M2.6 earthquake 16 km N of Ruth, California

Magnitude

2.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Oct 9, 1990, 3:37 AM PDT

UTC

1990-10-09 10:37:21 UTC

Depth

28.7 km (17.8 mi), shallow

Epicenter

40.421° N, 123.303° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

64°

Stations used

15

• Hayfork, CaliforniaPopulation 2,368. Forecast18 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast75 kmESE
• Chico, CaliforniaPopulation 121,345. Forecast147 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast838 kmNNW

After

1. 1.512 km N of Brooktrails, CaliforniaTue, Oct 9, 3:28 PM PDT · 13144 days ago · 8 km deep · 96 km away
2. 2.75 km SE of Red Bluff, CaliforniaThu, Oct 11, 12:36 AM PDT · 13142 days ago · 25 km deep · 98 km away
3. 1.96 km ENE of Redding, CaliforniaMon, Oct 15, 5:40 PM PDT · 13138 days ago · 17 km deep · 85 km away
4. 1.66 km NE of Redding, CaliforniaWed, Oct 17, 11:36 PM PDT · 13135 days ago · 4 km deep · 84 km away
5. 2.42 km NNW of Redding, CaliforniaThu, Oct 18, 12:36 AM PDT · 13135 days ago · 17 km deep · 79 km away
6. 1.9near the coast of Northern CaliforniaThu, Oct 18, 4:54 PM PDT · 13135 days ago · 10 km deep · 98 km away
7. 2.515 km SW of Scotia, CaliforniaFri, Oct 19, 12:30 PM PDT · 13134 days ago · 30 km deep · 76 km away
8. 2.018 km WNW of Rancho Tehama Reserve, CaliforniaSat, Oct 20, 12:09 PM PDT · 13133 days ago · 17 km deep · 70 km away
9. 1.510 km NNW of Rancho Tehama Reserve, CaliforniaSun, Oct 21, 3:31 AM PDT · 13132 days ago · 21 km deep · 79 km away
10. 1.99 km SSW of Junction City, CaliforniaMon, Oct 22, 3:17 AM PDT · 13131 days ago · 13 km deep · 31 km away
11. 2.810 km SSW of Ferndale, CaliforniaMon, Oct 22, 8:34 AM PDT · 13131 days ago · 22 km deep · 84 km away
12. 2.119 km NW of Shelter Cove, CaliforniaThu, Oct 25, 4:59 AM PDT · 13128 days ago · 8 km deep · 81 km away
13. 3.528 km SSW of Ferndale, CaliforniaTue, Oct 30, 6:42 PM PST · 13123 days ago · 18 km deep · 95 km away
14. 1.632 km SSW of Ferndale, CaliforniaThu, Nov 1, 8:14 AM PST · 13121 days ago · 5 km deep · 96 km away
15. 1.95 km W of Laytonville, CaliforniaThu, Nov 1, 11:01 AM PST · 13121 days ago · 2 km deep · 84 km away
16. 1.624 km SSW of Scotia, CaliforniaThu, Nov 1, 9:42 PM PST · 13120 days ago · 18 km deep · 82 km away
17. 2.424 km SSW of Ferndale, CaliforniaFri, Nov 2, 3:03 PM PST · 13120 days ago · 16 km deep · 90 km away
18. 2.05 km SE of Benbow, CaliforniaMon, Nov 5, 7:49 PM PST · 13116 days ago · 17 km deep · 56 km away
19. 1.718 km WSW of Mad River, CaliforniaMon, Nov 5, 11:37 PM PST · 13116 days ago · -1 km deep · 35 km away
20. 1.73 km SE of Lakehead, CaliforniaTue, Nov 6, 12:11 AM PST · 13116 days ago · 4 km deep · 95 km away
21. 1.817 km NE of Myers Flat, CaliforniaWed, Nov 7, 7:10 AM PST · 13115 days ago · -1 km deep · 36 km away
22. 2.411 km SSE of Millville, CaliforniaSat, Nov 10, 6:17 PM PST · 13112 days ago · 25 km deep · 100 km away
23. 2.45 km SSW of Central Valley (historical), CaliforniaFri, Nov 16, 11:41 PM PST · 13105 days ago · 22 km deep · 80 km away
24. 2.521 km NNE of Redcrest, CaliforniaSun, Nov 18, 12:26 AM PST · 13104 days ago · 23 km deep · 47 km away
25. 1.831 km SW of Scotia, CaliforniaSun, Nov 18, 6:57 AM PST · 13104 days ago · 20 km deep · 92 km away
26. 1.910 km WSW of Scotia, CaliforniaMon, Nov 19, 12:24 AM PST · 13103 days ago · 25 km deep · 77 km away
27. 1.612 km SSW of Scotia, CaliforniaMon, Nov 19, 2:26 PM PST · 13103 days ago · 29 km deep · 73 km away
