M2.5 earthquake 5 km WSW of Cobb, California

Magnitude

2.5 (md), micro

Local time

Sun, Feb 12, 1984, 8:20 PM PST

UTC

1984-02-13 04:20:34 UTC

Depth

0.2 km (0.1 mi), shallow

Epicenter

38.795° N, 122.777° 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

±0.12

Depth from

From location

Station coverage gap

34°

Stations used

24

• Cobb, CaliforniaPopulation 1,778. Forecast6 kmWSW
• Healdsburg, CaliforniaPopulation 11,742. Forecast22 kmNNE
• Santa Rosa, CaliforniaPopulation 178,127. Forecast40 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast665 kmNW

After

1. 1.74 km ESE of Santa Rosa, CaliforniaSat, Mar 3, 12:56 AM PST · 15543 days ago · 9 km deep · 42 km away
2. 1.95 km SW of Cobb, CaliforniaSat, Mar 3, 3:08 AM PST · 15543 days ago · 1 km deep · 1 km away
3. 1.74 km ESE of Santa Rosa, CaliforniaSat, Mar 3, 8:45 AM PST · 15543 days ago · 7 km deep · 42 km away
4. 1.85 km WSW of Cobb, CaliforniaSat, Mar 3, 2:11 PM PST · 15543 days ago · 0 km deep · 2 km away
5. 1.66 km WSW of Cobb, CaliforniaSat, Mar 3, 9:59 PM PST · 15542 days ago · 0 km deep · 2 km away
6. 1.510 km WSW of Cobb, CaliforniaSun, Mar 4, 12:34 AM PST · 15542 days ago · 12 km deep · 5 km away
7. 1.77 km WSW of Cobb, CaliforniaSun, Mar 4, 2:25 PM PST · 15542 days ago · 1 km deep · 3 km away
8. 1.87 km W of Cobb, CaliforniaSun, Mar 4, 4:31 PM PST · 15542 days ago · -1 km deep · 4 km away
9. 3.18 km W of Cobb, CaliforniaSun, Mar 4, 4:32 PM PST · 15542 days ago · -1 km deep · 5 km away
10. 1.6Northern CaliforniaMon, Mar 5, 8:11 PM PST · 15540 days ago · 17 km deep · 42 km away
11. 2.17 km SW of Hopland, CaliforniaTue, Mar 6, 8:25 AM PST · 15540 days ago · 3 km deep · 38 km away
12. 1.76 km W of Cobb, CaliforniaTue, Mar 6, 9:42 AM PST · 15540 days ago · 2 km deep · 3 km away
13. 2.76 km W of Cobb, CaliforniaTue, Mar 6, 1:44 PM PST · 15540 days ago · 3 km deep · 4 km away
14. 2.27 km WSW of Cobb, CaliforniaTue, Mar 6, 6:58 PM PST · 15539 days ago · 1 km deep · 3 km away
15. 2.07 km SE of Hopland, CaliforniaWed, Mar 7, 1:08 PM PST · 15539 days ago · 4 km deep · 28 km away
16. 1.88 km SE of Hopland, CaliforniaWed, Mar 7, 1:22 PM PST · 15539 days ago · 4 km deep · 27 km away
17. 2.32 km SSE of Occidental, CaliforniaWed, Mar 7, 3:11 PM PST · 15539 days ago · 47 km deep · 47 km away
18. 1.53 km SSE of Cottonwood, CaliforniaWed, Mar 7, 5:03 PM PST · 15538 days ago · 11 km deep · 74 km away
19. 1.518 km ENE of Potter Valley, CaliforniaThu, Mar 8, 6:16 AM PST · 15538 days ago · 8 km deep · 66 km away
20. 2.115 km ESE of Hidden Valley Lake, CaliforniaThu, Mar 8, 9:23 AM PST · 15538 days ago · 4 km deep · 33 km away
21. 1.66 km W of Cobb, CaliforniaThu, Mar 8, 11:01 AM PST · 15538 days ago · 0 km deep · 4 km away
22. 1.66 km W of Cobb, CaliforniaThu, Mar 8, 11:01 AM PST · 15538 days ago · 0 km deep · 4 km away
23. 2.18 km E of Willits, CaliforniaThu, Mar 8, 8:26 PM PST · 15537 days ago · 7 km deep · 79 km away
24. 1.91 km WNW of Redwood Valley, CaliforniaThu, Mar 8, 11:29 PM PST · 15537 days ago · 5 km deep · 65 km away
25. 1.96 km W of Cobb, CaliforniaFri, Mar 9, 3:10 PM PST · 15537 days ago · 3 km deep · 3 km away
26. 1.73 km ESE of Kenwood, CaliforniaSat, Mar 10, 5:30 AM PST · 15536 days ago · 17 km deep · 50 km away
27. 2.95 km E of Angwin, CaliforniaSat, Mar 10, 1:48 PM PST · 15536 days ago · -1 km deep · 42 km away
28. 1.925 km SE of Covelo, CaliforniaSun, Mar 11, 1:01 AM PST · 15535 days ago · 5 km deep · 94 km away
