M2.4 earthquake 8 km W of Cobb, California

Magnitude

2.4 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jan 16, 1988, 11:28 PM PST

UTC

1988-01-17 07:28:56 UTC

Depth

-0.9 km (-0.6 mi), shallow

Epicenter

38.834° N, 122.817° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.25

Depth from

From location

Station coverage gap

102°

Stations used

18

• Cobb, CaliforniaPopulation 1,778. Forecast8 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast21 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast45 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast671 kmNW

After

1. 1.77 km WSW of Cobb, CaliforniaSun, Jan 17, 12:25 AM PST · 14141 days ago · 1 km deep · 4 km away
2. 2.02 km WSW of Geyserville, CaliforniaSun, Jan 17, 2:17 AM PST · 14141 days ago · 11 km deep · 18 km away
3. 1.611 km W of Cobb, CaliforniaSun, Jan 17, 2:19 AM PST · 14141 days ago · 0 km deep · 4 km away
4. 1.98 km WSW of Cobb, CaliforniaMon, Jan 18, 9:32 AM PST · 14139 days ago · 0 km deep · 4 km away
5. 3.05 km WNW of Cobb, CaliforniaMon, Jan 18, 12:51 PM PST · 14139 days ago · -1 km deep · 3 km away
6. 2.85 km W of Cobb, CaliforniaMon, Jan 18, 12:52 PM PST · 14139 days ago · 0 km deep · 3 km away
7. 1.95 km W of Cobb, CaliforniaMon, Jan 18, 12:52 PM PST · 14139 days ago · 1 km deep · 3 km away
8. 3.17 km WSW of Cobb, CaliforniaMon, Jan 18, 3:25 PM PST · 14139 days ago · 1 km deep · 4 km away
9. 3.17 km WSW of Cobb, CaliforniaMon, Jan 18, 3:27 PM PST · 14139 days ago · 2 km deep · 4 km away
10. 1.77 km WSW of Cobb, CaliforniaMon, Jan 18, 3:27 PM PST · 14139 days ago · 1 km deep · 4 km away
11. 1.78 km W of Cobb, CaliforniaMon, Jan 18, 3:43 PM PST · 14139 days ago · 0 km deep · 2 km away
12. 1.78 km SSW of Cobb, CaliforniaMon, Jan 18, 7:14 PM PST · 14139 days ago · 3 km deep · 10 km away
13. 2.8Northern CaliforniaTue, Jan 19, 10:19 AM PST · 14138 days ago · 1 km deep · 6 km away
14. 1.64 km SW of Cobb, CaliforniaTue, Jan 19, 10:20 AM PST · 14138 days ago · 0 km deep · 6 km away
15. 1.96 km W of Cobb, CaliforniaWed, Jan 20, 7:13 AM PST · 14138 days ago · 0 km deep · 2 km away
16. 1.68 km WNW of Cobb, CaliforniaThu, Jan 21, 3:25 PM PST · 14136 days ago · 0 km deep · 3 km away
17. 1.616 km SW of Cloverdale, CaliforniaFri, Jan 22, 12:52 AM PST · 14136 days ago · 9 km deep · 33 km away
18. 2.09 km E of Hidden Valley Lake, CaliforniaFri, Jan 22, 12:49 PM PST · 14135 days ago · 6 km deep · 32 km away
19. 1.811 km WNW of Redwood Valley, CaliforniaSat, Jan 23, 1:12 AM PST · 14135 days ago · 6 km deep · 68 km away
20. 2.6Northern CaliforniaSat, Jan 23, 12:45 PM PST · 14134 days ago · 0 km deep · 7 km away
21. 1.94 km SW of Napa, CaliforniaSat, Jan 23, 1:12 PM PST · 14134 days ago · 4 km deep · 76 km away
22. 2.06 km W of Cobb, CaliforniaSat, Jan 23, 2:08 PM PST · 14134 days ago · 2 km deep · 2 km away
23. 2.56 km W of Cobb, CaliforniaSat, Jan 23, 3:28 PM PST · 14134 days ago · 1 km deep · 2 km away
24. 2.09 km E of Hidden Valley Lake, CaliforniaSat, Jan 23, 8:43 PM PST · 14134 days ago · 7 km deep · 31 km away
25. 1.67 km W of Cobb, CaliforniaSun, Jan 24, 12:08 AM PST · 14134 days ago · -1 km deep · 0 km away
26. 2.16 km WSW of Cobb, CaliforniaSun, Jan 24, 6:56 AM PST · 14134 days ago · 3 km deep · 4 km away
27. 1.69 km E of Hidden Valley Lake, CaliforniaSun, Jan 24, 4:55 PM PST · 14133 days ago · 5 km deep · 32 km away
