M1.9 earthquake 28 km ENE of Covelo, California

Magnitude

1.9 (md), micro

Local time

Mon, Jan 21, 1985, 2:23 AM PST

UTC

1985-01-21 10:23:54 UTC

Depth

-1.2 km (-0.7 mi), shallow

Epicenter

39.868° N, 122.936° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 11.2 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

158°

Stations used

10

• Covelo, CaliforniaPopulation 1,255. Forecast28 kmENE
• Red Bluff, CaliforniaPopulation 14,131. Forecast69 kmWSW
• Chico, CaliforniaPopulation 121,345. Forecast95 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast769 kmNNW

After

1. 1.98 km ENE of Hopland, CaliforniaTue, Jan 22, 5:13 PM PST · 15218 days ago · 22 km deep · 96 km away
2. 3.012 km S of Laytonville, CaliforniaWed, Jan 23, 2:29 AM PST · 15218 days ago · 0 km deep · 58 km away
3. 1.920 km NNE of Potter Valley, CaliforniaWed, Jan 23, 9:43 AM PST · 15217 days ago · 7 km deep · 42 km away
4. 1.53 km ENE of Willits, CaliforniaSun, Jan 27, 3:33 AM PST · 15213 days ago · 7 km deep · 60 km away
5. 1.75 km W of Calpella, CaliforniaMon, Jan 28, 3:56 PM PST · 15212 days ago · 2 km deep · 76 km away
6. 1.64 km E of Hopland, CaliforniaTue, Jan 29, 8:02 PM PST · 15211 days ago · 26 km deep · 99 km away
7. 1.818 km ENE of Potter Valley, CaliforniaWed, Jan 30, 6:49 AM PST · 15210 days ago · 9 km deep · 52 km away
8. 1.61 km SW of Redwood Valley, CaliforniaFri, Feb 1, 6:39 AM PST · 15208 days ago · 3 km deep · 73 km away
9. 1.66 km E of Willits, CaliforniaSat, Feb 2, 8:33 PM PST · 15207 days ago · 5 km deep · 59 km away
10. 2.45 km E of Redwood Valley, CaliforniaSun, Feb 3, 12:41 PM PST · 15206 days ago · 7 km deep · 70 km away
11. 1.715 km WSW of Hyampom, CaliforniaMon, Feb 4, 12:08 AM PST · 15206 days ago · 15 km deep · 97 km away
12. 1.68 km ENE of Willits, CaliforniaWed, Feb 6, 12:20 AM PST · 15204 days ago · 9 km deep · 56 km away
13. 1.69 km E of Willits, CaliforniaWed, Feb 6, 7:42 PM PST · 15203 days ago · 8 km deep · 59 km away
14. 2.015 km S of Laytonville, CaliforniaFri, Feb 8, 4:08 PM PST · 15201 days ago · 4 km deep · 61 km away
15. 1.74 km NNE of Lucerne, CaliforniaSat, Feb 9, 7:50 AM PST · 15200 days ago · 17 km deep · 83 km away
16. 1.813 km N of Brooktrails, CaliforniaMon, Feb 11, 9:28 AM PST · 15198 days ago · 4 km deep · 52 km away
17. 1.68 km WSW of Upper Lake, CaliforniaWed, Feb 13, 7:54 AM PST · 15196 days ago · 4 km deep · 82 km away
18. 2.122 km NNE of Potter Valley, CaliforniaThu, Feb 14, 9:39 AM PST · 15195 days ago · 7 km deep · 41 km away
19. 2.922 km NNE of Potter Valley, CaliforniaFri, Feb 15, 12:17 PM PST · 15194 days ago · 7 km deep · 41 km away
20. 2.022 km NNE of Potter Valley, CaliforniaFri, Feb 15, 12:21 PM PST · 15194 days ago · 7 km deep · 41 km away
21. 1.63 km ENE of Redwood Valley, CaliforniaMon, Feb 18, 8:09 AM PST · 15191 days ago · 4 km deep · 68 km away
22. 2.326 km S of Ruth, CaliforniaMon, Feb 18, 12:25 PM PST · 15191 days ago · -1 km deep · 39 km away
23. 2.213 km SSW of Laytonville, CaliforniaWed, Feb 20, 4:40 AM PST · 15189 days ago · -1 km deep · 61 km away
24. 1.65 km W of Laytonville, CaliforniaWed, Feb 20, 5:56 AM PST · 15189 days ago · 5 km deep · 57 km away
25. 1.64 km WSW of Laytonville, CaliforniaWed, Feb 20, 7:45 AM PST · 15189 days ago · 2 km deep · 55 km away
26. 2.113 km N of Upper Lake, CaliforniaWed, Feb 20, 9:17 AM PST · 15189 days ago · 12 km deep · 65 km away
27. 1.85 km WSW of Bella Vista, CaliforniaFri, Feb 22, 3:39 AM PST · 15187 days ago · 4 km deep · 100 km away
28. 1.79 km NE of Covelo, CaliforniaTue, Feb 26, 10:16 AM PST · 15183 days ago · 7 km deep · 21 km away
29. 1.86 km NW of North Lakeport, CaliforniaWed, Feb 27, 3:16 AM PST · 15182 days ago · 1 km deep · 83 km away
30. 1.76 km NW of North Lakeport, CaliforniaThu, Feb 28, 6:12 PM PST · 15181 days ago · 5 km deep · 83 km away
31. 1.617 km WNW of Brooktrails, CaliforniaThu, Mar 7, 12:11 PM PST · 15174 days ago · 1 km deep · 70 km away
32. 1.79 km W of Cottonwood, CaliforniaFri, Mar 8, 7:42 PM PST · 15173 days ago · 5 km deep · 73 km away
33. 1.911 km NNE of Comptche, CaliforniaSun, Mar 10, 12:36 PM PST · 15171 days ago · 2 km deep · 77 km away
34. 2.010 km SSE of Leggett, CaliforniaWed, Mar 13, 5:17 AM PST · 15168 days ago · 6 km deep · 63 km away
35. 2.411 km NW of Ruth, CaliforniaThu, Mar 14, 4:26 PM PST · 15167 days ago · 29 km deep · 66 km away
36. 3.020 km NNE of Upper Lake, CaliforniaSat, Mar 16, 8:20 AM PST · 15165 days ago · 10 km deep · 60 km away
37. 1.827 km WSW of Leggett, CaliforniaTue, Mar 19, 2:27 PM PST · 15162 days ago · 2 km deep · 91 km away
38. 1.54 km N of Laytonville, CaliforniaThu, Mar 21, 12:25 PM PST · 15160 days ago · 11 km deep · 50 km away
39. 1.819 km NNE of Upper Lake, CaliforniaThu, Mar 21, 10:21 PM PST · 15160 days ago · 0 km deep · 61 km away

