M2.1 earthquake 14 km WNW of Ferndale, California

Magnitude

2.1 (md), micro

Local time

Thu, Jun 27, 1985, 5:21 PM PDT

UTC

1985-06-28 00:21:00 UTC

Depth

15.4 km (9.6 mi), shallow

Epicenter

40.621° N, 124.419° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.6 km horizontally, 2.1 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

280°, poorly surrounded by stations

Stations used

5

• Ferndale, CaliforniaPopulation 1,369. Forecast14 kmWNW
• Fortuna, CaliforniaPopulation 12,000. Forecast22 kmW
• Chico, CaliforniaPopulation 121,345. Forecast241 kmWNW

After

1. 2.585 km WSW of Ferndale, CaliforniaSun, Jun 30, 1:10 AM PDT · 15067 days ago · 5 km deep · 75 km away
2. 3.42 km NNW of Fields Landing, CaliforniaTue, Jul 2, 4:56 PM PDT · 15065 days ago · 7 km deep · 21 km away
3. 2.139 km WSW of Ferndale, CaliforniaWed, Jul 3, 2:07 AM PDT · 15064 days ago · 19 km deep · 31 km away
4. 2.031 km SW of Ferndale, CaliforniaWed, Jul 3, 10:25 PM PDT · 15064 days ago · 19 km deep · 29 km away
5. 1.67 km W of Loleta, CaliforniaThu, Jul 4, 12:55 AM PDT · 15063 days ago · 4 km deep · 9 km away
6. 2.43 km WNW of Fields Landing, CaliforniaThu, Jul 4, 9:07 AM PDT · 15063 days ago · 4 km deep · 19 km away
7. 1.65 km SSE of Ferndale, CaliforniaThu, Jul 4, 5:31 PM PDT · 15063 days ago · 18 km deep · 19 km away
8. 1.85 km SW of Ferndale, CaliforniaFri, Jul 5, 4:45 AM PDT · 15062 days ago · 13 km deep · 13 km away
9. 2.128 km SW of Ferndale, CaliforniaFri, Jul 5, 2:14 PM PDT · 15062 days ago · 17 km deep · 27 km away
10. 1.615 km WSW of Weott, CaliforniaFri, Jul 5, 9:00 PM PDT · 15062 days ago · 4 km deep · 50 km away
11. 2.319 km NNW of Shelter Cove, CaliforniaSat, Jul 6, 10:58 AM PDT · 15061 days ago · 4 km deep · 53 km away
12. 2.817 km WNW of Indianola, CaliforniaSat, Jul 6, 10:26 PM PDT · 15061 days ago · 6 km deep · 13 km away
13. 2.53 km N of Redway, CaliforniaMon, Jul 8, 1:05 AM PDT · 15059 days ago · 19 km deep · 73 km away
14. 1.619 km SW of Weott, CaliforniaMon, Jul 8, 10:02 AM PDT · 15059 days ago · 4 km deep · 54 km away
15. 1.8near the coast of Northern CaliforniaMon, Jul 8, 4:48 PM PDT · 15059 days ago · 17 km deep · 27 km away
16. 1.7near the coast of Northern CaliforniaTue, Jul 9, 1:26 AM PDT · 15058 days ago · 4 km deep · 31 km away
17. 2.810 km W of Scotia, CaliforniaWed, Jul 10, 12:52 PM PDT · 15057 days ago · 22 km deep · 24 km away
18. 2.210 km W of Scotia, CaliforniaWed, Jul 10, 2:26 PM PDT · 15057 days ago · 21 km deep · 24 km away
19. 2.07 km NNE of Hyampom, CaliforniaWed, Jul 10, 6:21 PM PDT · 15057 days ago · 4 km deep · 85 km away
20. 2.123 km SSW of Scotia, CaliforniaThu, Jul 11, 12:09 AM PDT · 15056 days ago · 11 km deep · 38 km away
21. 1.76 km ESE of Scotia, CaliforniaThu, Jul 11, 10:23 PM PDT · 15056 days ago · 4 km deep · 37 km away
22. 3.329 km W of Shelter Cove, CaliforniaSat, Jul 13, 11:36 AM PDT · 15054 days ago · 5 km deep · 62 km away
23. 2.436 km SW of Ferndale, CaliforniaSat, Jul 13, 1:25 PM PDT · 15054 days ago · 9 km deep · 35 km away
24. 3.685 km W of Ferndale, CaliforniaTue, Jul 16, 2:56 PM PDT · 15051 days ago · 11 km deep · 74 km away
25. 3.09km N of Petrolia, CAThu, Jul 18, 9:47 AM PDT · 15049 days ago · 24 km deep · 27 km away
26. 1.715 km W of Weott, CaliforniaThu, Jul 18, 7:21 PM PDT · 15049 days ago · 11 km deep · 43 km away
27. 2.220 km W of Weott, CaliforniaSun, Jul 21, 12:17 AM PDT · 15046 days ago · 5 km deep · 43 km away
28. 2.112 km WSW of Weott, CaliforniaSun, Jul 21, 1:25 AM PDT · 15046 days ago · 0 km deep · 50 km away
29. 4.389 km WNW of Samoa, CaliforniaTue, Jul 23, 11:04 AM PDT · 15044 days ago · 5 km deep · 80 km away
30. 2.112 km NE of Redcrest, CaliforniaWed, Jul 24, 3:39 PM PDT · 15043 days ago · 6 km deep · 52 km away
31. 5.063 km WSW of Ferndale, CaliforniaFri, Jul 26, 4:49 PM PDT · 15041 days ago · 4 km deep · 54 km away
32. 2.627 km SSW of Ferndale, CaliforniaMon, Jul 29, 2:38 AM PDT · 15038 days ago · 15 km deep · 29 km away
33. 3.418 km W of Big Lagoon, CaliforniaMon, Jul 29, 8:52 PM PDT · 15038 days ago · -1 km deep · 59 km away
34. 4.281 km WSW of Ferndale, CaliforniaTue, Jul 30, 3:57 AM PDT · 15037 days ago · 4 km deep · 70 km away
35. 2.680 km WSW of Ferndale, CaliforniaTue, Jul 30, 4:24 AM PDT · 15037 days ago · 4 km deep · 70 km away
36. 2.820 km ENE of Hydesville, CaliforniaTue, Jul 30, 6:59 PM PDT · 15037 days ago · 21 km deep · 46 km away
37. 1.77 km ENE of Redcrest, CaliforniaWed, Jul 31, 6:58 PM PDT · 15036 days ago · 23 km deep · 52 km away
38. 2.779 km W of Ferndale, CaliforniaThu, Aug 8, 12:58 AM PDT · 15028 days ago · 3 km deep · 68 km away
39. 1.69 km SW of Alderpoint, CaliforniaFri, Aug 9, 5:27 PM PDT · 15027 days ago · 22 km deep · 85 km away
40. 1.923 km SW of Scotia, CaliforniaWed, Aug 14, 4:53 PM PDT · 15022 days ago · 8 km deep · 30 km away
41. 2.126 km SW of Scotia, CaliforniaSat, Aug 17, 5:27 PM PDT · 15019 days ago · 10 km deep · 32 km away
42. 2.146 km W of Ferndale, CaliforniaTue, Aug 20, 10:14 PM PDT · 15016 days ago · 21 km deep · 35 km away
43. 1.935 km SW of Ferndale, CaliforniaWed, Aug 21, 6:02 AM PDT · 15015 days ago · 12 km deep · 34 km away
44. 2.336 km SW of Ferndale, CaliforniaSat, Aug 24, 1:54 AM PDT · 15012 days ago · 20 km deep · 36 km away
45. 2.111 km WNW of Hyampom, CaliforniaSun, Aug 25, 9:59 AM PDT · 15011 days ago · 20 km deep · 71 km away
46. 2.028 km SSW of Ferndale, CaliforniaMon, Aug 26, 1:08 PM PDT · 15010 days ago · 13 km deep · 30 km away

