M1.8 earthquake 8 km W of Cobb, California

Magnitude

1.8 (md), micro

Local time

Sat, Jun 1, 1985, 7:55 AM PDT

UTC

1985-06-01 14:55:25 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

38.816° N, 122.817° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

83°

Stations used

12

• Cobb, CaliforniaPopulation 1,778. Forecast8 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast23 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast43 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast669 kmNW

After

1. 2.010 km NNE of Hopland, CaliforniaMon, Jun 3, 3:23 AM PDT · 15086 days ago · 5 km deep · 35 km away
2. 2.27 km W of Cobb, CaliforniaMon, Jun 3, 1:49 PM PDT · 15086 days ago · 0 km deep · 0 km away
3. 1.66 km W of Cobb, CaliforniaTue, Jun 4, 3:41 AM PDT · 15085 days ago · 4 km deep · 2 km away
4. 1.722 km NE of Potter Valley, CaliforniaTue, Jun 4, 12:29 PM PDT · 15085 days ago · 7 km deep · 73 km away
5. 1.65 km SW of Cobb, CaliforniaTue, Jun 4, 3:06 PM PDT · 15085 days ago · 1 km deep · 6 km away
6. 1.89 km S of Hopland, CaliforniaTue, Jun 4, 6:54 PM PDT · 15085 days ago · 5 km deep · 29 km away
7. 2.24 km SW of Cobb, CaliforniaTue, Jun 4, 10:34 PM PDT · 15084 days ago · 1 km deep · 6 km away
8. 2.38 km E of Williams, CaliforniaWed, Jun 5, 3:52 AM PDT · 15084 days ago · 17 km deep · 75 km away
9. 1.66 km WSW of Cobb, CaliforniaWed, Jun 5, 10:41 AM PDT · 15084 days ago · 1 km deep · 2 km away
10. 1.8near the coast of Northern CaliforniaWed, Jun 5, 12:03 PM PDT · 15084 days ago · 4 km deep · 64 km away
11. 2.014 km N of Upper Lake, CaliforniaWed, Jun 5, 1:20 PM PDT · 15084 days ago · -1 km deep · 54 km away
12. 1.76 km W of Cobb, CaliforniaThu, Jun 6, 1:00 AM PDT · 15083 days ago · 3 km deep · 1 km away
13. 1.75 km WSW of Cobb, CaliforniaThu, Jun 6, 3:12 AM PDT · 15083 days ago · 0 km deep · 3 km away
14. 1.68 km WSW of Cobb, CaliforniaThu, Jun 6, 4:30 AM PDT · 15083 days ago · 3 km deep · 2 km away
15. 2.07 km NNE of Arbuckle, CaliforniaThu, Jun 6, 4:14 PM PDT · 15083 days ago · 8 km deep · 75 km away
16. 1.65 km NE of College City, CaliforniaThu, Jun 6, 6:30 PM PDT · 15083 days ago · 4 km deep · 77 km away
17. 1.79 km NW of Cobb, CaliforniaThu, Jun 6, 8:38 PM PDT · 15083 days ago · 1 km deep · 7 km away
18. 2.09 km ESE of Williams, CaliforniaFri, Jun 7, 11:57 AM PDT · 15082 days ago · 5 km deep · 75 km away
19. 2.26 km W of Cobb, CaliforniaFri, Jun 7, 12:28 PM PDT · 15082 days ago · 2 km deep · 1 km away
20. 1.66 km W of Cobb, CaliforniaFri, Jun 7, 12:28 PM PDT · 15082 days ago · 2 km deep · 2 km away
21. 1.66 km W of Cobb, CaliforniaFri, Jun 7, 6:43 PM PDT · 15082 days ago · 0 km deep · 2 km away
22. 1.98 km W of Cobb, CaliforniaFri, Jun 7, 9:47 PM PDT · 15081 days ago · 0 km deep · 1 km away
23. 1.910 km N of Arbuckle, CaliforniaSat, Jun 8, 8:07 AM PDT · 15081 days ago · 7 km deep · 75 km away
24. 1.56 km W of Cobb, CaliforniaSun, Jun 9, 1:16 AM PDT · 15080 days ago · 3 km deep · 1 km away
25. 1.85 km SW of Cobb, CaliforniaSun, Jun 9, 12:41 PM PDT · 15080 days ago · 0 km deep · 5 km away
26. 1.75 km SW of Cobb, CaliforniaMon, Jun 10, 1:11 PM PDT · 15079 days ago · 1 km deep · 5 km away
27. 1.67 km WSW of Cobb, CaliforniaMon, Jun 10, 5:37 PM PDT · 15079 days ago · 1 km deep · 2 km away
28. 1.89 km WSW of Ukiah, CaliforniaTue, Jun 11, 9:25 AM PDT · 15078 days ago · 4 km deep · 55 km away