29. 1.58 km W of Cobb, CaliforniaSun, Mar 11, 9:08 PM PST · 15534 days ago · 0 km deep · 4 km away
30. 1.84 km W of Cobb, CaliforniaMon, Mar 12, 2:50 AM PST · 15534 days ago · 0 km deep · 3 km away
31. 1.67 km W of Cobb, CaliforniaMon, Mar 12, 3:58 AM PST · 15534 days ago · 3 km deep · 4 km away
32. 1.712 km SE of Hidden Valley Lake, CaliforniaMon, Mar 12, 5:00 AM PST · 15534 days ago · 3 km deep · 29 km away
33. 2.24 km NE of Ukiah, CaliforniaMon, Mar 12, 7:25 AM PST · 15534 days ago · 4 km deep · 55 km away
34. 1.73 km W of Redwood Valley, CaliforniaMon, Mar 12, 10:06 AM PST · 15534 days ago · 6 km deep · 66 km away
35. 1.88 km SE of Sea Ranch, CaliforniaMon, Mar 12, 10:49 AM PST · 15534 days ago · 6 km deep · 55 km away
36. 1.57 km W of Cobb, CaliforniaMon, Mar 12, 4:37 PM PST · 15534 days ago · 3 km deep · 3 km away
37. 2.05 km SE of Calpella, CaliforniaTue, Mar 13, 1:06 AM PST · 15533 days ago · 2 km deep · 56 km away
38. 2.024 km SE of Covelo, CaliforniaTue, Mar 13, 1:17 AM PST · 15533 days ago · 4 km deep · 95 km away
39. 2.48 km WNW of Cobb, CATue, Mar 13, 11:00 AM PST · 15533 days ago · 8 km deep · 6 km away
40. 1.94 km WSW of Cobb, CaliforniaWed, Mar 14, 12:25 AM PST · 15532 days ago · 1 km deep · 1 km away
41. 2.16 km WSW of Cobb, CaliforniaWed, Mar 14, 1:20 AM PST · 15532 days ago · 0 km deep · 1 km away
42. 2.58 km WSW of Cobb, CaliforniaWed, Mar 14, 8:53 PM PST · 15531 days ago · 3 km deep · 3 km away
43. 1.67 km WSW of Cobb, CaliforniaWed, Mar 14, 10:15 PM PST · 15531 days ago · 1 km deep · 2 km away
44. 1.76 km W of Cobb, CaliforniaThu, Mar 15, 9:56 AM PST · 15531 days ago · 3 km deep · 3 km away
45. 1.57 km W of Cobb, CaliforniaThu, Mar 15, 12:04 PM PST · 15531 days ago · 3 km deep · 3 km away
46. 1.77 km WSW of Cobb, CaliforniaFri, Mar 16, 2:28 AM PST · 15530 days ago · 3 km deep · 2 km away
47. 1.68 km ESE of Talmage, CaliforniaSat, Mar 17, 4:51 AM PST · 15529 days ago · 8 km deep · 44 km away
48. 1.97 km E of Willits, CaliforniaSat, Mar 17, 11:56 AM PST · 15529 days ago · 8 km deep · 80 km away
49. 1.80 km WNW of Green Valley, CaliforniaSat, Mar 17, 7:08 PM PST · 15528 days ago · 10 km deep · 80 km away
50. 1.76 km W of Cobb, CaliforniaSat, Mar 17, 9:42 PM PST · 15528 days ago · 3 km deep · 3 km away
51. 2.1near the coast of Northern CaliforniaSun, Mar 18, 12:52 AM PST · 15528 days ago · 8 km deep · 88 km away
52. 2.5Northern CaliforniaSun, Mar 18, 3:50 AM PST · 15528 days ago · 1 km deep · 1 km away
53. 1.67 km WSW of Cobb, CaliforniaSun, Mar 18, 9:02 AM PST · 15528 days ago · 1 km deep · 2 km away
54. 1.73 km SW of Rutherford, CaliforniaSun, Mar 18, 11:13 AM PST · 15528 days ago · 6 km deep · 49 km away
55. 1.86 km NW of Hopland, CaliforniaSun, Mar 18, 2:11 PM PST · 15528 days ago · 25 km deep · 41 km away
56. 2.56 km W of Cobb, CaliforniaSun, Mar 18, 2:58 PM PST · 15528 days ago · 1 km deep · 4 km away
57. 1.86 km WSW of Geyserville, CaliforniaMon, Mar 19, 8:17 AM PST · 15527 days ago · 11 km deep · 21 km away
58. 1.54 km WSW of Cobb, CaliforniaMon, Mar 19, 1:25 PM PST · 15527 days ago · 1 km deep · 1 km away
59. 2.47 km WSW of Cobb, CaliforniaTue, Mar 20, 4:23 AM PST · 15526 days ago · 2 km deep · 3 km away
60. 2.411 km E of Cloverdale, CaliforniaTue, Mar 20, 9:59 AM PST · 15526 days ago · 22 km deep · 10 km away

The first 60 of 169.

From the USGS Earthquake Hazards Program and its partner networks, event nc6013. Read Tue, Sep 22, 2026, 12:10 PM UTC.