M2.1 earthquake 6 km W of Cobb, California

Magnitude

2.1 (md), micro

Local time

Fri, Feb 6, 1976, 7:56 PM PST

UTC

1976-02-07 03:56:40 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

38.822° N, 122.803° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

35°

Stations used

23

• Cobb, CaliforniaPopulation 1,778. Forecast7 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast22 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast43 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast669 kmNW

After

1. 1.76 km W of Cobb, CaliforniaSat, Feb 7, 9:00 AM PST · 18490 days ago · 4 km deep · 1 km away
2. 1.55 km E of Cloverdale, CaliforniaSun, Feb 8, 6:44 AM PST · 18490 days ago · 0 km deep · 13 km away
3. 2.316 km NE of Nice, CaliforniaSun, Feb 8, 8:24 AM PST · 18489 days ago · 8 km deep · 46 km away
4. 1.77 km W of Cobb, CaliforniaSun, Feb 8, 9:10 AM PST · 18489 days ago · 3 km deep · 1 km away
5. 1.67 km WSW of Cobb, CaliforniaTue, Feb 10, 10:55 PM PST · 18487 days ago · 3 km deep · 2 km away
6. 2.63 km NE of Santa Rosa, CaliforniaThu, Feb 12, 7:21 AM PST · 18485 days ago · 8 km deep · 41 km away
7. 3.614 km SSW of Willits, CaliforniaSun, Feb 15, 11:12 AM PST · 18482 days ago · 11 km deep · 73 km away
8. 2.57 km W of Cobb, CaliforniaSun, Feb 15, 5:10 PM PST · 18482 days ago · 4 km deep · 1 km away
9. 2.17 km W of Cobb, CaliforniaSun, Feb 15, 5:10 PM PST · 18482 days ago · 3 km deep · 1 km away
10. 1.87 km W of Cobb, CaliforniaSun, Feb 15, 5:16 PM PST · 18482 days ago · 3 km deep · 1 km away
11. 1.74 km WSW of Cobb, CaliforniaTue, Feb 17, 4:32 AM PST · 18481 days ago · 2 km deep · 4 km away
12. 1.96 km WSW of Cobb, CaliforniaTue, Feb 17, 6:42 PM PST · 18480 days ago · 1 km deep · 1 km away
13. 2.16 km W of Cobb, CaliforniaThu, Feb 19, 1:41 PM PST · 18478 days ago · 3 km deep · 0 km away
14. 1.97 km W of Cobb, CaliforniaSun, Feb 22, 1:15 AM PST · 18476 days ago · 0 km deep · 1 km away
15. 2.57 km W of Cobb, CaliforniaTue, Feb 24, 3:53 PM PST · 18473 days ago · 0 km deep · 2 km away
16. 2.54 km E of Geyserville, CaliforniaTue, Feb 24, 5:25 PM PST · 18473 days ago · 4 km deep · 14 km away
17. 2.44 km ENE of Kenwood, CaliforniaTue, Feb 24, 10:24 PM PST · 18473 days ago · 8 km deep · 51 km away
18. 2.28 km WSW of Cobb, CaliforniaTue, Feb 24, 11:25 PM PST · 18473 days ago · 4 km deep · 3 km away
19. 1.58 km W of Cobb, CaliforniaThu, Feb 26, 4:22 PM PST · 18471 days ago · -1 km deep · 2 km away
20. 2.47 km WSW of Cobb, CaliforniaThu, Feb 26, 7:45 PM PST · 18471 days ago · -1 km deep · 2 km away
21. 1.57 km W of Cobb, CaliforniaMon, Mar 1, 5:17 PM PST · 18467 days ago · 2 km deep · 1 km away
22. 2.76 km W of Cobb, CaliforniaWed, Mar 3, 11:36 AM PST · 18465 days ago · 4 km deep · 1 km away
23. 1.96 km W of Cobb, CaliforniaWed, Mar 3, 12:15 PM PST · 18465 days ago · 3 km deep · 1 km away
24. 2.34 km WSW of Cobb, CaliforniaThu, Mar 4, 7:07 AM PST · 18464 days ago · 3 km deep · 3 km away
25. 3.14 km WSW of Cobb, CaliforniaThu, Mar 4, 7:08 AM PST · 18464 days ago · 1 km deep · 3 km away
26. 3.37 km WSW of Cobb, CaliforniaSat, Mar 6, 5:51 AM PST · 18463 days ago · 0 km deep · 2 km away
27. 1.78 km WSW of Cobb, CaliforniaSat, Mar 6, 12:49 PM PST · 18462 days ago · 1 km deep · 2 km away
