M3.3 earthquake 33 km W of Esterbrook, Wyoming
A magnitude 3.3 earthquake struck 33 km W of Esterbrook, Wyoming on Fri, Oct 19, 1984, 10:29 AM MDT (16:29 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.5 42 km W of Esterbrook, Wyoming. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1984-10-19 16:29:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 42.408° N, 105.772° 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.
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 3 in the 30 days before it.
After
- 3.542 km W of Esterbrook, Wyoming · 15312 days ago · 33 km deep · 8 km away
- 3.142 km W of Esterbrook, Wyoming · 15310 days ago · 33 km deep · 9 km away
- 3.230 km WSW of Esterbrook, Wyoming · 15308 days ago · 22 km deep · 11 km away
- 3.330 km WSW of Esterbrook, Wyoming · 15295 days ago · 33 km deep · 13 km away
- 2.938 km W of Esterbrook, Wyoming · 15265 days ago · 20 km deep · 6 km away
- 3.331 km W of Esterbrook, Wyoming · 15254 days ago · 33 km deep · 6 km away
Before
Earthquakes todayWyoming earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00028aa. Read Tue, Sep 22, 2026, 2:45 PM UTC.