M2.1 earthquake 18 km NE of Hydesville, California

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Mar 24, 1980, 4:46 AM PST

UTC

1980-03-24 12:46:36 UTC

Depth

23.8 km (14.8 mi), shallow

Epicenter

40.650° N, 123.919° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

82°

Stations used

20

• Hydesville, CaliforniaPopulation 1,237. Forecast19 kmNE
• Fortuna, CaliforniaPopulation 12,000. Forecast21 kmENE
• Chico, CaliforniaPopulation 121,345. Forecast204 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast888 kmNNW

After

1. 2.222 km SW of Ferndale, CaliforniaWed, Mar 26, 1:38 AM PST · 16994 days ago · 23 km deep · 52 km away
2. 2.535 km SW of Ferndale, CaliforniaWed, Mar 26, 5:58 AM PST · 16994 days ago · 23 km deep · 63 km away
3. 1.627 km WSW of Ferndale, CaliforniaWed, Mar 26, 8:37 PM PST · 16993 days ago · 18 km deep · 57 km away
4. 1.532 km WSW of Ferndale, CaliforniaWed, Mar 26, 10:04 PM PST · 16993 days ago · 17 km deep · 62 km away
5. 3.028 km SW of Ferndale, CaliforniaFri, Mar 28, 9:50 AM PST · 16991 days ago · 19 km deep · 56 km away
6. 3.440 km SW of Ferndale, CaliforniaFri, Mar 28, 2:00 PM PST · 16991 days ago · 22 km deep · 69 km away
7. 2.639 km SW of Ferndale, CaliforniaFri, Mar 28, 2:28 PM PST · 16991 days ago · 22 km deep · 67 km away
8. 2.841 km SW of Ferndale, CaliforniaSat, Mar 29, 2:53 AM PST · 16991 days ago · 27 km deep · 70 km away
9. 2.328 km SW of Scotia, CaliforniaSun, Mar 30, 11:57 PM PST · 16989 days ago · 7 km deep · 52 km away
10. 1.66 km S of Mad River, CaliforniaWed, Apr 2, 4:53 AM PST · 16987 days ago · 22 km deep · 45 km away
11. 1.616 km WSW of Scotia, CaliforniaWed, Apr 2, 10:42 PM PST · 16986 days ago · 18 km deep · 39 km away
12. 1.75 km S of Benbow, CaliforniaThu, Apr 3, 11:48 AM PST · 16985 days ago · 16 km deep · 71 km away
13. 3.237 km SW of Ferndale, CaliforniaThu, Apr 3, 3:45 PM PST · 16985 days ago · 23 km deep · 65 km away
14. 1.719 km N of Shelter Cove, CaliforniaFri, Apr 4, 3:45 PM PST · 16984 days ago · 10 km deep · 52 km away
15. 3.66 km NE of Fieldbrook, CaliforniaFri, Apr 4, 8:10 PM PST · 16984 days ago · 20 km deep · 40 km away
16. 3.641 km SW of Ferndale, CaliforniaSat, Apr 5, 5:56 AM PST · 16984 days ago · 11 km deep · 69 km away
17. 1.926 km SSW of Ferndale, CaliforniaSun, Apr 6, 10:38 AM PST · 16982 days ago · 17 km deep · 51 km away
18. 2.464 km WSW of Ferndale, CaliforniaSun, Apr 6, 5:06 PM PST · 16982 days ago · 42 km deep · 94 km away
19. 1.816 km WSW of Scotia, CaliforniaSun, Apr 6, 10:42 PM PST · 16982 days ago · 18 km deep · 40 km away
20. 1.716 km WSW of Scotia, CaliforniaMon, Apr 7, 4:26 AM PST · 16982 days ago · 19 km deep · 40 km away
21. 1.923 km SSW of Willow Creek, CaliforniaMon, Apr 7, 4:52 PM PST · 16981 days ago · 3 km deep · 18 km away
22. 1.538 km SSW of Ferndale, CaliforniaTue, Apr 8, 6:57 AM PST · 16981 days ago · 20 km deep · 64 km away
23. 1.514 km SSW of Scotia, CaliforniaFri, Apr 11, 12:57 AM PST · 16978 days ago · 22 km deep · 38 km away
24. 2.916 km S of Ferndale, CaliforniaFri, Apr 11, 10:33 AM PST · 16977 days ago · 26 km deep · 40 km away
25. 1.660 km WSW of Ferndale, CaliforniaSat, Apr 12, 12:34 AM PST · 16977 days ago · 22 km deep · 90 km away
26. 1.835 km WNW of Ferndale, CaliforniaTue, Apr 15, 5:16 AM PST · 16974 days ago · 20 km deep · 64 km away
27. 3.2near the coast of Northern CaliforniaTue, Apr 15, 9:35 AM PST · 16973 days ago · 18 km deep · 54 km away