Before

1. 1.6Northern CaliforniaSat, Jan 19, 9:18 PM PST · 15221 days ago · 10 km deep · 99 km away
2. 2.616 km W of Paskenta, CaliforniaWed, Jan 16, 4:03 PM PST · 15224 days ago · 1 km deep · 17 km away
3. 1.614 km WSW of Laytonville, CaliforniaTue, Jan 15, 3:34 PM PST · 15225 days ago · 4 km deep · 65 km away
4. 1.64 km ENE of Willits, CaliforniaTue, Jan 15, 12:02 PM PST · 15225 days ago · 2 km deep · 58 km away
5. 1.65 km W of Calpella, CaliforniaSun, Jan 13, 1:25 PM PST · 15227 days ago · 3 km deep · 77 km away
6. 1.520 km NNE of Upper Lake, CaliforniaSun, Jan 13, 1:21 PM PST · 15227 days ago · 5 km deep · 59 km away
7. 2.26 km WNW of Potter Valley, CaliforniaSat, Jan 12, 7:49 PM PST · 15228 days ago · 5 km deep · 63 km away
8. 1.95 km W of Covelo, CaliforniaSat, Jan 12, 4:53 PM PST · 15228 days ago · 8 km deep · 33 km away
9. 1.81 km SSE of Laytonville, CaliforniaSat, Jan 12, 12:52 PM PST · 15228 days ago · 3 km deep · 51 km away
10. 2.29 km ESE of Hyampom, CaliforniaSat, Jan 12, 1:28 AM PST · 15229 days ago · 4 km deep · 88 km away
11. 1.916 km ENE of Potter Valley, CaliforniaTue, Jan 8, 2:07 PM PST · 15232 days ago · 7 km deep · 52 km away
12. 1.810 km WNW of Paynes Creek, CaliforniaMon, Jan 7, 9:04 PM PST · 15233 days ago · 4 km deep · 96 km away
13. 3.012 km W of Paynes Creek, CaliforniaMon, Jan 7, 8:22 PM PST · 15233 days ago · 17 km deep · 91 km away
14. 1.84 km NNW of Laytonville, CaliforniaSun, Jan 6, 7:57 AM PST · 15234 days ago · 9 km deep · 51 km away
15. 1.629 km NE of Covelo, CaliforniaSun, Jan 6, 3:05 AM PST · 15234 days ago · -1 km deep · 14 km away
16. 1.619 km ENE of Potter Valley, CaliforniaSat, Jan 5, 8:36 PM PST · 15235 days ago · 10 km deep · 53 km away
17. 2.220 km NNE of Upper Lake, CaliforniaFri, Jan 4, 4:49 PM PST · 15236 days ago · 7 km deep · 58 km away
18. 1.615 km E of Cottonwood, CaliforniaFri, Jan 4, 12:09 PM PST · 15236 days ago · 7 km deep · 90 km away
19. 1.67 km SE of Hamilton City, CaliforniaFri, Jan 4, 2:08 AM PST · 15237 days ago · 5 km deep · 86 km away
20. 2.016 km WNW of Paynes Creek, CaliforniaThu, Jan 3, 8:29 PM PST · 15237 days ago · 18 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc41491. Read Tue, Sep 22, 2026, 10:31 PM UTC.