M1.5 earthquake 5 km SW of Cobb, California

Magnitude

1.5 (md), micro

Local time

Mon, Nov 18, 1985, 11:42 AM PST

UTC

1985-11-18 19:42:24 UTC

Depth

0.1 km (0.0 mi), shallow

Epicenter

38.793° N, 122.775° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

73°

Stations used

10

• Cobb, CaliforniaPopulation 1,778. Forecast6 kmSW
• Healdsburg, CaliforniaPopulation 11,742. Forecast22 kmNNE
• Santa Rosa, CaliforniaPopulation 178,127. Forecast39 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast665 kmNW

After

1. 2.24 km SW of Cobb, CaliforniaTue, Dec 3, 6:25 AM PST · 14903 days ago · 1 km deep · 2 km away
2. 1.85 km WSW of Cobb, CaliforniaTue, Dec 3, 11:45 AM PST · 14903 days ago · 1 km deep · 1 km away
3. 1.66 km W of Cobb, CaliforniaTue, Dec 3, 6:34 PM PST · 14903 days ago · 3 km deep · 4 km away
4. 2.07 km W of Cobb, CaliforniaWed, Dec 4, 12:51 AM PST · 14903 days ago · 1 km deep · 5 km away
5. 1.88 km W of Cobb, CaliforniaWed, Dec 4, 1:32 AM PST · 14903 days ago · 0 km deep · 5 km away
6. 1.88 km W of Cobb, CaliforniaWed, Dec 4, 1:35 AM PST · 14903 days ago · -1 km deep · 5 km away
7. 2.38 km W of Cobb, CaliforniaThu, Dec 5, 10:43 AM PST · 14901 days ago · 0 km deep · 5 km away
8. 1.86 km W of Cobb, CaliforniaThu, Dec 5, 5:28 PM PST · 14901 days ago · 1 km deep · 3 km away
9. 2.06 km W of Cobb, CaliforniaThu, Dec 5, 10:06 PM PST · 14901 days ago · 2 km deep · 3 km away
10. 1.66 km W of Cobb, CaliforniaFri, Dec 6, 12:50 AM PST · 14901 days ago · 2 km deep · 3 km away
11. 1.68 km W of Cobb, CaliforniaFri, Dec 6, 2:09 AM PST · 14901 days ago · 1 km deep · 5 km away
12. 2.614 km NNW of Moskowite Corner, CaliforniaFri, Dec 6, 7:54 PM PST · 14900 days ago · 3 km deep · 51 km away
13. 3.15 km SW of Cobb, CaliforniaFri, Dec 6, 9:15 PM PST · 14900 days ago · 1 km deep · 1 km away
14. 2.9Northern CaliforniaFri, Dec 6, 9:16 PM PST · 14900 days ago · 0 km deep · 0 km away
15. 2.06 km W of Cobb, CaliforniaFri, Dec 6, 10:36 PM PST · 14900 days ago · 3 km deep · 4 km away
16. 1.73 km WNW of Cobb, CaliforniaFri, Dec 6, 11:17 PM PST · 14900 days ago · 0 km deep · 4 km away
17. 1.73 km W of Glen Ellen, CaliforniaSat, Dec 7, 12:50 AM PST · 14900 days ago · 9 km deep · 51 km away
18. 1.79 km W of Cobb, CaliforniaSat, Dec 7, 12:29 PM PST · 14899 days ago · 1 km deep · 6 km away
19. 1.55 km SW of Cobb, CaliforniaSat, Dec 7, 4:35 PM PST · 14899 days ago · 1 km deep · 0 km away
20. 1.97 km W of Cobb, CaliforniaSat, Dec 7, 7:56 PM PST · 14899 days ago · 1 km deep · 5 km away
21. 1.67 km W of Cobb, CaliforniaSat, Dec 7, 8:19 PM PST · 14899 days ago · 1 km deep · 5 km away
22. 1.97 km W of Cobb, CaliforniaSat, Dec 7, 8:28 PM PST · 14899 days ago · 1 km deep · 5 km away
23. 1.68 km W of Cobb, CaliforniaSun, Dec 8, 12:58 AM PST · 14899 days ago · -1 km deep · 4 km away
24. 1.76 km W of Cobb, CaliforniaSun, Dec 8, 1:14 AM PST · 14899 days ago · 2 km deep · 3 km away
25. 1.67 km WSW of Cobb, CaliforniaSun, Dec 8, 11:45 AM PST · 14898 days ago · 0 km deep · 3 km away
26. 2.1Northern CaliforniaSun, Dec 8, 8:29 PM PST · 14898 days ago · 1 km deep · 2 km away
27. 1.77 km W of Cobb, CaliforniaMon, Dec 9, 6:08 AM PST · 14897 days ago · 1 km deep · 4 km away
28. 1.66 km W of Cobb, CaliforniaMon, Dec 9, 7:58 AM PST · 14897 days ago · 2 km deep · 3 km away
29. 2.07 km W of Cobb, CaliforniaMon, Dec 9, 4:04 PM PST · 14897 days ago · -1 km deep · 5 km away
