M2.5 earthquake Utah

Magnitude

2.5 (md), micro

Local time

Sat, Feb 28, 1987, 2:16 PM MST

UTC

1987-02-28 21:16:10 UTC

Depth

4.6 km (2.9 mi), shallow

Epicenter

41.828° N, 112.334° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 2.6 km in depth

Depth from

From location

Station coverage gap

75°

Stations used

14

• Thatcher, UtahPopulation 789. Forecast15 kmNNW
• Smithfield, UtahPopulation 10,782. Forecast42 kmW
• Salt Lake City, UtahPopulation 215,548. Forecast124 kmNNW

After

1. 1.610 km ENE of Howell, UtahSun, Mar 1, 4:58 AM MST · 14450 days ago · 1 km deep · 2 km away
2. 1.916 km WNW of Paris, IdahoMon, Mar 2, 8:06 PM MST · 14448 days ago · 3 km deep · 79 km away
3. 2.910 km ENE of Howell, UtahTue, Mar 3, 11:43 AM MST · 14448 days ago · 2 km deep · 1 km away
4. 1.910 km ENE of Howell, UtahTue, Mar 3, 3:56 PM MST · 14447 days ago · 0 km deep · 1 km away
5. 1.610 km ENE of Howell, UtahThu, Mar 5, 5:26 PM MST · 14445 days ago · 0 km deep · 1 km away
6. 2.310 km ENE of Howell, UtahThu, Mar 5, 9:28 PM MST · 14445 days ago · 0 km deep · 1 km away
7. 1.610 km ENE of Howell, UtahSat, Mar 7, 12:32 AM MST · 14444 days ago · 0 km deep · 1 km away
8. 2.310 km S of Snowville, UtahTue, Mar 10, 12:05 AM MST · 14441 days ago · 8 km deep · 33 km away
9. 3.1UtahTue, Mar 10, 12:28 AM MST · 14441 days ago · 4 km deep · 33 km away
10. 2.09 km S of Snowville, UtahThu, Mar 12, 6:34 PM MST · 14438 days ago · 7 km deep · 33 km away
11. 1.89 km S of Snowville, UtahThu, Mar 12, 7:54 PM MST · 14438 days ago · 5 km deep · 33 km away
12. 2.110 km S of Snowville, UtahFri, Mar 13, 6:02 AM MST · 14438 days ago · 7 km deep · 33 km away
13. 1.910 km ENE of Howell, UtahMon, Mar 16, 11:37 PM MST · 14434 days ago · 4 km deep · 1 km away
14. 1.910 km ENE of Howell, UtahTue, Mar 17, 12:05 AM MST · 14434 days ago · 1 km deep · 1 km away
15. 3.010 km ENE of Howell, UtahTue, Mar 17, 8:07 AM MST · 14434 days ago · 2 km deep · 1 km away
16. 2.110 km ENE of Howell, UtahTue, Mar 17, 8:07 PM MST · 14433 days ago · 2 km deep · 1 km away
17. 1.98 km E of Huntsville, UtahFri, Mar 20, 3:22 PM MST · 14430 days ago · 10 km deep · 84 km away
18. 1.88 km E of Huntsville, UtahFri, Mar 20, 3:24 PM MST · 14430 days ago · 7 km deep · 84 km away
19. 2.59 km S of Snowville, UtahFri, Mar 20, 6:19 PM MST · 14430 days ago · 5 km deep · 32 km away
20. 1.617 km ENE of Snowville, UtahSat, Mar 21, 5:51 AM MST · 14430 days ago · 2 km deep · 27 km away
21. 3.19 km S of Snowville, UtahSat, Mar 21, 7:41 PM MST · 14429 days ago · 4 km deep · 32 km away
22. 2.19 km S of Snowville, UtahSat, Mar 21, 7:48 PM MST · 14429 days ago · 0 km deep · 31 km away
23. 2.48 km SSW of Snowville, UtahSat, Mar 21, 8:00 PM MST · 14429 days ago · 6 km deep · 34 km away
24. 2.28 km NW of Garden City, UtahMon, Mar 23, 5:32 PM MST · 14427 days ago · -3 km deep · 75 km away
25. 2.27 km NW of Garden City, UtahMon, Mar 23, 9:50 PM MST · 14427 days ago · -2 km deep · 73 km away
26. 1.68 km NW of Garden City, UtahMon, Mar 23, 11:09 PM MST · 14427 days ago · -2 km deep · 74 km away
27. 2.010 km ENE of Howell, UtahSun, Mar 29, 10:59 AM MST · 14422 days ago · 4 km deep · 2 km away
28. 2.011 km E of Howell, UtahWed, Apr 1, 8:36 AM MST · 14419 days ago · 1 km deep · 4 km away
29. 3.510 km ENE of Howell, UtahWed, Apr 1, 9:40 AM MST · 14419 days ago · 5 km deep · 1 km away
30. 2.610 km ENE of Howell, UtahWed, Apr 1, 9:46 AM MST · 14419 days ago · 4 km deep · 1 km away
31. 1.89 km ENE of Howell, UtahWed, Apr 1, 9:54 AM MST · 14419 days ago · -1 km deep · 1 km away
32. 3.110 km ENE of Howell, UtahWed, Apr 1, 2:44 PM MST · 14418 days ago · 5 km deep · 0 km away
33. 2.710 km ENE of Howell, UtahSat, Apr 4, 3:30 PM MST · 14415 days ago · 4 km deep · 1 km away
34. 1.712 km S of Snowville, UtahWed, Apr 15, 5:16 PM MDT · 14404 days ago · 6 km deep · 31 km away
35. 1.711 km E of Howell, UtahThu, Apr 16, 7:15 AM MDT · 14404 days ago · 3 km deep · 3 km away
36. 2.711 km S of Snowville, UtahSat, Apr 18, 6:19 PM MDT · 14401 days ago · 10 km deep · 31 km away
37. 1.615 km S of Snowville, UtahSat, Apr 18, 8:17 PM MDT · 14401 days ago · 11 km deep · 31 km away
38. 1.912 km SSE of Snowville, UtahThu, Apr 23, 9:37 PM MDT · 14396 days ago · 5 km deep · 28 km away
39. 3.212 km SSE of Snowville, UtahThu, Apr 23, 9:55 PM MDT · 14396 days ago · 5 km deep · 28 km away
40. 1.611 km SSE of Snowville, UtahFri, Apr 24, 6:16 AM MDT · 14396 days ago · 1 km deep · 27 km away
41. 2.312 km SSE of Snowville, UtahFri, Apr 24, 6:17 AM MDT · 14396 days ago · 4 km deep · 26 km away
42. 3.112 km SSE of Snowville, UtahFri, Apr 24, 1:32 PM MDT · 14396 days ago · 5 km deep · 27 km away
43. 2.713 km W of Portage, UtahSat, Apr 25, 2:28 AM MDT · 14395 days ago · 7 km deep · 16 km away
44. 2.412 km SSE of Snowville, UtahSun, Apr 26, 7:43 AM MDT · 14394 days ago · 5 km deep · 27 km away
45. 2.613 km SSE of Snowville, UtahSun, Apr 26, 10:30 PM MDT · 14393 days ago · 6 km deep · 27 km away

