M1.7 earthquake 33 km SW of Ferndale, California

Magnitude

1.7 (md), micro

Local time

Sun, Mar 21, 1982, 12:16 AM PST

UTC

1982-03-21 08:16:43 UTC

Depth

17.7 km (11.0 mi), shallow

Epicenter

40.363° N, 124.544° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

276°, poorly surrounded by stations

Stations used

13

• Ferndale, CaliforniaPopulation 1,369. Forecast34 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast42 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast241 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast896 kmNW

After

1. 1.934 km SW of Ferndale, CaliforniaSun, Mar 21, 9:08 AM PST · 16256 days ago · 20 km deep · 1 km away
2. 2.013 km W of McKinleyville, CaliforniaSun, Mar 21, 3:02 PM PST · 16256 days ago · 25 km deep · 70 km away
3. 1.65 km NW of Samoa, CaliforniaSun, Mar 21, 5:23 PM PST · 16256 days ago · 5 km deep · 61 km away
4. 1.56 km ENE of Garberville, CaliforniaSun, Mar 21, 10:09 PM PST · 16256 days ago · 22 km deep · 75 km away
5. 2.5104 km W of Ferndale, CaliforniaMon, Mar 22, 11:43 AM PST · 16255 days ago · 15 km deep · 81 km away
6. 2.114 km WSW of Scotia, CaliforniaMon, Mar 22, 2:41 PM PST · 16255 days ago · 20 km deep · 25 km away
7. 1.534 km SW of Scotia, CaliforniaWed, Mar 24, 1:18 AM PST · 16253 days ago · 4 km deep · 16 km away
8. 2.014 km S of Ferndale, CaliforniaFri, Mar 26, 10:44 AM PST · 16251 days ago · 20 km deep · 24 km away
9. 2.317 km SSW of Ferndale, CaliforniaFri, Mar 26, 9:20 PM PST · 16251 days ago · 19 km deep · 17 km away
10. 2.132 km SW of Scotia, CaliforniaSat, Mar 27, 8:13 PM PST · 16250 days ago · 21 km deep · 17 km away
11. 3.6106 km W of Ferndale, CaliforniaTue, Mar 30, 1:26 AM PST · 16247 days ago · 5 km deep · 87 km away
12. 2.136 km SW of Ferndale, CaliforniaTue, Mar 30, 5:57 PM PST · 16247 days ago · 26 km deep · 7 km away
13. 3.58 km N of Mad River, CaliforniaWed, Mar 31, 1:30 PM PST · 16246 days ago · -1 km deep · 88 km away
14. 2.691 km WSW of Ferndale, CaliforniaWed, Mar 31, 9:20 PM PST · 16246 days ago · 5 km deep · 66 km away
15. 2.347 km SW of Ferndale, CaliforniaThu, Apr 1, 8:25 AM PST · 16245 days ago · 16 km deep · 16 km away
16. 2.327 km WSW of Ferndale, CaliforniaThu, Apr 1, 8:31 AM PST · 16245 days ago · 25 km deep · 9 km away
17. 3.129 km SW of Ferndale, CaliforniaThu, Apr 1, 9:39 AM PST · 16245 days ago · 23 km deep · 7 km away
18. 1.97 km NNW of Mad River, CaliforniaThu, Apr 1, 5:01 PM PST · 16245 days ago · 8 km deep · 86 km away
19. 1.98 km N of Mad River, CaliforniaThu, Apr 1, 9:34 PM PST · 16245 days ago · -1 km deep · 88 km away
20. 1.9near the coast of Northern CaliforniaThu, Apr 1, 11:43 PM PST · 16245 days ago · 17 km deep · 7 km away
21. 1.823 km SW of Ferndale, CaliforniaFri, Apr 2, 2:22 AM PST · 16244 days ago · 23 km deep · 10 km away
22. 1.619 km SW of Ferndale, CaliforniaFri, Apr 2, 2:22 AM PST · 16244 days ago · 22 km deep · 14 km away
23. 2.63 km WSW of Redway, CaliforniaSun, Apr 4, 12:43 PM PST · 16242 days ago · 10 km deep · 64 km away
24. 2.35 km NW of Manila, CaliforniaTue, Apr 6, 7:00 PM PST · 16240 days ago · 18 km deep · 65 km away
25. 3.071 km W of Ferndale, CaliforniaWed, Apr 7, 2:39 PM PST · 16239 days ago · 37 km deep · 49 km away
26. 1.720 km SSW of Ferndale, CaliforniaThu, Apr 8, 4:20 AM PST · 16238 days ago · 21 km deep · 15 km away
27. 2.443 km SSW of Ferndale, CaliforniaThu, Apr 8, 5:34 AM PST · 16238 days ago · 16 km deep · 13 km away
