Wyoming earthquakes

M1.7 earthquake 11 km SW of Bear River, Wyoming

A magnitude 1.7 earthquake struck 11 km SW of Bear River, Wyoming on Fri, Feb 6, 1987, 6:53 AM MST (13:53 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.2 5 km ENE of Daniel, Utah. This one was a foreshock.

Bear River 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
1.7 (md), micro
Local time
UTC
1987-02-06 13:53:14 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
41.315° N, 111.134° 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 1.7 km horizontally, 18.3 km in depth
Depth from
From location
Station coverage gap
192°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.25 km ENE of Daniel, Utah · 14471 days ago · 13 km deep · 94 km away
  2. 2.514 km WSW of Corinne, Utah · 14470 days ago · 19 km deep · 97 km away
  3. 2.315 km WSW of Corinne, Utah · 14469 days ago · 5 km deep · 97 km away
  4. 1.65 km ENE of Daniel, Utah · 14456 days ago · 8 km deep · 95 km away
  5. 1.826 km SSW of Evanston, Wyoming · 14450 days ago · 6 km deep · 31 km away
  6. 3.512 km N of Tabiona, Utah · 14447 days ago · 15 km deep · 100 km away
  7. 1.98 km E of Huntsville, Utah · 14431 days ago · 10 km deep · 45 km away
  8. 1.88 km E of Huntsville, Utah · 14431 days ago · 7 km deep · 45 km away
  9. 2.28 km NW of Garden City, Utah · 14428 days ago · -3 km deep · 81 km away
  10. 2.27 km NW of Garden City, Utah · 14428 days ago · -2 km deep · 80 km away
  11. 1.68 km NW of Garden City, Utah · 14428 days ago · -2 km deep · 81 km away

Before

  1. 2.25 km ESE of Heber City, Utah · 14487 days ago · 8 km deep · 94 km away
  2. 1.525 km SSW of Evanston, Wyoming · 14491 days ago · 4 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50031480. Read Tue, Sep 22, 2026, 9:39 PM UTC.