M1.8 earthquake 9 km ESE of Alton, Utah

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Thu, Oct 22, 2020, 7:31 AM MDT

UTC

2020-10-22 13:31:19 UTC

Depth

10.2 km (6.4 mi), shallow

Epicenter

37.409° N, 112.382° W

Region

Utah

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

108°

Stations used

16

• Orderville, UtahPopulation 559. Forecast27 kmENE
• Cedar City, UtahPopulation 30,184. Forecast67 kmESE
• Sunrise Manor, NevadaPopulation 189,372. Forecast274 kmENE
• Phoenix, ArizonaPopulation 1,650,070. Forecast441 kmN

After

1. 1.69 km NE of Hildale, UtahFri, Oct 23, 10:30 AM MDT · 2170 days ago · 19 km deep · 60 km away
2. 2.55 km SW of Circleville, UtahSat, Oct 24, 12:16 PM MDT · 2169 days ago · -1 km deep · 81 km away
3. 2.26 km WSW of Circleville, UtahSun, Oct 25, 4:57 AM MDT · 2168 days ago · -1 km deep · 82 km away
4. 2.44 km WSW of Circleville, UtahMon, Oct 26, 7:19 AM MDT · 2167 days ago · 9 km deep · 83 km away
5. 2.012 km ESE of Springdale, UtahTue, Oct 27, 6:45 PM MDT · 2165 days ago · 18 km deep · 51 km away
6. 1.812 km ESE of Springdale, UtahTue, Oct 27, 11:42 PM MDT · 2165 days ago · 16 km deep · 51 km away
7. 2.11 km NE of Beaver, UtahThu, Oct 29, 2:54 PM MDT · 2164 days ago · 6 km deep · 100 km away
8. 2.0UtahFri, Nov 6, 2:03 AM MST · 2156 days ago · 10 km deep · 64 km away
9. 1.73 km WSW of Cedar City, UtahMon, Nov 9, 4:51 PM MST · 2152 days ago · 0 km deep · 69 km away
10. 2.04 km SSW of Summit, UtahWed, Nov 11, 4:34 AM MST · 2151 days ago · 3 km deep · 63 km away
11. 1.816 km WNW of Cedar City, UtahWed, Nov 11, 10:22 AM MST · 2151 days ago · 6 km deep · 83 km away
12. 1.69 km WNW of Panguitch, UtahWed, Nov 11, 11:07 AM MST · 2151 days ago · 13 km deep · 52 km away
13. 1.814 km WNW of Cedar City, UtahThu, Nov 12, 4:52 AM MST · 2150 days ago · -2 km deep · 82 km away
14. 1.515 km WNW of Cedar City, UtahThu, Nov 12, 6:57 AM MST · 2150 days ago · 1 km deep · 82 km away
15. 2.09 km WNW of Panguitch, UtahThu, Nov 12, 9:35 PM MST · 2149 days ago · 8 km deep · 53 km away
16. 2.09 km WNW of Panguitch, UtahThu, Nov 12, 11:32 PM MST · 2149 days ago · 6 km deep · 51 km away
17. 1.55.4 km WNW of Minersville, UTSun, Nov 15, 3:10 AM MST · 2147 days ago · 0 km deep · 97 km away
18. 1.612 km SSE of Cedar City, UtahFri, Nov 20, 8:11 PM MST · 2141 days ago · 10 km deep · 60 km away
19. 2.011 km WNW of Cedar City, UtahSun, Nov 29, 5:59 AM MST · 2133 days ago · 0 km deep · 78 km away
20. 1.66 km SSE of Circleville, UtahMon, Nov 30, 11:09 AM MST · 2132 days ago · 5 km deep · 80 km away
21. 1.64 km SE of Circleville, UtahMon, Nov 30, 11:43 AM MST · 2132 days ago · -3 km deep · 83 km away
22. 2.49 km S of Cedar City, UtahThu, Dec 3, 1:55 PM MST · 2129 days ago · 11 km deep · 64 km away · felt by 4
23. 1.714 km SSW of Kaibab, ArizonaThu, Dec 10, 4:44 AM MST · 2122 days ago · 19 km deep · 80 km away
24. 1.614 km ENE of Springdale, UtahThu, Dec 10, 5:41 PM MST · 2121 days ago · 19 km deep · 46 km away
25. 1.89 km SE of Panguitch, UtahSun, Dec 13, 3:08 PM MST · 2118 days ago · 3 km deep · 40 km away
26. 1.57 km WSW of Circleville, UtahTue, Dec 15, 5:03 PM MST · 2116 days ago · 6 km deep · 83 km away
27. 1.512 km SSE of Kanarraville, UtahWed, Dec 16, 1:51 AM MST · 2116 days ago · 6 km deep · 68 km away
28. 2.79 km NW of Circleville, UtahThu, Dec 17, 8:09 AM MST · 2115 days ago · 3 km deep · 92 km away · felt by 1
29. 1.76 km SW of Circleville, UtahSat, Dec 19, 10:34 AM MST · 2113 days ago · 6 km deep · 81 km away
30. 1.9UtahSat, Dec 19, 11:31 AM MST · 2113 days ago · 2 km deep · 83 km away
31. 2.15 km WNW of Panguitch, UtahSun, Dec 20, 5:25 PM MST · 2111 days ago · 9 km deep · 49 km away

