M2.0 earthquake 9 km NNE of Challis, Idaho
A magnitude 2.0 earthquake struck 9 km NNE of Challis, Idaho on Thu, Aug 24, 2017, 6:41 PM MDT (00:41 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M2.6 southern Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (ML, local (Richter)), micro
- Magnitude from
- Montana Bureau of Mines and Geology
- Local time
- UTC
- 2017-08-25 00:41:34 UTC
- Depth
- 10.3 km (6.4 mi), shallow
- Epicenter
- 44.588° N, 114.185° 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 0.6 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.32
- Depth from
- From location
- Station coverage gap
- 110°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.514 km W of Clayton, Idaho · 3323 days ago · 4 km deep · 48 km away
- 1.615 km WSW of Challis, Idaho · 3309 days ago · 7 km deep · 24 km away
- 1.911 km W of Clayton, Idaho · 3306 days ago · 10 km deep · 47 km away
- 2.19 km N of Stanley, Idaho · 3298 days ago · 10 km deep · 67 km away
- 2.18 km N of Stanley, Idaho · 3298 days ago · 4 km deep · 68 km away
- 2.6southern Idaho · 3292 days ago · 5 km deep · 31 km away · felt by 1
- 1.614 km W of Clayton, Idaho · 3283 days ago · 4 km deep · 48 km away
- 1.913 km W of Clayton, Idaho · 3275 days ago · 4 km deep · 47 km away
- 1.714 km SE of Challis, Idaho · 3273 days ago · 13 km deep · 21 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80247649. Read Fri, Oct 2, 2026, 8:53 PM UTC.