M3.3 earthquake 99 km W of Ferndale, California

Magnitude

3.3 (md), minor

Local time

Mon, Jul 19, 1982, 11:27 PM PDT

UTC

1982-07-20 06:27:43 UTC

Depth

8.3 km (5.2 mi), shallow

Epicenter

40.471° N, 125.434° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 7.7 km horizontally, 10.8 km in depth

Depth from

From location

Station coverage gap

316°, poorly surrounded by stations

Stations used

14

• Ferndale, CaliforniaPopulation 1,369. Forecast100 kmW
• Fortuna, CaliforniaPopulation 12,000. Forecast109 kmW
• Chico, CaliforniaPopulation 121,345. Forecast317 kmWNW

After

1. 2.114 km S of Ferndale, CaliforniaTue, Jul 20, 3:15 PM PDT · 16135 days ago · 21 km deep · 99 km away
2. 2.362 km W of Big Lagoon, CaliforniaWed, Jul 21, 4:08 AM PDT · 16134 days ago · 5 km deep · 90 km away
3. 2.7115 km W of Ferndale, CaliforniaSat, Jul 24, 7:43 PM PDT · 16131 days ago · 5 km deep · 16 km away
4. 2.824 km SSW of Ferndale, CaliforniaSat, Jul 24, 9:53 PM PDT · 16131 days ago · 19 km deep · 87 km away
5. 3.5140 km W of Ferndale, CaliforniaSun, Jul 25, 1:56 AM PDT · 16131 days ago · 12 km deep · 41 km away
6. 1.543 km SW of Ferndale, CaliforniaSun, Jul 25, 7:56 AM PDT · 16130 days ago · 21 km deep · 68 km away
7. 2.633 km SW of Scotia, CaliforniaSun, Jul 25, 9:42 AM PDT · 16130 days ago · 8 km deep · 90 km away
8. 2.213 km WNW of Ferndale, CaliforniaSun, Jul 25, 11:38 AM PDT · 16130 days ago · 8 km deep · 88 km away
9. 2.832 km SW of Ferndale, CaliforniaMon, Jul 26, 1:54 AM PDT · 16130 days ago · 24 km deep · 79 km away
10. 2.982 km W of Ferndale, CaliforniaMon, Jul 26, 3:42 PM PDT · 16129 days ago · 6 km deep · 31 km away
11. 2.325 km SW of Ferndale, CaliforniaTue, Jul 27, 3:52 AM PDT · 16128 days ago · 27 km deep · 79 km away
12. 3.321 km SW of Ferndale, CaliforniaWed, Jul 28, 10:06 AM PDT · 16127 days ago · 17 km deep · 85 km away
13. 1.622 km SW of Ferndale, CaliforniaWed, Jul 28, 1:58 PM PDT · 16127 days ago · 14 km deep · 85 km away
14. 3.546 km WSW of Ferndale, CaliforniaWed, Jul 28, 4:15 PM PDT · 16127 days ago · 27 km deep · 59 km away
15. 2.070 km WNW of Indianola, CaliforniaWed, Jul 28, 5:13 PM PDT · 16127 days ago · 4 km deep · 58 km away
16. 3.628 km SW of Ferndale, CaliforniaFri, Jul 30, 12:42 AM PDT · 16126 days ago · 20 km deep · 76 km away
17. 1.735 km SW of Scotia, CaliforniaFri, Jul 30, 2:46 PM PDT · 16125 days ago · 29 km deep · 89 km away
18. 2.444 km W of Trinidad, CaliforniaFri, Jul 30, 8:24 PM PDT · 16125 days ago · 0 km deep · 90 km away
19. 2.816 km WNW of Indianola, CaliforniaFri, Jul 30, 8:25 PM PDT · 16125 days ago · 0 km deep · 91 km away
20. 2.470 km WSW of Ferndale, CaliforniaSat, Jul 31, 3:43 PM PDT · 16124 days ago · 4 km deep · 30 km away
21. 2.383 km WSW of Ferndale, CaliforniaSat, Jul 31, 5:14 PM PDT · 16124 days ago · 4 km deep · 20 km away
22. 2.6114 km W of Ferndale, CaliforniaSun, Aug 1, 4:03 AM PDT · 16123 days ago · 5 km deep · 25 km away
23. 2.140 km SW of Ferndale, CaliforniaSun, Aug 1, 8:40 AM PDT · 16123 days ago · 23 km deep · 73 km away
24. 1.743 km SW of Ferndale, CaliforniaSun, Aug 1, 2:03 PM PDT · 16123 days ago · 18 km deep · 70 km away
25. 1.926 km WNW of Ferndale, CaliforniaTue, Aug 3, 8:18 PM PDT · 16121 days ago · 23 km deep · 79 km away
26. 1.625 km SSW of Ferndale, CaliforniaMon, Aug 9, 7:43 PM PDT · 16115 days ago · 19 km deep · 90 km away
27. 2.7136 km W of Ferndale, CaliforniaTue, Aug 10, 6:36 AM PDT · 16114 days ago · 5 km deep · 37 km away
