M2.5 earthquake 20 km SSW of Ferndale, California

Magnitude

2.5 (md), micro

Local time

Wed, Jan 11, 1978, 5:52 PM PST

UTC

1978-01-12 01:52:22 UTC

Depth

27.9 km (17.3 mi), shallow

Epicenter

40.400° N, 124.348° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.6 km horizontally, 2.1 km in depth

Depth from

From location

Station coverage gap

277°, poorly surrounded by stations

Stations used

13

• Ferndale, CaliforniaPopulation 1,369. Forecast21 kmSSW
• Fortuna, CaliforniaPopulation 12,000. Forecast27 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast226 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast889 kmNW

After

1. 1.832 km SW of Ferndale, CaliforniaWed, Jan 11, 7:13 PM PST · 17786 days ago · 27 km deep · 17 km away
2. 2.682 km W of Ferndale, CaliforniaThu, Jan 12, 12:53 AM PST · 17786 days ago · 8 km deep · 79 km away
3. 2.836 km SW of Ferndale, CaliforniaThu, Jan 12, 10:02 PM PST · 17785 days ago · 23 km deep · 18 km away
4. 3.121 km SSW of Ferndale, CaliforniaSat, Jan 14, 8:13 AM PST · 17783 days ago · 29 km deep · 1 km away
5. 2.730 km W of Ferndale, CaliforniaTue, Jan 17, 6:10 AM PST · 17780 days ago · 21 km deep · 33 km away
6. 1.62 km SW of Bayview, CaliforniaTue, Jan 17, 10:09 AM PST · 17780 days ago · 7 km deep · 41 km away
7. 2.463 km WSW of Ferndale, CaliforniaTue, Jan 17, 7:31 PM PST · 17780 days ago · 9 km deep · 48 km away
8. 1.726 km SSW of Scotia, CaliforniaWed, Jan 18, 6:12 AM PST · 17779 days ago · 6 km deep · 15 km away
9. 3.731 km WSW of Ferndale, CaliforniaWed, Jan 18, 8:08 AM PST · 17779 days ago · 21 km deep · 27 km away
10. 2.334 km SW of Ferndale, CaliforniaThu, Jan 19, 1:42 AM PST · 17778 days ago · 23 km deep · 19 km away
11. 1.831 km SW of Ferndale, CaliforniaThu, Jan 19, 4:17 PM PST · 17778 days ago · 20 km deep · 14 km away
12. 1.52 km SSE of Humboldt Hill, CaliforniaFri, Jan 20, 9:52 PM PST · 17777 days ago · 17 km deep · 36 km away
13. 1.82 km SSE of Humboldt Hill, CaliforniaFri, Jan 20, 10:20 PM PST · 17777 days ago · 16 km deep · 36 km away
14. 1.92 km SSE of Humboldt Hill, CaliforniaFri, Jan 20, 11:11 PM PST · 17777 days ago · 16 km deep · 36 km away
15. 1.72 km S of Humboldt Hill, CaliforniaFri, Jan 20, 11:24 PM PST · 17777 days ago · 17 km deep · 36 km away
16. 1.62 km S of Humboldt Hill, CaliforniaFri, Jan 20, 11:34 PM PST · 17777 days ago · 15 km deep · 37 km away
17. 2.632 km W of Samoa, CaliforniaSun, Jan 22, 5:39 PM PST · 17775 days ago · 25 km deep · 55 km away
18. 1.529 km WSW of Ferndale, CaliforniaMon, Jan 23, 5:19 PM PST · 17774 days ago · 22 km deep · 20 km away
19. 2.89 km WNW of Indianola, CaliforniaTue, Jan 24, 1:34 AM PST · 17773 days ago · 21 km deep · 34 km away
20. 1.815 km SW of Mad River, CaliforniaTue, Jan 24, 6:55 AM PST · 17773 days ago · 21 km deep · 62 km away
21. 1.72 km SSE of Humboldt Hill, CaliforniaThu, Jan 26, 9:46 AM PST · 17771 days ago · 16 km deep · 36 km away
22. 1.810 km WNW of Fields Landing, CaliforniaThu, Jan 26, 7:18 PM PST · 17771 days ago · 16 km deep · 42 km away
23. 2.484 km WSW of Ferndale, CaliforniaSat, Jan 28, 9:24 AM PST · 17769 days ago · 11 km deep · 70 km away
24. 2.236 km WSW of Ferndale, CaliforniaSat, Jan 28, 9:24 PM PST · 17769 days ago · 16 km deep · 27 km away
25. 1.935 km WSW of Ferndale, CaliforniaSat, Jan 28, 9:35 PM PST · 17769 days ago · 17 km deep · 27 km away
26. 3.234 km WSW of Ferndale, CaliforniaSat, Jan 28, 9:51 PM PST · 17769 days ago · 20 km deep · 24 km away
27. 3.735 km WSW of Ferndale, CaliforniaSat, Jan 28, 10:01 PM PST · 17769 days ago · 19 km deep · 26 km away
