M4.1 earthquake 17 km SE of Challis, Idaho
A magnitude 4.1 earthquake struck 17 km SE of Challis, Idaho on Tue, Oct 29, 1985, 2:30 PM MST (21:30 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (ml), light
- Local time
- UTC
- 1985-10-29 21:30:34 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.392° N, 114.075° 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: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.215 km SSE of Challis, Idaho · 14938 days ago · 5 km deep · 7 km away
- 3.434 km SE of Clayton, Idaho · 14905 days ago · 5 km deep · 35 km away
- 3.028 km ESE of Leadore, Idaho · 14895 days ago · 5 km deep · 83 km away
- 2.717 km ENE of Clayton, Idaho · 14893 days ago · 5 km deep · 13 km away
Before
- 3.06 km NW of Challis, Idaho · 14948 days ago · 5 km deep · 24 km away
- 3.18 km SE of Challis, Idaho · 14959 days ago · 5 km deep · 9 km away
- 3.37 km SE of Challis, Idaho · 14959 days ago · 5 km deep · 10 km away
- 2.415 km S of Challis, Idaho · 14962 days ago · 5 km deep · 15 km away
- 2.414 km NE of Clayton, Idaho · 14962 days ago · 5 km deep · 16 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002m9c. Read Wed, Sep 23, 2026, 2:49 AM UTC.