28. 3.1130 km WNW of Indianola, CaliforniaTue, Aug 10, 6:39 AM PDT · 16114 days ago · 5 km deep · 64 km away
29. 2.430 km SW of Scotia, CaliforniaThu, Aug 12, 5:37 PM PDT · 16112 days ago · 23 km deep · 93 km away
30. 1.9118 km W of Ferndale, CaliforniaSat, Aug 14, 2:23 AM PDT · 16111 days ago · 5 km deep · 20 km away
31. 1.719 km WSW of Scotia, CaliforniaSun, Aug 15, 4:25 AM PDT · 16109 days ago · 29 km deep · 96 km away
32. 1.914 km WNW of Ferndale, CaliforniaMon, Aug 16, 3:21 AM PDT · 16108 days ago · 9 km deep · 87 km away
33. 1.731 km SW of Scotia, CaliforniaTue, Aug 17, 6:05 AM PDT · 16107 days ago · 22 km deep · 92 km away
34. 3.048 km W of Ferndale, CaliforniaTue, Aug 17, 7:10 AM PDT · 16107 days ago · 19 km deep · 52 km away
35. 3.126 km SW of Scotia, CaliforniaTue, Aug 17, 12:27 PM PDT · 16107 days ago · 8 km deep · 100 km away
36. 2.788 km W of Ferndale, CaliforniaWed, Aug 18, 8:42 AM PDT · 16106 days ago · 8 km deep · 12 km away
37. 2.314 km WNW of Fields Landing, CaliforniaWed, Aug 18, 3:40 PM PDT · 16106 days ago · 23 km deep · 94 km away
38. 2.226 km SW of Ferndale, CaliforniaThu, Aug 19, 1:54 AM PDT · 16106 days ago · 18 km deep · 85 km away
39. 3.138 km SW of Ferndale, CaliforniaThu, Aug 19, 2:24 AM PDT · 16106 days ago · 25 km deep · 77 km away
40. 2.037 km SW of Ferndale, CaliforniaThu, Aug 19, 11:08 AM PDT · 16105 days ago · 22 km deep · 79 km away
41. 1.742 km SW of Ferndale, CaliforniaFri, Aug 20, 12:54 PM PDT · 16104 days ago · 25 km deep · 77 km away
42. 2.133 km WSW of Ferndale, CaliforniaSat, Aug 21, 7:59 AM PDT · 16103 days ago · 21 km deep · 67 km away
43. 2.128 km WSW of Ferndale, CaliforniaSat, Aug 21, 9:27 AM PDT · 16103 days ago · 21 km deep · 72 km away
44. 2.637 km SW of Ferndale, CaliforniaSun, Aug 22, 12:05 AM PDT · 16103 days ago · 23 km deep · 79 km away
45. 1.938 km SW of Ferndale, CaliforniaSun, Aug 22, 12:08 AM PDT · 16103 days ago · 26 km deep · 75 km away
46. 1.912 km W of Indianola, CaliforniaSun, Aug 22, 2:17 PM PDT · 16102 days ago · 7 km deep · 91 km away
47. 1.712 km W of Indianola, CaliforniaSun, Aug 22, 2:20 PM PDT · 16102 days ago · 7 km deep · 92 km away
48. 2.413 km W of Indianola, CaliforniaSun, Aug 22, 2:20 PM PDT · 16102 days ago · 6 km deep · 90 km away
49. 2.513 km W of Indianola, CaliforniaSun, Aug 22, 2:27 PM PDT · 16102 days ago · 7 km deep · 90 km away
50. 1.913 km W of Indianola, CaliforniaSun, Aug 22, 2:34 PM PDT · 16102 days ago · 7 km deep · 90 km away
51. 1.713 km W of Indianola, CaliforniaSun, Aug 22, 2:37 PM PDT · 16102 days ago · 8 km deep · 91 km away
52. 1.69 km WSW of Indianola, CaliforniaSun, Aug 22, 5:41 PM PDT · 16102 days ago · 14 km deep · 95 km away
53. 1.820 km SW of Ferndale, CaliforniaTue, Aug 24, 2:05 PM PDT · 16100 days ago · 25 km deep · 86 km away
54. 1.519 km SW of Ferndale, CaliforniaTue, Aug 24, 10:10 PM PDT · 16100 days ago · 21 km deep · 88 km away
55. 2.7131 km W of Big Lagoon, CaliforniaWed, Aug 25, 7:16 PM PDT · 16099 days ago · 3 km deep · 98 km away
56. 1.525 km SW of Scotia, CaliforniaThu, Aug 26, 2:07 AM PDT · 16099 days ago · 22 km deep · 94 km away
57. 1.718 km WSW of Ferndale, CaliforniaFri, Aug 27, 9:00 AM PDT · 16097 days ago · 23 km deep · 82 km away
58. 1.730 km SSW of Ferndale, CaliforniaFri, Aug 27, 4:38 PM PDT · 16097 days ago · 28 km deep · 86 km away
59. 2.535 km SW of Ferndale, CaliforniaSat, Aug 28, 3:35 AM PDT · 16096 days ago · 17 km deep · 75 km away
60. 1.527 km WSW of Ferndale, CaliforniaSat, Aug 28, 7:11 PM PDT · 16096 days ago · 30 km deep · 75 km away

