M1.8 earthquake 39 km SW of Ferndale, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Mar 30, 1981, 4:41 AM PST

UTC

1981-03-30 12:41:52 UTC

Depth

23.4 km (14.5 mi), shallow

Epicenter

40.328° N, 124.602° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.2 km horizontally, 10.1 km in depth

Depth from

From location

Station coverage gap

271°, poorly surrounded by stations

Stations used

6

• Ferndale, CaliforniaPopulation 1,369. Forecast40 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast48 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast245 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast896 kmNW

After

1. 2.040 km SW of Ferndale, CaliforniaMon, Mar 30, 4:44 AM PST · 16624 days ago · 26 km deep · 0 km away
2. 2.937 km SW of Ferndale, CaliforniaMon, Mar 30, 4:56 AM PST · 16624 days ago · 24 km deep · 3 km away
3. 2.428 km SW of Ferndale, CaliforniaMon, Mar 30, 5:03 AM PST · 16624 days ago · 29 km deep · 11 km away
4. 3.131 km SW of Ferndale, CaliforniaMon, Mar 30, 7:00 AM PST · 16624 days ago · 27 km deep · 9 km away
5. 2.343 km SW of Ferndale, CaliforniaMon, Mar 30, 9:44 AM PST · 16624 days ago · 19 km deep · 5 km away
6. 2.438 km SW of Ferndale, CaliforniaMon, Mar 30, 11:08 AM PST · 16624 days ago · 20 km deep · 1 km away
7. 1.537 km SW of Ferndale, CaliforniaMon, Mar 30, 1:36 PM PST · 16624 days ago · 23 km deep · 3 km away
8. 4.038 km SW of Ferndale, CaliforniaMon, Mar 30, 6:10 PM PST · 16624 days ago · 22 km deep · 1 km away
9. 2.840 km SW of Ferndale, CaliforniaMon, Mar 30, 8:14 PM PST · 16624 days ago · 23 km deep · 2 km away
10. 2.439 km SW of Ferndale, CaliforniaMon, Mar 30, 9:48 PM PST · 16623 days ago · 27 km deep · 1 km away
11. 2.937 km SW of Ferndale, CaliforniaMon, Mar 30, 10:47 PM PST · 16623 days ago · 27 km deep · 2 km away
12. 1.67 km NE of Myers Flat, CaliforniaTue, Mar 31, 3:40 AM PST · 16623 days ago · 48 km deep · 67 km away
13. 3.041 km SW of Ferndale, CaliforniaTue, Mar 31, 5:06 AM PST · 16623 days ago · 23 km deep · 2 km away
14. 2.139 km SW of Ferndale, CaliforniaWed, Apr 1, 9:42 AM PST · 16622 days ago · 23 km deep · 1 km away
15. 2.044 km SW of Ferndale, CaliforniaWed, Apr 1, 10:21 AM PST · 16622 days ago · 18 km deep · 6 km away
16. 1.819 km SW of Ferndale, CaliforniaWed, Apr 1, 7:29 PM PST · 16622 days ago · 18 km deep · 20 km away
17. 1.821 km SSW of Ferndale, CaliforniaWed, Apr 1, 9:32 PM PST · 16621 days ago · 21 km deep · 21 km away
18. 1.520 km SW of Ferndale, CaliforniaWed, Apr 1, 10:00 PM PST · 16621 days ago · 17 km deep · 20 km away
19. 2.014 km WNW of Mad River, CaliforniaWed, Apr 1, 11:07 PM PST · 16621 days ago · 22 km deep · 80 km away
20. 1.648 km WNW of Indianola, CaliforniaThu, Apr 2, 4:09 AM PST · 16621 days ago · 3 km deep · 54 km away
21. 2.418 km WNW of Manila, CaliforniaThu, Apr 2, 9:18 AM PST · 16621 days ago · 17 km deep · 70 km away
22. 3.237 km SW of Ferndale, CaliforniaThu, Apr 2, 4:19 PM PST · 16621 days ago · 22 km deep · 6 km away
23. 3.267 km W of Trinidad, CaliforniaThu, Apr 2, 4:59 PM PST · 16621 days ago · 5 km deep · 95 km away
24. 2.790 km W of Ferndale, CaliforniaFri, Apr 3, 2:38 AM PST · 16620 days ago · 5 km deep · 62 km away
25. 1.818 km W of Ferndale, CaliforniaSat, Apr 4, 4:54 AM PST · 16619 days ago · 22 km deep · 29 km away
26. 1.517 km NE of Redcrest, CaliforniaSat, Apr 4, 7:47 PM PST · 16619 days ago · 26 km deep · 70 km away
27. 1.812 km NE of Myers Flat, CaliforniaSat, Apr 4, 8:17 PM PST · 16619 days ago · -1 km deep · 70 km away