28. 3.034 km SW of Ferndale, CaliforniaTue, Apr 15, 10:27 PM PST · 16973 days ago · 17 km deep · 62 km away
29. 1.731 km SW of Ferndale, CaliforniaWed, Apr 16, 4:23 PM PST · 16972 days ago · 13 km deep · 60 km away
30. 2.028 km SW of Ferndale, CaliforniaThu, Apr 17, 9:09 AM PST · 16971 days ago · 30 km deep · 57 km away
31. 1.515 km NNE of Redcrest, CaliforniaFri, Apr 18, 3:20 AM PST · 16971 days ago · 23 km deep · 14 km away
32. 1.747 km SW of Ferndale, CaliforniaFri, Apr 18, 6:16 PM PST · 16970 days ago · 29 km deep · 77 km away
33. 1.610 km NNE of Phillipsville, CaliforniaFri, Apr 18, 10:39 PM PST · 16970 days ago · 26 km deep · 43 km away
34. 1.622 km WSW of Ferndale, CaliforniaFri, Apr 18, 11:26 PM PST · 16970 days ago · 23 km deep · 53 km away
35. 2.136 km SW of Ferndale, CaliforniaSat, Apr 19, 7:34 AM PST · 16970 days ago · 25 km deep · 63 km away
36. 2.77 km W of Rio Dell, CaliforniaTue, Apr 22, 12:42 AM PST · 16967 days ago · 21 km deep · 29 km away
37. 1.932 km SW of Scotia, CaliforniaTue, Apr 22, 4:05 PM PST · 16966 days ago · 18 km deep · 56 km away
38. 2.51 km WNW of Loleta, CaliforniaTue, Apr 22, 8:29 PM PST · 16966 days ago · 21 km deep · 28 km away
39. 1.629 km SW of Ferndale, CaliforniaThu, Apr 24, 3:09 AM PST · 16965 days ago · 28 km deep · 57 km away
40. 2.036 km SW of Ferndale, CaliforniaFri, Apr 25, 11:36 AM PST · 16963 days ago · 28 km deep · 63 km away
41. 1.560 km W of Ferndale, CaliforniaFri, Apr 25, 10:22 PM PST · 16963 days ago · 5 km deep · 90 km away
42. 2.939 km SW of Ferndale, CaliforniaSat, Apr 26, 7:31 PM PST · 16962 days ago · 22 km deep · 67 km away
43. 1.825 km WSW of Ferndale, CASun, Apr 27, 5:26 AM PDT · 16962 days ago · 25 km deep · 54 km away
44. 4.08 km NNW of Mad River, CaliforniaTue, Apr 29, 6:50 AM PDT · 16960 days ago · 23 km deep · 35 km away
45. 3.38 km NNW of Mad River, CaliforniaTue, Apr 29, 7:30 AM PDT · 16960 days ago · 24 km deep · 35 km away
46. 1.95 km N of Mad River, CaliforniaTue, Apr 29, 8:27 AM PDT · 16960 days ago · 37 km deep · 39 km away
47. 3.070 km W of Ferndale, CaliforniaWed, Apr 30, 7:02 AM PDT · 16959 days ago · 32 km deep · 99 km away
48. 2.521 km SSW of Ferndale, CaliforniaWed, Apr 30, 1:38 PM PDT · 16958 days ago · 27 km deep · 46 km away
49. 1.97 km N of Mad River, CaliforniaFri, May 2, 1:38 PM PDT · 16956 days ago · 23 km deep · 37 km away
50. 1.712 km WNW of Fields Landing, CaliforniaFri, May 2, 4:35 PM PDT · 16956 days ago · 25 km deep · 39 km away
51. 1.637 km SW of Ferndale, CaliforniaSat, May 3, 2:00 AM PDT · 16956 days ago · 21 km deep · 63 km away
52. 1.57 km N of Mad River, CaliforniaTue, May 6, 7:20 PM PDT · 16952 days ago · 23 km deep · 38 km away
53. 3.028 km W of Samoa, CaliforniaWed, May 7, 5:55 AM PDT · 16952 days ago · 22 km deep · 55 km away
54. 1.631 km WNW of Samoa, CaliforniaWed, May 7, 7:00 PM PDT · 16951 days ago · 18 km deep · 60 km away
55. 1.87 km N of Mad River, CaliforniaFri, May 9, 10:16 PM PDT · 16949 days ago · 22 km deep · 37 km away
56. 1.925 km SW of Ferndale, CaliforniaMon, May 12, 6:43 AM PDT · 16947 days ago · 18 km deep · 54 km away
57. 2.029 km SSW of Ferndale, CaliforniaTue, May 13, 1:08 PM PDT · 16945 days ago · 19 km deep · 53 km away
58. 1.85 km NE of Myers Flat, CaliforniaWed, May 14, 5:23 AM PDT · 16945 days ago · 5 km deep · 39 km away
59. 1.72 km SSW of Bayview, CaliforniaThu, May 15, 11:16 AM PDT · 16943 days ago · 18 km deep · 26 km away
60. 1.623 km SW of Ferndale, CaliforniaFri, May 16, 11:30 AM PDT · 16942 days ago · 23 km deep · 52 km away