28. 1.932 km SSW of Ferndale, CaliforniaTue, Nov 20, 9:27 PM PST · 13101 days ago · 8 km deep · 97 km away
29. 1.7near the coast of Northern CaliforniaWed, Nov 21, 4:22 PM PST · 13101 days ago · 0 km deep · 88 km away
30. 2.13 km SE of Benbow, CaliforniaThu, Nov 22, 2:17 AM PST · 13100 days ago · 18 km deep · 56 km away
31. 1.6Northern CaliforniaThu, Nov 22, 2:28 AM PST · 13100 days ago · 18 km deep · 57 km away
32. 2.04 km SE of Benbow, CaliforniaThu, Nov 22, 2:42 AM PST · 13100 days ago · 17 km deep · 56 km away
33. 3.14 km SSE of Benbow, CaliforniaThu, Nov 22, 7:09 AM PST · 13100 days ago · 15 km deep · 58 km away
34. 1.68 km ESE of Benbow, CaliforniaThu, Nov 22, 7:33 AM PST · 13100 days ago · 5 km deep · 53 km away
35. 2.84 km SSE of Benbow, CaliforniaThu, Nov 22, 7:37 AM PST · 13100 days ago · 15 km deep · 58 km away
36. 2.23 km SE of Benbow, CaliforniaThu, Nov 22, 7:58 AM PST · 13100 days ago · 17 km deep · 57 km away
37. 3.130 km SW of Scotia, CaliforniaThu, Nov 22, 5:07 PM PST · 13100 days ago · 4 km deep · 90 km away
38. 2.033 km SSW of Ferndale, CaliforniaFri, Nov 23, 12:15 PM PST · 13099 days ago · 11 km deep · 96 km away
39. 1.712 km SE of Leggett, CaliforniaSat, Nov 24, 3:06 AM PST · 13098 days ago · 6 km deep · 75 km away
40. 1.63 km NNE of Redding, CaliforniaSat, Nov 24, 8:29 AM PST · 13098 days ago · 19 km deep · 81 km away
41. 4.134 km SW of Scotia, CaliforniaSat, Nov 24, 11:44 PM PST · 13097 days ago · 24 km deep · 94 km away
42. 1.83 km SE of Benbow, CaliforniaSun, Nov 25, 12:05 AM PST · 13097 days ago · 18 km deep · 56 km away
43. 3.04 km SSE of Benbow, CaliforniaSun, Nov 25, 12:27 AM PST · 13097 days ago · 15 km deep · 59 km away
44. 1.82 km E of Benbow, CaliforniaSun, Nov 25, 7:36 AM PST · 13097 days ago · 19 km deep · 55 km away
45. 1.74 km SSW of Benbow, CaliforniaSun, Nov 25, 7:37 AM PST · 13097 days ago · 19 km deep · 61 km away
46. 2.132 km SW of Scotia, CaliforniaSun, Nov 25, 7:59 AM PST · 13097 days ago · 23 km deep · 93 km away
47. 1.834 km SSW of Ferndale, CaliforniaSun, Nov 25, 6:35 PM PST · 13097 days ago · 12 km deep · 99 km away
48. 1.612 km SSE of Laytonville, CaliforniaTue, Nov 27, 4:46 AM PST · 13095 days ago · 4 km deep · 94 km away
49. 1.818 km WSW of Ferndale, CaliforniaTue, Nov 27, 10:59 AM PST · 13095 days ago · 18 km deep · 97 km away
50. 2.522 km NW of Junction City, CaliforniaWed, Nov 28, 6:15 AM PST · 13094 days ago · 32 km deep · 53 km away
51. 1.731 km SW of Scotia, CaliforniaWed, Nov 28, 7:55 PM PST · 13093 days ago · 20 km deep · 92 km away
52. 2.418 km SSW of Ferndale, CaliforniaThu, Nov 29, 3:39 PM PST · 13093 days ago · 16 km deep · 88 km away
53. 1.519 km SSW of Ferndale, CaliforniaThu, Nov 29, 4:03 PM PST · 13093 days ago · 15 km deep · 87 km away
54. 1.721 km SSW of Ferndale, CaliforniaThu, Nov 29, 4:27 PM PST · 13093 days ago · 17 km deep · 87 km away
55. 1.625 km SSW of Scotia, CaliforniaSat, Dec 1, 2:51 PM PST · 13091 days ago · 9 km deep · 81 km away
56. 1.74 km SE of Benbow, CaliforniaSun, Dec 2, 5:42 PM PST · 13090 days ago · 11 km deep · 57 km away
57. 2.64 km NNW of Fieldbrook, CaliforniaMon, Dec 3, 4:06 PM PST · 13089 days ago · 18 km deep · 91 km away
58. 3.922 km WSW of Weott, CaliforniaMon, Dec 3, 8:27 PM PST · 13088 days ago · 3 km deep · 76 km away
59. 1.919 km SSW of Ferndale, CaliforniaTue, Dec 4, 5:26 PM PST · 13088 days ago · 15 km deep · 87 km away
60. 2.119 km E of Hydesville, CaliforniaWed, Dec 5, 2:05 PM PST · 13087 days ago · 23 km deep · 51 km away

