M1.6 earthquake 12 km W of Cobb, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Feb 7, 1990, 5:26 AM PST

UTC

1990-02-07 13:26:07 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

38.839° N, 122.871° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

56°

Stations used

15

• Cobb, CaliforniaPopulation 1,778. Forecast13 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast25 kmWSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast46 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast674 kmNW

After

1. 1.713 km W of Cobb, CaliforniaWed, Feb 7, 5:29 AM PST · 13389 days ago · 0 km deep · 0 km away
2. 2.36 km W of Cobb, CaliforniaWed, Feb 7, 5:59 AM PST · 13389 days ago · 4 km deep · 7 km away
3. 1.64 km W of Cobb, CaliforniaWed, Feb 7, 12:56 PM PST · 13388 days ago · 2 km deep · 9 km away
4. 1.67 km W of Cobb, CaliforniaThu, Feb 8, 12:17 AM PST · 13388 days ago · 1 km deep · 5 km away
5. 1.86 km W of Cobb, CaliforniaThu, Feb 8, 10:45 AM PST · 13388 days ago · 0 km deep · 7 km away
6. 1.612 km ENE of Cloverdale, CaliforniaThu, Feb 8, 3:35 PM PST · 13387 days ago · 1 km deep · 1 km away
7. 2.56 km W of Cobb, CaliforniaFri, Feb 9, 3:35 AM PST · 13387 days ago · 1 km deep · 6 km away
8. 1.66 km W of Cobb, CaliforniaFri, Feb 9, 3:36 AM PST · 13387 days ago · 0 km deep · 6 km away
9. 1.86 km W of Cobb, CaliforniaFri, Feb 9, 4:20 PM PST · 13386 days ago · 1 km deep · 7 km away
10. 1.76 km S of Cobb, CaliforniaFri, Feb 9, 5:23 PM PST · 13386 days ago · 2 km deep · 16 km away
11. 1.74 km W of Cobb, CaliforniaSat, Feb 10, 7:43 AM PST · 13386 days ago · 1 km deep · 8 km away
12. 1.513 km N of Brooktrails, CaliforniaSun, Feb 11, 4:32 AM PST · 13385 days ago · 5 km deep · 93 km away
13. 1.512 km ESE of Hidden Valley Lake, CaliforniaSun, Feb 11, 6:35 AM PST · 13385 days ago · 4 km deep · 39 km away
14. 2.17 km WSW of Cobb, CaliforniaSun, Feb 11, 5:33 PM PST · 13384 days ago · 2 km deep · 7 km away
15. 1.95 km SW of Cobb, CaliforniaSun, Feb 11, 8:43 PM PST · 13384 days ago · 2 km deep · 10 km away
16. 2.112 km WSW of Hopland, CaliforniaSun, Feb 11, 9:24 PM PST · 13384 days ago · -1 km deep · 35 km away
17. 2.35 km WSW of Cobb, CaliforniaMon, Feb 12, 10:28 AM PST · 13384 days ago · 0 km deep · 9 km away
18. 1.86 km W of Cobb, CaliforniaMon, Feb 12, 11:11 AM PST · 13384 days ago · 3 km deep · 7 km away
19. 1.73 km NE of Hopland, CaliforniaMon, Feb 12, 11:24 AM PST · 13384 days ago · 3 km deep · 26 km away
20. 1.87 km W of Cobb, CaliforniaMon, Feb 12, 10:29 PM PST · 13383 days ago · 3 km deep · 6 km away
21. 1.96 km WSW of Cobb, CaliforniaTue, Feb 13, 3:13 AM PST · 13383 days ago · 1 km deep · 7 km away
22. 1.86 km W of Cobb, CaliforniaTue, Feb 13, 9:43 AM PST · 13383 days ago · 3 km deep · 6 km away
23. 1.71 km ESE of Larkfield-Wikiup, CaliforniaTue, Feb 13, 10:48 AM PST · 13383 days ago · 4 km deep · 38 km away
24. 3.14 km W of Cobb, CaliforniaTue, Feb 13, 2:19 PM PST · 13382 days ago · -1 km deep · 9 km away
25. 1.57 km NE of Rohnert Park, CaliforniaTue, Feb 13, 11:11 PM PST · 13382 days ago · 6 km deep · 55 km away
26. 1.56 km W of Cobb, CaliforniaWed, Feb 14, 11:18 PM PST · 13381 days ago · -1 km deep · 7 km away
27. 1.57 km N of Geyserville, CaliforniaThu, Feb 15, 3:53 AM PST · 13381 days ago · 4 km deep · 8 km away
28. 2.17 km N of Geyserville, CaliforniaThu, Feb 15, 5:02 AM PST · 13381 days ago · 4 km deep · 7 km away
