M2.3 earthquake 15 km ENE of Hydesville, California

Magnitude

2.3 (md), micro

Local time

Wed, Jun 5, 1985, 10:12 AM PDT

UTC

1985-06-05 17:12:56 UTC

Depth

18.6 km (11.6 mi), shallow

Epicenter

40.581° N, 123.925° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

129°

Stations used

8

• Hydesville, CaliforniaPopulation 1,237. Forecast15 kmENE
• Fortuna, CaliforniaPopulation 12,000. Forecast20 kmE
• Chico, CaliforniaPopulation 121,345. Forecast201 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast882 kmNNW

After

1. 2.116 km WSW of Weott, CaliforniaThu, Jun 6, 5:50 AM PDT · 15083 days ago · 4 km deep · 37 km away
2. 3.014 km WSW of Hayfork, CaliforniaSat, Jun 8, 8:57 PM PDT · 15081 days ago · 33 km deep · 51 km away
3. 1.67 km W of Redcrest, CaliforniaMon, Jun 10, 12:13 AM PDT · 15079 days ago · 4 km deep · 21 km away
4. 2.2Northern CaliforniaTue, Jun 11, 3:02 PM PDT · 15078 days ago · 10 km deep · 59 km away
5. 2.05 km WNW of Samoa, CaliforniaWed, Jun 12, 9:20 AM PDT · 15077 days ago · 4 km deep · 39 km away
6. 1.620 km W of Hyampom, CaliforniaThu, Jun 13, 6:59 PM PDT · 15076 days ago · 4 km deep · 19 km away
7. 2.923 km SSW of Ferndale, CaliforniaWed, Jun 19, 11:15 AM PDT · 15070 days ago · 17 km deep · 45 km away
8. 3.328 km SW of Scotia, CaliforniaSun, Jun 23, 4:14 PM PDT · 15066 days ago · 10 km deep · 47 km away
9. 2.510 km NW of Fields Landing, CaliforniaTue, Jun 25, 6:03 PM PDT · 15064 days ago · 26 km deep · 40 km away
10. 2.92 km N of Burnt Ranch, CaliforniaWed, Jun 26, 10:51 AM PDT · 15063 days ago · 20 km deep · 47 km away
11. 1.726 km N of Willow Creek, CaliforniaWed, Jun 26, 8:07 PM PDT · 15063 days ago · 4 km deep · 71 km away
12. 2.114 km WNW of Ferndale, CaliforniaThu, Jun 27, 5:21 PM PDT · 15062 days ago · 15 km deep · 42 km away
13. 3.42 km NNW of Fields Landing, CaliforniaTue, Jul 2, 4:56 PM PDT · 15057 days ago · 7 km deep · 31 km away
14. 2.139 km WSW of Ferndale, CaliforniaWed, Jul 3, 2:07 AM PDT · 15056 days ago · 19 km deep · 66 km away
15. 2.031 km SW of Ferndale, CaliforniaWed, Jul 3, 10:25 PM PDT · 15056 days ago · 19 km deep · 55 km away
16. 1.67 km W of Loleta, CaliforniaThu, Jul 4, 12:55 AM PDT · 15055 days ago · 4 km deep · 33 km away
17. 2.43 km WNW of Fields Landing, CaliforniaThu, Jul 4, 9:07 AM PDT · 15055 days ago · 4 km deep · 33 km away
18. 1.65 km SSE of Ferndale, CaliforniaThu, Jul 4, 5:31 PM PDT · 15055 days ago · 18 km deep · 27 km away
19. 1.85 km SW of Ferndale, CaliforniaFri, Jul 5, 4:45 AM PDT · 15054 days ago · 13 km deep · 33 km away
20. 2.128 km SW of Ferndale, CaliforniaFri, Jul 5, 2:14 PM PDT · 15054 days ago · 17 km deep · 52 km away
21. 1.615 km WSW of Weott, CaliforniaFri, Jul 5, 9:00 PM PDT · 15054 days ago · 4 km deep · 39 km away
22. 2.319 km NNW of Shelter Cove, CaliforniaSat, Jul 6, 10:58 AM PDT · 15053 days ago · 4 km deep · 45 km away
23. 2.817 km WNW of Indianola, CaliforniaSat, Jul 6, 10:26 PM PDT · 15053 days ago · 6 km deep · 46 km away
24. 2.318 km NNW of Junction City, CaliforniaSun, Jul 7, 1:32 PM PDT · 15052 days ago · 32 km deep · 71 km away
25. 2.53 km N of Redway, CaliforniaMon, Jul 8, 1:05 AM PDT · 15051 days ago · 19 km deep · 49 km away
26. 1.619 km SW of Weott, CaliforniaMon, Jul 8, 10:02 AM PDT · 15051 days ago · 4 km deep · 44 km away
27. 1.8near the coast of Northern CaliforniaMon, Jul 8, 4:48 PM PDT · 15051 days ago · 17 km deep · 50 km away
28. 1.7near the coast of Northern CaliforniaTue, Jul 9, 1:26 AM PDT · 15050 days ago · 4 km deep · 51 km away
29. 2.810 km W of Scotia, CaliforniaWed, Jul 10, 12:52 PM PDT · 15049 days ago · 22 km deep · 29 km away
30. 2.210 km W of Scotia, CaliforniaWed, Jul 10, 2:26 PM PDT · 15049 days ago · 21 km deep · 29 km away
31. 2.07 km NNE of Hyampom, CaliforniaWed, Jul 10, 6:21 PM PDT · 15049 days ago · 4 km deep · 45 km away
32. 2.123 km SSW of Scotia, CaliforniaThu, Jul 11, 12:09 AM PDT · 15048 days ago · 11 km deep · 41 km away
33. 1.76 km ESE of Scotia, CaliforniaThu, Jul 11, 10:23 PM PDT · 15048 days ago · 4 km deep · 16 km away
34. 3.329 km W of Shelter Cove, CaliforniaSat, Jul 13, 11:36 AM PDT · 15046 days ago · 5 km deep · 71 km away
35. 2.436 km SW of Ferndale, CaliforniaSat, Jul 13, 1:25 PM PDT · 15046 days ago · 9 km deep · 59 km away
36. 3.09km N of Petrolia, CAThu, Jul 18, 9:47 AM PDT · 15041 days ago · 24 km deep · 36 km away
37. 1.715 km W of Weott, CaliforniaThu, Jul 18, 7:21 PM PDT · 15041 days ago · 11 km deep · 33 km away
38. 2.220 km W of Weott, CaliforniaSun, Jul 21, 12:17 AM PDT · 15038 days ago · 5 km deep · 38 km away
39. 2.112 km WSW of Weott, CaliforniaSun, Jul 21, 1:25 AM PDT · 15038 days ago · 0 km deep · 36 km away
40. 2.112 km NE of Redcrest, CaliforniaWed, Jul 24, 3:39 PM PDT · 15035 days ago · 6 km deep · 15 km away
41. 5.063 km WSW of Ferndale, CaliforniaFri, Jul 26, 4:49 PM PDT · 15033 days ago · 4 km deep · 90 km away
42. 1.825 km SSE of Ruth, CaliforniaSat, Jul 27, 11:18 AM PDT · 15032 days ago · 21 km deep · 85 km away
43. 2.325 km SSE of Ruth, CaliforniaSat, Jul 27, 1:47 PM PDT · 15032 days ago · 22 km deep · 85 km away
44. 2.627 km SSW of Ferndale, CaliforniaMon, Jul 29, 2:38 AM PDT · 15030 days ago · 15 km deep · 48 km away
45. 3.418 km W of Big Lagoon, CaliforniaMon, Jul 29, 8:52 PM PDT · 15030 days ago · -1 km deep · 73 km away
46. 2.820 km ENE of Hydesville, CaliforniaTue, Jul 30, 6:59 PM PDT · 15029 days ago · 21 km deep · 5 km away
47. 1.77 km ENE of Redcrest, CaliforniaWed, Jul 31, 6:58 PM PDT · 15028 days ago · 23 km deep · 18 km away
48. 2.56 km E of Hayfork, CaliforniaSun, Aug 4, 1:48 AM PDT · 15024 days ago · 28 km deep · 69 km away

