M2.9 earthquake 4 km NNE of Stanley, Idaho
A magnitude 2.9 earthquake struck 4 km NNE of Stanley, Idaho on Sat, Sep 5, 2026, 4:03 AM MDT (10:03 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.3 23 km NW of Stanley, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.9 (ml), micro
- Local time
- UTC
- 2026-09-05 10:03:21 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 44.259° N, 114.923° W
- Region
- Idaho
- Felt reports
- 5
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
5 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 57°
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 since this one and 5 in the 30 days before it.
After
- 3.323 km NW of Stanley, Idaho · 16 days ago · 10 km deep · 22 km away · felt by 3
- 3.223 km NW of Stanley, Idaho · 10 days ago · 10 km deep · 22 km away
Before
- 1.725 km SSE of Challis, Idaho · 27 days ago · 9 km deep · 69 km away
- 2.08 km SSW of Challis, Idaho · 36 days ago · 9 km deep · 55 km away
- 1.652 km NNW of Challis, Idaho · 41 days ago · 12 km deep · 77 km away
- 2.823 km WNW of Stanley, Idaho · 41 days ago · 15 km deep · 24 km away
- 2.37 km E of Challis, Idaho · 44 days ago · 10 km deep · 68 km away
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000tein. Read Tue, Sep 22, 2026, 10:46 AM UTC.