M1.9 earthquake 1 km ESE of Sonoma, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Jun 8, 1982, 11:57 PM PDT

UTC

1982-06-09 06:57:41 UTC

Depth

9.8 km (6.1 mi), shallow

Epicenter

38.283° N, 122.439° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.6 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

251°, poorly surrounded by stations

Stations used

11

• Sonoma, CaliforniaPopulation 11,037. Forecast2 kmESE
• Vallejo, CaliforniaPopulation 121,692. Forecast25 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast602 kmNW

After

1. 1.62 km NNE of Piedmont, CaliforniaWed, Jun 9, 9:37 PM PDT · 16186 days ago · 6 km deep · 52 km away
2. 1.84 km WSW of Cobb, CaliforniaWed, Jun 9, 10:43 PM PDT · 16186 days ago · 4 km deep · 65 km away
3. 1.55 km WSW of Rutherford, CaliforniaThu, Jun 10, 9:58 PM PDT · 16185 days ago · 9 km deep · 19 km away
4. 2.11 km ENE of Pacheco, CaliforniaFri, Jun 11, 8:31 AM PDT · 16185 days ago · 14 km deep · 47 km away
5. 1.85 km WSW of Cobb, CaliforniaSat, Jun 12, 12:15 AM PDT · 16184 days ago · 0 km deep · 64 km away
6. 2.05 km WSW of Cobb, CaliforniaSat, Jun 12, 12:54 AM PDT · 16184 days ago · 0 km deep · 64 km away
7. 1.52 km E of Kelseyville, CaliforniaSun, Jun 13, 8:49 AM PDT · 16183 days ago · 13 km deep · 84 km away
8. 2.92 km NNE of Castro Valley, CaliforniaSun, Jun 13, 5:40 PM PDT · 16183 days ago · 11 km deep · 71 km away
9. 1.72 km NNE of Castro Valley, CaliforniaSun, Jun 13, 9:02 PM PDT · 16182 days ago · 10 km deep · 71 km away
10. 1.63 km E of Windsor, CaliforniaMon, Jun 14, 7:50 AM PDT · 16182 days ago · 4 km deep · 41 km away
11. 1.93 km E of Windsor, CaliforniaMon, Jun 14, 9:56 AM PDT · 16182 days ago · 2 km deep · 42 km away
12. 3.07 km N of Geyserville, CaliforniaMon, Jun 14, 1:29 PM PDT · 16182 days ago · 5 km deep · 69 km away
13. 1.98 km NNW of Geyserville, CaliforniaMon, Jun 14, 5:13 PM PDT · 16182 days ago · 2 km deep · 70 km away
14. 1.92 km S of Angwin, CaliforniaTue, Jun 15, 7:35 PM PDT · 16180 days ago · 12 km deep · 30 km away
15. 2.26 km SW of Cobb, CaliforniaWed, Jun 16, 7:53 AM PDT · 16180 days ago · 0 km deep · 63 km away
16. 2.64 km WSW of Cobb, CaliforniaWed, Jun 16, 4:27 PM PDT · 16180 days ago · 1 km deep · 64 km away
17. 2.110 km SE of Hopland, CaliforniaWed, Jun 16, 4:58 PM PDT · 16180 days ago · 7 km deep · 86 km away
18. 1.76 km ENE of Eldridge, CaliforniaWed, Jun 16, 5:43 PM PDT · 16180 days ago · 6 km deep · 11 km away
19. 1.86 km SE of Sunol, CaliforniaFri, Jun 18, 11:05 PM PDT · 16177 days ago · 9 km deep · 96 km away
20. 1.63 km NNE of Cobb, CaliforniaSat, Jun 19, 11:02 PM PDT · 16176 days ago · 3 km deep · 68 km away
21. 2.37 km S of Dunnigan, CaliforniaSat, Jun 19, 11:37 PM PDT · 16176 days ago · 13 km deep · 73 km away
22. 1.716 km W of Williams, CaliforniaMon, Jun 21, 1:44 PM PDT · 16175 days ago · 2 km deep · 96 km away
23. 1.78 km NNW of Geyserville, CaliforniaMon, Jun 21, 2:32 PM PDT · 16175 days ago · 3 km deep · 69 km away
24. 2.54 km WSW of Cobb, CaliforniaTue, Jun 22, 10:38 AM PDT · 16174 days ago · 1 km deep · 65 km away
25. 1.75 km WSW of Cobb, CaliforniaTue, Jun 22, 12:35 PM PDT · 16174 days ago · 0 km deep · 65 km away
26. 1.61 km N of Castro Valley, CaliforniaWed, Jun 23, 11:08 AM PDT · 16173 days ago · 10 km deep · 71 km away
27. 1.811 km SE of Hopland, CaliforniaWed, Jun 23, 11:13 PM PDT · 16172 days ago · 6 km deep · 86 km away
