M2.1 earthquake 3 km NNW of Sunnyside, Utah

Magnitude

2.1 (md), micro

Local time

Wed, Aug 19, 1981, 2:38 AM MDT

UTC

1981-08-19 08:38:44 UTC

Depth

11.4 km (7.1 mi), shallow

Epicenter

39.577° N, 110.400° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.4 km horizontally, 1.8 km in depth

Depth from

From location

Station coverage gap

232°, poorly surrounded by stations

Stations used

8

• East Carbon City, UtahPopulation 1,270. Forecast3 kmNNE
• Springville, UtahPopulation 32,286. Forecast122 kmESE
• Provo, UtahPopulation 115,162. Forecast130 kmSE
• Phoenix, ArizonaPopulation 1,650,070. Forecast698 kmNNE

After

1. 2.3UtahSun, Aug 23, 9:15 AM MDT · 16466 days ago · 0 km deep · 2 km away
2. 1.89 km NNW of Orangeville, UtahTue, Aug 25, 8:12 AM MDT · 16464 days ago · 5 km deep · 68 km away
3. 1.94 km N of Clear Creek, UtahTue, Aug 25, 1:49 PM MDT · 16464 days ago · 2 km deep · 65 km away
4. 1.944 km ESE of Emery, UtahThu, Aug 27, 2:14 PM MDT · 16462 days ago · 10 km deep · 90 km away
5. 2.14 km SSW of Hiawatha, UtahWed, Sep 2, 5:42 PM MDT · 16456 days ago · 5 km deep · 56 km away
6. 1.88 km NNW of Orangeville, UtahFri, Sep 4, 5:24 PM MDT · 16454 days ago · 6 km deep · 67 km away
7. 2.042 km WSW of Green River, UtahWed, Sep 9, 1:21 PM MDT · 16449 days ago · 7 km deep · 78 km away
8. 2.111 km W of Huntington, UtahFri, Sep 18, 3:18 AM MDT · 16440 days ago · 6 km deep · 65 km away
9. 1.810 km W of Huntington, UtahFri, Sep 18, 11:59 PM MDT · 16439 days ago · 7 km deep · 65 km away
10. 2.312 km W of Huntington, UtahSat, Sep 19, 4:29 AM MDT · 16439 days ago · 8 km deep · 66 km away
11. 3.37 km NNE of Sunnyside, UtahMon, Sep 21, 2:01 AM MDT · 16437 days ago · 5 km deep · 6 km away
12. 3.05 km N of East Carbon City, UtahMon, Sep 21, 11:02 PM MDT · 16436 days ago · 7 km deep · 3 km away
13. 3.27 km N of East Carbon City, UtahMon, Sep 21, 11:03 PM MDT · 16436 days ago · 3 km deep · 5 km away
14. 2.514 km W of Huntington, UtahFri, Sep 25, 4:05 AM MDT · 16433 days ago · 8 km deep · 68 km away
15. 1.89 km NNW of Orangeville, UtahSat, Sep 26, 12:53 PM MDT · 16432 days ago · 7 km deep · 68 km away
16. 2.511 km W of Huntington, UtahSun, Sep 27, 6:44 AM MDT · 16431 days ago · 7 km deep · 65 km away
17. 1.911 km NNW of Orangeville, UtahSun, Sep 27, 8:34 AM MDT · 16431 days ago · 6 km deep · 67 km away
18. 2.09 km NNW of Orangeville, UtahTue, Sep 29, 8:53 PM MDT · 16429 days ago · 11 km deep · 67 km away
19. 1.77 km W of Huntington, UtahTue, Sep 29, 10:33 PM MDT · 16428 days ago · 6 km deep · 62 km away
20. 1.53 km SSW of Scofield, UtahWed, Oct 7, 4:43 PM MDT · 16421 days ago · 6 km deep · 68 km away
21. 1.811 km W of Huntington, UtahMon, Oct 12, 7:15 PM MDT · 16416 days ago · 12 km deep · 65 km away

Before

1. 2.413 km W of Huntington, UtahFri, Aug 14, 12:19 PM MDT · 16475 days ago · 6 km deep · 67 km away
2. 2.412 km W of Huntington, UtahSun, Aug 9, 5:53 AM MDT · 16480 days ago · 6 km deep · 66 km away
3. 1.86 km W of Huntington, UtahSat, Aug 8, 6:50 AM MDT · 16481 days ago · 12 km deep · 61 km away
4. 2.511 km NNE of Wellington, UtahFri, Aug 7, 1:47 PM MDT · 16482 days ago · 10 km deep · 24 km away
5. 2.511 km W of Huntington, UtahTue, Aug 4, 11:02 PM MDT · 16484 days ago · 4 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50002330. Read Tue, Sep 22, 2026, 3:09 PM UTC.