28. 1.88 km W of Cobb, CaliforniaSun, Mar 7, 9:51 PM PST · 18461 days ago · -1 km deep · 2 km away
29. 1.97 km W of Cobb, CaliforniaMon, Mar 8, 4:58 PM PST · 18460 days ago · 3 km deep · 1 km away
30. 2.37 km W of Cobb, CaliforniaTue, Mar 9, 12:35 AM PST · 18460 days ago · 3 km deep · 0 km away
31. 1.67 km W of Cobb, CaliforniaTue, Mar 9, 12:36 AM PST · 18460 days ago · 3 km deep · 1 km away
32. 2.04 km W of Hopland, CaliforniaTue, Mar 9, 4:45 AM PST · 18460 days ago · 7 km deep · 36 km away
33. 2.16 km W of Cobb, CaliforniaTue, Mar 9, 7:07 AM PST · 18459 days ago · 0 km deep · 1 km away
34. 2.87 km W of Cobb, CaliforniaWed, Mar 10, 4:40 AM PST · 18459 days ago · 4 km deep · 0 km away
35. 1.68 km WSW of Cobb, CaliforniaSun, Mar 14, 5:21 PM PST · 18454 days ago · -1 km deep · 2 km away
36. 1.86 km S of Clear Lake Riviera, CaliforniaMon, Mar 15, 4:04 AM PST · 18454 days ago · 4 km deep · 11 km away
37. 1.66 km S of Clear Lake Riviera, CaliforniaMon, Mar 15, 4:40 AM PST · 18454 days ago · 2 km deep · 11 km away
38. 1.92 km SE of Clear Lake Riviera, CaliforniaMon, Mar 15, 12:16 PM PST · 18453 days ago · 1 km deep · 15 km away
39. 1.69 km W of Cobb, CaliforniaTue, Mar 16, 10:48 PM PST · 18452 days ago · 0 km deep · 3 km away
40. 1.88 km WSW of Cobb, CaliforniaWed, Mar 17, 5:57 PM PST · 18451 days ago · 4 km deep · 2 km away
41. 1.67 km W of Cobb, CaliforniaWed, Mar 17, 9:01 PM PST · 18451 days ago · 4 km deep · 1 km away
42. 1.98 km W of Cobb, CaliforniaThu, Mar 18, 1:56 AM PST · 18451 days ago · 0 km deep · 2 km away
43. 1.78 km WSW of Cobb, CaliforniaThu, Mar 18, 4:55 AM PST · 18451 days ago · 1 km deep · 2 km away
44. 2.78 km WSW of Cobb, CaliforniaThu, Mar 18, 4:57 AM PST · 18451 days ago · 1 km deep · 2 km away
45. 1.67 km E of Hopland, CaliforniaThu, Mar 18, 8:50 AM PST · 18450 days ago · 7 km deep · 27 km away
46. 2.27 km SW of Hopland, CaliforniaThu, Mar 18, 3:37 PM PST · 18450 days ago · 3 km deep · 35 km away
47. 2.118 km SW of Stonyford, CaliforniaFri, Mar 19, 6:16 AM PST · 18450 days ago · 8 km deep · 50 km away
48. 2.2Northern CaliforniaFri, Mar 19, 7:06 AM PST · 18450 days ago · 4 km deep · 1 km away
49. 2.117 km W of Stonyford, CaliforniaTue, Mar 23, 2:26 AM PST · 18446 days ago · 4 km deep · 62 km away
50. 1.77 km W of Cobb, CaliforniaSun, Mar 28, 3:05 AM PST · 18441 days ago · 0 km deep · 1 km away
51. 1.6Northern CaliforniaSun, Mar 28, 3:37 PM PST · 18440 days ago · 0 km deep · 1 km away
52. 1.912 km N of Cloverdale, CAMon, Mar 29, 1:42 PM PST · 18439 days ago · 3 km deep · 20 km away
53. 2.18 km N of Upper Lake, CaliforniaTue, Mar 30, 9:54 AM PST · 18438 days ago · 1 km deep · 47 km away
54. 2.16 km WSW of Cobb, CaliforniaTue, Mar 30, 6:04 PM PST · 18438 days ago · 0 km deep · 2 km away
55. 2.03 km NNW of Larkfield-Wikiup, CaliforniaTue, Mar 30, 11:06 PM PST · 18438 days ago · 7 km deep · 31 km away
56. 2.818 km NNE of Nice, CaliforniaWed, Mar 31, 4:30 PM PST · 18437 days ago · 7 km deep · 49 km away
57. 1.98 km WSW of Cobb, CaliforniaThu, Apr 1, 6:10 AM PST · 18437 days ago · 0 km deep · 2 km away
58. 1.96 km W of Cobb, CaliforniaMon, Apr 5, 4:24 AM PST · 18433 days ago · 3 km deep · 1 km away
59. 2.34 km W of Cobb, CaliforniaMon, Apr 5, 2:24 PM PST · 18432 days ago · 4 km deep · 2 km away

