M1.8 earthquake 84 km E of Montello, Nevada

Magnitude

1.8 (Md, duration), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Sat, Feb 20, 1988, 8:24 AM MST

UTC

1988-02-20 15:24:12 UTC

Depth

4.6 km (2.9 mi), shallow

Epicenter

41.202° N, 113.189° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Depth from

From location

Station coverage gap

125°

Stations used

7

• Wendover, UtahPopulation 1,400. Forecast88 kmNE
• Grantsville, UtahPopulation 10,027. Forecast90 kmNW
• West Valley City, UtahPopulation 136,208. Forecast115 kmWNW
• Phoenix, ArizonaPopulation 1,650,070. Forecast868 kmN

After

1. 2.583 km E of Montello, NevadaSat, Feb 20, 8:24 AM MST · 14103 days ago · 7 km deep · 1 km away
2. 1.983 km E of Montello, NevadaSun, Feb 21, 5:00 PM MST · 14102 days ago · 4 km deep · 1 km away
3. 2.586 km W of Hooper, UtahTue, Mar 1, 7:03 PM MST · 14093 days ago · 9 km deep · 3 km away
4. 1.683 km E of Montello, NevadaSun, Mar 6, 11:05 PM MST · 14088 days ago · 3 km deep · 1 km away
5. 1.682 km E of Montello, NevadaMon, Mar 21, 12:24 AM MST · 14074 days ago · 9 km deep · 3 km away
6. 1.585 km E of Montello, NevadaSat, Mar 26, 1:34 PM MST · 14068 days ago · 4 km deep · 2 km away
7. 2.011 km S of Snowville, UtahTue, Apr 5, 7:59 PM MDT · 14058 days ago · 8 km deep · 85 km away
8. 2.514 km SSW of Thatcher, UtahFri, Apr 8, 7:17 PM MDT · 14055 days ago · 2 km deep · 81 km away

Before

1. 1.584 km E of Montello, NevadaFri, Feb 19, 10:10 PM MST · 14104 days ago · 6 km deep · 1 km away
2. 1.684 km E of Montello, NevadaFri, Feb 19, 9:54 PM MST · 14104 days ago · 9 km deep · 0 km away
3. 2.18 km WNW of Bear River City, UtahFri, Feb 12, 3:57 AM MST · 14111 days ago · 4 km deep · 94 km away
4. 1.783 km E of Montello, NevadaWed, Feb 10, 10:55 AM MST · 14113 days ago · 5 km deep · 2 km away
5. 2.183 km E of Montello, NevadaWed, Feb 10, 3:07 AM MST · 14113 days ago · 4 km deep · 2 km away
6. 1.985 km E of Montello, NevadaMon, Feb 8, 4:54 PM MST · 14115 days ago · 6 km deep · 1 km away
7. 1.584 km E of Montello, NevadaSat, Feb 6, 11:40 AM MST · 14117 days ago · 4 km deep · 3 km away
8. 2.883 km E of Montello, NevadaFri, Feb 5, 9:14 AM MST · 14118 days ago · 9 km deep · 1 km away
9. 1.685 km E of Montello, NevadaFri, Feb 5, 1:36 AM MST · 14119 days ago · 7 km deep · 1 km away
10. 1.885 km E of Montello, NevadaThu, Feb 4, 7:27 PM MST · 14119 days ago · 10 km deep · 1 km away
11. 1.684 km E of Montello, NevadaWed, Feb 3, 4:12 PM MST · 14120 days ago · 7 km deep · 1 km away
12. 1.785 km E of Montello, NevadaSat, Jan 30, 7:40 AM MST · 14124 days ago · 7 km deep · 2 km away
13. 1.784 km E of Montello, NevadaSat, Jan 30, 2:17 AM MST · 14125 days ago · 9 km deep · 1 km away
14. 2.785 km E of Montello, NevadaSat, Jan 30, 2:02 AM MST · 14125 days ago · 10 km deep · 1 km away
15. 2.385 km E of Montello, NevadaFri, Jan 29, 10:39 PM MST · 14125 days ago · 9 km deep · 1 km away
16. 3.085 km E of Montello, NevadaFri, Jan 29, 10:37 PM MST · 14125 days ago · 9 km deep · 0 km away
17. 1.985 km E of Montello, NevadaFri, Jan 29, 6:44 PM MST · 14125 days ago · 9 km deep · 1 km away
18. 1.585 km E of Montello, NevadaFri, Jan 29, 4:01 AM MST · 14125 days ago · 8 km deep · 1 km away
19. 2.185 km E of Montello, NevadaThu, Jan 28, 6:09 PM MST · 14126 days ago · 9 km deep · 1 km away
20. 3.087 km E of Montello, NevadaThu, Jan 28, 5:58 PM MST · 14126 days ago · 9 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu50035890. Read Thu, Oct 1, 2026, 9:35 PM UTC.