M1.6 earthquake 9 km ENE of Howell, Utah

Magnitude

1.6 (md), micro

Local time

Mon, Nov 30, 1987, 6:07 PM MST

UTC

1987-12-01 01:07:59 UTC

Depth

4.3 km (2.6 mi), shallow

Epicenter

41.824° N, 112.334° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 3.6 km in depth

Depth from

From location

Station coverage gap

74°

Stations used

13

• Thatcher, UtahPopulation 789. Forecast15 kmNNW
• Smithfield, UtahPopulation 10,782. Forecast41 kmW
• Salt Lake City, UtahPopulation 215,548. Forecast124 kmNNW

After

1. 2.218 km ENE of Snowville, UtahWed, Dec 2, 4:33 AM MST · 14174 days ago · 1 km deep · 29 km away
2. 1.810 km ENE of Avon, UtahWed, Dec 2, 7:17 AM MST · 14174 days ago · 4 km deep · 58 km away
3. 1.786 km E of Montello, NevadaWed, Dec 2, 5:28 PM MST · 14173 days ago · 8 km deep · 100 km away
4. 2.810 km ENE of Howell, UtahFri, Dec 11, 5:43 AM MST · 14165 days ago · 2 km deep · 3 km away
5. 2.285 km E of Montello, NevadaFri, Dec 11, 6:05 AM MST · 14165 days ago · 4 km deep · 98 km away
6. 1.8UtahMon, Dec 14, 9:39 AM MST · 14162 days ago · 8 km deep · 99 km away
7. 1.69 km NNE of Howell, UtahMon, Dec 14, 5:43 PM MST · 14161 days ago · 11 km deep · 8 km away
8. 1.986 km W of Hooper, UtahTue, Dec 15, 11:00 AM MST · 14161 days ago · 5 km deep · 97 km away
9. 2.386 km E of Montello, NevadaSat, Dec 19, 2:57 PM MST · 14156 days ago · 6 km deep · 99 km away
10. 2.613 km ESE of Snowville, UtahSun, Dec 20, 6:15 PM MST · 14155 days ago · 7 km deep · 22 km away
11. 1.886 km E of Montello, NevadaTue, Dec 22, 5:55 AM MST · 14154 days ago · 7 km deep · 99 km away
12. 1.784 km E of Montello, NevadaThu, Dec 24, 1:23 PM MST · 14152 days ago · 4 km deep · 98 km away
13. 1.711 km ENE of Howell, UtahWed, Dec 30, 12:32 PM MST · 14146 days ago · 0 km deep · 3 km away
14. 2.118 km WSW of Georgetown, IdahoSun, Jan 3, 6:43 AM MST · 14142 days ago · 2 km deep · 92 km away
15. 1.685 km E of Montello, NevadaWed, Jan 6, 12:04 PM MST · 14139 days ago · 6 km deep · 99 km away
16. 1.586 km E of Montello, NevadaWed, Jan 6, 2:10 PM MST · 14139 days ago · 7 km deep · 99 km away
17. 1.683 km E of Montello, NevadaWed, Jan 6, 9:11 PM MST · 14138 days ago · 5 km deep · 99 km away
18. 1.786 km E of Montello, NevadaThu, Jan 7, 6:36 PM MST · 14137 days ago · 7 km deep · 99 km away
19. 1.683 km E of Montello, NevadaFri, Jan 8, 2:32 PM MST · 14136 days ago · 4 km deep · 99 km away
20. 1.712 km NE of Howell, UtahSat, Jan 9, 8:23 PM MST · 14135 days ago · 8 km deep · 4 km away
21. 1.649 km WNW of Hooper, UtahWed, Jan 13, 6:21 PM MST · 14131 days ago · 5 km deep · 70 km away
22. 2.09 km NNW of Garden City, UtahWed, Jan 20, 12:49 PM MST · 14125 days ago · -2 km deep · 76 km away
23. 2.010 km ENE of Howell, UtahWed, Jan 27, 2:23 AM MST · 14118 days ago · 0 km deep · 1 km away
24. 1.910 km ENE of Howell, UtahWed, Jan 27, 3:48 PM MST · 14117 days ago · 5 km deep · 2 km away
25. 1.985 km E of Montello, NevadaWed, Jan 27, 4:22 PM MST · 14117 days ago · 6 km deep · 98 km away
26. 1.685 km E of Montello, NevadaWed, Jan 27, 4:35 PM MST · 14117 days ago · 6 km deep · 98 km away
27. 2.184 km E of Montello, NevadaWed, Jan 27, 4:39 PM MST · 14117 days ago · 8 km deep · 98 km away
28. 3.087 km E of Montello, NevadaThu, Jan 28, 5:58 PM MST · 14116 days ago · 9 km deep · 98 km away
29. 2.185 km E of Montello, NevadaThu, Jan 28, 6:09 PM MST · 14116 days ago · 9 km deep · 98 km away
30. 1.585 km E of Montello, NevadaFri, Jan 29, 4:01 AM MST · 14116 days ago · 8 km deep · 98 km away

