. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Bear Lake County, ID 17 km (11 mi) ENE earthquakes near Bear Lake County
Franklin County, ID 26 km (16 mi) WSW earthquakes near Franklin County
Cache County, UT 59 km (36 mi) SSW earthquakes near Cache County
Caribou County, ID 61 km (38 mi) N earthquakes near Caribou County
Lincoln County, WY 69 km (43 mi) E earthquakes near Lincoln County
Rich County, UT 71 km (44 mi) SSE earthquakes near Rich County

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

Aftershocks so far

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

  1. 2.4 3 km SW of Bloomington, Idaho
  2. 1.9 13 km ESE of Soda Springs, Idaho
  3. 1.6 14 km SW of Georgetown, Idaho
  4. 2.0 14 km SW of Georgetown, Idaho
  5. 2.0 13 km SW of Georgetown, Idaho
  6. 1.9 2 km W of Bennington, Idaho
  7. 1.9 3 km SE of Bennington, Idaho
  8. 2.6 1 km WSW of Bennington, Idaho
  9. 1.5 2 km SW of Bennington, Idaho
  10. 1.6 2 km WSW of Bennington, Idaho
  11. 2.4 1 km WSW of Bennington, Idaho
  12. 2.0 19 km SW of Fairview, Wyoming
  13. 1.8 7 km E of Soda Springs, Idaho
  14. 1.7 3 km E of Weston, Idaho
  15. 1.7 11 km E of Soda Springs, 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.