M3.1 earthquake 6 km S of Challis, Idaho
A magnitude 3.1 earthquake struck 6 km S of Challis, Idaho on Wed, Jan 15, 1986, 7:01 PM MST (02:01 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M4.0 37 km NW of Mackay, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1986-01-16 02:01:58 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.447° N, 114.232° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.037 km NW of Mackay, Idaho · 14847 days ago · 5 km deep · 40 km away
- 3.736 km ESE of Clayton, Idaho · 14847 days ago · 5 km deep · 37 km away
- 3.319 km SE of Clayton, Idaho · 14847 days ago · 5 km deep · 34 km away
- 2.819 km ESE of Clayton, Idaho · 14839 days ago · 5 km deep · 31 km away
- 2.715 km SSE of Challis, Idaho · 14835 days ago · 5 km deep · 10 km away
- 3.713 km NNE of Challis, Idaho · 14818 days ago · 5 km deep · 20 km away
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002q3e. Read Tue, Sep 22, 2026, 6:56 AM UTC.