Before

1. 2.36 km WSW of Circleville, UtahThu, Oct 22, 2:22 AM MDT · 2171 days ago · 5 km deep · 82 km away
2. 2.14 km NNW of Enoch, UtahWed, Oct 21, 8:49 PM MDT · 2171 days ago · 1 km deep · 74 km away · felt by 3
3. 1.612 km ESE of Pine Valley, UtahTue, Oct 20, 5:01 AM MDT · 2173 days ago · 5 km deep · 89 km away
4. 1.64 km W of Circleville, UtahFri, Oct 16, 2:22 AM MDT · 2177 days ago · 6 km deep · 85 km away
5. 1.710 km NW of Cedar City, UtahFri, Oct 16, 1:39 AM MDT · 2177 days ago · 1 km deep · 78 km away
6. 2.25 km W of Circleville, UtahThu, Oct 15, 7:53 AM MDT · 2178 days ago · 4 km deep · 85 km away · felt by 1
7. 1.65 km N of Panguitch, UtahWed, Oct 14, 2:35 AM MDT · 2179 days ago · 10 km deep · 52 km away
8. 1.517 km SW of Circleville, UtahWed, Oct 14, 12:57 AM MDT · 2179 days ago · 6 km deep · 75 km away
9. 2.35 km NNE of Panguitch, UtahTue, Oct 13, 3:05 PM MDT · 2180 days ago · 6 km deep · 52 km away
10. 1.7ArizonaTue, Oct 13, 12:10 PM MST · 2180 days ago · 18 km deep · 67 km away
11. 1.63 km E of Hildale, UtahTue, Oct 13, 5:38 AM MDT · 2180 days ago · 20 km deep · 66 km away
12. 1.75 km N of Panguitch, UtahSat, Oct 10, 10:35 PM MDT · 2182 days ago · 6 km deep · 52 km away
13. 2.015 km WSW of Circleville, UtahSat, Oct 10, 10:29 PM MDT · 2182 days ago · 6 km deep · 76 km away
14. 1.516 km WSW of Circleville, UtahSat, Oct 3, 7:52 AM MDT · 2190 days ago · 6 km deep · 76 km away
15. 1.914 km SW of Circleville, UtahSat, Oct 3, 7:48 AM MDT · 2190 days ago · 10 km deep · 76 km away
16. 2.616 km SW of Circleville, UtahSat, Oct 3, 7:41 AM MDT · 2190 days ago · 9 km deep · 75 km away · felt by 9
17. 2.215 km SW of Circleville, UtahSat, Oct 3, 6:40 AM MDT · 2190 days ago · 8 km deep · 76 km away
18. 1.815 km SW of Circleville, UtahSat, Oct 3, 6:25 AM MDT · 2190 days ago · 9 km deep · 76 km away
19. 2.014 km WSW of Circleville, UtahSat, Oct 3, 6:10 AM MDT · 2190 days ago · -1 km deep · 80 km away · felt by 2
20. 2.615 km WSW of Circleville, UtahSat, Oct 3, 5:52 AM MDT · 2190 days ago · 8 km deep · 77 km away · felt by 3

From the USGS Earthquake Hazards Program and its partner networks, event uu60415552. Read Fri, Oct 2, 2026, 9:21 AM UTC.