Utah earthquakes

M1.6 earthquake 7 km W of Sigurd, Utah

A magnitude 1.6 earthquake struck 7 km W of Sigurd, Utah on Tue, Dec 6, 1983, 10:06 AM MST (17:06 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.7 29 km SSW of Kanosh, Utah. This one was a foreshock.

Richfield forecastMore in Utah

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1983-12-06 17:06:18 UTC
Depth
0.6 km (0.3 mi), shallow
Epicenter
38.852° N, 112.049° W
Region
Utah
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 0.7 km horizontally, 4.0 km in depth
Depth from
From location
Station coverage gap
140°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 3.729 km SSW of Kanosh, Utah · 15637 days ago · 7 km deep · 56 km away
  2. 2.419 km S of Kanosh, Utah · 15637 days ago · 19 km deep · 45 km away
  3. 2.310 km NW of Fayette, Utah · 15637 days ago · 6 km deep · 48 km away
  4. 2.1Utah · 15636 days ago · 9 km deep · 65 km away
  5. 2.229 km SSW of Kanosh, Utah · 15635 days ago · 9 km deep · 55 km away
  6. 2.010 km NNW of Orangeville, Utah · 15631 days ago · 3 km deep · 98 km away
  7. 1.813 km NW of Orangeville, Utah · 15630 days ago · 3 km deep · 94 km away
  8. 2.522 km NW of Orangeville, Utah · 15618 days ago · 7 km deep · 90 km away
  9. 2.422 km NW of Orangeville, Utah · 15616 days ago · 6 km deep · 90 km away
  10. 1.89 km S of Scipio, Utah · 15616 days ago · 20 km deep · 35 km away
  11. 1.79 km E of Minersville, Utah · 15610 days ago · -3 km deep · 98 km away
  12. 3.118 km ESE of Mayfield, Utah · 15607 days ago · 4 km deep · 51 km away
  13. 1.820 km ESE of Mayfield, Utah · 15607 days ago · 3 km deep · 52 km away
  14. 1.727 km SSW of Kanosh, Utah · 15607 days ago · 1 km deep · 55 km away
  15. 2.37 km WNW of Fayette, Utah · 15606 days ago · 5 km deep · 44 km away
  16. 1.721 km ESE of Mayfield, Utah · 15605 days ago · 5 km deep · 51 km away
  17. 2.24 km NW of Junction, Utah · 15604 days ago · 2 km deep · 68 km away
  18. 1.610 km NNW of Orangeville, Utah · 15604 days ago · 6 km deep · 96 km away

Before

  1. 1.813 km SW of Beaver, Utah · 15659 days ago · 4 km deep · 95 km away

Earthquakes todayUtah earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50011640. Read Thu, Oct 1, 2026, 9:08 AM UTC.