Before

1. 2.012 km SW of Weott, CaliforniaMon, Jun 3, 6:19 PM PDT · 15086 days ago · 4 km deep · 37 km away
2. 2.152 km SW of Ferndale, CaliforniaSun, Jun 2, 6:25 AM PDT · 15087 days ago · 19 km deep · 77 km away
3. 2.628 km SW of Ferndale, CaliforniaSun, Jun 2, 4:01 AM PDT · 15087 days ago · 24 km deep · 54 km away
4. 2.7near the coast of Northern CaliforniaFri, May 31, 8:22 AM PDT · 15089 days ago · 4 km deep · 36 km away
5. 2.323 km NNE of Trinity Village, CaliforniaThu, May 30, 3:42 AM PDT · 15090 days ago · 31 km deep · 69 km away
6. 1.69 km SSE of Ferndale, CaliforniaWed, May 29, 10:38 PM PDT · 15091 days ago · 20 km deep · 26 km away
7. 2.021 km WNW of Indianola, CaliforniaWed, May 29, 9:05 AM PDT · 15091 days ago · 4 km deep · 50 km away
8. 2.14 km SW of Scotia, CaliforniaWed, May 29, 5:09 AM PDT · 15091 days ago · 25 km deep · 23 km away
9. 1.91 km SW of Burnt Ranch, CaliforniaSat, May 25, 7:16 AM PDT · 15095 days ago · 20 km deep · 44 km away
10. 1.610 km SSE of Blue Lake, CaliforniaSat, May 25, 3:13 AM PDT · 15095 days ago · 5 km deep · 24 km away
11. 2.08 km SSW of Scotia, CaliforniaFri, May 24, 6:44 AM PDT · 15096 days ago · -1 km deep · 26 km away
12. 2.519 km SSW of Scotia, CaliforniaWed, May 22, 12:35 AM PDT · 15098 days ago · 30 km deep · 37 km away
13. 2.913km SSE of Willow Creek, CATue, May 21, 9:27 AM PDT · 15099 days ago · 13 km deep · 41 km away
14. 3.911 km W of Indianola, CaliforniaSat, May 18, 5:05 AM PDT · 15102 days ago · 20 km deep · 39 km away
15. 2.630 km SW of Ferndale, CaliforniaWed, May 15, 7:25 PM PDT · 15105 days ago · 17 km deep · 54 km away
16. 2.410 km NNE of Shelter Cove, CaliforniaTue, May 14, 10:45 PM PDT · 15106 days ago · 20 km deep · 52 km away
17. 1.95 km NW of Shelter Cove, CaliforniaMon, May 13, 4:25 AM PDT · 15107 days ago · 16 km deep · 59 km away
18. 1.917 km W of Junction City, CaliforniaSun, May 12, 7:40 AM PDT · 15108 days ago · 2 km deep · 58 km away
19. 3.119 km SW of Ferndale, CaliforniaSat, May 11, 9:11 AM PDT · 15109 days ago · 25 km deep · 44 km away
20. 2.326 km W of Samoa, CaliforniaFri, May 10, 11:25 AM PDT · 15110 days ago · 18 km deep · 58 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc49711. Read Tue, Sep 22, 2026, 5:16 PM UTC.