Earthquake · reviewed by a seismologist
M 2.6ml
Earthquake near Kemmerer, WY
No earthquake was likely felt in Kemmerer in the 24 hours to 1:08 pm MST (20:08 UTC). The last one was M 3.8, 61 km (38 mi) E, at 11:25 pm MDT on 11 September 2026, estimated intensity II (weak) in town; 1 felt report to USGS. Every earthquake near Kemmerer
This page: a magnitude 2.6 earthquake was recorded 39 km (24 mi) west of Kemmerer, WY, at 3:12 am MDT on 7 October 2018 (09:12 UTC), 8.5 km deep.
USGS: 20 km NE of Randolph, Utah
- When
- 3:12 am MDT on 7 October 2018 ()
- Where
- 39 km (24 mi) west of Kemmerer, WY · earthquakes near Kemmerer
- Magnitude
- M 2.6 (ml)
- Depth
- 8.5 km below the surface
- Felt
- no reports yet
- Nearest
- Rich County, 27 km SW
- Nearest mapped fault
- Rock Creek fault, 15 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 2890 days ago
Earthquake alerts for Kemmerer, WY
Get a notification in this browser when USGS records an earthquake near Kemmerer, WY. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.
At this magnitude and depth, people at rest would likely notice it out to about 22 km (14 mi) from the epicentre. In Kemmerer, 39 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.
How big was it?
This earthquake released about 260 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 59,000× the energy of this one
- Magna, Utah 2020 M 5.7 42,000× the energy of this one
- Around the size people start to feel M 3.0 3.7× the energy of this one
- This earthquake M 2.6 about 260 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
No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.
Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:
- 5.8 8 km W of Garden City, Utah · 43 km WNW 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 41.7990, -111.0102. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Rich County, UT | 27 km (17 mi) | SW | earthquakes near Rich County |
| Lincoln County, WY | 55 km (34 mi) | NNE | earthquakes near Lincoln County |
| Bear Lake County, ID | 60 km (37 mi) | NNW | earthquakes near Bear Lake County |
| Cache County, UT | 61 km (38 mi) | W | earthquakes near Cache County |
| Uinta County, WY | 68 km (43 mi) | SSE | earthquakes near Uinta County |
| Franklin County, ID | 79 km (49 mi) | WNW | earthquakes near Franklin County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
55 earthquakes have been recorded within 50 km since this one.
- 1.7 8 km NW of Garden City, Utah
- 2.3 12 km SW of Saint Charles, Idaho
- 1.7 19 km NE of Bear River, Wyoming
- 2.8 10 km N of Bear River, Wyoming
- 1.8 7 km SW of Saint Charles, Idaho
- 1.8 16 km E of Saint Charles, Idaho
- 2.0 7 km WNW of Woodruff, Utah
- 2.5 10 km WSW of Garden, Utah
- 2.3 14 km SW of Garden, Utah
- 1.9 16 km NNW of Taylor, Wyoming
- 1.8 18 km NNW of Taylor, Wyoming
- 1.8 17 km NNW of Taylor, Wyoming
- 1.5 17 km NNW of Taylor, Wyoming
- 2.5 17 km NNW of Taylor, Wyoming
- 1.5 18 km NNW of Taylor, 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.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.