M3.1 earthquake 26 km NW of Clayton, Idaho
A magnitude 3.1 earthquake struck 26 km NW of Clayton, Idaho on Mon, Mar 25, 1985, 12:55 AM MST (07:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.2 14 km ENE 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
- 3.1 (ml), minor
- Local time
- UTC
- 1985-03-25 07:55:08 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 44.444° N, 114.620° 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: 10 in the 60 days after this one and 6 in the 30 days before it.
After
- 3.130 km NW of Mackay, Idaho · 15150 days ago · 5 km deep · 71 km away
- 3.214 km ENE of Clayton, Idaho · 15141 days ago · 10 km deep · 35 km away
- 3.030 km WNW of Mackay, Idaho · 15136 days ago · 5 km deep · 72 km away
- 3.3Idaho-Montana border region · 15134 days ago · 10 km deep · 94 km away
- 3.34 km SW of Challis, Idaho · 15131 days ago · 10 km deep · 28 km away
- 3.15 km SW of Challis, Idaho · 15114 days ago · 5 km deep · 28 km away
- 3.023 km S of Clayton, Idaho · 15111 days ago · 5 km deep · 48 km away
- 3.113 km NE of Challis, Idaho · 15110 days ago · 5 km deep · 44 km away
- 3.225 km NW of Mackay, Idaho · 15108 days ago · 5 km deep · 74 km away
- 3.012 km NNW of Clayton, Idaho · 15108 days ago · 5 km deep · 15 km away
Before
- 3.441 km ESE of Challis, Idaho · 15158 days ago · 5 km deep · 67 km away
- 3.539 km ESE of Challis, Idaho · 15158 days ago · 5 km deep · 68 km away
- 3.18 km SSE of Clayton, Idaho · 15159 days ago · 10 km deep · 35 km away
- 4.56 km NE of Challis, Idaho · 15165 days ago · 10 km deep · 37 km away
- 3.14 km SE of Challis, Idaho · 15183 days ago · 10 km deep · 35 km away
- 3.33 km E of Challis, Idaho · 15184 days ago · 10 km deep · 35 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002d6g. Read Tue, Sep 22, 2026, 10:31 PM UTC.