28. 1.529 km SW of Scotia, CaliforniaSun, Apr 5, 1:32 AM PST · 16618 days ago · 19 km deep · 24 km away
29. 2.035 km SW of Ferndale, CaliforniaSun, Apr 5, 4:17 PM PST · 16618 days ago · 35 km deep · 5 km away
30. 2.537 km SSW of Ferndale, CaliforniaMon, Apr 6, 2:57 PM PST · 16617 days ago · 14 km deep · 11 km away
31. 2.420 km SSW of Scotia, CaliforniaTue, Apr 7, 7:22 AM PST · 16616 days ago · 11 km deep · 31 km away
32. 1.8off the coast of Northern CaliforniaWed, Apr 8, 5:36 AM PST · 16615 days ago · 4 km deep · 44 km away
33. 2.338 km SW of Ferndale, CaliforniaWed, Apr 8, 4:37 PM PST · 16615 days ago · 25 km deep · 2 km away
34. 1.928 km SSW of Ferndale, CaliforniaThu, Apr 9, 12:01 AM PST · 16614 days ago · 18 km deep · 14 km away
35. 3.038 km W of Trinidad, CaliforniaThu, Apr 9, 2:38 AM PST · 16614 days ago · 22 km deep · 84 km away
36. 1.936 km SW of Ferndale, CaliforniaThu, Apr 9, 10:01 AM PST · 16614 days ago · 17 km deep · 3 km away
37. 1.826 km SSW of Ferndale, CaliforniaThu, Apr 9, 7:30 PM PST · 16614 days ago · 33 km deep · 15 km away
38. 2.434 km SW of Ferndale, CaliforniaThu, Apr 9, 10:22 PM PST · 16613 days ago · 37 km deep · 6 km away
39. 2.142 km W of Big Lagoon, CaliforniaFri, Apr 10, 8:18 AM PST · 16613 days ago · 5 km deep · 96 km away
40. 2.0108 km W of Ferndale, CaliforniaFri, Apr 10, 5:42 PM PST · 16613 days ago · 5 km deep · 90 km away
41. 2.424 km SW of Scotia, CaliforniaFri, Apr 10, 8:58 PM PST · 16612 days ago · 30 km deep · 24 km away
42. 1.810 km W of Indianola, CaliforniaFri, Apr 10, 11:59 PM PST · 16612 days ago · 8 km deep · 44 km away
43. 2.446 km SW of Ferndale, CaliforniaSat, Apr 11, 12:56 AM PST · 16612 days ago · 16 km deep · 9 km away
44. 1.712 km NE of Myers Flat, CaliforniaSat, Apr 11, 1:02 AM PST · 16612 days ago · 0 km deep · 70 km away
45. 1.951 km SW of Ferndale, CaliforniaSat, Apr 11, 10:24 PM PST · 16611 days ago · 15 km deep · 13 km away
46. 1.626 km NW of Shelter Cove, CaliforniaSun, Apr 12, 12:36 AM PST · 16611 days ago · 4 km deep · 31 km away
47. 1.738 km SW of Ferndale, CaliforniaSun, Apr 12, 2:43 AM PST · 16611 days ago · 16 km deep · 5 km away
48. 1.74 km NNE of Redway, CaliforniaSun, Apr 12, 7:12 AM PST · 16611 days ago · 4 km deep · 71 km away
49. 1.821 km WSW of Burnt Ranch, CaliforniaSun, Apr 12, 7:34 AM PST · 16611 days ago · 23 km deep · 88 km away
50. 1.827 km W of Trinidad, CaliforniaSun, Apr 12, 4:11 PM PST · 16611 days ago · 25 km deep · 78 km away
51. 1.738 km SW of Ferndale, CaliforniaMon, Apr 13, 6:45 AM PST · 16610 days ago · 24 km deep · 3 km away
52. 2.140 km SW of Ferndale, CaliforniaMon, Apr 13, 9:44 AM PST · 16610 days ago · 24 km deep · 2 km away
53. 4.336 km SW of Ferndale, CaliforniaMon, Apr 13, 2:16 PM PST · 16610 days ago · 23 km deep · 5 km away
54. 1.7near the coast of Northern CaliforniaMon, Apr 13, 3:51 PM PST · 16610 days ago · 24 km deep · 5 km away
55. 3.137 km SW of Ferndale, CaliforniaMon, Apr 13, 8:41 PM PST · 16610 days ago · 27 km deep · 4 km away
56. 2.365 km W of Indianola, CaliforniaTue, Apr 14, 12:55 AM PST · 16609 days ago · 20 km deep · 60 km away
57. 2.236 km SW of Ferndale, CaliforniaTue, Apr 14, 1:00 AM PST · 16609 days ago · 27 km deep · 6 km away
58. 1.73 km NNE of Alderpoint, CaliforniaTue, Apr 14, 1:19 PM PST · 16609 days ago · 33 km deep · 86 km away
59. 1.527 km SSW of Ferndale, CaliforniaTue, Apr 14, 2:01 PM PST · 16609 days ago · 16 km deep · 14 km away
60. 2.038 km SW of Ferndale, CaliforniaTue, Apr 14, 4:26 PM PST · 16609 days ago · 21 km deep · 3 km away

