M1.6 earthquake 10 km WSW of Thatcher, Utah

Magnitude

1.6 (md), micro

Local time

Fri, Jan 30, 1987, 2:45 PM MST

UTC

1987-01-30 21:45:29 UTC

Depth

0.1 km (0.0 mi), shallow

Epicenter

41.644° N, 112.398° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 13.9 km in depth

Depth from

From location

Station coverage gap

114°

Stations used

9

• Thatcher, UtahPopulation 789. Forecast10 kmWSW
• Brigham City, UtahPopulation 18,752. Forecast35 kmWNW
• Salt Lake City, UtahPopulation 215,548. Forecast107 kmNNW

After

1. 2.89 km ENE of Howell, UtahWed, Feb 4, 9:07 AM MST · 14475 days ago · 5 km deep · 21 km away
2. 2.514 km WSW of Corinne, UtahTue, Feb 10, 1:39 AM MST · 14469 days ago · 19 km deep · 20 km away
3. 2.315 km WSW of Corinne, UtahTue, Feb 10, 4:55 AM MST · 14469 days ago · 5 km deep · 20 km away
4. 2.178 km E of Montello, NevadaTue, Feb 17, 10:51 PM MST · 14461 days ago · 6 km deep · 80 km away
5. 1.917 km WNW of Paris, IdahoTue, Feb 17, 11:37 PM MST · 14461 days ago · 10 km deep · 98 km away
6. 3.910 km ENE of Howell, UtahWed, Feb 25, 5:30 AM MST · 14454 days ago · 5 km deep · 21 km away
7. 1.511 km ENE of Howell, UtahWed, Feb 25, 8:09 AM MST · 14454 days ago · 7 km deep · 22 km away
8. 2.010 km ENE of Howell, UtahWed, Feb 25, 11:26 AM MST · 14454 days ago · 0 km deep · 21 km away
9. 2.511 km ENE of Howell, UtahWed, Feb 25, 12:43 PM MST · 14454 days ago · 3 km deep · 22 km away
10. 1.610 km ENE of Howell, UtahWed, Feb 25, 1:09 PM MST · 14454 days ago · 1 km deep · 22 km away
11. 2.110 km ENE of Howell, UtahWed, Feb 25, 3:43 PM MST · 14454 days ago · 1 km deep · 21 km away
12. 1.910 km ENE of Howell, UtahWed, Feb 25, 4:18 PM MST · 14454 days ago · 1 km deep · 21 km away
13. 2.510 km ENE of Howell, UtahThu, Feb 26, 6:01 AM MST · 14453 days ago · 6 km deep · 22 km away
14. 2.09 km ENE of Howell, UtahThu, Feb 26, 8:51 AM MST · 14453 days ago · 4 km deep · 21 km away
15. 1.711 km ENE of Howell, UtahThu, Feb 26, 11:17 AM MST · 14453 days ago · 1 km deep · 23 km away
16. 2.710 km ENE of Howell, UtahFri, Feb 27, 3:10 PM MST · 14452 days ago · 2 km deep · 20 km away
17. 2.810 km ENE of Howell, UtahFri, Feb 27, 10:24 PM MST · 14451 days ago · 4 km deep · 20 km away
18. 1.910 km E of Howell, UtahSat, Feb 28, 3:18 AM MST · 14451 days ago · 0 km deep · 20 km away
19. 2.5UtahSat, Feb 28, 2:16 PM MST · 14451 days ago · 5 km deep · 21 km away
20. 1.610 km ENE of Howell, UtahSun, Mar 1, 4:58 AM MST · 14450 days ago · 1 km deep · 21 km away
21. 1.916 km WNW of Paris, IdahoMon, Mar 2, 8:06 PM MST · 14448 days ago · 3 km deep · 97 km away
22. 2.910 km ENE of Howell, UtahTue, Mar 3, 11:43 AM MST · 14448 days ago · 2 km deep · 21 km away
23. 1.910 km ENE of Howell, UtahTue, Mar 3, 3:56 PM MST · 14448 days ago · 0 km deep · 21 km away