28. 1.827 km WSW of Ferndale, CaliforniaSat, Jan 28, 10:13 PM PST · 17769 days ago · 19 km deep · 20 km away
29. 1.837 km WSW of Ferndale, CaliforniaSat, Jan 28, 10:23 PM PST · 17769 days ago · 16 km deep · 28 km away
30. 1.636 km WSW of Ferndale, CaliforniaSat, Jan 28, 10:27 PM PST · 17769 days ago · 16 km deep · 28 km away
31. 1.634 km WSW of Ferndale, CaliforniaSat, Jan 28, 11:11 PM PST · 17769 days ago · 16 km deep · 26 km away
32. 1.558 km WSW of Ferndale, CaliforniaSun, Jan 29, 12:31 AM PST · 17769 days ago · 8 km deep · 48 km away
33. 1.526 km WSW of Ferndale, CaliforniaSun, Jan 29, 12:38 AM PST · 17769 days ago · 17 km deep · 19 km away
34. 2.136 km WSW of Ferndale, CaliforniaSun, Jan 29, 2:40 AM PST · 17768 days ago · 16 km deep · 28 km away
35. 1.934 km WSW of Ferndale, CaliforniaSun, Jan 29, 3:48 AM PST · 17768 days ago · 16 km deep · 26 km away
36. 2.822 km SSW of Ferndale, CaliforniaSun, Jan 29, 7:47 AM PST · 17768 days ago · 19 km deep · 2 km away
37. 1.732 km WSW of Ferndale, CaliforniaSun, Jan 29, 8:12 AM PST · 17768 days ago · 17 km deep · 24 km away
38. 1.731 km WSW of Ferndale, CaliforniaSun, Jan 29, 8:44 AM PST · 17768 days ago · 18 km deep · 22 km away
39. 2.336 km WSW of Ferndale, CaliforniaSun, Jan 29, 8:53 AM PST · 17768 days ago · 16 km deep · 28 km away
40. 2.015 km SW of Scotia, CaliforniaMon, Jan 30, 12:16 AM PST · 17768 days ago · 28 km deep · 9 km away
41. 1.929 km WSW of Ferndale, CaliforniaMon, Jan 30, 9:25 AM PST · 17767 days ago · 16 km deep · 24 km away
42. 2.029 km WSW of Ferndale, CaliforniaTue, Jan 31, 5:40 PM PST · 17766 days ago · 25 km deep · 20 km away
43. 1.934 km SW of Ferndale, CaliforniaWed, Feb 1, 12:27 AM PST · 17766 days ago · 20 km deep · 17 km away
44. 2.427 km WSW of Ferndale, CaliforniaWed, Feb 1, 5:00 AM PST · 17765 days ago · 23 km deep · 18 km away
45. 1.736 km WNW of Ferndale, CaliforniaWed, Feb 1, 6:53 PM PST · 17765 days ago · 21 km deep · 40 km away
46. 2.236 km SW of Ferndale, CaliforniaSat, Feb 4, 6:14 AM PST · 17762 days ago · 19 km deep · 23 km away
47. 2.547 km W of Ferndale, CaliforniaMon, Feb 6, 1:19 PM PST · 17760 days ago · 19 km deep · 46 km away
48. 1.72 km SSW of Loleta, CaliforniaWed, Feb 8, 10:33 AM PST · 17758 days ago · 19 km deep · 26 km away
49. 2.8near the coast of Northern CaliforniaWed, Feb 8, 1:07 PM PST · 17758 days ago · 26 km deep · 16 km away
50. 1.76 km WNW of Loleta, CaliforniaThu, Feb 9, 11:30 PM PST · 17757 days ago · 20 km deep · 28 km away
51. 2.115 km NW of Manila, CaliforniaFri, Feb 10, 6:04 PM PST · 17756 days ago · 19 km deep · 62 km away
52. 2.711 km NE of Miranda, CaliforniaFri, Feb 10, 8:29 PM PST · 17756 days ago · 30 km deep · 55 km away
53. 2.156 km WNW of Samoa, CaliforniaSat, Feb 11, 12:14 AM PST · 17756 days ago · 3 km deep · 76 km away
54. 1.930 km WSW of Ferndale, CaliforniaSat, Feb 11, 9:02 AM PST · 17755 days ago · 22 km deep · 26 km away
55. 2.036 km SW of Ferndale, CaliforniaSun, Feb 12, 6:26 PM PST · 17754 days ago · 22 km deep · 19 km away
56. 1.622 km SW of Ferndale, CaliforniaMon, Feb 13, 3:07 PM PST · 17753 days ago · 20 km deep · 12 km away
57. 3.920 km SSW of Scotia, CaliforniaTue, Feb 14, 1:03 PM PST · 17752 days ago · 29 km deep · 18 km away
58. 1.79 km WSW of Rio Dell, CaliforniaThu, Feb 16, 6:28 AM PST · 17750 days ago · 24 km deep · 14 km away
59. 2.72 km WNW of Fields Landing, CaliforniaThu, Feb 16, 2:22 PM PST · 17750 days ago · 19 km deep · 38 km away
60. 2.810 km S of Ferndale, CaliforniaFri, Feb 17, 2:02 AM PST · 17749 days ago · 19 km deep · 11 km away