Before

1. 1.726 km N of Willow Creek, CaliforniaWed, Jun 26, 8:07 PM PDT · 15071 days ago · 4 km deep · 91 km away
2. 2.92 km N of Burnt Ranch, CaliforniaWed, Jun 26, 10:51 AM PDT · 15071 days ago · 20 km deep · 83 km away
3. 2.510 km NW of Fields Landing, CaliforniaTue, Jun 25, 6:03 PM PDT · 15072 days ago · 26 km deep · 20 km away
4. 3.328 km SW of Scotia, CaliforniaSun, Jun 23, 4:14 PM PDT · 15074 days ago · 10 km deep · 36 km away
5. 2.923 km SSW of Ferndale, CaliforniaWed, Jun 19, 11:15 AM PDT · 15078 days ago · 17 km deep · 27 km away
6. 1.620 km W of Hyampom, CaliforniaThu, Jun 13, 6:59 PM PDT · 15084 days ago · 4 km deep · 61 km away
7. 2.05 km WNW of Samoa, CaliforniaWed, Jun 12, 9:20 AM PDT · 15085 days ago · 4 km deep · 28 km away
8. 2.2Northern CaliforniaTue, Jun 11, 3:02 PM PDT · 15086 days ago · 10 km deep · 87 km away
9. 1.67 km W of Redcrest, CaliforniaMon, Jun 10, 12:13 AM PDT · 15087 days ago · 4 km deep · 40 km away
10. 3.014 km WSW of Hayfork, CaliforniaSat, Jun 8, 8:57 PM PDT · 15089 days ago · 33 km deep · 93 km away
11. 2.116 km WSW of Weott, CaliforniaThu, Jun 6, 5:50 AM PDT · 15091 days ago · 4 km deep · 46 km away
12. 2.315 km ENE of Hydesville, CaliforniaWed, Jun 5, 10:12 AM PDT · 15092 days ago · 19 km deep · 42 km away
13. 2.012 km SW of Weott, CaliforniaMon, Jun 3, 6:19 PM PDT · 15094 days ago · 4 km deep · 52 km away
14. 2.152 km SW of Ferndale, CaliforniaSun, Jun 2, 6:25 AM PDT · 15095 days ago · 19 km deep · 47 km away
15. 2.628 km SW of Ferndale, CaliforniaSun, Jun 2, 4:01 AM PDT · 15095 days ago · 24 km deep · 25 km away
16. 2.7near the coast of Northern CaliforniaFri, May 31, 8:22 AM PDT · 15097 days ago · 4 km deep · 52 km away
17. 2.323 km NNE of Trinity Village, CaliforniaThu, May 30, 3:42 AM PDT · 15098 days ago · 31 km deep · 98 km away
18. 1.69 km SSE of Ferndale, CaliforniaWed, May 29, 10:38 PM PDT · 15099 days ago · 20 km deep · 22 km away
19. 2.021 km WNW of Indianola, CaliforniaWed, May 29, 9:05 AM PDT · 15099 days ago · 4 km deep · 17 km away
20. 2.14 km SW of Scotia, CaliforniaWed, May 29, 5:09 AM PDT · 15099 days ago · 25 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc50765. Read Wed, Sep 30, 2026, 5:48 PM UTC.