29. 1.51 km W of Forestville, CaliforniaThu, Feb 15, 10:58 AM PST · 13381 days ago · 5 km deep · 41 km away
30. 2.321 km NE of Potter Valley, CaliforniaFri, Feb 16, 2:17 AM PST · 13380 days ago · 7 km deep · 69 km away
31. 1.76 km SW of Cobb, CaliforniaFri, Feb 16, 2:40 PM PST · 13379 days ago · 3 km deep · 10 km away
32. 2.69 km ENE of Hidden Valley Lake, CaliforniaFri, Feb 16, 3:03 PM PST · 13379 days ago · 9 km deep · 36 km away
33. 1.75 km W of Cobb, CaliforniaFri, Feb 16, 7:55 PM PST · 13379 days ago · 1 km deep · 8 km away
34. 1.53 km SW of Cobb, CaliforniaSat, Feb 17, 6:41 AM PST · 13379 days ago · 1 km deep · 12 km away
35. 1.77 km SW of Kenwood, CaliforniaSat, Feb 17, 9:33 AM PST · 13379 days ago · 4 km deep · 57 km away
36. 1.79 km W of Cobb, CaliforniaSat, Feb 17, 5:46 PM PST · 13378 days ago · 0 km deep · 4 km away
37. 1.79 km W of Cobb, CaliforniaSat, Feb 17, 5:47 PM PST · 13378 days ago · 1 km deep · 4 km away
38. 2.63 km SSW of Cobb, CaliforniaSat, Feb 17, 9:50 PM PST · 13378 days ago · 1 km deep · 12 km away
39. 1.83 km SSW of Cobb, CaliforniaSat, Feb 17, 9:52 PM PST · 13378 days ago · 2 km deep · 12 km away
40. 1.51 km ESE of Larkfield-Wikiup, CaliforniaSat, Feb 17, 10:14 PM PST · 13378 days ago · 4 km deep · 39 km away
41. 1.99 km NNE of Hopland, CaliforniaSun, Feb 18, 1:08 PM PST · 13377 days ago · 5 km deep · 28 km away
42. 1.68 km W of Cobb, CaliforniaSun, Feb 18, 5:51 PM PST · 13377 days ago · 0 km deep · 4 km away
43. 3.2near the coast of Northern CaliforniaMon, Feb 19, 3:28 AM PST · 13377 days ago · 1 km deep · 30 km away
44. 1.87 km ENE of Brooktrails, CaliforniaMon, Feb 19, 4:15 AM PST · 13377 days ago · 6 km deep · 81 km away
45. 1.65 km SSW of Cobb, CaliforniaMon, Feb 19, 8:26 AM PST · 13377 days ago · 0 km deep · 12 km away
46. 2.05 km W of Cobb, CaliforniaMon, Feb 19, 3:26 PM PST · 13376 days ago · 0 km deep · 7 km away
47. 1.513 km ENE of Healdsburg, CaliforniaTue, Feb 20, 11:45 PM PST · 13375 days ago · 6 km deep · 22 km away
48. 1.96 km SW of Cobb, CaliforniaWed, Feb 21, 9:59 AM PST · 13375 days ago · 2 km deep · 10 km away
49. 1.98 km W of Cobb, CaliforniaWed, Feb 21, 5:23 PM PST · 13374 days ago · 1 km deep · 4 km away
50. 2.65 km WSW of Cobb, CaliforniaWed, Feb 21, 6:01 PM PST · 13374 days ago · 2 km deep · 8 km away
51. 1.85 km WSW of Cobb, CaliforniaWed, Feb 21, 6:04 PM PST · 13374 days ago · 2 km deep · 8 km away
52. 1.56 km SW of Cobb, CaliforniaWed, Feb 21, 9:40 PM PST · 13374 days ago · -1 km deep · 10 km away
53. 1.66 km SW of Cobb, CaliforniaWed, Feb 21, 9:41 PM PST · 13374 days ago · -1 km deep · 10 km away
54. 1.66 km WSW of Cobb, CaliforniaThu, Feb 22, 1:22 AM PST · 13374 days ago · 0 km deep · 8 km away
55. 1.67 km WSW of Cobb, CaliforniaThu, Feb 22, 5:13 AM PST · 13374 days ago · 1 km deep · 7 km away
56. 1.86 km SW of Cobb, CaliforniaThu, Feb 22, 10:57 AM PST · 13374 days ago · 0 km deep · 10 km away
57. 1.77 km ESE of Geyserville, CaliforniaThu, Feb 22, 9:13 PM PST · 13373 days ago · 6 km deep · 18 km away
58. 1.66 km SW of Cobb, CaliforniaFri, Feb 23, 4:14 PM PST · 13372 days ago · 1 km deep · 10 km away
59. 2.2Northern CaliforniaSat, Feb 24, 5:15 AM PST · 13372 days ago · -1 km deep · 7 km away
60. 1.86 km W of Cobb, CaliforniaSat, Feb 24, 5:15 AM PST · 13372 days ago · 1 km deep · 6 km away

