M3.5 earthquake 9 km SE of Alpine, Wyoming
A magnitude 3.5 earthquake struck 9 km SE of Alpine, Wyoming on Thu, Sep 19, 1985, 5:26 PM MDT (23:26 UTC), 8 km (5 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (ml), minor
- Local time
- UTC
- 1985-09-19 23:26:54 UTC
- Depth
- 7.8 km (4.8 mi), shallow
- Epicenter
- 43.118° N, 110.926° W
- Region
- Wyoming
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 8 in the 30 days before it.
Before
- 4.614 km SSE of Hoback, Wyoming · 14990 days ago · 5 km deep · 17 km away
- 3.66 km ESE of Alpine, Wyoming · 14991 days ago · 5 km deep · 4 km away
- 2.412 km NNW of Paris, Idaho · 14994 days ago · -1 km deep · 100 km away
- 4.210 km ESE of Alpine Northeast, Wyoming · 14997 days ago · 5 km deep · 6 km away
- 3.212 km E of Alpine Northeast, Wyoming · 15005 days ago · 5 km deep · 9 km away
- 3.412 km ESE of Alpine, Wyoming · 15005 days ago · 5 km deep · 5 km away
- 4.317 km ESE of Alpine, Wyoming · 15006 days ago · 5 km deep · 9 km away
- 4.812 km S of Hoback, Wyoming · 15006 days ago · 5 km deep · 13 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002jx9. Read Tue, Sep 22, 2026, 5:21 AM UTC.