M1.7 earthquake 7 km ESE of Redcrest, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Sep 8, 1977, 7:01 AM PDT

UTC

1977-09-08 14:01:07 UTC

Depth

24.9 km (15.5 mi), shallow

Epicenter

40.381° N, 123.864° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 1.9 km in depth

Depth from

From location

Station coverage gap

205°, poorly surrounded by stations

Stations used

9

• Miranda, CaliforniaPopulation 520. Forecast17 kmNNW
• Fortuna, CaliforniaPopulation 12,000. Forecast35 kmSE
• Chico, CaliforniaPopulation 121,345. Forecast187 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast862 kmNNW

After

1. 1.644 km SW of Ferndale, CaliforniaThu, Sep 8, 9:21 AM PDT · 17923 days ago · 12 km deep · 66 km away
2. 1.91 km WNW of Redway, CaliforniaThu, Sep 8, 12:19 PM PDT · 17923 days ago · 18 km deep · 28 km away
3. 2.629 km SW of Ferndale, CaliforniaThu, Sep 8, 5:47 PM PDT · 17923 days ago · 24 km deep · 56 km away
4. 1.53 km SSE of Mad River, CaliforniaTue, Sep 13, 10:10 PM PDT · 17918 days ago · 0 km deep · 32 km away
5. 1.630 km WSW of Ferndale, CaliforniaThu, Sep 15, 9:25 PM PDT · 17916 days ago · 26 km deep · 64 km away
6. 2.825 km SSW of Ferndale, CaliforniaMon, Sep 19, 12:20 AM PDT · 17913 days ago · 19 km deep · 43 km away
7. 1.812 km NE of Hydesville, CaliforniaMon, Sep 19, 5:33 PM PDT · 17912 days ago · 19 km deep · 31 km away
8. 2.544 km WNW of Ferndale, CaliforniaMon, Sep 19, 9:39 PM PDT · 17912 days ago · 19 km deep · 84 km away
9. 2.155 km W of Ferndale, CaliforniaTue, Sep 20, 5:01 AM PDT · 17912 days ago · 20 km deep · 92 km away
10. 1.815 km SW of Willow Creek, CaliforniaTue, Sep 20, 2:26 PM PDT · 17911 days ago · 30 km deep · 51 km away
11. 1.749 km W of Ferndale, CaliforniaWed, Sep 21, 2:59 PM PDT · 17910 days ago · 4 km deep · 88 km away
12. 1.614 km WNW of Fields Landing, CaliforniaWed, Sep 21, 5:20 PM PDT · 17910 days ago · 21 km deep · 61 km away
13. 1.99 km WSW of Mad River, CaliforniaThu, Sep 22, 2:46 AM PDT · 17910 days ago · 27 km deep · 21 km away
14. 1.613 km NW of Mad River, CaliforniaFri, Sep 23, 7:59 PM PDT · 17908 days ago · 24 km deep · 25 km away
15. 1.510 km ESE of Pine Hills, CaliforniaMon, Sep 26, 7:14 AM PDT · 17906 days ago · 22 km deep · 37 km away
16. 1.816 km NE of Miranda, CaliforniaThu, Sep 29, 8:20 PM PDT · 17902 days ago · 19 km deep · 14 km away
17. 1.816 km S of Ferndale, CaliforniaFri, Sep 30, 3:04 PM PDT · 17901 days ago · 17 km deep · 36 km away
18. 1.712 km ENE of Blue Lake, CaliforniaSat, Oct 1, 12:01 AM PDT · 17901 days ago · -1 km deep · 61 km away
19. 1.714 km WNW of Fields Landing, CaliforniaSat, Oct 1, 9:09 AM PDT · 17900 days ago · 24 km deep · 60 km away
20. 1.98 km NNW of Willow Creek, CaliforniaSat, Oct 1, 9:37 PM PDT · 17900 days ago · 18 km deep · 72 km away
21. 1.822 km SSW of Ferndale, CaliforniaSat, Oct 1, 9:47 PM PDT · 17900 days ago · 27 km deep · 45 km away
22. 1.745 km W of Ferndale, CaliforniaSat, Oct 1, 10:52 PM PDT · 17900 days ago · 21 km deep · 82 km away
23. 2.145 km SW of Ferndale, CaliforniaSun, Oct 2, 7:24 AM PDT · 17900 days ago · 10 km deep · 67 km away
24. 1.522 km WSW of Weott, CaliforniaSun, Oct 2, 9:43 AM PDT · 17899 days ago · 6 km deep · 30 km away
25. 1.527 km SW of Scotia, CaliforniaSun, Oct 2, 6:08 PM PDT · 17899 days ago · 3 km deep · 37 km away
26. 1.912 km WNW of Fields Landing, CaliforniaSun, Oct 2, 10:47 PM PDT · 17899 days ago · 25 km deep · 59 km away