Before

1. 2.39 km WSW of Garden City, UtahSun, Nov 29, 9:12 AM MST · 14177 days ago · -2 km deep · 69 km away
2. 1.612 km SE of Snowville, UtahSun, Nov 29, 8:58 AM MST · 14177 days ago · 4 km deep · 23 km away
3. 1.613 km SE of Snowville, UtahSun, Nov 29, 12:06 AM MST · 14177 days ago · 7 km deep · 22 km away
4. 1.586 km E of Montello, NevadaFri, Nov 27, 3:05 PM MST · 14178 days ago · 6 km deep · 99 km away
5. 2.59 km W of Garden, UtahFri, Nov 27, 1:59 PM MST · 14179 days ago · -3 km deep · 70 km away
6. 1.983 km E of Montello, NevadaFri, Nov 27, 7:45 AM MST · 14179 days ago · 9 km deep · 99 km away
7. 1.884 km E of Montello, NevadaFri, Nov 27, 2:43 AM MST · 14179 days ago · 4 km deep · 99 km away
8. 1.619 km SW of Thatcher, UtahTue, Nov 24, 8:13 PM MST · 14181 days ago · 0 km deep · 31 km away
9. 1.884 km E of Montello, NevadaMon, Nov 23, 4:04 AM MST · 14183 days ago · 5 km deep · 100 km away
10. 1.622 km W of Randolph, UtahWed, Nov 18, 7:07 PM MST · 14187 days ago · 2 km deep · 76 km away
11. 1.683 km E of Montello, NevadaTue, Nov 17, 5:34 PM MST · 14188 days ago · 5 km deep · 100 km away
12. 2.886 km E of Montello, NevadaTue, Nov 17, 9:20 AM MST · 14189 days ago · 8 km deep · 100 km away
13. 1.7UtahMon, Nov 16, 3:08 PM MST · 14189 days ago · 0 km deep · 97 km away
14. 2.023 km N of Henefer, UtahSat, Nov 14, 9:58 AM MST · 14192 days ago · 6 km deep · 97 km away
15. 1.684 km E of Montello, NevadaSat, Nov 14, 9:19 AM MST · 14192 days ago · 6 km deep · 99 km away
16. 1.686 km E of Montello, NevadaSat, Nov 14, 5:44 AM MST · 14192 days ago · 6 km deep · 99 km away
17. 1.784 km E of Montello, NevadaSat, Nov 14, 3:44 AM MST · 14192 days ago · 4 km deep · 97 km away
18. 1.713 km ESE of Snowville, UtahSat, Nov 14, 3:43 AM MST · 14192 days ago · 6 km deep · 21 km away
19. 1.63 km S of Deweyville, UtahWed, Nov 11, 2:21 PM MST · 14195 days ago · 4 km deep · 26 km away
20. 1.512 km ENE of Huntsville, UtahWed, Nov 11, 12:20 AM MST · 14195 days ago · 14 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50034850. Read Tue, Sep 22, 2026, 8:51 AM UTC.