29. 1.65 km W of Cobb, CaliforniaTue, Jun 11, 1:10 PM PDT · 15078 days ago · 1 km deep · 3 km away
30. 1.66 km W of Cobb, CaliforniaTue, Jun 11, 9:24 PM PDT · 15078 days ago · 2 km deep · 2 km away
31. 1.67 km NNE of Hopland, CaliforniaTue, Jun 11, 11:46 PM PDT · 15077 days ago · 0 km deep · 34 km away
32. 2.3Northern CaliforniaWed, Jun 12, 8:38 AM PDT · 15077 days ago · 5 km deep · 52 km away
33. 3.16 km W of Cobb, CaliforniaWed, Jun 12, 6:53 PM PDT · 15077 days ago · 1 km deep · 2 km away
34. 1.56 km W of Cobb, CaliforniaWed, Jun 12, 7:14 PM PDT · 15077 days ago · 1 km deep · 2 km away
35. 2.2Northern CaliforniaWed, Jun 12, 10:34 PM PDT · 15076 days ago · 18 km deep · 76 km away
36. 1.76 km WSW of Colusa, CaliforniaThu, Jun 13, 6:46 PM PDT · 15076 days ago · 13 km deep · 76 km away
37. 1.68 km SW of Clear Lake Riviera, CaliforniaThu, Jun 13, 9:41 PM PDT · 15075 days ago · 2 km deep · 9 km away
38. 1.99 km W of Redwood Valley, CaliforniaThu, Jun 13, 10:38 PM PDT · 15075 days ago · 7 km deep · 67 km away
39. 2.218 km WSW of Esparto, CaliforniaFri, Jun 14, 1:37 AM PDT · 15075 days ago · 6 km deep · 56 km away
40. 1.87 km W of Cobb, CaliforniaFri, Jun 14, 5:37 PM PDT · 15075 days ago · 1 km deep · 1 km away
41. 1.67 km W of Cobb, CaliforniaFri, Jun 14, 9:19 PM PDT · 15075 days ago · 1 km deep · 1 km away
42. 2.46 km W of Cobb, CaliforniaSat, Jun 15, 12:16 AM PDT · 15074 days ago · 3 km deep · 1 km away
43. 1.66 km W of Cobb, CaliforniaSat, Jun 15, 6:37 AM PDT · 15074 days ago · 3 km deep · 2 km away
44. 1.612 km ENE of Healdsburg, CaliforniaSat, Jun 15, 9:35 AM PDT · 15074 days ago · 4 km deep · 20 km away
45. 2.76 km E of Williams, CaliforniaSat, Jun 15, 9:11 PM PDT · 15074 days ago · 17 km deep · 75 km away
46. 1.511 km E of Hidden Valley Lake, CaliforniaSun, Jun 16, 12:22 AM PDT · 15073 days ago · 8 km deep · 33 km away
47. 2.17 km SSW of Colusa, CaliforniaSun, Jun 16, 3:23 AM PDT · 15073 days ago · 3 km deep · 77 km away
48. 1.88 km WSW of Cobb, CaliforniaSun, Jun 16, 5:39 AM PDT · 15073 days ago · 3 km deep · 2 km away
49. 1.86 km NE of Williams, CaliforniaSun, Jun 16, 7:04 AM PDT · 15073 days ago · 18 km deep · 75 km away
50. 1.89 km WSW of Cobb, CaliforniaSun, Jun 16, 12:30 PM PDT · 15073 days ago · 2 km deep · 3 km away
51. 2.14 km ENE of Williams, CaliforniaMon, Jun 17, 2:32 AM PDT · 15072 days ago · 21 km deep · 74 km away
52. 2.19 km ENE of Brooktrails, CaliforniaMon, Jun 17, 3:21 AM PDT · 15072 days ago · 10 km deep · 85 km away
53. 1.77 km W of Cobb, CaliforniaMon, Jun 17, 5:43 AM PDT · 15072 days ago · 0 km deep · 1 km away
54. 1.57 km W of Cobb, CaliforniaMon, Jun 17, 8:07 AM PDT · 15072 days ago · 1 km deep · 1 km away
55. 2.3Northern CaliforniaMon, Jun 17, 8:52 AM PDT · 15072 days ago · 4 km deep · 58 km away
56. 2.76 km W of Cobb, CaliforniaMon, Jun 17, 8:07 PM PDT · 15072 days ago · 3 km deep · 1 km away
57. 2.19 km NNE of Arbuckle, CaliforniaTue, Jun 18, 12:41 AM PDT · 15071 days ago · 13 km deep · 76 km away
58. 1.912 km NW of Moskowite Corner, CaliforniaTue, Jun 18, 2:38 AM PDT · 15071 days ago · 10 km deep · 56 km away
59. 1.67 km W of Cobb, CaliforniaTue, Jun 18, 6:18 AM PDT · 15071 days ago · 1 km deep · 1 km away
60. 1.63 km SW of Cobb, CaliforniaWed, Jun 19, 9:27 AM PDT · 15070 days ago · 1 km deep · 6 km away

The first 60 of 181.

From the USGS Earthquake Hazards Program and its partner networks, event nc48847. Read Tue, Sep 22, 2026, 3:56 PM UTC.