M2.2 earthquake 4 km W of Cobb, California

Magnitude

2.2 (md), micro

Local time

Fri, Jan 11, 1985, 5:56 PM PST

UTC

1985-01-12 01:56:58 UTC

Depth

0.0 km (0.0 mi), shallow

Epicenter

38.820° N, 122.776° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

47°

Stations used

22

• Cobb, CaliforniaPopulation 1,778. Forecast5 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast20 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast42 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast667 kmNW

After

1. 1.54 km W of Cobb, CaliforniaFri, Jan 11, 5:57 PM PST · 15234 days ago · 0 km deep · 0 km away
2. 1.52 km WNW of Clear Lake Riviera, CaliforniaFri, Jan 11, 7:05 PM PST · 15234 days ago · 4 km deep · 16 km away
3. 2.04 km WSW of Cobb, CaliforniaSat, Jan 12, 5:16 AM PST · 15234 days ago · 1 km deep · 2 km away
4. 1.64 km SSW of Clear Lake Riviera, CaliforniaSat, Jan 12, 6:17 AM PST · 15234 days ago · -1 km deep · 11 km away
5. 1.66 km W of Cobb, CaliforniaSat, Jan 12, 2:50 PM PST · 15233 days ago · 3 km deep · 2 km away
6. 2.19 km SW of Hopland, CaliforniaSat, Jan 12, 5:50 PM PST · 15233 days ago · 14 km deep · 36 km away
7. 2.26 km WNW of Potter Valley, CaliforniaSat, Jan 12, 7:49 PM PST · 15233 days ago · 5 km deep · 68 km away
8. 1.86 km WSW of Cobb, CaliforniaSat, Jan 12, 9:36 PM PST · 15233 days ago · 1 km deep · 2 km away
9. 1.56 km W of Cobb, CaliforniaSat, Jan 12, 11:32 PM PST · 15233 days ago · 3 km deep · 2 km away
10. 1.520 km NNE of Upper Lake, CaliforniaSun, Jan 13, 1:21 PM PST · 15232 days ago · 5 km deep · 58 km away
11. 1.65 km W of Calpella, CaliforniaSun, Jan 13, 1:25 PM PST · 15232 days ago · 3 km deep · 62 km away
12. 3.06 km W of Cobb, CaliforniaMon, Jan 14, 4:04 AM PST · 15232 days ago · 2 km deep · 2 km away
13. 1.85 km SW of Cobb, CaliforniaMon, Jan 14, 7:45 AM PST · 15232 days ago · 0 km deep · 4 km away
14. 1.56 km W of Cobb, CaliforniaMon, Jan 14, 9:11 AM PST · 15232 days ago · 1 km deep · 2 km away
15. 1.96 km WSW of Cobb, CaliforniaMon, Jan 14, 9:59 AM PST · 15232 days ago · 3 km deep · 2 km away
16. 1.96 km W of Cobb, CaliforniaMon, Jan 14, 4:37 PM PST · 15231 days ago · -1 km deep · 2 km away
17. 1.77 km W of Cobb, CaliforniaMon, Jan 14, 6:51 PM PST · 15231 days ago · 3 km deep · 3 km away
18. 1.76 km WSW of Cobb, CaliforniaTue, Jan 15, 12:47 AM PST · 15231 days ago · 1 km deep · 2 km away
19. 2.36 km WSW of Cobb, CaliforniaTue, Jan 15, 1:40 AM PST · 15231 days ago · 1 km deep · 2 km away
20. 1.66 km WSW of Cobb, CaliforniaTue, Jan 15, 1:42 AM PST · 15231 days ago · 0 km deep · 2 km away
21. 1.72 km W of Sea Ranch, CaliforniaTue, Jan 15, 1:43 AM PST · 15231 days ago · 4 km deep · 62 km away
22. 2.63 km NW of Cobb, CaliforniaTue, Jan 15, 5:25 AM PST · 15231 days ago · 0 km deep · 4 km away
23. 1.56 km W of Cobb, CaliforniaTue, Jan 15, 8:39 AM PST · 15231 days ago · 1 km deep · 2 km away
24. 1.64 km ENE of Willits, CaliforniaTue, Jan 15, 12:02 PM PST · 15230 days ago · 2 km deep · 81 km away
25. 1.67 km WSW of Cobb, CaliforniaWed, Jan 16, 1:44 PM PST · 15229 days ago · 1 km deep · 3 km away
26. 1.75 km WSW of Cobb, CaliforniaWed, Jan 16, 8:00 PM PST · 15229 days ago · 0 km deep · 2 km away
27. 1.9Northern CaliforniaThu, Jan 17, 12:16 PM PST · 15228 days ago · 1 km deep · 4 km away