Before

1. 1.910 km E of Howell, UtahSat, Feb 28, 3:18 AM MST · 14451 days ago · 0 km deep · 2 km away
2. 2.810 km ENE of Howell, UtahFri, Feb 27, 10:24 PM MST · 14451 days ago · 4 km deep · 2 km away
3. 2.710 km ENE of Howell, UtahFri, Feb 27, 3:10 PM MST · 14451 days ago · 2 km deep · 2 km away
4. 1.711 km ENE of Howell, UtahThu, Feb 26, 11:17 AM MST · 14453 days ago · 1 km deep · 2 km away
5. 2.09 km ENE of Howell, UtahThu, Feb 26, 8:51 AM MST · 14453 days ago · 4 km deep · 1 km away
6. 2.510 km ENE of Howell, UtahThu, Feb 26, 6:01 AM MST · 14453 days ago · 6 km deep · 1 km away
7. 1.910 km ENE of Howell, UtahWed, Feb 25, 4:18 PM MST · 14453 days ago · 1 km deep · 1 km away
8. 2.110 km ENE of Howell, UtahWed, Feb 25, 3:43 PM MST · 14453 days ago · 1 km deep · 1 km away
9. 1.610 km ENE of Howell, UtahWed, Feb 25, 1:09 PM MST · 14454 days ago · 1 km deep · 1 km away
10. 2.511 km ENE of Howell, UtahWed, Feb 25, 12:43 PM MST · 14454 days ago · 3 km deep · 1 km away
11. 2.010 km ENE of Howell, UtahWed, Feb 25, 11:26 AM MST · 14454 days ago · 0 km deep · 1 km away
12. 1.511 km ENE of Howell, UtahWed, Feb 25, 8:09 AM MST · 14454 days ago · 7 km deep · 2 km away
13. 3.910 km ENE of Howell, UtahWed, Feb 25, 5:30 AM MST · 14454 days ago · 5 km deep · 1 km away
14. 1.917 km WNW of Paris, IdahoTue, Feb 17, 11:37 PM MST · 14461 days ago · 10 km deep · 79 km away
15. 2.178 km E of Montello, NevadaTue, Feb 17, 10:51 PM MST · 14461 days ago · 6 km deep · 95 km away
16. 2.315 km WSW of Corinne, UtahTue, Feb 10, 4:55 AM MST · 14469 days ago · 5 km deep · 38 km away
17. 2.514 km WSW of Corinne, UtahTue, Feb 10, 1:39 AM MST · 14469 days ago · 19 km deep · 37 km away
18. 2.89 km ENE of Howell, UtahWed, Feb 4, 9:07 AM MST · 14475 days ago · 5 km deep · 0 km away
19. 1.610 km WSW of Thatcher, UtahFri, Jan 30, 2:45 PM MST · 14479 days ago · 0 km deep · 21 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50031765. Read Tue, Sep 22, 2026, 8:17 AM UTC.