Wyoming earthquakes

M1.8 earthquake 33 km SSW of Dubois, Wyoming

A magnitude 1.8 earthquake struck 33 km SSW of Dubois, Wyoming on Sat, Nov 6, 2021, 5:51 PM MDT (23:51 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 9 km W of Bondurant, Wyoming. This one was a foreshock.

Dubois forecastMore in Wyoming

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2021-11-06 23:51:28 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
43.247° N, 109.761° 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.

Location uncertainty
About 1.4 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
166°
Stations used
11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 1.517 km ENE of Bondurant, Wyoming · 1791 days ago · 6 km deep · 37 km away
  2. 2.029 km ESE of Kelly, Wyoming · 1789 days ago · 8 km deep · 52 km away
  3. 2.533 km SSW of Dubois, Wyoming · 1786 days ago · 10 km deep · 1 km away
  4. 2.211 km E of Kelly, Wyoming · 1783 days ago · 6 km deep · 71 km away
  5. 1.99 km W of Bondurant, Wyoming · 1780 days ago · 10 km deep · 62 km away
  6. 2.011 km WSW of Bondurant, Wyoming · 1780 days ago · 4 km deep · 63 km away
  7. 1.532 km ESE of Kelly, Wyoming · 1778 days ago · 5 km deep · 50 km away
  8. 2.0Wyoming · 1777 days ago · 0 km deep · 96 km away
  9. 1.99 km W of Bondurant, Wyoming · 1777 days ago · 8 km deep · 63 km away
  10. 1.612 km NE of Bondurant, Wyoming · 1771 days ago · 6 km deep · 42 km away
  11. 2.69 km W of Bondurant, Wyoming · 1733 days ago · 3 km deep · 62 km away
  12. 1.67 km WNW of Bondurant, Wyoming · 1733 days ago · 13 km deep · 59 km away
  13. 2.38 km W of Bondurant, Wyoming · 1733 days ago · 3 km deep · 61 km away

Before

  1. 1.624 km ESE of Kelly, Wyoming · 1793 days ago · 3 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80529439. Read Sun, Oct 4, 2026, 3:59 PM UTC.