28. 1.97 km W of Cobb, CaliforniaThu, Jan 17, 8:44 PM PST · 15228 days ago · 3 km deep · 3 km away
29. 1.81 km S of Hopland, CaliforniaSat, Jan 19, 5:49 AM PST · 15227 days ago · 21 km deep · 33 km away
30. 2.26 km W of Cobb, CaliforniaSat, Jan 19, 11:21 AM PST · 15227 days ago · 2 km deep · 2 km away
31. 1.714 km NNE of Angwin, CaliforniaSat, Jan 19, 6:23 PM PST · 15226 days ago · 13 km deep · 38 km away
32. 1.77 km WSW of Cobb, CaliforniaSat, Jan 19, 11:39 PM PST · 15226 days ago · 3 km deep · 3 km away
33. 1.614 km SSW of Hopland, CaliforniaSun, Jan 20, 2:08 PM PST · 15225 days ago · 12 km deep · 38 km away
34. 1.74 km WSW of Cobb, CaliforniaSun, Jan 20, 3:32 PM PST · 15225 days ago · 1 km deep · 2 km away
35. 1.62 km SE of Hopland, CaliforniaMon, Jan 21, 4:25 AM PST · 15225 days ago · 10 km deep · 31 km away
36. 1.65 km SSW of Hopland, CaliforniaMon, Jan 21, 1:58 PM PST · 15224 days ago · 2 km deep · 33 km away
37. 1.912 km W of Cobb, CaliforniaMon, Jan 21, 1:58 PM PST · 15224 days ago · -1 km deep · 8 km away
38. 1.76 km W of Cobb, CaliforniaMon, Jan 21, 4:31 PM PST · 15224 days ago · 0 km deep · 2 km away
39. 3.56 km W of Cobb, CaliforniaTue, Jan 22, 4:41 AM PST · 15224 days ago · 1 km deep · 2 km away
40. 2.66 km W of Cobb, CaliforniaTue, Jan 22, 4:42 AM PST · 15224 days ago · 1 km deep · 2 km away
41. 1.76 km W of Cobb, CaliforniaTue, Jan 22, 4:43 AM PST · 15224 days ago · 0 km deep · 2 km away
42. 1.96 km W of Cobb, CaliforniaTue, Jan 22, 4:44 AM PST · 15224 days ago · 2 km deep · 2 km away
43. 1.58 km WSW of Cobb, CaliforniaTue, Jan 22, 1:38 PM PST · 15223 days ago · 4 km deep · 4 km away
44. 1.87 km W of Cobb, CaliforniaTue, Jan 22, 2:36 PM PST · 15223 days ago · 3 km deep · 3 km away
45. 1.85 km SW of Cobb, CaliforniaTue, Jan 22, 3:32 PM PST · 15223 days ago · 1 km deep · 4 km away
46. 3.16 km WSW of Cobb, CaliforniaTue, Jan 22, 5:10 PM PST · 15223 days ago · 0 km deep · 3 km away
47. 1.57 km WSW of Cobb, CaliforniaTue, Jan 22, 5:12 PM PST · 15223 days ago · 1 km deep · 3 km away
48. 1.98 km ENE of Hopland, CaliforniaTue, Jan 22, 5:13 PM PST · 15223 days ago · 22 km deep · 30 km away
49. 2.37 km WSW of Cobb, CaliforniaTue, Jan 22, 5:14 PM PST · 15223 days ago · 0 km deep · 3 km away
50. 2.57 km WSW of Cobb, CaliforniaTue, Jan 22, 5:14 PM PST · 15223 days ago · 0 km deep · 3 km away
51. 1.67 km WSW of Cobb, CaliforniaTue, Jan 22, 5:17 PM PST · 15223 days ago · 1 km deep · 3 km away
52. 2.07 km WSW of Cobb, CaliforniaTue, Jan 22, 5:23 PM PST · 15223 days ago · 1 km deep · 3 km away
53. 1.76 km W of Cobb, CaliforniaTue, Jan 22, 7:48 PM PST · 15223 days ago · 3 km deep · 2 km away
54. 1.67 km W of Cobb, CaliforniaTue, Jan 22, 8:52 PM PST · 15223 days ago · 3 km deep · 3 km away
55. 1.66 km W of Cobb, CaliforniaTue, Jan 22, 11:56 PM PST · 15223 days ago · 3 km deep · 2 km away
56. 2.77 km W of Cobb, CaliforniaWed, Jan 23, 12:46 AM PST · 15223 days ago · 1 km deep · 3 km away
57. 1.86 km W of Cobb, CaliforniaWed, Jan 23, 2:03 AM PST · 15223 days ago · 3 km deep · 2 km away
58. 1.920 km NNE of Potter Valley, CaliforniaWed, Jan 23, 9:43 AM PST · 15223 days ago · 7 km deep · 77 km away
59. 2.07 km WSW of Cobb, CaliforniaWed, Jan 23, 1:34 PM PST · 15222 days ago · 1 km deep · 3 km away
60. 1.511 km NNE of Angwin, CaliforniaThu, Jan 24, 1:15 PM PST · 15221 days ago · 1 km deep · 36 km away

