M1.6 earthquake 66 km W of Ferndale, California

Magnitude

1.6 (md), micro

Local time

Mon, Nov 27, 1978, 3:37 AM PST

UTC

1978-11-27 11:37:52 UTC

Depth

4.3 km (2.7 mi), shallow

Epicenter

40.463° N, 125.038° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 12.7 km horizontally, 10.2 km in depth

Depth from

From location

Station coverage gap

313°, poorly surrounded by stations

Stations used

7

• Ferndale, CaliforniaPopulation 1,369. Forecast67 kmW
• Fortuna, CaliforniaPopulation 12,000. Forecast76 kmW
• Chico, CaliforniaPopulation 121,345. Forecast284 kmWNW

After

1. 1.850 km WNW of Indianola, CaliforniaMon, Nov 27, 3:46 AM PST · 17473 days ago · 25 km deep · 42 km away
2. 1.724 km SW of Ferndale, CaliforniaMon, Nov 27, 7:00 AM PST · 17473 days ago · 20 km deep · 47 km away
3. 1.849 km WSW of Ferndale, CaliforniaMon, Nov 27, 11:20 AM PST · 17473 days ago · 18 km deep · 18 km away
4. 1.615 km WNW of Manila, CaliforniaMon, Nov 27, 12:31 PM PST · 17473 days ago · 16 km deep · 78 km away
5. 1.541 km SW of Ferndale, CaliforniaTue, Nov 28, 1:23 AM PST · 17473 days ago · 30 km deep · 41 km away
6. 1.956 km WSW of Ferndale, CaliforniaTue, Nov 28, 7:43 AM PST · 17472 days ago · 13 km deep · 23 km away
7. 2.47 km W of Rio Dell, CaliforniaTue, Nov 28, 3:32 PM PST · 17472 days ago · 19 km deep · 71 km away
8. 1.824 km SW of Ferndale, CaliforniaWed, Nov 29, 2:23 AM PST · 17471 days ago · 20 km deep · 46 km away
9. 1.664 km WSW of Ferndale, CaliforniaWed, Nov 29, 6:30 PM PST · 17471 days ago · 4 km deep · 16 km away
10. 1.510 km S of Ferndale, CaliforniaWed, Nov 29, 7:56 PM PST · 17471 days ago · 18 km deep · 64 km away
11. 1.966 km WSW of Ferndale, CaliforniaThu, Nov 30, 5:27 AM PST · 17470 days ago · 4 km deep · 9 km away
12. 4.0143 km W of Ferndale, CaliforniaThu, Nov 30, 8:38 AM PST · 17470 days ago · 41 km deep · 78 km away
13. 1.62 km W of Rio Dell, CaliforniaThu, Nov 30, 2:10 PM PST · 17470 days ago · 18 km deep · 77 km away
14. 1.926 km W of Ferndale, CaliforniaThu, Nov 30, 7:02 PM PST · 17470 days ago · 22 km deep · 42 km away
15. 1.830 km SW of Ferndale, CaliforniaFri, Dec 1, 2:47 AM PST · 17469 days ago · 18 km deep · 47 km away
16. 1.6off the coast of Northern CaliforniaFri, Dec 1, 8:04 AM PST · 17469 days ago · 5 km deep · 11 km away
17. 1.538 km W of Ferndale, CaliforniaSat, Dec 2, 5:44 AM PST · 17468 days ago · 26 km deep · 34 km away
18. 1.630 km WSW of Ferndale, CaliforniaSat, Dec 2, 6:04 PM PST · 17468 days ago · 26 km deep · 39 km away
19. 5.1123 km W of Ferndale, CaliforniaSat, Dec 2, 10:48 PM PST · 17468 days ago · 103 km deep · 61 km away
20. 1.85 km NE of Redcrest, CaliforniaSun, Dec 3, 8:20 AM PST · 17467 days ago · 0 km deep · 97 km away
21. 2.12 km W of Rio Dell, CaliforniaSun, Dec 3, 9:32 AM PST · 17467 days ago · 19 km deep · 77 km away
22. 1.935 km SSW of Ferndale, CaliforniaMon, Dec 4, 4:53 PM PST · 17466 days ago · 19 km deep · 51 km away
23. 1.628 km SW of Ferndale, CaliforniaTue, Dec 5, 8:31 AM PST · 17465 days ago · 5 km deep · 44 km away
24. 1.924 km SW of Ferndale, CaliforniaTue, Dec 5, 12:51 PM PST · 17465 days ago · 28 km deep · 48 km away
25. 1.826 km SW of Ferndale, CaliforniaWed, Dec 6, 4:17 PM PST · 17464 days ago · 12 km deep · 45 km away
26. 2.761 km W of Ferndale, CaliforniaWed, Dec 6, 8:59 PM PST · 17464 days ago · 34 km deep · 21 km away
27. 1.622 km SW of Ferndale, CaliforniaWed, Dec 6, 9:57 PM PST · 17464 days ago · 23 km deep · 51 km away
28. 2.069 km WSW of Ferndale, CaliforniaThu, Dec 7, 11:41 AM PST · 17463 days ago · 5 km deep · 7 km away