28. 1.67 km WSW of Cobb, CaliforniaMon, Jan 25, 4:22 PM PST · 14132 days ago · 1 km deep · 3 km away
29. 1.85 km WSW of Cobb, CaliforniaMon, Jan 25, 4:49 PM PST · 14132 days ago · 1 km deep · 4 km away
30. 3.06 km WSW of Cobb, CaliforniaTue, Jan 26, 9:22 AM PST · 14131 days ago · 1 km deep · 4 km away
31. 1.67 km WSW of Cobb, CaliforniaTue, Jan 26, 1:00 PM PST · 14131 days ago · -1 km deep · 4 km away
32. 1.54 km WSW of Cobb, CaliforniaTue, Jan 26, 1:44 PM PST · 14131 days ago · 2 km deep · 5 km away
33. 1.82 km NW of Calpella, CaliforniaTue, Jan 26, 8:18 PM PST · 14131 days ago · 6 km deep · 58 km away
34. 2.14 km WSW of Cobb, CaliforniaWed, Jan 27, 1:38 AM PST · 14131 days ago · 0 km deep · 5 km away
35. 2.07 km W of Cobb, CaliforniaWed, Jan 27, 6:17 AM PST · 14131 days ago · 3 km deep · 2 km away
36. 1.824 km NE of Potter Valley, CaliforniaThu, Jan 28, 9:12 AM PST · 14129 days ago · 9 km deep · 75 km away
37. 1.65 km SSW of Cobb, CaliforniaFri, Jan 29, 12:06 AM PST · 14129 days ago · -1 km deep · 8 km away
38. 1.67 km W of Cobb, CaliforniaFri, Jan 29, 12:40 AM PST · 14129 days ago · 3 km deep · 2 km away
39. 1.812 km E of Angwin, CaliforniaFri, Jan 29, 9:12 PM PST · 14128 days ago · 0 km deep · 52 km away
40. 2.77 km WSW of Cobb, CaliforniaSat, Jan 30, 2:25 PM PST · 14127 days ago · 1 km deep · 4 km away
41. 1.78 km SW of Cobb, CaliforniaSat, Jan 30, 3:03 PM PST · 14127 days ago · -1 km deep · 7 km away
42. 1.96 km W of Cobb, CaliforniaSat, Jan 30, 10:18 PM PST · 14127 days ago · 3 km deep · 2 km away
43. 1.96 km W of Cobb, CaliforniaSat, Jan 30, 10:19 PM PST · 14127 days ago · 1 km deep · 2 km away
44. 1.97 km W of Cobb, CaliforniaSun, Jan 31, 1:23 AM PST · 14127 days ago · 4 km deep · 1 km away
45. 2.48 km W of Cobb, CaliforniaSun, Jan 31, 1:25 AM PST · 14127 days ago · -1 km deep · 1 km away
46. 2.14 km SW of Hopland, CaliforniaMon, Feb 1, 2:18 AM PST · 14126 days ago · 4 km deep · 32 km away
47. 1.512 km SSW of Kelseyville, CaliforniaMon, Feb 1, 6:00 PM PST · 14125 days ago · 4 km deep · 9 km away
48. 1.94 km W of Cobb, CaliforniaTue, Feb 2, 12:54 AM PST · 14125 days ago · 1 km deep · 4 km away
49. 1.74 km WSW of Cobb, CaliforniaTue, Feb 2, 1:08 AM PST · 14125 days ago · 1 km deep · 4 km away
50. 1.95 km SSE of Calpella, CaliforniaWed, Feb 3, 5:11 AM PST · 14124 days ago · 1 km deep · 50 km away
51. 1.67 km WSW of Cobb, CaliforniaWed, Feb 3, 8:20 AM PST · 14124 days ago · 0 km deep · 4 km away
52. 1.78 km W of Cobb, CaliforniaWed, Feb 3, 10:11 AM PST · 14123 days ago · 0 km deep · 2 km away
53. 2.010 km ESE of Hopland, CaliforniaWed, Feb 3, 3:25 PM PST · 14123 days ago · 5 km deep · 20 km away
54. 2.17 km W of Cobb, CaliforniaThu, Feb 4, 10:20 AM PST · 14122 days ago · -1 km deep · 1 km away
55. 1.56 km ENE of Boonville, CaliforniaThu, Feb 4, 8:08 PM PST · 14122 days ago · 0 km deep · 46 km away
56. 2.16 km W of Cobb, CaliforniaThu, Feb 4, 9:53 PM PST · 14122 days ago · 3 km deep · 2 km away
57. 1.78 km W of Cobb, CaliforniaFri, Feb 5, 2:52 AM PST · 14122 days ago · 0 km deep · 1 km away
58. 1.77 km ENE of Geyserville, CaliforniaSat, Feb 6, 12:24 AM PST · 14121 days ago · 5 km deep · 12 km away
59. 1.66 km W of Cobb, CaliforniaSat, Feb 6, 3:19 AM PST · 14121 days ago · 2 km deep · 2 km away
60. 2.66 km W of Cobb, CaliforniaSat, Feb 6, 3:52 AM PST · 14121 days ago · 3 km deep · 2 km away