The first 60 of 180.

Before

1. 2.36 km NNW of The Geysers, CAWed, Feb 7, 12:02 AM PST · 13389 days ago · 1 km deep · 7 km away
2. 2.27 km WSW of Cobb, CaliforniaTue, Feb 6, 11:39 PM PST · 13389 days ago · 1 km deep · 7 km away
3. 1.98 km N of Hopland, CaliforniaTue, Feb 6, 5:43 PM PST · 13389 days ago · -1 km deep · 31 km away
4. 3.17 km WSW of Cobb, CaliforniaMon, Feb 5, 2:26 AM PST · 13391 days ago · 3 km deep · 7 km away
5. 1.85 km WSW of Cobb, CaliforniaSun, Feb 4, 6:05 PM PST · 13391 days ago · 0 km deep · 9 km away
6. 1.85 km W of Cobb, CaliforniaSun, Feb 4, 3:09 AM PST · 13392 days ago · 2 km deep · 8 km away
7. 1.85 km W of Cobb, CaliforniaSat, Feb 3, 1:26 AM PST · 13393 days ago · 1 km deep · 8 km away
8. 2.57 km E of Willits, CaliforniaFri, Feb 2, 9:27 PM PST · 13393 days ago · 6 km deep · 71 km away
9. 1.69 km W of Cobb, CaliforniaFri, Feb 2, 5:30 PM PST · 13393 days ago · 1 km deep · 4 km away
10. 1.66 km W of Cobb, CaliforniaFri, Feb 2, 1:51 PM PST · 13393 days ago · 3 km deep · 7 km away
11. 2.35 km NE of Ukiah, CaliforniaThu, Feb 1, 2:56 PM PST · 13394 days ago · 1 km deep · 47 km away
12. 1.69 km W of Cobb, CaliforniaThu, Feb 1, 2:04 PM PST · 13394 days ago · 0 km deep · 4 km away
13. 1.74 km W of Cobb, CaliforniaWed, Jan 31, 11:49 PM PST · 13395 days ago · 1 km deep · 8 km away
14. 1.624 km NE of Potter Valley, CaliforniaWed, Jan 31, 12:04 PM PST · 13396 days ago · 10 km deep · 74 km away
15. 1.8near the coast of Northern CaliforniaTue, Jan 30, 8:23 AM PST · 13397 days ago · 4 km deep · 29 km away
16. 2.19 km W of Cobb, CaliforniaTue, Jan 30, 8:01 AM PST · 13397 days ago · 0 km deep · 4 km away
17. 1.55 km WSW of Cobb, CaliforniaTue, Jan 30, 4:40 AM PST · 13397 days ago · 0 km deep · 9 km away
18. 1.912 km ENE of Cloverdale, CaliforniaMon, Jan 29, 9:53 PM PST · 13397 days ago · 0 km deep · 0 km away
19. 1.77 km S of Cobb, CaliforniaMon, Jan 29, 7:32 AM PST · 13398 days ago · 2 km deep · 17 km away
20. 2.021 km NE of Potter Valley, CaliforniaMon, Jan 29, 5:17 AM PST · 13398 days ago · 6 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc152132. Read Mon, Oct 5, 2026, 7:40 AM UTC.