M1.9 earthquake 10 km ENE of Howell, Utah

Magnitude

1.9 (Md, duration), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Wed, Dec 31, 1986, 5:01 AM MST

UTC

1986-12-31 12:01:47 UTC

Depth

-0.2 km (-0.1 mi), shallow

Epicenter

41.832° N, 112.322° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.6 km in depth

Depth from

From location

Station coverage gap

74°

Stations used

11

• Riverside, UtahPopulation 760. Forecast15 kmWNW
• Smithfield, UtahPopulation 10,782. Forecast40 kmW
• Salt Lake City, UtahPopulation 215,548. Forecast124 kmNNW

After

1. 2.46 km NE of Huntsville, UtahSun, Jan 4, 10:42 PM MST · 14516 days ago · 12 km deep · 77 km away
2. 2.44 km ENE of Eden, UtahTue, Jan 6, 7:42 PM MST · 14514 days ago · 11 km deep · 75 km away
3. 1.910 km ENE of Howell, UtahThu, Jan 22, 8:44 PM MST · 14498 days ago · 3 km deep · 2 km away
4. 2.111 km E of Howell, UtahFri, Jan 23, 1:13 AM MST · 14498 days ago · 0 km deep · 2 km away
5. 2.04 km NE of Weston, IdahoWed, Jan 28, 1:18 PM MST · 14493 days ago · 2 km deep · 41 km away
6. 1.610 km WSW of Thatcher, UtahFri, Jan 30, 2:45 PM MST · 14491 days ago · 0 km deep · 22 km away
7. 2.89 km ENE of Howell, UtahWed, Feb 4, 9:07 AM MST · 14486 days ago · 5 km deep · 1 km away
8. 2.514 km WSW of Corinne, UtahTue, Feb 10, 1:39 AM MST · 14480 days ago · 19 km deep · 38 km away
9. 2.315 km WSW of Corinne, UtahTue, Feb 10, 4:55 AM MST · 14480 days ago · 5 km deep · 39 km away
10. 2.178 km E of Montello, NevadaTue, Feb 17, 10:51 PM MST · 14472 days ago · 6 km deep · 96 km away
11. 1.917 km WNW of Paris, IdahoTue, Feb 17, 11:37 PM MST · 14472 days ago · 10 km deep · 78 km away
12. 3.910 km ENE of Howell, UtahWed, Feb 25, 5:30 AM MST · 14465 days ago · 5 km deep · 1 km away
13. 1.511 km ENE of Howell, UtahWed, Feb 25, 8:09 AM MST · 14465 days ago · 7 km deep · 1 km away
14. 2.010 km ENE of Howell, UtahWed, Feb 25, 11:26 AM MST · 14465 days ago · 0 km deep · 1 km away
15. 2.511 km ENE of Howell, UtahWed, Feb 25, 12:43 PM MST · 14465 days ago · 3 km deep · 0 km away
16. 1.610 km ENE of Howell, UtahWed, Feb 25, 1:09 PM MST · 14465 days ago · 1 km deep · 1 km away
17. 2.110 km ENE of Howell, UtahWed, Feb 25, 3:43 PM MST · 14464 days ago · 1 km deep · 1 km away
18. 1.910 km ENE of Howell, UtahWed, Feb 25, 4:18 PM MST · 14464 days ago · 1 km deep · 1 km away
19. 2.510 km ENE of Howell, UtahThu, Feb 26, 6:01 AM MST · 14464 days ago · 6 km deep · 1 km away
20. 2.09 km ENE of Howell, UtahThu, Feb 26, 8:51 AM MST · 14464 days ago · 4 km deep · 2 km away
21. 1.711 km ENE of Howell, UtahThu, Feb 26, 11:17 AM MST · 14464 days ago · 1 km deep · 2 km away
22. 2.710 km ENE of Howell, UtahFri, Feb 27, 3:10 PM MST · 14462 days ago · 2 km deep · 1 km away
23. 2.810 km ENE of Howell, UtahFri, Feb 27, 10:24 PM MST · 14462 days ago · 4 km deep · 2 km away
24. 1.910 km E of Howell, UtahSat, Feb 28, 3:18 AM MST · 14462 days ago · 0 km deep · 2 km away
25. 2.5UtahSat, Feb 28, 2:16 PM MST · 14462 days ago · 5 km deep · 1 km away
26. 1.610 km ENE of Howell, UtahSun, Mar 1, 4:58 AM MST · 14461 days ago · 1 km deep · 1 km away

Before

1. 3.510 km ENE of Howell, UtahWed, Dec 31, 4:21 AM MST · 14521 days ago · 4 km deep · 1 km away
2. 1.66 km SSE of Snowville, UtahMon, Dec 29, 7:33 PM MST · 14522 days ago · 2 km deep · 31 km away
3. 2.3UtahMon, Dec 29, 6:46 PM MST · 14522 days ago · 8 km deep · 31 km away
4. 1.613 km ESE of Snowville, UtahMon, Dec 15, 6:56 AM MST · 14537 days ago · 1 km deep · 22 km away
5. 2.815 km ENE of Huntsville, UtahTue, Dec 2, 4:03 PM MST · 14549 days ago · 9 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50031120. Read Sat, Oct 3, 2026, 9:29 AM UTC.