M3.8 earthquake 32 km W of Big Lagoon, California

Magnitude

3.8 (ML, local (Richter)), minor

Magnitude from

Northern California Seismic System

Local time

Sat, Apr 17, 1982, 3:36 PM PST

UTC

1982-04-17 23:36:40 UTC

Depth

39.7 km (24.6 mi), shallow

Epicenter

41.160° N, 124.524° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 8.8 km horizontally, 9.2 km in depth

Depth from

From location

Station coverage gap

295°, poorly surrounded by stations

Stations used

9

• Westhaven-Moonstone, CaliforniaPopulation 1,205. Forecast38 kmWNW
• McKinleyville, CaliforniaPopulation 15,177. Forecast43 kmNW
• Chico, CaliforniaPopulation 121,345. Forecast278 kmNW

After

1. 1.63 km SSW of Scotia, CaliforniaSun, Apr 18, 5:49 AM PST · 16241 days ago · 26 km deep · 86 km away
2. 1.830 km SW of Scotia, CaliforniaTue, Apr 20, 9:37 AM PST · 16238 days ago · 19 km deep · 99 km away
3. 2.418 km W of Trinidad, CaliforniaWed, Apr 21, 4:40 PM PST · 16237 days ago · 21 km deep · 18 km away
4. 2.22 km NW of McKinleyville, CaliforniaThu, Apr 22, 7:46 AM PST · 16237 days ago · 1 km deep · 41 km away
5. 2.070 km WSW of Ferndale, CaliforniaFri, Apr 23, 3:24 AM PST · 16236 days ago · 4 km deep · 97 km away
6. 2.923 km WSW of Ferndale, CaliforniaSat, Apr 24, 12:34 AM PST · 16235 days ago · 25 km deep · 77 km away
7. 1.628 km WSW of Ferndale, CaliforniaSat, Apr 24, 12:53 AM PST · 16235 days ago · 18 km deep · 76 km away
8. 2.524 km WSW of Ferndale, CaliforniaSat, Apr 24, 3:06 PM PST · 16234 days ago · 25 km deep · 77 km away
9. 2.914 km WSW of Scotia, CaliforniaSun, Apr 25, 10:34 PM PDT · 16233 days ago · 21 km deep · 82 km away
10. 2.131 km SW of Ferndale, CaliforniaWed, Apr 28, 11:10 PM PDT · 16230 days ago · 18 km deep · 85 km away
11. 2.573 km WSW of Ferndale, CaliforniaThu, Apr 29, 12:35 PM PDT · 16229 days ago · 52 km deep · 96 km away
12. 1.742 km W of Ferndale, CaliforniaFri, Apr 30, 11:02 AM PDT · 16228 days ago · 16 km deep · 71 km away
13. 1.99 km NE of Willow Creek, CaliforniaFri, Apr 30, 12:12 PM PDT · 16228 days ago · 4 km deep · 82 km away
14. 1.921 km NE of Willow Creek, CaliforniaFri, Apr 30, 12:20 PM PDT · 16228 days ago · 33 km deep · 89 km away
15. 2.837 km SW of Ferndale, CaliforniaSat, May 1, 9:08 PM PDT · 16227 days ago · 24 km deep · 95 km away
16. 2.936 km SW of Ferndale, CaliforniaSat, May 1, 9:08 PM PDT · 16227 days ago · 22 km deep · 95 km away
17. 2.810 km ESE of Pine Hills, CaliforniaSun, May 2, 8:08 AM PDT · 16227 days ago · 22 km deep · 66 km away
18. 2.822 km SW of Ferndale, CaliforniaSun, May 2, 6:34 PM PDT · 16226 days ago · 19 km deep · 78 km away
19. 1.622 km SW of Ferndale, CaliforniaSun, May 2, 6:43 PM PDT · 16226 days ago · 23 km deep · 80 km away
20. 1.826 km WSW of Ferndale, CaliforniaSun, May 2, 7:14 PM PDT · 16226 days ago · 19 km deep · 79 km away
21. 1.9Northern CaliforniaSun, May 2, 10:10 PM PDT · 16226 days ago · 23 km deep · 64 km away
22. 3.147 km WSW of Ferndale, CaliforniaTue, May 4, 2:36 AM PDT · 16225 days ago · 13 km deep · 92 km away
23. 3.015 km S of Ferndale, CaliforniaTue, May 4, 1:11 PM PDT · 16224 days ago · 20 km deep · 83 km away
24. 1.739 km SW of Ferndale, CaliforniaWed, May 5, 10:59 PM PDT · 16223 days ago · 19 km deep · 96 km away
25. 2.411 km W of Indianola, CaliforniaThu, May 6, 12:25 PM PDT · 16222 days ago · 9 km deep · 53 km away
26. 2.150 km W of Ferndale, CaliforniaSat, May 8, 8:32 AM PDT · 16221 days ago · 4 km deep · 68 km away
27. 2.615 km S of Ferndale, CaliforniaSat, May 8, 10:31 AM PDT · 16220 days ago · 20 km deep · 83 km away