The first 60 of 100.

Before

1. 2.214 km NE of Redcrest, CaliforniaSun, Jan 8, 3:37 PM PST · 17789 days ago · 23 km deep · 44 km away
2. 2.018 km W of Ferndale, CaliforniaSun, Jan 8, 2:48 PM PST · 17789 days ago · 21 km deep · 22 km away
3. 2.1Northern CaliforniaFri, Jan 6, 11:32 PM PST · 17791 days ago · 18 km deep · 51 km away
4. 2.315 km SSW of Ferndale, CaliforniaThu, Jan 5, 8:49 PM PST · 17792 days ago · 23 km deep · 5 km away
5. 2.21 km NNW of Garberville, CaliforniaThu, Jan 5, 7:51 PM PST · 17792 days ago · 17 km deep · 56 km away
6. 3.811 km W of Ferndale, CaliforniaWed, Jan 4, 4:23 AM PST · 17793 days ago · 22 km deep · 19 km away
7. 4.052 km W of Indianola, CaliforniaSun, Jan 1, 10:39 PM PST · 17796 days ago · 24 km deep · 59 km away
8. 1.6Northern CaliforniaSun, Jan 1, 7:56 PM PST · 17796 days ago · 25 km deep · 34 km away
9. 1.77 km NE of Miranda, CaliforniaSat, Dec 31, 8:39 PM PST · 17797 days ago · 16 km deep · 52 km away
10. 1.526 km SW of Ferndale, CaliforniaSat, Dec 31, 2:02 PM PST · 17797 days ago · 24 km deep · 8 km away
11. 1.73 km N of Hydesville, CaliforniaSat, Dec 31, 4:02 AM PST · 17797 days ago · 18 km deep · 29 km away
12. 1.826 km WNW of Ferndale, CaliforniaFri, Dec 30, 1:48 AM PST · 17798 days ago · 4 km deep · 32 km away
13. 4.166 km WNW of Ferndale, CaliforniaThu, Dec 29, 11:25 PM PST · 17799 days ago · 4 km deep · 68 km away
14. 2.015 km SSW of Ferndale, CaliforniaThu, Dec 29, 10:27 AM PST · 17799 days ago · 27 km deep · 5 km away
15. 1.812 km SSE of Blue Lake, CaliforniaTue, Dec 27, 7:24 PM PST · 17801 days ago · 25 km deep · 57 km away
16. 2.032 km SW of Ferndale, CaliforniaTue, Dec 27, 7:21 PM PST · 17801 days ago · 24 km deep · 14 km away
17. 1.765 km W of Ferndale, CaliforniaTue, Dec 27, 6:25 PM PST · 17801 days ago · 7 km deep · 58 km away
18. 1.822 km SW of Ferndale, CaliforniaTue, Dec 27, 8:51 AM PST · 17801 days ago · 26 km deep · 12 km away
19. 1.822 km SSW of Ferndale, CaliforniaTue, Dec 27, 7:23 AM PST · 17801 days ago · 26 km deep · 3 km away
20. 3.328 km NNW of Shelter Cove, CaliforniaMon, Dec 26, 11:37 AM PST · 17802 days ago · 5 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1038548. Read Tue, Sep 22, 2026, 8:51 PM UTC.