M2.2 earthquake 1 km ENE of Challis, Idaho
A magnitude 2.2 earthquake struck 1 km ENE of Challis, Idaho on Wed, Oct 19, 2016, 2:52 AM MDT (08:52 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M2.2 14 km W of Clayton, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (ml), micro
- Local time
- UTC
- 2016-10-19 08:52:31 UTC
- Depth
- 13.1 km (8.1 mi), shallow
- Epicenter
- 44.510° N, 114.218° 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 0.5 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 105°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.
After
- 2.214 km W of Clayton, Idaho · 3631 days ago · 8 km deep · 40 km away
- 1.622 km ESE of Leadore, Idaho · 3626 days ago · 5 km deep · 91 km away
- 1.734 km WNW of Challis, Idaho · 3610 days ago · 1 km deep · 35 km away
- 1.635 km ESE of Clayton, Idaho · 3610 days ago · 5 km deep · 42 km away
- 1.59 km NW of Challis, Idaho · 3596 days ago · -3 km deep · 9 km away
- 1.912 km WNW of Clayton, Idaho · 3587 days ago · 9 km deep · 37 km away
- 1.622 km WNW of Challis, Idaho · 3576 days ago · -3 km deep · 23 km away
- 1.88 km NNW of Challis, Idaho · 3573 days ago · 7 km deep · 8 km away
Before
- 1.68 km NNW of Challis, Idaho · 3636 days ago · 3 km deep · 9 km away
- 1.72 km NW of Challis, Idaho · 3639 days ago · 5 km deep · 3 km away
- 1.814 km NE of Challis, Idaho · 3639 days ago · 5 km deep · 14 km away
- 1.916 km SSE of Challis, Idaho · 3643 days ago · 5 km deep · 16 km away
- 1.729 km ESE of Clayton, Idaho · 3649 days ago · 5 km deep · 40 km away
- 1.912 km SE of Challis, Idaho · 3657 days ago · 10 km deep · 12 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80185404. Read Wed, Sep 30, 2026, 3:30 AM UTC.