29. 2.830 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:33 PM PST · 17463 days ago · 23 km deep · 39 km away
30. 2.430 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:36 PM PST · 17463 days ago · 23 km deep · 38 km away
31. 1.625 km SW of Ferndale, CaliforniaFri, Dec 8, 1:22 AM PST · 17463 days ago · 18 km deep · 44 km away
32. 1.523 km WSW of Ferndale, CaliforniaSat, Dec 9, 2:48 PM PST · 17461 days ago · 21 km deep · 45 km away
33. 2.161 km W of Indianola, CaliforniaSat, Dec 9, 8:30 PM PST · 17461 days ago · 20 km deep · 34 km away
34. 2.1near the coast of Northern CaliforniaSun, Dec 10, 6:24 AM PST · 17460 days ago · 13 km deep · 82 km away
35. 2.060 km W of Ferndale, CaliforniaMon, Dec 11, 5:29 PM PST · 17459 days ago · 29 km deep · 7 km away
36. 1.543 km WSW of Ferndale, CaliforniaMon, Dec 11, 11:01 PM PST · 17459 days ago · 20 km deep · 25 km away
37. 2.511 km NE of Hydesville, CaliforniaTue, Dec 12, 11:35 PM PST · 17458 days ago · 6 km deep · 90 km away
38. 2.296 km WSW of Ferndale, CaliforniaThu, Dec 14, 9:17 PM PST · 17456 days ago · 4 km deep · 30 km away
39. 1.514 km SW of Scotia, CaliforniaFri, Dec 15, 7:42 AM PST · 17455 days ago · 11 km deep · 71 km away
40. 1.62 km N of Loleta, CaliforniaSat, Dec 16, 11:41 AM PST · 17454 days ago · 13 km deep · 72 km away
41. 1.976 km WSW of Ferndale, CaliforniaMon, Dec 18, 5:46 AM PST · 17452 days ago · 6 km deep · 10 km away
42. 2.536 km SSW of Ferndale, CaliforniaMon, Dec 18, 6:19 AM PST · 17452 days ago · 18 km deep · 52 km away
43. 1.824 km SSW of Ferndale, CaliforniaMon, Dec 18, 11:42 PM PST · 17452 days ago · 16 km deep · 57 km away
44. 3.272 km W of Ferndale, CaliforniaTue, Dec 19, 4:59 AM PST · 17451 days ago · 1 km deep · 13 km away
45. 2.89 km S of Ferndale, CaliforniaTue, Dec 19, 2:04 PM PST · 17451 days ago · 19 km deep · 64 km away
46. 1.828 km SW of Ferndale, CaliforniaWed, Dec 20, 9:04 PM PST · 17450 days ago · 19 km deep · 43 km away
47. 1.54 km ESE of McKinleyville, CaliforniaWed, Dec 20, 9:28 PM PST · 17450 days ago · 22 km deep · 98 km away
48. 1.730 km WSW of Ferndale, CaliforniaThu, Dec 21, 12:39 AM PST · 17450 days ago · 19 km deep · 40 km away
49. 1.536 km SW of Ferndale, CaliforniaThu, Dec 21, 5:05 AM PST · 17449 days ago · 17 km deep · 47 km away
50. 1.99 km SSW of Ferndale, CaliforniaThu, Dec 21, 9:03 AM PST · 17449 days ago · 19 km deep · 63 km away
51. 1.520 km W of Indianola, CaliforniaThu, Dec 21, 10:40 PM PST · 17449 days ago · 23 km deep · 54 km away
52. 2.722 km WSW of Weott, CaliforniaFri, Dec 22, 1:33 AM PST · 17449 days ago · 9 km deep · 79 km away
53. 3.166 km WSW of Ferndale, CaliforniaFri, Dec 22, 4:18 AM PST · 17448 days ago · 26 km deep · 9 km away
54. 1.842 km SW of Ferndale, CaliforniaFri, Dec 22, 9:08 AM PST · 17448 days ago · 27 km deep · 39 km away
55. 1.736 km SW of Ferndale, CaliforniaFri, Dec 22, 9:16 PM PST · 17448 days ago · 26 km deep · 47 km away
56. 2.027 km SW of Ferndale, CaliforniaSat, Dec 23, 4:05 AM PST · 17447 days ago · 19 km deep · 44 km away
57. 1.835 km SW of Ferndale, CaliforniaSat, Dec 23, 5:51 PM PST · 17447 days ago · 14 km deep · 37 km away
58. 1.624 km SW of Ferndale, CaliforniaTue, Dec 26, 3:15 AM PST · 17444 days ago · 27 km deep · 50 km away
59. 2.735 km SSW of Ferndale, CaliforniaTue, Dec 26, 2:42 PM PST · 17444 days ago · 12 km deep · 55 km away
60. 1.716 km WNW of Fields Landing, CaliforniaTue, Dec 26, 4:05 PM PST · 17444 days ago · 20 km deep · 64 km away