The first 60 of 168.

Before

1. 2.34 km NNW of Redwood Valley, CaliforniaSat, Jan 16, 2:14 AM PST · 14142 days ago · 9 km deep · 63 km away
2. 1.712 km NW of Guinda, CaliforniaFri, Jan 15, 10:54 PM PST · 14142 days ago · 9 km deep · 46 km away
3. 1.68 km W of Cobb, CaliforniaFri, Jan 15, 4:26 AM PST · 14143 days ago · 1 km deep · 0 km away
4. 1.87 km W of Cobb, CaliforniaFri, Jan 15, 4:18 AM PST · 14143 days ago · 1 km deep · 0 km away
5. 1.55 km W of Cobb, CaliforniaFri, Jan 15, 1:50 AM PST · 14143 days ago · 1 km deep · 3 km away
6. 1.75 km W of Cobb, CaliforniaFri, Jan 15, 1:50 AM PST · 14143 days ago · 1 km deep · 2 km away
7. 2.65 km WNW of Cobb, CaliforniaFri, Jan 15, 1:02 AM PST · 14143 days ago · 2 km deep · 3 km away
8. 2.014 km WSW of Geyserville, CaliforniaFri, Jan 15, 12:59 AM PST · 14143 days ago · 4 km deep · 28 km away
9. 1.84 km WSW of Cobb, CaliforniaThu, Jan 14, 6:58 PM PST · 14143 days ago · 1 km deep · 5 km away
10. 1.56 km WSW of Cobb, CaliforniaThu, Jan 14, 6:51 PM PST · 14143 days ago · 3 km deep · 3 km away
11. 2.28 km W of Cobb, CaliforniaThu, Jan 14, 10:52 AM PST · 14143 days ago · 1 km deep · 0 km away
12. 1.78 km WSW of Cobb, CaliforniaThu, Jan 14, 1:58 AM PST · 14144 days ago · 3 km deep · 4 km away
13. 1.65 km SSW of Cobb, CaliforniaWed, Jan 13, 5:08 PM PST · 14144 days ago · -1 km deep · 8 km away
14. 1.65 km WNW of Cobb, CaliforniaTue, Jan 12, 8:09 PM PST · 14145 days ago · 2 km deep · 3 km away
15. 1.78 km W of Cobb, CaliforniaTue, Jan 12, 2:13 PM PST · 14145 days ago · 1 km deep · 2 km away
16. 1.77 km WSW of Cobb, CaliforniaTue, Jan 12, 9:38 AM PST · 14145 days ago · 1 km deep · 4 km away
17. 1.616 km ENE of Angwin, CATue, Jan 12, 7:45 AM PST · 14146 days ago · 8 km deep · 53 km away
18. 1.86 km WNW of Cobb, CaliforniaTue, Jan 12, 5:22 AM PST · 14146 days ago · 0 km deep · 2 km away
19. 2.16 km SSW of Cobb, CaliforniaMon, Jan 11, 9:01 AM PST · 14146 days ago · -1 km deep · 9 km away
20. 1.86 km WSW of Cobb, CaliforniaMon, Jan 11, 5:38 AM PST · 14147 days ago · -1 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc111122. Read Mon, Oct 5, 2026, 4:27 AM UTC.