28. 1.87 km NE of Cloverdale, CaliforniaThu, Jun 24, 10:44 AM PDT · 16172 days ago · 2 km deep · 77 km away
29. 1.64 km SSW of Cobb, CaliforniaThu, Jun 24, 5:31 PM PDT · 16172 days ago · 0 km deep · 63 km away
30. 1.53 km E of Windsor, CaliforniaFri, Jun 25, 11:05 PM PDT · 16170 days ago · 4 km deep · 42 km away
31. 1.75 km E of American Canyon, CaliforniaSat, Jun 26, 10:38 AM PDT · 16170 days ago · 9 km deep · 24 km away
32. 1.82 km ENE of San Leandro, CaliforniaMon, Jun 28, 9:53 AM PDT · 16168 days ago · 9 km deep · 67 km away
33. 1.77 km SE of Hopland, CaliforniaMon, Jun 28, 12:58 PM PDT · 16168 days ago · 6 km deep · 89 km away
34. 2.26 km W of Cobb, CaliforniaTue, Jun 29, 11:52 AM PDT · 16167 days ago · 2 km deep · 67 km away
35. 1.65 km WSW of Cobb, CaliforniaTue, Jun 29, 5:39 PM PDT · 16167 days ago · 0 km deep · 64 km away
36. 2.58 km SSW of Livermore, CaliforniaWed, Jun 30, 10:15 PM PDT · 16165 days ago · 7 km deep · 94 km away
37. 1.99 km E of Lower Lake, CaliforniaThu, Jul 1, 9:39 PM PDT · 16164 days ago · 1 km deep · 70 km away
38. 2.95 km WSW of Cobb, CaliforniaFri, Jul 2, 8:40 PM PDT · 16163 days ago · 2 km deep · 66 km away
39. 2.66 km W of Cobb, CaliforniaFri, Jul 2, 9:27 PM PDT · 16163 days ago · 4 km deep · 67 km away
40. 1.71 km NNW of Larkfield-Wikiup, CaliforniaSat, Jul 3, 1:42 PM PDT · 16163 days ago · 5 km deep · 39 km away
41. 1.52 km NE of El Cerrito, CaliforniaSun, Jul 4, 4:21 AM PDT · 16162 days ago · 6 km deep · 41 km away
42. 1.77 km ESE of Geyserville, CaliforniaSun, Jul 4, 2:01 PM PDT · 16162 days ago · 6 km deep · 56 km away
43. 1.612 km NE of Cloverdale, CaliforniaMon, Jul 5, 1:54 AM PDT · 16161 days ago · 3 km deep · 79 km away
44. 1.71 km ENE of Pacheco, CaliforniaWed, Jul 7, 5:37 AM PDT · 16159 days ago · 13 km deep · 46 km away
45. 1.56 km ENE of Hopland, CaliforniaWed, Jul 7, 11:17 AM PDT · 16159 days ago · 5 km deep · 95 km away
46. 1.77 km W of Cobb, CaliforniaWed, Jul 7, 2:26 PM PDT · 16159 days ago · 2 km deep · 67 km away
47. 1.73 km WSW of Oakville, CaliforniaWed, Jul 7, 5:18 PM PDT · 16159 days ago · 7 km deep · 16 km away
48. 1.710 km S of Muir Beach, CaliforniaThu, Jul 8, 4:11 PM PDT · 16158 days ago · 11 km deep · 58 km away
49. 1.79 km SE of Hopland, CaliforniaThu, Jul 8, 4:42 PM PDT · 16158 days ago · 6 km deep · 87 km away
50. 1.68 km SSW of Livermore, CaliforniaFri, Jul 9, 10:29 PM PDT · 16156 days ago · 5 km deep · 94 km away
51. 2.84 km WSW of Cobb, CaliforniaSat, Jul 10, 6:14 AM PDT · 16156 days ago · 1 km deep · 65 km away
52. 2.43 km WSW of Moskowite Corner, CaliforniaSat, Jul 10, 11:38 PM PDT · 16155 days ago · 9 km deep · 24 km away
53. 1.6Northern CaliforniaSun, Jul 11, 3:09 PM PDT · 16155 days ago · 11 km deep · 18 km away
54. 2.85 km WSW of Moskowite Corner, CaliforniaSun, Jul 11, 4:19 PM PDT · 16155 days ago · 10 km deep · 23 km away
55. 1.67 km NNW of Geyserville, CaliforniaSun, Jul 11, 7:52 PM PDT · 16154 days ago · 3 km deep · 69 km away
56. 2.38 km ESE of Cloverdale, CaliforniaSun, Jul 11, 8:22 PM PDT · 16154 days ago · 5 km deep · 70 km away
57. 2.28 km NNW of Geyserville, CaliforniaSun, Jul 11, 8:23 PM PDT · 16154 days ago · 3 km deep · 70 km away
58. 1.612 km ENE of Angwin, CaliforniaMon, Jul 12, 3:29 AM PDT · 16154 days ago · -1 km deep · 38 km away
59. 1.68 km ESE of Cloverdale, CaliforniaMon, Jul 12, 6:41 AM PDT · 16154 days ago · 6 km deep · 70 km away
60. 1.65 km SW of Cobb, CaliforniaMon, Jul 12, 7:43 AM PDT · 16154 days ago · -1 km deep · 63 km away

