M2.8 earthquake 23 km WNW of Stanley, Idaho
A magnitude 2.8 earthquake struck 23 km WNW of Stanley, Idaho on Wed, Aug 12, 2026, 12:11 AM MDT (06:11 UTC), 15 km (10 mi) below the surface.
A larger quake followed: M2.9 4 km NNE 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
- 2.8 (ml), micro
- Local time
- UTC
- 2026-08-12 06:11:48 UTC
- Depth
- 15.3 km (9.5 mi), shallow
- Epicenter
- 44.272° N, 115.225° W
- Region
- Idaho
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.0 km horizontally, 7.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 38°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 since this one and 2 in the 30 days before it.
After
- 1.652 km NNW of Challis, Idaho · 41 days ago · 12 km deep · 87 km away
- 2.08 km SSW of Challis, Idaho · 36 days ago · 9 km deep · 78 km away
- 1.725 km SSE of Challis, Idaho · 27 days ago · 9 km deep · 93 km away
- 2.94 km NNE of Stanley, Idaho · 17 days ago · 10 km deep · 24 km away · felt by 5
- 3.323 km NW of Stanley, Idaho · 16 days ago · 10 km deep · 8 km away · felt by 3
- 3.223 km NW of Stanley, Idaho · 11 days ago · 10 km deep · 9 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tk5q (also filed as mb90205033). Read Tue, Sep 22, 2026, 4:16 PM UTC.