28. 2.165 km WSW of Ferndale, CaliforniaThu, Apr 8, 9:12 PM PST · 16238 days ago · 3 km deep · 38 km away
29. 2.411 km SW of Scotia, CaliforniaThu, Apr 8, 10:43 PM PST · 16238 days ago · 24 km deep · 30 km away
30. 1.929 km SW of Ferndale, CaliforniaFri, Apr 9, 6:23 AM PST · 16237 days ago · 21 km deep · 5 km away
31. 2.265 km W of Ferndale, CaliforniaFri, Apr 9, 8:28 AM PST · 16237 days ago · 13 km deep · 52 km away
32. 2.122 km SSW of Ferndale, CaliforniaSat, Apr 10, 4:53 AM PST · 16236 days ago · 43 km deep · 15 km away
33. 2.314 km WSW of Redcrest, CaliforniaSun, Apr 11, 12:06 PM PST · 16235 days ago · 29 km deep · 38 km away
34. 3.115 km ESE of Indianola, CaliforniaSun, Apr 11, 1:45 PM PST · 16235 days ago · 24 km deep · 67 km away
35. 3.945 km WSW of Ferndale, CaliforniaWed, Apr 14, 3:12 AM PST · 16232 days ago · 24 km deep · 16 km away
36. 1.936 km SW of Ferndale, CaliforniaWed, Apr 14, 4:50 PM PST · 16232 days ago · 19 km deep · 6 km away
37. 2.121 km WNW of Ferndale, CaliforniaWed, Apr 14, 9:06 PM PST · 16232 days ago · 19 km deep · 32 km away
38. 3.421 km W of Ferndale, CaliforniaThu, Apr 15, 1:04 AM PST · 16232 days ago · 29 km deep · 26 km away
39. 2.489 km W of Ferndale, CaliforniaSat, Apr 17, 11:41 AM PST · 16229 days ago · 5 km deep · 65 km away
40. 3.832 km W of Big Lagoon, CaliforniaSat, Apr 17, 3:36 PM PST · 16229 days ago · 40 km deep · 89 km away
41. 1.63 km SSW of Scotia, CaliforniaSun, Apr 18, 5:49 AM PST · 16228 days ago · 26 km deep · 37 km away
42. 1.920 km WSW of Weott, CaliforniaSun, Apr 18, 7:24 AM PST · 16228 days ago · 1 km deep · 37 km away
43. 1.830 km SW of Scotia, CaliforniaTue, Apr 20, 9:37 AM PST · 16226 days ago · 19 km deep · 19 km away
44. 2.418 km W of Trinidad, CaliforniaWed, Apr 21, 4:40 PM PST · 16225 days ago · 21 km deep · 79 km away
45. 2.22 km NW of McKinleyville, CaliforniaThu, Apr 22, 7:46 AM PST · 16224 days ago · 1 km deep · 76 km away
46. 2.070 km WSW of Ferndale, CaliforniaFri, Apr 23, 3:24 AM PST · 16223 days ago · 4 km deep · 43 km away
47. 2.923 km WSW of Ferndale, CaliforniaSat, Apr 24, 12:34 AM PST · 16223 days ago · 25 km deep · 12 km away
48. 1.628 km WSW of Ferndale, CaliforniaSat, Apr 24, 12:53 AM PST · 16223 days ago · 18 km deep · 13 km away
49. 2.524 km WSW of Ferndale, CaliforniaSat, Apr 24, 3:06 PM PST · 16222 days ago · 25 km deep · 12 km away
50. 2.914 km WSW of Scotia, CaliforniaSun, Apr 25, 10:34 PM PDT · 16221 days ago · 21 km deep · 26 km away
51. 1.527 km WSW of Weott, CaliforniaTue, Apr 27, 12:21 PM PDT · 16219 days ago · -1 km deep · 29 km away
52. 2.131 km SW of Ferndale, CaliforniaWed, Apr 28, 11:10 PM PDT · 16218 days ago · 18 km deep · 4 km away
53. 2.573 km WSW of Ferndale, CaliforniaThu, Apr 29, 12:35 PM PDT · 16217 days ago · 52 km deep · 48 km away
54. 3.1111 km WSW of Ferndale, CaliforniaThu, Apr 29, 5:24 PM PDT · 16217 days ago · 8 km deep · 85 km away
55. 1.742 km W of Ferndale, CaliforniaFri, Apr 30, 11:02 AM PDT · 16216 days ago · 16 km deep · 28 km away
56. 2.837 km SW of Ferndale, CaliforniaSat, May 1, 9:08 PM PDT · 16215 days ago · 24 km deep · 7 km away
57. 2.936 km SW of Ferndale, CaliforniaSat, May 1, 9:08 PM PDT · 16215 days ago · 22 km deep · 7 km away
58. 3.083 km WSW of Ferndale, CaliforniaSat, May 1, 10:53 PM PDT · 16215 days ago · 57 km deep · 58 km away
59. 2.810 km ESE of Pine Hills, CaliforniaSun, May 2, 8:08 AM PDT · 16214 days ago · 22 km deep · 55 km away
60. 2.822 km SW of Ferndale, CaliforniaSun, May 2, 6:34 PM PDT · 16214 days ago · 19 km deep · 12 km away

