M2.8 earthquake 40 km SW of Ferndale, California

Magnitude

2.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, May 6, 1988, 11:04 AM PDT

UTC

1988-05-06 18:04:42 UTC

Depth

20.1 km (12.5 mi), shallow

Epicenter

40.326° N, 124.614° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

231°, poorly surrounded by stations

Stations used

28

• Ferndale, CaliforniaPopulation 1,369. Forecast41 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast49 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast246 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast897 kmNW

After

1. 1.76 km NE of Hydesville, CaliforniaSat, May 7, 4:59 AM PDT · 14027 days ago · 22 km deep · 57 km away
2. 2.7107 km W of Ferndale, CaliforniaSat, May 7, 12:22 PM PDT · 14027 days ago · 23 km deep · 77 km away
3. 2.637 km SW of Ferndale, CaliforniaSun, May 8, 4:54 PM PDT · 14026 days ago · 21 km deep · 8 km away
4. 2.221 km SW of Ferndale, CaliforniaMon, May 9, 5:10 PM PDT · 14025 days ago · 17 km deep · 20 km away
5. 1.62 km WNW of Fortuna, CaliforniaWed, May 11, 6:23 AM PDT · 14023 days ago · 4 km deep · 48 km away
6. 1.817 km SSW of Ferndale, CaliforniaWed, May 11, 10:30 PM PDT · 14022 days ago · 15 km deep · 25 km away
7. 3.328 km NW of Shelter Cove, CaliforniaThu, May 12, 5:52 PM PDT · 14022 days ago · 8 km deep · 31 km away
8. 1.918 km SSW of Ferndale, CaliforniaFri, May 13, 4:00 PM PDT · 14021 days ago · 17 km deep · 23 km away
9. 3.616 km SW of Scotia, CaliforniaMon, May 16, 8:09 PM PDT · 14017 days ago · 20 km deep · 34 km away
10. 1.78 km NW of Ferndale, CaliforniaThu, May 19, 8:05 AM PDT · 14015 days ago · 12 km deep · 41 km away
11. 1.861 km W of Ferndale, CaliforniaThu, May 19, 11:06 AM PDT · 14015 days ago · 4 km deep · 48 km away
12. 2.379 km WSW of Ferndale, CaliforniaFri, May 20, 4:43 AM PDT · 14014 days ago · 2 km deep · 47 km away
13. 2.032 km WSW of Ferndale, CaliforniaFri, May 20, 2:20 PM PDT · 14014 days ago · 22 km deep · 15 km away
14. 2.121 km SSW of Ferndale, CaliforniaSat, May 21, 5:53 AM PDT · 14013 days ago · 17 km deep · 20 km away
15. 2.99 km S of Ferndale, CaliforniaSat, May 21, 5:43 PM PDT · 14013 days ago · 26 km deep · 35 km away
16. 1.623 km SW of Scotia, CaliforniaSun, May 29, 12:30 PM PDT · 14005 days ago · 4 km deep · 25 km away
17. 1.63 km NE of Ferndale, CaliforniaTue, May 31, 6:24 AM PDT · 14003 days ago · 5 km deep · 44 km away
18. 1.731 km SW of Ferndale, CaliforniaTue, May 31, 10:34 AM PDT · 14003 days ago · 18 km deep · 11 km away
19. 1.511 km SSW of Ferndale, CaliforniaWed, Jun 1, 2:13 PM PDT · 14002 days ago · 10 km deep · 31 km away
20. 2.012 km WNW of Fields Landing, CaliforniaSat, Jun 4, 1:55 PM PDT · 13999 days ago · 22 km deep · 55 km away
21. 1.930 km W of Indianola, CaliforniaSat, Jun 4, 5:48 PM PDT · 13999 days ago · 12 km deep · 42 km away
22. 1.926 km SW of Ferndale, CaliforniaSun, Jun 5, 1:44 AM PDT · 13998 days ago · 16 km deep · 16 km away
23. 3.437 km SW of Ferndale, CaliforniaSun, Jun 5, 7:31 AM PDT · 13998 days ago · 20 km deep · 8 km away
24. 2.117 km WSW of Ferndale, CaliforniaThu, Jun 9, 1:39 AM PDT · 13994 days ago · 25 km deep · 26 km away
25. 2.8near the coast of Northern CaliforniaMon, Jun 13, 10:31 AM PDT · 13990 days ago · 9 km deep · 39 km away
26. 2.386 km WSW of Ferndale, CaliforniaMon, Jun 13, 3:33 PM PDT · 13990 days ago · 6 km deep · 53 km away
27. 3.221 km SW of Scotia, CaliforniaTue, Jun 14, 7:15 AM PDT · 13989 days ago · 31 km deep · 29 km away
28. 3.846 km WSW of Ferndale, CaliforniaTue, Jun 14, 8:44 AM PDT · 13989 days ago · 16 km deep · 17 km away
29. 1.920 km WSW of Ferndale, CaliforniaTue, Jun 14, 10:23 AM PDT · 13989 days ago · 21 km deep · 21 km away
30. 1.824 km SSW of Ferndale, CaliforniaTue, Jun 14, 10:59 PM PDT · 13988 days ago · 12 km deep · 20 km away
31. 1.616 km SSW of Ferndale, CaliforniaThu, Jun 16, 3:23 AM PDT · 13987 days ago · 6 km deep · 26 km away
32. 2.516 km SSW of Ferndale, CaliforniaThu, Jun 16, 4:52 AM PDT · 13987 days ago · 19 km deep · 26 km away
33. 2.6125 km W of Ferndale, CaliforniaMon, Jun 20, 10:51 PM PDT · 13982 days ago · 23 km deep · 97 km away
34. 2.331 km SW of Ferndale, CaliforniaWed, Jun 22, 4:30 AM PDT · 13981 days ago · 18 km deep · 11 km away
35. 3.250 km W of Ferndale, CaliforniaWed, Jun 22, 12:58 PM PDT · 13981 days ago · 9 km deep · 41 km away
36. 2.483 km W of Ferndale, CaliforniaFri, Jun 24, 11:27 PM PDT · 13978 days ago · 4 km deep · 57 km away
37. 3.279 km W of Ferndale, CaliforniaSat, Jun 25, 1:30 PM PDT · 13978 days ago · 0 km deep · 57 km away
38. 1.923 km SSW of Ferndale, CaliforniaSat, Jun 25, 6:50 PM PDT · 13977 days ago · 18 km deep · 19 km away
39. 3.138 km SW of Ferndale, CaliforniaSun, Jun 26, 1:55 AM PDT · 13977 days ago · 20 km deep · 5 km away
40. 1.921 km SSW of Ferndale, CaliforniaSun, Jun 26, 11:10 PM PDT · 13976 days ago · 19 km deep · 21 km away
41. 3.846 km W of Ferndale, CaliforniaMon, Jun 27, 5:59 PM PDT · 13976 days ago · 3 km deep · 31 km away
42. 2.040 km W of Ferndale, CaliforniaMon, Jun 27, 7:44 PM PDT · 13975 days ago · 10 km deep · 30 km away
43. 2.513 km WSW of Redcrest, CaliforniaTue, Jun 28, 3:56 AM PDT · 13975 days ago · 29 km deep · 44 km away
44. 2.114 km WSW of Willow Creek, CaliforniaTue, Jun 28, 3:30 PM PDT · 13975 days ago · 27 km deep · 94 km away
45. 3.437 km WNW of Ferndale, CaliforniaFri, Jul 1, 12:51 PM PDT · 13972 days ago · 10 km deep · 36 km away
46. 1.969 km WSW of Ferndale, CaliforniaFri, Jul 1, 8:36 PM PDT · 13971 days ago · 42 km deep · 37 km away
47. 2.439 km SW of Ferndale, CaliforniaSat, Jul 2, 8:42 AM PDT · 13971 days ago · 22 km deep · 2 km away
48. 3.039 km SW of Ferndale, CaliforniaSun, Jul 3, 7:52 PM PDT · 13969 days ago · 21 km deep · 2 km away
49. 1.949 km WSW of Ferndale, CaliforniaTue, Jul 5, 2:46 AM PDT · 13968 days ago · 20 km deep · 19 km away