30. 1.68 km W of Cobb, CaliforniaMon, Dec 9, 4:06 PM PST · 14897 days ago · 0 km deep · 5 km away
31. 1.84 km WSW of Cobb, CaliforniaMon, Dec 9, 6:32 PM PST · 14897 days ago · 0 km deep · 2 km away
32. 2.32 km S of Lakeport, CaliforniaTue, Dec 10, 2:24 AM PST · 14897 days ago · 21 km deep · 28 km away
33. 1.65 km SW of Cobb, CaliforniaTue, Dec 10, 4:00 AM PST · 14896 days ago · 0 km deep · 0 km away
34. 2.14 km W of Cobb, CaliforniaTue, Dec 10, 1:02 PM PST · 14896 days ago · 1 km deep · 3 km away
35. 2.08 km WSW of Cobb, CaliforniaTue, Dec 10, 4:10 PM PST · 14896 days ago · 3 km deep · 4 km away
36. 2.02 km W of Forestville, CaliforniaTue, Dec 10, 5:26 PM PST · 14896 days ago · 0 km deep · 38 km away
37. 1.87 km WSW of Cobb, CaliforniaTue, Dec 10, 5:48 PM PST · 14896 days ago · 1 km deep · 2 km away
38. 2.45 km SSW of Calistoga, CaliforniaTue, Dec 10, 7:22 PM PST · 14896 days ago · 5 km deep · 33 km away
39. 1.75 km SE of Calpella, CaliforniaTue, Dec 10, 8:43 PM PST · 14896 days ago · 5 km deep · 56 km away
40. 1.64 km S of Cobb, CaliforniaTue, Dec 10, 10:20 PM PST · 14896 days ago · 1 km deep · 5 km away
41. 1.56 km W of Cobb, CaliforniaTue, Dec 10, 11:47 PM PST · 14896 days ago · -1 km deep · 3 km away
42. 1.76 km W of Cobb, CaliforniaWed, Dec 11, 6:03 AM PST · 14895 days ago · 3 km deep · 3 km away
43. 2.27 km W of Cobb, CaliforniaWed, Dec 11, 3:33 PM PST · 14895 days ago · 1 km deep · 4 km away
44. 1.77 km W of Cobb, CaliforniaWed, Dec 11, 3:37 PM PST · 14895 days ago · 0 km deep · 4 km away
45. 1.84 km W of Cobb, CaliforniaThu, Dec 12, 5:03 PM PST · 14894 days ago · 1 km deep · 3 km away
46. 1.64 km W of Cobb, CaliforniaThu, Dec 12, 6:42 PM PST · 14894 days ago · 1 km deep · 3 km away
47. 1.77 km WSW of Cobb, CaliforniaThu, Dec 12, 8:05 PM PST · 14894 days ago · 3 km deep · 3 km away
48. 1.67 km WSW of Cobb, CaliforniaFri, Dec 13, 2:20 AM PST · 14894 days ago · 1 km deep · 2 km away
49. 1.69 km ENE of Hidden Valley Lake, CaliforniaFri, Dec 13, 4:17 AM PST · 14893 days ago · 9 km deep · 29 km away
50. 1.89 km ENE of Hidden Valley Lake, CaliforniaFri, Dec 13, 9:06 AM PST · 14893 days ago · 8 km deep · 28 km away
51. 1.66 km W of Cobb, CaliforniaFri, Dec 13, 4:17 PM PST · 14893 days ago · -1 km deep · 4 km away
52. 2.05 km WSW of Cobb, CaliforniaFri, Dec 13, 5:35 PM PST · 14893 days ago · 2 km deep · 2 km away
53. 1.67 km E of Willits, CaliforniaSat, Dec 14, 11:27 PM PST · 14892 days ago · 8 km deep · 81 km away
54. 1.66 km WSW of Cobb, CaliforniaSun, Dec 15, 5:30 AM PST · 14891 days ago · 3 km deep · 2 km away
55. 1.916 km NE of Lucerne, CaliforniaSun, Dec 15, 1:53 PM PST · 14891 days ago · 5 km deep · 47 km away
56. 2.25 km SW of Cobb, CaliforniaSun, Dec 15, 2:26 PM PST · 14891 days ago · 0 km deep · 2 km away
57. 1.68 km W of Cobb, CaliforniaMon, Dec 16, 3:51 AM PST · 14890 days ago · 1 km deep · 6 km away
58. 1.96 km W of Cobb, CaliforniaMon, Dec 16, 9:44 PM PST · 14890 days ago · 3 km deep · 4 km away
59. 2.05 km SW of Cobb, CaliforniaTue, Dec 17, 12:59 AM PST · 14890 days ago · 1 km deep · 2 km away
60. 1.54 km WSW of Cobb, CaliforniaTue, Dec 17, 3:30 PM PST · 14889 days ago · 1 km deep · 1 km away

The first 60 of 177.

From the USGS Earthquake Hazards Program and its partner networks, event nc1133061. Read Tue, Sep 22, 2026, 10:24 PM UTC.