The first 60 of 98.

Before

1. 2.915 km S of Ferndale, CaliforniaSat, Mar 20, 9:45 AM PST · 16257 days ago · 20 km deep · 24 km away
2. 2.120 km W of Ferndale, CaliforniaSat, Mar 20, 4:54 AM PST · 16257 days ago · 22 km deep · 23 km away
3. 2.691 km W of Ferndale, CaliforniaFri, Mar 19, 6:10 AM PST · 16258 days ago · 11 km deep · 68 km away
4. 2.027 km W of Indianola, CaliforniaThu, Mar 18, 2:00 AM PST · 16259 days ago · 23 km deep · 37 km away
5. 2.552 km WSW of Ferndale, CaliforniaWed, Mar 17, 6:29 AM PST · 16260 days ago · 10 km deep · 26 km away
6. 3.611 km SSW of Scotia, CaliforniaWed, Mar 17, 1:32 AM PST · 16260 days ago · 26 km deep · 35 km away
7. 1.521 km WSW of Scotia, CaliforniaTue, Mar 16, 9:49 AM PST · 16261 days ago · 15 km deep · 20 km away
8. 1.83 km NE of Redway, CaliforniaTue, Mar 16, 8:38 AM PST · 16261 days ago · 21 km deep · 68 km away
9. 2.5Northern CaliforniaMon, Mar 15, 10:52 PM PST · 16262 days ago · 1 km deep · 69 km away
10. 2.16 km SE of Ferndale, CaliforniaMon, Mar 15, 11:56 AM PST · 16262 days ago · 12 km deep · 35 km away
11. 1.86 km W of Loleta, CaliforniaSun, Mar 14, 8:43 AM PST · 16263 days ago · 24 km deep · 36 km away
12. 2.331 km SW of Scotia, CaliforniaFri, Mar 12, 9:14 PM PST · 16265 days ago · 22 km deep · 17 km away
13. 2.411 km NNW of Ruth, CaliforniaFri, Mar 12, 7:52 AM PST · 16265 days ago · 32 km deep · 98 km away
14. 2.125 km SW of Ferndale, CaliforniaThu, Mar 11, 9:59 PM PST · 16266 days ago · 18 km deep · 9 km away
15. 2.123 km SW of Ferndale, CaliforniaThu, Mar 11, 9:51 PM PST · 16266 days ago · 18 km deep · 11 km away
16. 2.035 km SSW of Ferndale, CaliforniaThu, Mar 11, 12:36 AM PST · 16267 days ago · 27 km deep · 8 km away
17. 2.554 km WNW of Ferndale, CaliforniaWed, Mar 10, 4:06 PM PST · 16267 days ago · 4 km deep · 48 km away
18. 3.091 km WSW of Ferndale, CaliforniaWed, Mar 10, 7:01 AM PST · 16267 days ago · 6 km deep · 66 km away
19. 1.520 km W of Indianola, CaliforniaSun, Mar 7, 9:42 PM PST · 16270 days ago · 24 km deep · 35 km away
20. 1.728 km SW of Scotia, CaliforniaSun, Mar 7, 8:24 PM PST · 16270 days ago · 1 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1073075. Read Tue, Sep 22, 2026, 8:42 PM UTC.