The first 60 of 78.

Before

1. 2.628 km WNW of Ferndale, CaliforniaSun, Mar 23, 4:52 PM PST · 16996 days ago · 21 km deep · 57 km away
2. 2.935 km WNW of Ferndale, CaliforniaSat, Mar 22, 4:52 PM PST · 16997 days ago · 21 km deep · 64 km away
3. 2.127 km S of Shelter Cove, CaliforniaSat, Mar 22, 3:23 PM PST · 16997 days ago · 6 km deep · 97 km away
4. 2.225 km S of Shelter Cove, CaliforniaSat, Mar 22, 9:59 AM PST · 16997 days ago · 15 km deep · 95 km away
5. 2.015 km SW of Scotia, CaliforniaFri, Mar 21, 11:27 PM PST · 16998 days ago · 28 km deep · 40 km away
6. 2.934 km WSW of Ferndale, CaliforniaFri, Mar 21, 11:19 AM PST · 16998 days ago · 23 km deep · 64 km away
7. 1.645 km SW of Ferndale, CaliforniaWed, Mar 19, 7:13 PM PST · 17000 days ago · 21 km deep · 72 km away
8. 1.617 km WSW of Scotia, CaliforniaTue, Mar 18, 4:40 AM PST · 17002 days ago · 28 km deep · 41 km away
9. 1.852 km WNW of Indianola, CaliforniaSun, Mar 16, 9:20 AM PST · 17003 days ago · 19 km deep · 79 km away
10. 1.78 km NNW of Mad River, CaliforniaSun, Mar 16, 6:48 AM PST · 17004 days ago · 27 km deep · 33 km away
11. 1.68 km SSW of Scotia, CaliforniaSat, Mar 15, 1:16 AM PST · 17005 days ago · 21 km deep · 33 km away
12. 3.034 km W of Ferndale, CaliforniaFri, Mar 14, 8:25 PM PST · 17005 days ago · 20 km deep · 63 km away
13. 2.020 km SSW of Ferndale, CaliforniaFri, Mar 14, 12:05 AM PST · 17006 days ago · 20 km deep · 47 km away
14. 2.040 km SW of Ferndale, CaliforniaThu, Mar 13, 8:31 PM PST · 17006 days ago · 22 km deep · 68 km away
15. 2.037 km SW of Scotia, CaliforniaThu, Mar 13, 2:41 PM PST · 17006 days ago · 19 km deep · 62 km away
16. 2.410 km ENE of Shelter Cove, CaliforniaTue, Mar 11, 4:26 PM PST · 17008 days ago · 17 km deep · 65 km away
17. 2.418 km NE of Leggett, CaliforniaMon, Mar 10, 9:42 PM PST · 17009 days ago · -1 km deep · 80 km away
18. 1.968 km WNW of Indianola, CaliforniaMon, Mar 10, 4:07 PM PST · 17009 days ago · 7 km deep · 95 km away
19. 1.824 km SE of Alderpoint, CaliforniaSat, Mar 8, 6:36 PM PST · 17011 days ago · 2 km deep · 83 km away
20. 1.656 km SW of Ferndale, CaliforniaWed, Mar 5, 4:27 PM PST · 17014 days ago · 32 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1051731. Read Mon, Oct 5, 2026, 4:02 AM UTC.