Utah earthquakes

M1.9 earthquake 11 km SW of Thatcher, Utah

A magnitude 1.9 earthquake struck 11 km SW of Thatcher, Utah on Mon, Sep 3, 2018, 6:11 AM MDT (12:11 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.8 13 km S of Snowville, Utah. This one was a foreshock.

Thatcher forecastMore in Utah

Map

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

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-09-03 12:11:49 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
41.623° N, 112.396° 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 0.3 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
85°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.311 km SW of Thatcher, Utah · 2951 days ago · 8 km deep · 0 km away · felt by 1
  2. 1.611 km SW of Thatcher, Utah · 2943 days ago · 4 km deep · 0 km away
  3. 1.514 km NNW of Henefer, Utah · 2939 days ago · 12 km deep · 89 km away
  4. 2.014 km ESE of Huntsville, Utah · 2930 days ago · 9 km deep · 80 km away
  5. 1.68 km E of Snowville, Utah · 2911 days ago · 6 km deep · 42 km away
  6. 2.813 km S of Snowville, Utah · 2907 days ago · 5 km deep · 35 km away
  7. 1.713 km S of Snowville, Utah · 2907 days ago · 3 km deep · 35 km away
  8. 2.013 km S of Snowville, Utah · 2907 days ago · 6 km deep · 34 km away
  9. 2.813 km S of Snowville, Utah · 2907 days ago · 2 km deep · 35 km away
  10. 2.220 km NNW of Grantsville, Utah · 2900 days ago · 6 km deep · 98 km away
  11. 2.819 km NNW of Grantsville, Utah · 2900 days ago · 4 km deep · 99 km away · felt by 4
  12. 1.820 km NNW of Grantsville, Utah · 2900 days ago · 5 km deep · 97 km away
  13. 1.620 km NNW of Grantsville, Utah · 2898 days ago · 7 km deep · 98 km away
  14. 1.527 km SSE of Rockland, Idaho · 2896 days ago · 3 km deep · 85 km away
  15. 1.820 km NW of Grantsville, Utah · 2894 days ago · 5 km deep · 98 km away
  16. 1.55 km NNE of Morgan, Utah · 2892 days ago · 7 km deep · 86 km away

Before

  1. 1.712 km SW of Thatcher, Utah · 2952 days ago · 6 km deep · 1 km away
  2. 2.313 km SSE of Snowville, Utah · 2954 days ago · 9 km deep · 33 km away · felt by 2
  3. 1.552 km SW of Howell, Utah · 2965 days ago · 9 km deep · 47 km away
  4. 1.63 km SW of West Point, Utah · 2971 days ago · 9 km deep · 63 km away
  5. 1.751 km SW of Howell, Utah · 2975 days ago · 9 km deep · 46 km away
  6. 1.515 km E of North Logan, Utah · 2978 days ago · 12 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60295152. Read Fri, Oct 2, 2026, 11:48 AM UTC.