Before

1. 2.59 km W of Ferndale, CaliforniaWed, May 4, 5:55 AM PDT · 14030 days ago · 4 km deep · 35 km away
2. 1.836 km SSW of Ferndale, CaliforniaSun, May 1, 5:17 PM PDT · 14033 days ago · 8 km deep · 10 km away
3. 2.618 km WNW of Indianola, CaliforniaSat, Apr 30, 10:28 PM PDT · 14033 days ago · 19 km deep · 50 km away
4. 3.724 km SSW of Ferndale, CaliforniaSat, Apr 30, 4:51 PM PDT · 14034 days ago · 19 km deep · 18 km away
5. 2.118 km SW of Scotia, CaliforniaSat, Apr 30, 3:34 PM PDT · 14034 days ago · 23 km deep · 32 km away
6. 1.920 km SSW of Ferndale, CaliforniaFri, Apr 29, 6:35 PM PDT · 14034 days ago · 6 km deep · 26 km away
7. 2.669 km W of Trinidad, CaliforniaMon, Apr 25, 3:50 AM PDT · 14039 days ago · 16 km deep · 96 km away
8. 2.519 km SSW of Ferndale, CaliforniaSun, Apr 24, 11:46 PM PDT · 14039 days ago · 20 km deep · 22 km away
9. 3.285 km WSW of Ferndale, CaliforniaSun, Apr 24, 9:55 PM PDT · 14039 days ago · 1 km deep · 52 km away
10. 1.825 km SSW of Ferndale, CaliforniaSun, Apr 24, 9:50 AM PDT · 14040 days ago · 18 km deep · 19 km away
11. 1.817 km WNW of Ferndale, CaliforniaFri, Apr 22, 6:49 AM PDT · 14042 days ago · 14 km deep · 39 km away
12. 1.95 km SSE of Ferndale, CaliforniaThu, Apr 21, 11:23 PM PDT · 14042 days ago · 21 km deep · 39 km away
13. 1.6near the coast of Northern CaliforniaWed, Apr 20, 8:56 PM PDT · 14043 days ago · 25 km deep · 18 km away
14. 4.111 km S of Ferndale, CaliforniaTue, Apr 19, 1:44 AM PDT · 14045 days ago · 24 km deep · 33 km away
15. 2.777 km WSW of Ferndale, CaliforniaMon, Apr 18, 7:11 PM PDT · 14045 days ago · 2 km deep · 48 km away
16. 1.812 km WSW of Scotia, CaliforniaMon, Apr 18, 4:33 PM PDT · 14046 days ago · 5 km deep · 34 km away
17. 1.913 km WSW of Scotia, CaliforniaMon, Apr 18, 2:29 PM PDT · 14046 days ago · 6 km deep · 34 km away
18. 2.236 km WSW of Ferndale, CaliforniaMon, Apr 18, 11:06 AM PDT · 14046 days ago · 23 km deep · 16 km away
19. 2.216 km NE of Leggett, CaliforniaSun, Apr 17, 3:48 PM PDT · 14047 days ago · 2 km deep · 99 km away
20. 2.7125 km W of Ferndale, CaliforniaSun, Apr 17, 12:42 AM PDT · 14047 days ago · 5 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc10087321. Read Fri, Oct 2, 2026, 1:01 PM UTC.