The first 60 of 184.

Before

1. 4.338 km SW of Ferndale, CaliforniaMon, Mar 30, 4:38 AM PST · 16624 days ago · 25 km deep · 1 km away
2. 2.014 km NE of Myers Flat, CaliforniaSun, Mar 29, 5:28 PM PST · 16625 days ago · -1 km deep · 73 km away
3. 3.014 km ENE of Weott, CaliforniaSun, Mar 29, 4:22 PM PST · 16625 days ago · 2 km deep · 71 km away
4. 1.810 km NE of Redcrest, CaliforniaSat, Mar 28, 11:31 AM PST · 16626 days ago · 22 km deep · 64 km away
5. 1.69 km SW of Scotia, CaliforniaSat, Mar 28, 6:24 AM PST · 16626 days ago · 20 km deep · 37 km away
6. 2.142 km SW of Ferndale, CaliforniaSat, Mar 28, 2:55 AM PST · 16626 days ago · 17 km deep · 3 km away
7. 2.454 km WNW of Indianola, CaliforniaThu, Mar 26, 9:56 PM PST · 16627 days ago · 15 km deep · 56 km away
8. 2.694 km W of Ferndale, CaliforniaThu, Mar 26, 6:26 PM PST · 16628 days ago · 5 km deep · 65 km away
9. 1.926 km SSW of Ferndale, CaliforniaThu, Mar 26, 11:09 AM PST · 16628 days ago · 17 km deep · 16 km away
10. 1.93 km E of Mad River, CaliforniaThu, Mar 26, 2:25 AM PST · 16628 days ago · -1 km deep · 97 km away
11. 3.139 km SW of Ferndale, CaliforniaWed, Mar 25, 3:39 PM PST · 16629 days ago · 21 km deep · 2 km away
12. 1.637 km SW of Ferndale, CaliforniaWed, Mar 25, 4:23 AM PST · 16629 days ago · 21 km deep · 2 km away
13. 1.913 km W of Trinidad, CaliforniaTue, Mar 24, 5:49 PM PST · 16630 days ago · 14 km deep · 86 km away
14. 1.725 km ENE of Hydesville, CaliforniaTue, Mar 24, 4:29 AM PST · 16630 days ago · 7 km deep · 74 km away
15. 1.723 km W of Ferndale, CaliforniaMon, Mar 23, 9:26 PM PST · 16630 days ago · 19 km deep · 27 km away
16. 2.818 km WSW of Ferndale, CaliforniaSun, Mar 22, 12:01 AM PST · 16632 days ago · 17 km deep · 22 km away
17. 1.511 km W of Mad River, CaliforniaSat, Mar 21, 10:11 AM PST · 16633 days ago · 0 km deep · 82 km away
18. 2.639 km SW of Ferndale, CaliforniaSat, Mar 21, 9:41 AM PST · 16633 days ago · 25 km deep · 1 km away
19. 4.015 km W of Ferndale, CaliforniaFri, Mar 20, 9:38 PM PST · 16633 days ago · 26 km deep · 33 km away
20. 2.417 km WNW of Ferndale, CaliforniaFri, Mar 20, 5:29 AM PST · 16634 days ago · 26 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1061875. Read Sun, Oct 4, 2026, 4:21 PM UTC.