The first 60 of 97.

Before

1. 2.929 km SSW of Ferndale, CaliforniaSun, Jul 18, 9:06 PM PDT · 16137 days ago · 26 km deep · 84 km away
2. 2.836 km SW of Ferndale, CaliforniaSun, Jul 18, 6:53 PM PDT · 16137 days ago · 23 km deep · 81 km away
3. 1.830 km SW of Scotia, CaliforniaSat, Jul 17, 10:19 AM PDT · 16138 days ago · 8 km deep · 96 km away
4. 3.228 km WNW of Indianola, CaliforniaSat, Jul 17, 6:13 AM PDT · 16138 days ago · 24 km deep · 83 km away
5. 2.575 km WSW of Ferndale, CaliforniaFri, Jul 16, 5:55 AM PDT · 16139 days ago · 4 km deep · 29 km away
6. 2.831 km SSW of Ferndale, CaliforniaThu, Jul 15, 7:53 PM PDT · 16140 days ago · 26 km deep · 87 km away
7. 2.645 km W of Indianola, CaliforniaThu, Jul 15, 12:59 PM PDT · 16140 days ago · 29 km deep · 62 km away
8. 1.534 km SW of Scotia, CaliforniaThu, Jul 15, 2:11 AM PDT · 16141 days ago · 20 km deep · 89 km away
9. 1.627 km WSW of Ferndale, CaliforniaWed, Jul 14, 5:18 PM PDT · 16141 days ago · 17 km deep · 75 km away
10. 1.611 km S of Ferndale, CaliforniaTue, Jul 13, 2:05 AM PDT · 16143 days ago · 24 km deep · 99 km away
11. 1.58 km NW of Ferndale, CaliforniaSat, Jul 10, 11:15 PM PDT · 16145 days ago · 19 km deep · 96 km away
12. 2.736 km SW of Ferndale, CaliforniaSat, Jul 10, 10:49 AM PDT · 16145 days ago · 26 km deep · 80 km away
13. 3.3166 km W of Ferndale, CaliforniaSat, Jul 10, 7:33 AM PDT · 16145 days ago · 4 km deep · 68 km away
14. 2.3near the coast of Northern CaliforniaThu, Jul 8, 7:05 PM PDT · 16147 days ago · 21 km deep · 70 km away
15. 2.491 km W of Trinidad, CaliforniaWed, Jul 7, 10:03 PM PDT · 16148 days ago · 5 km deep · 70 km away
16. 2.231 km SW of Ferndale, CaliforniaWed, Jul 7, 4:25 PM PDT · 16148 days ago · 27 km deep · 75 km away
17. 2.136 km SW of Ferndale, CaliforniaTue, Jul 6, 11:05 PM PDT · 16149 days ago · 22 km deep · 79 km away
18. 2.736 km WNW of Samoa, CaliforniaTue, Jul 6, 5:59 PM PDT · 16149 days ago · 20 km deep · 91 km away
19. 1.930 km SW of Ferndale, CaliforniaTue, Jul 6, 2:55 PM PDT · 16149 days ago · 26 km deep · 74 km away
20. 2.7143 km W of Ferndale, CaliforniaTue, Jul 6, 7:08 AM PDT · 16149 days ago · 5 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1076404. Read Tue, Sep 22, 2026, 9:18 PM UTC.