M1.6 earthquake Utah

Magnitude

1.6 (md), micro

Local time

Wed, Dec 18, 1985, 3:14 PM MST

UTC

1985-12-18 22:14:31 UTC

Depth

-1.8 km (-1.1 mi), shallow

Epicenter

40.009° N, 111.807° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 3.8 km in depth

Depth from

From location

Station coverage gap

139°

Stations used

8

• Genola, UtahPopulation 1,419. Forecast3 kmENE
• Santaquin, UtahPopulation 10,572. Forecast4 kmNNW
• Provo, UtahPopulation 115,162. Forecast28 kmSSW
• Phoenix, ArizonaPopulation 1,650,070. Forecast730 kmN

After

1. 2.48 km ENE of Kenilworth, UtahThu, Dec 19, 7:16 AM MST · 14888 days ago · -3 km deep · 99 km away
2. 2.30 km NNE of Kenilworth, UtahThu, Dec 19, 3:07 PM MST · 14887 days ago · 10 km deep · 93 km away
3. 1.93 km WNW of Manti, UtahSun, Dec 22, 9:33 AM MST · 14885 days ago · 6 km deep · 82 km away
4. 1.83 km SE of Levan, UtahTue, Dec 24, 8:06 AM MST · 14883 days ago · 0 km deep · 52 km away
5. 2.16 km NW of Hiawatha, UtahTue, Dec 31, 10:19 AM MST · 14876 days ago · 5 km deep · 83 km away
6. 1.513 km SSW of Levan, UtahFri, Jan 3, 8:56 PM MST · 14872 days ago · 10 km deep · 64 km away
7. 1.66 km ENE of Leamington, UtahFri, Jan 10, 3:03 PM MST · 14865 days ago · 2 km deep · 62 km away
8. 1.711 km W of Huntington, UtahMon, Jan 20, 3:40 PM MST · 14855 days ago · 5 km deep · 97 km away
9. 1.86 km ENE of Leamington, UtahTue, Jan 21, 3:14 PM MST · 14854 days ago · 2 km deep · 61 km away
10. 1.79 km S of Woodland Hills, UtahWed, Jan 22, 10:24 PM MST · 14853 days ago · 8 km deep · 17 km away
11. 2.59 km ENE of Kenilworth, UtahFri, Jan 24, 4:54 AM MST · 14852 days ago · 7 km deep · 100 km away
12. 1.525 km ESE of Mapleton, UtahSat, Feb 1, 4:19 PM MST · 14843 days ago · 4 km deep · 42 km away
13. 2.215 km NW of Orangeville, UtahSat, Feb 8, 2:12 PM MST · 14836 days ago · 4 km deep · 93 km away
14. 1.72 km S of North Salt Lake, UtahMon, Feb 10, 3:41 PM MST · 14834 days ago · 3 km deep · 91 km away
15. 2.415 km NW of Orangeville, UtahTue, Feb 11, 3:08 PM MST · 14833 days ago · 6 km deep · 93 km away
16. 2.017 km NNW of Fayette, UtahWed, Feb 12, 2:22 PM MST · 14832 days ago · 17 km deep · 71 km away

Before

1. 2.54 km N of Kenilworth, UtahTue, Dec 17, 8:22 AM MST · 14890 days ago · 6 km deep · 91 km away
2. 1.613 km W of Nephi, UtahTue, Dec 3, 5:14 PM MST · 14903 days ago · 4 km deep · 35 km away
3. 2.51 km SSW of Scofield, UtahTue, Dec 3, 10:55 AM MST · 14903 days ago · 7 km deep · 64 km away
4. 2.38 km SE of Scipio, UtahThu, Nov 28, 7:03 AM MST · 14909 days ago · -3 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50027795. Read Wed, Sep 23, 2026, 5:15 AM UTC.