27. 1.812 km WNW of Fields Landing, CaliforniaSun, Oct 2, 11:34 PM PDT · 17899 days ago · 24 km deep · 59 km away
28. 1.99 km NW of Fields Landing, CaliforniaTue, Oct 4, 12:08 AM PDT · 17898 days ago · 23 km deep · 58 km away
29. 1.616 km WSW of Ferndale, CaliforniaThu, Oct 6, 5:47 AM PDT · 17896 days ago · 22 km deep · 51 km away
30. 2.316 km S of Ferndale, CaliforniaFri, Oct 7, 6:49 AM PDT · 17895 days ago · 19 km deep · 37 km away
31. 3.637 km NW of Paskenta, CaliforniaFri, Oct 7, 5:33 PM PDT · 17894 days ago · 12 km deep · 89 km away
32. 1.517 km WSW of Scotia, CaliforniaSat, Oct 8, 10:25 AM PDT · 17893 days ago · 20 km deep · 35 km away
33. 2.028 km W of Ferndale, CaliforniaSat, Oct 8, 12:20 PM PDT · 17893 days ago · 18 km deep · 66 km away
34. 2.142 km W of Ferndale, CaliforniaSun, Oct 9, 3:35 AM PDT · 17893 days ago · 25 km deep · 80 km away
35. 1.527 km SW of Ferndale, CaliforniaSun, Oct 9, 8:48 PM PDT · 17892 days ago · 23 km deep · 51 km away
36. 2.48 km E of Benbow, CaliforniaMon, Oct 10, 6:26 PM PDT · 17891 days ago · 16 km deep · 39 km away
37. 2.3near the coast of Northern CaliforniaThu, Oct 13, 9:27 AM PDT · 17888 days ago · 21 km deep · 72 km away
38. 1.930 km W of Indianola, CaliforniaFri, Oct 14, 2:28 AM PDT · 17888 days ago · 23 km deep · 71 km away
39. 2.42 km WSW of Loleta, CaliforniaFri, Oct 14, 6:22 AM PDT · 17888 days ago · 19 km deep · 44 km away
40. 2.033 km SW of Ferndale, CaliforniaFri, Oct 14, 4:54 PM PDT · 17887 days ago · 28 km deep · 61 km away
41. 3.033 km SW of Ferndale, CaliforniaSat, Oct 15, 8:42 AM PDT · 17887 days ago · 24 km deep · 61 km away
42. 1.64 km N of Fortuna, CaliforniaSun, Oct 16, 7:47 AM PDT · 17886 days ago · 21 km deep · 37 km away
43. 1.60 km W of Redway, CaliforniaSun, Oct 16, 5:03 PM PDT · 17885 days ago · 21 km deep · 29 km away
44. 1.513 km SW of Ferndale, CaliforniaMon, Oct 17, 5:05 PM PDT · 17884 days ago · 21 km deep · 45 km away
45. 1.616 km SSW of Ferndale, CaliforniaWed, Oct 19, 12:43 PM PDT · 17882 days ago · 18 km deep · 41 km away
46. 2.119 km WNW of Mad River, CaliforniaWed, Oct 19, 11:00 PM PDT · 17882 days ago · 23 km deep · 23 km away
47. 3.237 km SW of Ferndale, CaliforniaFri, Oct 21, 12:00 AM PDT · 17881 days ago · 23 km deep · 56 km away
48. 1.69 km S of Ferndale, CaliforniaSat, Oct 22, 10:56 AM PDT · 17879 days ago · -1 km deep · 37 km away
49. 2.410 km N of Redcrest, CaliforniaSun, Oct 23, 1:19 PM PDT · 17878 days ago · 20 km deep · 15 km away
50. 2.028 km SW of Ferndale, CaliforniaWed, Oct 26, 9:51 PM PDT · 17875 days ago · 24 km deep · 56 km away
51. 2.329 km SW of Ferndale, CaliforniaThu, Oct 27, 12:46 AM PDT · 17875 days ago · 19 km deep · 54 km away
52. 2.338 km SW of Ferndale, CaliforniaThu, Oct 27, 3:06 PM PDT · 17874 days ago · 19 km deep · 60 km away
53. 1.930 km WSW of Ferndale, CaliforniaFri, Oct 28, 12:53 PM PDT · 17873 days ago · 21 km deep · 65 km away
54. 1.612 km WNW of Ruth, CaliforniaSat, Oct 29, 7:44 PM PDT · 17872 days ago · 25 km deep · 36 km away
55. 3.124 km SW of Scotia, CaliforniaWed, Nov 2, 6:55 PM PST · 17868 days ago · 22 km deep · 39 km away
56. 2.921 km WSW of Weott, CaliforniaThu, Nov 3, 4:59 AM PST · 17868 days ago · 5 km deep · 29 km away
57. 3.710 km SW of Scotia, CaliforniaThu, Nov 3, 6:55 PM PST · 17867 days ago · 4 km deep · 29 km away
58. 1.72 km NNE of Samoa, CaliforniaSun, Nov 6, 1:25 PM PST · 17864 days ago · 23 km deep · 57 km away