The first 60 of 119.

Before

1. 2.0103 km WSW of Ferndale, CaliforniaSun, Nov 26, 11:01 AM PST · 17474 days ago · 4 km deep · 36 km away
2. 2.024 km SW of Scotia, CaliforniaSun, Nov 26, 8:55 AM PST · 17474 days ago · 8 km deep · 68 km away
3. 1.632 km SW of Scotia, CaliforniaSat, Nov 25, 11:25 PM PST · 17475 days ago · 11 km deep · 59 km away
4. 1.725 km SW of Ferndale, CaliforniaSat, Nov 25, 3:20 PM PST · 17475 days ago · 28 km deep · 44 km away
5. 1.627 km SW of Ferndale, CaliforniaSat, Nov 25, 1:30 PM PST · 17475 days ago · 16 km deep · 51 km away
6. 1.645 km W of Ferndale, CaliforniaSat, Nov 25, 2:44 AM PST · 17475 days ago · 4 km deep · 25 km away
7. 1.62 km NNW of Arcata, CaliforniaFri, Nov 24, 12:34 PM PST · 17476 days ago · 21 km deep · 93 km away
8. 1.838 km W of Ferndale, CaliforniaWed, Nov 22, 3:27 PM PST · 17478 days ago · 23 km deep · 30 km away
9. 3.995 km WSW of Ferndale, CaliforniaWed, Nov 22, 3:02 PM PST · 17478 days ago · 33 km deep · 28 km away
10. 1.62 km SE of Indianola, CaliforniaWed, Nov 22, 2:41 PM PST · 17478 days ago · 22 km deep · 73 km away
11. 2.664 km WNW of Ferndale, CaliforniaWed, Nov 22, 3:41 AM PST · 17478 days ago · 0 km deep · 28 km away
12. 2.5145 km W of Ferndale, CaliforniaWed, Nov 22, 1:14 AM PST · 17479 days ago · 4 km deep · 82 km away
13. 1.838 km SW of Ferndale, CaliforniaMon, Nov 20, 4:34 AM PST · 17480 days ago · 22 km deep · 47 km away
14. 1.648 km SW of Ferndale, CaliforniaMon, Nov 20, 2:49 AM PST · 17480 days ago · 8 km deep · 35 km away
15. 2.652 km W of Indianola, CaliforniaSun, Nov 19, 11:36 PM PST · 17481 days ago · 16 km deep · 33 km away
16. 3.395 km W of Trinidad, CaliforniaThu, Nov 16, 7:07 PM PST · 17484 days ago · 6 km deep · 73 km away
17. 1.935 km SSW of Ferndale, CaliforniaWed, Nov 15, 11:04 PM PST · 17485 days ago · 24 km deep · 49 km away
18. 3.011 km SSW of Scotia, CaliforniaWed, Nov 15, 8:48 PM PST · 17485 days ago · 26 km deep · 77 km away
19. 2.117 km SW of Scotia, CaliforniaWed, Nov 15, 3:35 PM PST · 17485 days ago · 27 km deep · 68 km away
20. 1.616 km WSW of Scotia, CaliforniaTue, Nov 14, 11:34 AM PST · 17486 days ago · 24 km deep · 65 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1043521. Read Tue, Sep 29, 2026, 9:31 PM UTC.