Utah earthquakes

M1.6 earthquake 13 km W of Mona, Utah

A magnitude 1.6 earthquake struck 13 km W of Mona, Utah on Tue, Sep 28, 2021, 4:53 AM MDT (10:53 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 16 km SSW of Levan, Utah. This one was a foreshock.

Mona 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
1.6 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-09-28 10:53:13 UTC
Depth
0.2 km (0.1 mi), shallow
Epicenter
39.816° N, 112.010° 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 0.6 km horizontally, 14.3 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
145°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.710 km WNW of Helper, Utah · 1829 days ago · 2 km deep · 90 km away
  2. 1.59 km SE of Scipio, Utah · 1809 days ago · 14 km deep · 71 km away
  3. 2.317 km SSW of Levan, Utah · 1809 days ago · -1 km deep · 44 km away
  4. 3.216 km SSW of Levan, Utah · 1807 days ago · 7 km deep · 43 km away · felt by 8
  5. 2.116 km SSW of Levan, Utah · 1807 days ago · 4 km deep · 43 km away
  6. 1.715 km SW of Levan, Utah · 1807 days ago · 4 km deep · 42 km away
  7. 1.78 km SW of Levan, Utah · 1807 days ago · 13 km deep · 36 km away
  8. 1.915 km SSW of Levan, Utah · 1805 days ago · 4 km deep · 43 km away
  9. 2.416 km SSW of Levan, Utah · 1804 days ago · 5 km deep · 44 km away · felt by 1
  10. 1.612 km WSW of Levan, Utah · 1798 days ago · 12 km deep · 32 km away
  11. 1.76 km SSW of Rocky Ridge, Utah · 1796 days ago · 5 km deep · 15 km away
  12. 1.84 km ENE of Stansbury park, Utah · 1790 days ago · 3 km deep · 95 km away · felt by 13
  13. 1.98 km W of Spring Glen, Utah · 1789 days ago · 13 km deep · 92 km away
  14. 1.722 km S of Independence, Utah · 1783 days ago · 11 km deep · 74 km away

Before

  1. 1.75 km SSE of Sterling, Utah · 1850 days ago · 21 km deep · 80 km away
  2. 1.717 km SSW of Levan, Utah · 1857 days ago · 1 km deep · 44 km away
  3. 2.116 km SSW of Levan, Utah · 1857 days ago · 5 km deep · 43 km away
  4. 1.715 km SSW of Levan, Utah · 1857 days ago · 4 km deep · 43 km away
  5. 1.512 km E of Fairview, Utah · 1859 days ago · -3 km deep · 64 km away
  6. 1.63 km E of Magna, Utah · 1860 days ago · 8 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60460012. Read Sat, Oct 3, 2026, 4:52 PM UTC.