M1.5 earthquake 4 km SSW of Thatcher, Utah

Magnitude

1.5 (Md, duration), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Sat, Sep 11, 2021, 11:43 PM MDT

UTC

2021-09-12 05:43:43 UTC

Depth

6.7 km (4.1 mi), shallow

Epicenter

41.657° N, 112.319° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.24

Depth from

From location

Station coverage gap

82°

Stations used

18

• Thatcher, UtahPopulation 789. Forecast5 kmSSW
• Brigham City, UtahPopulation 18,752. Forecast30 kmWNW
• Salt Lake City, UtahPopulation 215,548. Forecast106 kmNNW

After

1. 2.15 km SSW of Thatcher, UtahSun, Sep 12, 9:56 AM MDT · 1847 days ago · 6 km deep · 1 km away
2. 2.25 km SSW of Thatcher, UtahSun, Sep 12, 10:14 AM MDT · 1847 days ago · 5 km deep · 1 km away
3. 2.35 km SSW of Thatcher, UtahSun, Sep 12, 12:06 PM MDT · 1847 days ago · 6 km deep · 0 km away
4. 2.016 km S of Snowville, UtahTue, Sep 14, 2:41 PM MDT · 1845 days ago · 7 km deep · 38 km away
5. 2.017 km S of Snowville, UtahTue, Sep 14, 6:30 PM MDT · 1844 days ago · 4 km deep · 37 km away
6. 1.62 km WNW of West Point, UtahFri, Sep 24, 9:33 AM MDT · 1835 days ago · 9 km deep · 61 km away
7. 1.75 km SE of Snowville, UtahFri, Sep 24, 10:37 AM MDT · 1835 days ago · 2 km deep · 42 km away
8. 2.15 km SSE of Snowville, UtahFri, Sep 24, 10:51 AM MDT · 1835 days ago · -3 km deep · 42 km away
9. 2.25 km SE of Snowville, UtahSat, Sep 25, 10:21 PM MDT · 1833 days ago · 3 km deep · 41 km away
10. 2.16 km SE of Snowville, UtahTue, Sep 28, 4:25 PM MDT · 1831 days ago · -2 km deep · 41 km away
11. 1.85 km SE of Snowville, UtahTue, Sep 28, 4:26 PM MDT · 1831 days ago · 3 km deep · 42 km away
12. 1.77 km SE of Snowville, UtahTue, Sep 28, 5:51 PM MDT · 1830 days ago · 2 km deep · 39 km away · felt by 4
13. 1.520 km NW of Paris, IdahoMon, Oct 4, 3:03 PM MDT · 1825 days ago · 4 km deep · 99 km away
14. 1.55 km SSE of Snowville, UtahTue, Oct 5, 3:49 PM MDT · 1824 days ago · 2 km deep · 42 km away
15. 1.976 km E of Montello, NevadaSun, Oct 17, 2:09 AM MDT · 1812 days ago · 9 km deep · 87 km away
16. 2.318 km W of Portage, UtahThu, Nov 4, 1:00 AM MDT · 1794 days ago · 5 km deep · 36 km away
17. 1.717 km W of Portage, UtahSat, Nov 6, 5:42 AM MDT · 1792 days ago · 5 km deep · 36 km away

Before

1. 2.65 km SSW of Thatcher, UtahSat, Sep 11, 11:10 AM MDT · 1848 days ago · 4 km deep · 1 km away · felt by 2
2. 1.965 km W of Hooper, UtahWed, Sep 1, 2:41 PM MDT · 1858 days ago · 1 km deep · 75 km away
3. 2.24 km E of Huntsville, UtahSat, Aug 28, 6:15 PM MDT · 1861 days ago · 12 km deep · 66 km away
4. 1.94 km E of Huntsville, UtahSat, Aug 28, 5:54 PM MDT · 1861 days ago · 12 km deep · 66 km away
5. 1.712 km ESE of Millville, UtahThu, Aug 26, 9:49 AM MDT · 1864 days ago · 5 km deep · 53 km away
6. 1.710 km WSW of Garden, UtahSat, Aug 21, 2:25 PM MDT · 1869 days ago · 7 km deep · 72 km away
7. 2.310 km WSW of Garden, UtahFri, Aug 20, 7:43 PM MDT · 1869 days ago · 7 km deep · 71 km away
8. 1.610 km WSW of Garden, UtahFri, Aug 20, 1:34 AM MDT · 1870 days ago · 6 km deep · 71 km away
9. 1.818 km NNW of Magna, UtahWed, Aug 18, 7:23 PM MDT · 1871 days ago · 3 km deep · 89 km away
10. 1.610 km WSW of Garden, UtahTue, Aug 17, 12:14 PM MDT · 1873 days ago · 6 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60457292. Read Sat, Oct 3, 2026, 11:07 AM UTC.