M1.9 earthquake 6 km W of Cobb, California

Magnitude

1.9 (md), micro

Local time

Sun, Jan 6, 1985, 6:17 PM PST

UTC

1985-01-07 02:17:36 UTC

Depth

1.3 km (0.8 mi), shallow

Epicenter

38.815° N, 122.800° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

69°

Stations used

19

• Cobb, CaliforniaPopulation 1,778. Forecast7 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast22 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast42 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast668 kmNW

After

1. 2.77 km W of Cobb, CaliforniaWed, Jan 23, 12:46 AM PST · 15217 days ago · 1 km deep · 1 km away
2. 1.86 km W of Cobb, CaliforniaWed, Jan 23, 2:03 AM PST · 15217 days ago · 3 km deep · 1 km away
3. 1.920 km NNE of Potter Valley, CaliforniaWed, Jan 23, 9:43 AM PST · 15217 days ago · 7 km deep · 77 km away
4. 2.07 km WSW of Cobb, CaliforniaWed, Jan 23, 1:34 PM PST · 15216 days ago · 1 km deep · 1 km away
5. 1.511 km NNE of Angwin, CaliforniaThu, Jan 24, 1:15 PM PST · 15215 days ago · 1 km deep · 37 km away
6. 1.56 km W of Cobb, CaliforniaThu, Jan 24, 3:47 PM PST · 15215 days ago · 3 km deep · 1 km away
7. 2.86 km W of Cobb, CaliforniaThu, Jan 24, 6:28 PM PST · 15215 days ago · 3 km deep · 1 km away
8. 1.97 km WSW of Cobb, CaliforniaThu, Jan 24, 8:34 PM PST · 15215 days ago · 2 km deep · 1 km away
9. 1.97 km NNE of Geyserville, CaliforniaFri, Jan 25, 3:50 PM PST · 15214 days ago · 2 km deep · 9 km away
10. 1.86 km W of Cobb, CaliforniaSat, Jan 26, 1:50 AM PST · 15214 days ago · 0 km deep · 1 km away
11. 1.67 km W of Cobb, CaliforniaSat, Jan 26, 1:52 AM PST · 15214 days ago · 1 km deep · 1 km away
12. 2.07 km W of Cobb, CaliforniaSat, Jan 26, 9:14 AM PST · 15214 days ago · 3 km deep · 1 km away
13. 1.76 km W of Cobb, CaliforniaSat, Jan 26, 11:02 AM PST · 15214 days ago · 1 km deep · 2 km away
14. 1.67 km W of Cobb, CaliforniaSat, Jan 26, 12:42 PM PST · 15213 days ago · 4 km deep · 1 km away
15. 3.25 km NNW of Geyserville, CaliforniaSat, Jan 26, 2:54 PM PST · 15213 days ago · 4 km deep · 13 km away
16. 2.86 km WNW of Cobb, CaliforniaSat, Jan 26, 8:12 PM PST · 15213 days ago · 0 km deep · 3 km away
17. 1.53 km ENE of Willits, CaliforniaSun, Jan 27, 3:33 AM PST · 15213 days ago · 7 km deep · 81 km away
18. 1.87 km W of Cobb, CaliforniaSun, Jan 27, 5:18 AM PST · 15213 days ago · 4 km deep · 1 km away
19. 1.66 km W of Cobb, CaliforniaSun, Jan 27, 7:17 PM PST · 15212 days ago · 3 km deep · 0 km away
20. 1.59 km W of Cobb, CaliforniaMon, Jan 28, 5:02 AM PST · 15212 days ago · 2 km deep · 3 km away
21. 1.84 km WSW of Cobb, CaliforniaMon, Jan 28, 9:31 AM PST · 15212 days ago · 1 km deep · 3 km away
22. 2.67 km WSW of Cobb, CaliforniaMon, Jan 28, 1:45 PM PST · 15211 days ago · 4 km deep · 1 km away
23. 1.75 km W of Calpella, CaliforniaMon, Jan 28, 3:56 PM PST · 15211 days ago · 2 km deep · 61 km away
24. 1.77 km WSW of Cobb, CaliforniaMon, Jan 28, 4:46 PM PST · 15211 days ago · 2 km deep · 1 km away
25. 1.67 km NNE of Geyserville, CaliforniaTue, Jan 29, 10:30 AM PST · 15211 days ago · 2 km deep · 9 km away
26. 1.64 km E of Hopland, CaliforniaTue, Jan 29, 8:02 PM PST · 15210 days ago · 26 km deep · 30 km away
27. 1.63 km E of Hopland, CaliforniaTue, Jan 29, 8:09 PM PST · 15210 days ago · 23 km deep · 30 km away
28. 2.46 km SW of Cobb, CaliforniaTue, Jan 29, 10:04 PM PST · 15210 days ago · 2 km deep · 4 km away