28. 1.824 km W of Samoa, CaliforniaSat, May 8, 1:27 PM PDT · 16220 days ago · 19 km deep · 37 km away
29. 2.544 km SW of Ferndale, CaliforniaSat, May 8, 1:31 PM PDT · 16220 days ago · 19 km deep · 93 km away
30. 1.917 km E of Hydesville, CaliforniaSat, May 8, 5:25 PM PDT · 16220 days ago · 23 km deep · 85 km away
31. 1.837 km SW of Ferndale, CaliforniaSun, May 9, 9:15 AM PDT · 16220 days ago · 21 km deep · 89 km away
32. 1.94 km SW of Redcrest, CaliforniaSun, May 9, 4:32 PM PDT · 16219 days ago · 27 km deep · 99 km away
33. 2.333 km SW of Ferndale, CaliforniaMon, May 10, 12:37 AM PDT · 16219 days ago · 25 km deep · 87 km away
34. 1.722 km W of Ferndale, CaliforniaMon, May 10, 2:19 PM PDT · 16218 days ago · 20 km deep · 61 km away
35. 2.535 km SSW of Ferndale, CaliforniaMon, May 10, 6:34 PM PDT · 16218 days ago · 20 km deep · 95 km away
36. 1.821 km WSW of Ferndale, CaliforniaTue, May 11, 11:43 AM PDT · 16217 days ago · 28 km deep · 74 km away
37. 2.68 km SW of Burnt Ranch, CaliforniaWed, May 12, 10:31 PM PDT · 16216 days ago · 21 km deep · 95 km away
38. 1.88 km SSW of Burnt Ranch, CaliforniaThu, May 13, 8:01 AM PDT · 16216 days ago · 21 km deep · 96 km away
39. 2.619 km SSW of Ferndale, CaliforniaThu, May 13, 9:13 AM PDT · 16216 days ago · 27 km deep · 84 km away
40. 2.420 km SSW of Ferndale, CaliforniaThu, May 13, 9:31 AM PDT · 16215 days ago · 27 km deep · 85 km away
41. 2.416 km SW of Ferndale, CaliforniaFri, May 14, 1:30 AM PDT · 16215 days ago · 21 km deep · 76 km away
42. 1.73 km WNW of Fields Landing, CaliforniaFri, May 14, 2:36 AM PDT · 16215 days ago · 0 km deep · 52 km away
43. 2.118 km SW of Ferndale, CaliforniaFri, May 14, 9:17 AM PDT · 16215 days ago · 22 km deep · 78 km away
44. 1.50 km NNW of Manila, CaliforniaSat, May 15, 4:13 AM PDT · 16214 days ago · 24 km deep · 45 km away
45. 3.112 km SSW of Willow Creek, CaliforniaSat, May 15, 8:23 PM PDT · 16213 days ago · 26 km deep · 79 km away
46. 1.959 km W of Trinidad, CaliforniaSun, May 16, 6:51 AM PDT · 16213 days ago · 6 km deep · 31 km away
47. 1.632 km SW of Ferndale, CaliforniaMon, May 17, 11:42 PM PDT · 16211 days ago · 16 km deep · 87 km away
48. 2.320 km SW of Ferndale, CaliforniaTue, May 18, 1:02 PM PDT · 16210 days ago · 21 km deep · 82 km away
49. 2.369 km W of Ferndale, CaliforniaWed, May 19, 2:23 AM PDT · 16210 days ago · 4 km deep · 87 km away
50. 1.736 km SW of Ferndale, CaliforniaWed, May 19, 10:50 AM PDT · 16209 days ago · 28 km deep · 92 km away
51. 1.941 km SW of Ferndale, CaliforniaWed, May 19, 9:03 PM PDT · 16209 days ago · 19 km deep · 96 km away
52. 2.3near the coast of Northern CaliforniaThu, May 20, 4:18 AM PDT · 16209 days ago · 24 km deep · 96 km away
53. 2.126 km WSW of Ferndale, CaliforniaThu, May 20, 4:28 PM PDT · 16208 days ago · 23 km deep · 79 km away
54. 1.633 km SW of Ferndale, CaliforniaFri, May 21, 3:53 PM PDT · 16207 days ago · 18 km deep · 89 km away
55. 3.310 km WSW of Ferndale, CaliforniaThu, May 27, 4:30 PM PDT · 16201 days ago · 22 km deep · 72 km away
56. 2.18 km WSW of Rio Dell, CaliforniaThu, May 27, 6:59 PM PDT · 16201 days ago · 19 km deep · 80 km away
57. 1.624 km SW of Ferndale, CaliforniaSun, May 30, 4:44 AM PDT · 16199 days ago · 24 km deep · 80 km away
58. 2.26 km SW of Scotia, CaliforniaSun, May 30, 6:08 PM PDT · 16198 days ago · 27 km deep · 87 km away
59. 2.228 km WSW of Ferndale, CaliforniaMon, May 31, 11:25 AM PDT · 16197 days ago · 22 km deep · 71 km away
60. 1.634 km SW of Ferndale, CaliforniaMon, May 31, 1:56 PM PDT · 16197 days ago · 19 km deep · 93 km away