24. 1.610 km ENE of Howell, UtahThu, Mar 5, 5:26 PM MST · 14445 days ago · 0 km deep · 22 km away
25. 2.310 km ENE of Howell, UtahThu, Mar 5, 9:28 PM MST · 14445 days ago · 0 km deep · 22 km away
26. 1.610 km ENE of Howell, UtahSat, Mar 7, 12:32 AM MST · 14444 days ago · 0 km deep · 22 km away
27. 2.310 km S of Snowville, UtahTue, Mar 10, 12:05 AM MST · 14441 days ago · 8 km deep · 37 km away
28. 3.1UtahTue, Mar 10, 12:28 AM MST · 14441 days ago · 4 km deep · 37 km away
29. 2.09 km S of Snowville, UtahThu, Mar 12, 6:34 PM MST · 14438 days ago · 7 km deep · 38 km away
30. 1.89 km S of Snowville, UtahThu, Mar 12, 7:54 PM MST · 14438 days ago · 5 km deep · 37 km away
31. 2.110 km S of Snowville, UtahFri, Mar 13, 6:02 AM MST · 14438 days ago · 7 km deep · 37 km away
32. 1.910 km ENE of Howell, UtahMon, Mar 16, 11:37 PM MST · 14434 days ago · 4 km deep · 22 km away
33. 1.910 km ENE of Howell, UtahTue, Mar 17, 12:05 AM MST · 14434 days ago · 1 km deep · 21 km away
34. 3.010 km ENE of Howell, UtahTue, Mar 17, 8:07 AM MST · 14434 days ago · 2 km deep · 22 km away
35. 2.110 km ENE of Howell, UtahTue, Mar 17, 8:07 PM MST · 14433 days ago · 2 km deep · 22 km away
36. 1.98 km E of Huntsville, UtahFri, Mar 20, 3:22 PM MST · 14431 days ago · 10 km deep · 74 km away
37. 1.88 km E of Huntsville, UtahFri, Mar 20, 3:24 PM MST · 14431 days ago · 7 km deep · 74 km away
38. 2.59 km S of Snowville, UtahFri, Mar 20, 6:19 PM MST · 14430 days ago · 5 km deep · 38 km away
39. 1.617 km ENE of Snowville, UtahSat, Mar 21, 5:51 AM MST · 14430 days ago · 2 km deep · 44 km away
40. 3.19 km S of Snowville, UtahSat, Mar 21, 7:41 PM MST · 14429 days ago · 4 km deep · 37 km away
41. 2.19 km S of Snowville, UtahSat, Mar 21, 7:48 PM MST · 14429 days ago · 0 km deep · 36 km away
42. 2.48 km SSW of Snowville, UtahSat, Mar 21, 8:00 PM MST · 14429 days ago · 6 km deep · 39 km away
43. 2.28 km NW of Garden City, UtahMon, Mar 23, 5:32 PM MST · 14427 days ago · -3 km deep · 87 km away
44. 2.27 km NW of Garden City, UtahMon, Mar 23, 9:50 PM MST · 14427 days ago · -2 km deep · 86 km away
45. 1.68 km NW of Garden City, UtahMon, Mar 23, 11:09 PM MST · 14427 days ago · -2 km deep · 86 km away
46. 2.010 km ENE of Howell, UtahSun, Mar 29, 10:59 AM MST · 14422 days ago · 4 km deep · 23 km away

Before

1. 2.04 km NE of Weston, IdahoWed, Jan 28, 1:18 PM MST · 14482 days ago · 2 km deep · 60 km away
2. 2.111 km E of Howell, UtahFri, Jan 23, 1:13 AM MST · 14487 days ago · 0 km deep · 20 km away
3. 1.910 km ENE of Howell, UtahThu, Jan 22, 8:44 PM MST · 14487 days ago · 3 km deep · 20 km away
4. 2.44 km ENE of Eden, UtahTue, Jan 6, 7:42 PM MST · 14503 days ago · 11 km deep · 65 km away
5. 2.46 km NE of Huntsville, UtahSun, Jan 4, 10:42 PM MST · 14505 days ago · 12 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50031405. Read Tue, Sep 22, 2026, 10:59 AM UTC.