29. 1.76 km W of Cobb, CaliforniaWed, Jan 30, 1:40 AM PST · 15210 days ago · 3 km deep · 0 km away
30. 3.17 km W of Cobb, CaliforniaWed, Jan 30, 2:26 AM PST · 15210 days ago · 4 km deep · 1 km away
31. 2.47 km W of Cobb, CaliforniaWed, Jan 30, 2:26 AM PST · 15210 days ago · 4 km deep · 1 km away
32. 1.818 km ENE of Potter Valley, CaliforniaWed, Jan 30, 6:49 AM PST · 15210 days ago · 9 km deep · 66 km away
33. 2.55 km SW of Cobb, CaliforniaWed, Jan 30, 7:12 PM PST · 15209 days ago · 1 km deep · 4 km away
34. 1.86 km W of Cobb, CaliforniaWed, Jan 30, 7:23 PM PST · 15209 days ago · 3 km deep · 1 km away
35. 1.56 km SSW of Hopland, CaliforniaThu, Jan 31, 4:31 AM PST · 15209 days ago · 0 km deep · 33 km away
36. 2.13 km SW of Cobb, CaliforniaThu, Jan 31, 5:08 AM PST · 15209 days ago · 1 km deep · 5 km away
37. 1.67 km W of Cobb, CaliforniaFri, Feb 1, 6:39 AM PST · 15208 days ago · 4 km deep · 1 km away
38. 1.61 km SW of Redwood Valley, CaliforniaFri, Feb 1, 6:39 AM PST · 15208 days ago · 3 km deep · 60 km away
39. 2.04 km WSW of Cobb, CaliforniaFri, Feb 1, 6:43 PM PST · 15207 days ago · 1 km deep · 3 km away
40. 1.95 km NNW of Geyserville, CaliforniaSat, Feb 2, 4:44 PM PST · 15206 days ago · 5 km deep · 13 km away
41. 1.66 km E of Willits, CaliforniaSat, Feb 2, 8:33 PM PST · 15206 days ago · 5 km deep · 78 km away
42. 1.77 km WSW of Cobb, CaliforniaSat, Feb 2, 10:42 PM PST · 15206 days ago · 4 km deep · 1 km away
43. 1.95 km ENE of Clearlake, CaliforniaSat, Feb 2, 11:01 PM PST · 15206 days ago · 1 km deep · 27 km away
44. 1.65 km SSW of Cobb, CaliforniaSun, Feb 3, 3:08 AM PST · 15206 days ago · 1 km deep · 5 km away
45. 2.45 km E of Redwood Valley, CaliforniaSun, Feb 3, 12:41 PM PST · 15205 days ago · 7 km deep · 57 km away
46. 1.56 km W of Cobb, CaliforniaMon, Feb 4, 6:00 AM PST · 15205 days ago · 3 km deep · 1 km away
47. 1.611 km SSW of Kelseyville, CaliforniaTue, Feb 5, 11:01 PM PST · 15203 days ago · 9 km deep · 10 km away
48. 1.97 km WSW of Cobb, CaliforniaTue, Feb 5, 11:29 PM PST · 15203 days ago · 1 km deep · 2 km away
49. 1.68 km ENE of Willits, CaliforniaWed, Feb 6, 12:20 AM PST · 15203 days ago · 9 km deep · 80 km away
50. 1.74 km W of Cobb, CaliforniaWed, Feb 6, 10:11 AM PST · 15203 days ago · -1 km deep · 2 km away
51. 2.25 km SW of Cobb, CaliforniaWed, Feb 6, 11:24 AM PST · 15203 days ago · 0 km deep · 5 km away
52. 1.611 km ESE of Hidden Valley Lake, CaliforniaWed, Feb 6, 1:33 PM PST · 15202 days ago · 0 km deep · 33 km away
53. 1.66 km W of Cobb, CaliforniaWed, Feb 6, 3:38 PM PST · 15202 days ago · 3 km deep · 1 km away
54. 1.85 km W of Cobb, CaliforniaWed, Feb 6, 6:29 PM PST · 15202 days ago · 0 km deep · 1 km away
55. 1.69 km E of Willits, CaliforniaWed, Feb 6, 7:42 PM PST · 15202 days ago · 8 km deep · 76 km away
56. 2.03 km SW of Cobb, CaliforniaThu, Feb 7, 5:42 AM PST · 15202 days ago · 1 km deep · 5 km away
57. 1.62 km SW of Cobb, CaliforniaThu, Feb 7, 8:44 AM PST · 15202 days ago · 4 km deep · 5 km away
58. 2.08 km W of Cobb, CaliforniaThu, Feb 7, 6:46 PM PST · 15201 days ago · 1 km deep · 2 km away
59. 1.613 km SE of Hidden Valley Lake, CaliforniaThu, Feb 7, 8:49 PM PST · 15201 days ago · -1 km deep · 33 km away
60. 2.45 km WSW of Cobb, CaliforniaFri, Feb 8, 4:59 PM PST · 15200 days ago · 0 km deep · 3 km away

The first 60 of 193.

From the USGS Earthquake Hazards Program and its partner networks, event nc36610. Read Tue, Sep 22, 2026, 8:03 AM UTC.