Before

1. 2.13 km E of Garberville, CaliforniaWed, Sep 7, 12:20 PM PDT · 17924 days ago · 1 km deep · 33 km away
2. 1.627 km WSW of Ferndale, CaliforniaWed, Sep 7, 2:26 AM PDT · 17925 days ago · 23 km deep · 59 km away
3. 2.218 km SW of Ferndale, CaliforniaTue, Sep 6, 3:38 AM PDT · 17926 days ago · 22 km deep · 46 km away
4. 1.952 km WNW of Indianola, CaliforniaMon, Sep 5, 1:19 PM PDT · 17926 days ago · 15 km deep · 94 km away
5. 2.932 km SW of Ferndale, CaliforniaSat, Sep 3, 8:17 AM PDT · 17929 days ago · 17 km deep · 58 km away
6. 1.636 km WSW of Ferndale, CaliforniaThu, Sep 1, 7:58 PM PDT · 17930 days ago · 23 km deep · 70 km away
7. 1.722 km SW of Scotia, CaliforniaWed, Aug 31, 11:42 PM PDT · 17931 days ago · 25 km deep · 38 km away
8. 2.119 km WNW of Indianola, CaliforniaMon, Aug 29, 2:18 PM PDT · 17933 days ago · 24 km deep · 64 km away
9. 2.920 km W of Indianola, CaliforniaMon, Aug 29, 1:47 PM PDT · 17933 days ago · 23 km deep · 63 km away
10. 2.51 km NNW of Bayside, CaliforniaMon, Aug 29, 7:01 AM PDT · 17934 days ago · 25 km deep · 56 km away
11. 1.824 km SW of Ferndale, CaliforniaMon, Aug 29, 6:08 AM PDT · 17934 days ago · 21 km deep · 52 km away
12. 2.322 km NW of Mad River, CaliforniaSun, Aug 28, 10:26 PM PDT · 17934 days ago · 23 km deep · 24 km away
13. 1.835 km W of Ferndale, CaliforniaSun, Aug 28, 2:32 PM PDT · 17934 days ago · 10 km deep · 71 km away
14. 2.113 km W of Hyampom, CaliforniaSat, Aug 27, 9:48 PM PDT · 17935 days ago · 26 km deep · 35 km away
15. 2.313 km W of Hyampom, CaliforniaSat, Aug 27, 9:42 PM PDT · 17935 days ago · 25 km deep · 36 km away
16. 2.414 km WNW of Ferndale, CaliforniaSat, Aug 27, 11:31 AM PDT · 17935 days ago · 21 km deep · 55 km away
17. 1.518 km NNE of Redcrest, CaliforniaSat, Aug 27, 4:46 AM PDT · 17936 days ago · 23 km deep · 18 km away
18. 1.51 km WSW of Indianola, CaliforniaFri, Aug 26, 7:05 PM PDT · 17936 days ago · 9 km deep · 47 km away
19. 1.91 km WSW of Indianola, CaliforniaFri, Aug 26, 3:53 AM PDT · 17937 days ago · 8 km deep · 46 km away
20. 1.9near the coast of Northern CaliforniaFri, Aug 26, 3:13 AM PDT · 17937 days ago · 8 km deep · 46 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1036694. Read Mon, Oct 5, 2026, 3:27 AM UTC.