M3.0 earthquake 31 km WNW of Lima, Montana
A magnitude 3.0 earthquake struck 31 km WNW of Lima, Montana on Tue, Apr 9, 1985, 11:10 PM MST (06:10 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M3.3 Idaho-Montana border region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1985-04-10 06:10:18 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.776° N, 112.933° W
- Region
- Montana
- 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 2 in the 30 days before it.
After
- 3.3Idaho-Montana border region · 15133 days ago · 10 km deep · 78 km away
- 3.536 km ENE of Lima, Montana · 15127 days ago · 5 km deep · 63 km away
- 3.113 km NE of Challis, Idaho · 15109 days ago · 5 km deep · 96 km away
- 3.125 km WNW of Lima, Montana · 15089 days ago · 5 km deep · 9 km away
- 2.927 km NW of Lima, Montana · 15081 days ago · 5 km deep · 8 km away
- 3.028 km NNW of Lima, Montana · 15080 days ago · 5 km deep · 22 km away
Before
Earthquakes todayMontana earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002dnj. Read Tue, Sep 22, 2026, 9:07 AM UTC.