The first 60 of 81.

Before

1. 3.421 km W of Ferndale, CaliforniaThu, Apr 15, 1:04 AM PST · 16244 days ago · 29 km deep · 63 km away
2. 2.121 km WNW of Ferndale, CaliforniaWed, Apr 14, 9:06 PM PST · 16244 days ago · 19 km deep · 57 km away
3. 1.936 km SW of Ferndale, CaliforniaWed, Apr 14, 4:50 PM PST · 16244 days ago · 19 km deep · 94 km away
4. 3.945 km WSW of Ferndale, CaliforniaWed, Apr 14, 3:12 AM PST · 16245 days ago · 24 km deep · 89 km away
5. 3.115 km ESE of Indianola, CaliforniaSun, Apr 11, 1:45 PM PST · 16247 days ago · 24 km deep · 69 km away
6. 2.314 km WSW of Redcrest, CaliforniaSun, Apr 11, 12:06 PM PST · 16247 days ago · 29 km deep · 98 km away
7. 2.122 km SSW of Ferndale, CaliforniaSat, Apr 10, 4:53 AM PST · 16249 days ago · 43 km deep · 86 km away
8. 2.265 km W of Ferndale, CaliforniaFri, Apr 9, 8:28 AM PST · 16249 days ago · 13 km deep · 72 km away
9. 1.929 km SW of Ferndale, CaliforniaFri, Apr 9, 6:23 AM PST · 16250 days ago · 21 km deep · 84 km away
10. 2.411 km SW of Scotia, CaliforniaThu, Apr 8, 10:43 PM PST · 16250 days ago · 24 km deep · 87 km away
11. 2.165 km WSW of Ferndale, CaliforniaThu, Apr 8, 9:12 PM PST · 16250 days ago · 3 km deep · 95 km away
12. 1.720 km SSW of Ferndale, CaliforniaThu, Apr 8, 4:20 AM PST · 16251 days ago · 21 km deep · 84 km away
13. 2.114 km NNW of Willow Creek, CaliforniaWed, Apr 7, 10:40 PM PST · 16251 days ago · 26 km deep · 69 km away
14. 3.071 km W of Ferndale, CaliforniaWed, Apr 7, 2:39 PM PST · 16251 days ago · 37 km deep · 88 km away
15. 2.35 km NW of Manila, CaliforniaTue, Apr 6, 7:00 PM PST · 16252 days ago · 18 km deep · 40 km away
16. 1.619 km SW of Ferndale, CaliforniaFri, Apr 2, 2:22 AM PST · 16257 days ago · 22 km deep · 82 km away
17. 1.823 km SW of Ferndale, CaliforniaFri, Apr 2, 2:22 AM PST · 16257 days ago · 23 km deep · 81 km away
18. 1.9near the coast of Northern CaliforniaThu, Apr 1, 11:43 PM PST · 16257 days ago · 17 km deep · 85 km away
19. 3.129 km SW of Ferndale, CaliforniaThu, Apr 1, 9:39 AM PST · 16257 days ago · 23 km deep · 82 km away
20. 2.327 km WSW of Ferndale, CaliforniaThu, Apr 1, 8:31 AM PST · 16257 days ago · 25 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1073785. Read Mon, Oct 5, 2026, 3:50 AM UTC.