Before

1. 1.88 km SE of Hopland, CaliforniaFri, Feb 6, 3:37 PM PST · 18491 days ago · 1 km deep · 24 km away
2. 1.72 km N of Larkfield-Wikiup, CaliforniaWed, Feb 4, 5:05 AM PST · 18494 days ago · 8 km deep · 32 km away
3. 1.77 km W of Cobb, CaliforniaMon, Feb 2, 2:32 PM PST · 18495 days ago · 3 km deep · 0 km away
4. 1.82 km S of Clearlake, CaliforniaMon, Feb 2, 5:04 AM PST · 18496 days ago · 3 km deep · 19 km away
5. 2.07 km W of Cobb, CaliforniaSun, Feb 1, 5:38 PM PST · 18496 days ago · 1 km deep · 0 km away
6. 2.422 km NE of Potter Valley, CaliforniaSun, Feb 1, 6:13 AM PST · 18497 days ago · 9 km deep · 70 km away
7. 2.319 km ENE of Potter Valley, CaliforniaSun, Feb 1, 5:13 AM PST · 18497 days ago · 10 km deep · 64 km away
8. 1.614 km SSE of Boonville, CaliforniaSat, Jan 31, 5:10 PM PST · 18497 days ago · 4 km deep · 42 km away
9. 2.17 km WSW of Cobb, CaliforniaTue, Jan 27, 12:53 AM PST · 18502 days ago · 0 km deep · 2 km away
10. 2.54 km WSW of Cobb, CaliforniaMon, Jan 26, 5:08 PM PST · 18502 days ago · 4 km deep · 3 km away
11. 3.022 km ENE of Potter Valley, CaliforniaFri, Jan 23, 12:22 PM PST · 18505 days ago · 11 km deep · 64 km away
12. 2.517 km ENE of Potter Valley, CaliforniaThu, Jan 22, 5:03 PM PST · 18506 days ago · -1 km deep · 62 km away
13. 1.814 km NE of Nice, CaliforniaThu, Jan 22, 11:15 AM PST · 18506 days ago · 7 km deep · 45 km away
14. 1.77 km WSW of Cobb, CaliforniaTue, Jan 20, 10:45 PM PST · 18508 days ago · 1 km deep · 2 km away
15. 1.87 km WSW of Cobb, CaliforniaTue, Jan 20, 9:11 PM PST · 18508 days ago · 1 km deep · 2 km away
16. 1.78 km WSW of Cobb, CaliforniaTue, Jan 20, 11:31 AM PST · 18508 days ago · 4 km deep · 3 km away
17. 2.010 km W of Cobb, CaliforniaTue, Jan 20, 4:20 AM PST · 18509 days ago · 1 km deep · 4 km away
18. 3.36 km WSW of Cobb, CaliforniaSun, Jan 18, 11:25 AM PST · 18510 days ago · -1 km deep · 2 km away
19. 3.46 km W of North Lakeport, CaliforniaSat, Jan 17, 11:38 PM PST · 18511 days ago · 6 km deep · 34 km away
20. 2.08 km WSW of Cobb, CaliforniaThu, Jan 15, 5:58 AM PST · 18514 days ago · 4 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1028721. Read Wed, Sep 23, 2026, 2:36 AM UTC.