The first 60 of 63.

Before

1. 2.312 km N of Brooktrails, CaliforniaMon, Oct 8, 2:38 PM PDT · 13145 days ago · 9 km deep · 97 km away
2. 1.812 km N of Brooktrails, CaliforniaSun, Oct 7, 12:20 PM PDT · 13146 days ago · 10 km deep · 96 km away
3. 2.17 km SSE of Redding, CaliforniaSat, Oct 6, 12:10 PM PDT · 13147 days ago · 33 km deep · 81 km away
4. 1.55 km W of Covelo, CaliforniaFri, Oct 5, 1:46 PM PDT · 13148 days ago · 4 km deep · 69 km away
5. 2.132 km NW of Rancho Tehama Reserve, CaliforniaThu, Oct 4, 8:49 PM PDT · 13148 days ago · 15 km deep · 58 km away
6. 1.5Northern CaliforniaTue, Oct 2, 11:06 PM PDT · 13150 days ago · 20 km deep · 89 km away
7. 2.03 km ESE of Benbow, CaliforniaTue, Oct 2, 5:54 PM PDT · 13151 days ago · 16 km deep · 55 km away
8. 2.16 km W of Laytonville, CaliforniaTue, Oct 2, 1:33 PM PDT · 13151 days ago · 3 km deep · 84 km away
9. 3.516 km WNW of Ferndale, CaliforniaMon, Oct 1, 5:36 AM PDT · 13152 days ago · 20 km deep · 100 km away
10. 1.81 km SW of Ferndale, CaliforniaSat, Sep 29, 4:19 AM PDT · 13154 days ago · 4 km deep · 84 km away
11. 1.832 km WSW of Cottonwood, CaliforniaFri, Sep 28, 11:06 PM PDT · 13154 days ago · 8 km deep · 60 km away
12. 1.913 km SE of Covelo, CaliforniaThu, Sep 27, 4:26 AM PDT · 13156 days ago · 0 km deep · 79 km away
13. 2.53 km NE of Myers Flat, CaliforniaWed, Sep 26, 4:59 PM PDT · 13157 days ago · 28 km deep · 48 km away
14. 1.64 km N of Millville, CaliforniaTue, Sep 25, 12:19 AM PDT · 13158 days ago · 16 km deep · 97 km away
15. 4.11 km ENE of Humboldt Hill, CaliforniaMon, Sep 24, 2:47 AM PDT · 13159 days ago · 15 km deep · 81 km away
16. 2.96 km ESE of Hyampom, CaliforniaSun, Sep 23, 4:32 PM PDT · 13160 days ago · 21 km deep · 21 km away
17. 1.64 km NNW of Laytonville, CaliforniaSun, Sep 23, 12:26 PM PDT · 13160 days ago · 9 km deep · 79 km away
18. 1.66 km W of Covelo, CaliforniaSun, Sep 23, 10:30 AM PDT · 13160 days ago · 1 km deep · 69 km away
19. 1.55 km W of Covelo, CaliforniaSun, Sep 23, 10:19 AM PDT · 13160 days ago · 1 km deep · 69 km away
20. 2.06 km W of Covelo, CaliforniaSun, Sep 23, 8:37 AM PDT · 13160 days ago · 2 km deep · 69 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc165034. Read Sun, Oct 4, 2026, 2:38 PM UTC.