The first 60 of 195.

Before

1. 1.86 km WSW of Cobb, CaliforniaFri, Jan 11, 7:59 AM PST · 15235 days ago · 0 km deep · 2 km away
2. 1.75 km SW of Cobb, CaliforniaFri, Jan 11, 6:47 AM PST · 15235 days ago · 1 km deep · 4 km away
3. 1.613 km E of Angwin, CaliforniaThu, Jan 10, 9:39 PM PST · 15235 days ago · 2 km deep · 50 km away
4. 2.16 km W of Cobb, CaliforniaThu, Jan 10, 5:07 PM PST · 15235 days ago · 3 km deep · 2 km away
5. 2.06 km W of Cobb, CaliforniaThu, Jan 10, 12:42 PM PST · 15235 days ago · 2 km deep · 2 km away
6. 1.57 km WSW of Cobb, CaliforniaThu, Jan 10, 10:26 AM PST · 15236 days ago · 2 km deep · 3 km away
7. 1.76 km W of Cobb, CaliforniaThu, Jan 10, 1:07 AM PST · 15236 days ago · 3 km deep · 2 km away
8. 1.98 km W of Cobb, CaliforniaThu, Jan 10, 12:47 AM PST · 15236 days ago · 0 km deep · 3 km away
9. 1.74 km NNW of Geyserville, CaliforniaWed, Jan 9, 10:22 PM PST · 15236 days ago · 3 km deep · 15 km away
10. 1.6Northern CaliforniaWed, Jan 9, 7:40 PM PST · 15236 days ago · 0 km deep · 2 km away
11. 1.58 km W of Cobb, CaliforniaWed, Jan 9, 1:19 PM PST · 15236 days ago · 1 km deep · 4 km away
12. 1.77 km WSW of Cobb, CaliforniaWed, Jan 9, 1:19 PM PST · 15236 days ago · 3 km deep · 4 km away
13. 1.75 km W of Cobb, CaliforniaWed, Jan 9, 10:52 AM PST · 15237 days ago · 1 km deep · 1 km away
14. 1.88 km W of Cobb, CaliforniaTue, Jan 8, 6:58 PM PST · 15237 days ago · 0 km deep · 4 km away
15. 1.5Northern CaliforniaTue, Jan 8, 2:30 PM PST · 15237 days ago · 1 km deep · 7 km away
16. 1.916 km ENE of Potter Valley, CaliforniaTue, Jan 8, 2:07 PM PST · 15237 days ago · 7 km deep · 66 km away
17. 1.97 km W of Cobb, CaliforniaTue, Jan 8, 2:38 AM PST · 15238 days ago · 0 km deep · 3 km away
18. 1.56 km WSW of Cobb, CaliforniaTue, Jan 8, 1:41 AM PST · 15238 days ago · 0 km deep · 2 km away
19. 1.76 km W of Cobb, CaliforniaMon, Jan 7, 3:21 PM PST · 15238 days ago · 4 km deep · 2 km away
20. 1.53 km WNW of Cobb, CaliforniaMon, Jan 7, 2:08 PM PST · 15238 days ago · 2 km deep · 2 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc37314. Read Mon, Sep 28, 2026, 7:21 AM UTC.