The first 60 of 123.

Before

1. 1.66 km SE of Sunol, CaliforniaTue, Jun 8, 3:24 PM PDT · 16188 days ago · 11 km deep · 97 km away
2. 1.53 km E of Windsor, CaliforniaSun, Jun 6, 8:14 AM PDT · 16190 days ago · 4 km deep · 42 km away
3. 1.74 km WSW of Cobb, CaliforniaSun, Jun 6, 5:04 AM PDT · 16190 days ago · 1 km deep · 65 km away
4. 2.010 km E of Blackhawk, CaliforniaSat, Jun 5, 7:12 PM PDT · 16190 days ago · 9 km deep · 76 km away
5. 1.86 km W of Cobb, CaliforniaSat, Jun 5, 12:07 AM PDT · 16191 days ago · 4 km deep · 67 km away
6. 1.73 km E of Sonoma, CaliforniaThu, Jun 3, 3:37 AM PDT · 16193 days ago · 11 km deep · 2 km away
7. 2.46 km W of Cobb, CaliforniaWed, Jun 2, 9:24 PM PDT · 16193 days ago · 4 km deep · 67 km away
8. 2.63 km E of Windsor, CaliforniaWed, Jun 2, 5:36 AM PDT · 16194 days ago · 4 km deep · 42 km away
9. 1.64 km NE of Fremont, CaliforniaMon, May 31, 4:11 PM PDT · 16196 days ago · 8 km deep · 90 km away
10. 1.78 km W of Cobb, CaliforniaSun, May 30, 3:08 AM PDT · 16197 days ago · 2 km deep · 69 km away
11. 1.99 km W of Cobb, CaliforniaSat, May 29, 10:44 PM PDT · 16197 days ago · 1 km deep · 68 km away
12. 1.51 km W of Moskowite Corner, CaliforniaSat, May 29, 1:26 PM PDT · 16198 days ago · 12 km deep · 27 km away
13. 1.59 km W of Cobb, CaliforniaSat, May 29, 12:34 PM PDT · 16198 days ago · 0 km deep · 68 km away
14. 1.66 km WSW of Cobb, CaliforniaSat, May 29, 11:10 AM PDT · 16198 days ago · 1 km deep · 66 km away
15. 1.89 km WSW of Cobb, CaliforniaSat, May 29, 9:31 AM PDT · 16198 days ago · 0 km deep · 67 km away
16. 1.67 km W of Cobb, CaliforniaSat, May 29, 6:35 AM PDT · 16198 days ago · 1 km deep · 69 km away
17. 3.06 km WNW of Cobb, CaliforniaSat, May 29, 6:16 AM PDT · 16198 days ago · 0 km deep · 69 km away
18. 1.68 km W of Cobb, CaliforniaSat, May 29, 6:10 AM PDT · 16198 days ago · 1 km deep · 68 km away
19. 3.28 km W of Cobb, CaliforniaSat, May 29, 6:07 AM PDT · 16198 days ago · 0 km deep · 68 km away
20. 2.58 km WSW of Cobb, CaliforniaSat, May 29, 6:04 AM PDT · 16198 days ago · 1 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1075186. Read Sat, Oct 3, 2026, 12:51 PM UTC.