M2.4 earthquake 123 km W of Ferndale, California

Magnitude

2.4 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Sep 27, 1982, 7:18 AM PDT

UTC

1982-09-27 14:18:33 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

40.449° N, 125.713° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 6.3 km horizontally, 12.5 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

303°, poorly surrounded by stations

Stations used

21

• Ferndale, CaliforniaPopulation 1,369. Forecast123 kmW
• Fortuna, CaliforniaPopulation 12,000. Forecast133 kmW
• Chico, CaliforniaPopulation 121,345. Forecast339 kmWNW

After

1. 2.934 km WSW of Ferndale, CaliforniaWed, Sep 29, 12:20 AM PDT · 16074 days ago · 24 km deep · 93 km away
2. 1.627 km WSW of Ferndale, CaliforniaWed, Sep 29, 12:55 AM PDT · 16074 days ago · 23 km deep · 100 km away
3. 1.543 km SW of Ferndale, CaliforniaWed, Sep 29, 10:17 AM PDT · 16073 days ago · 17 km deep · 94 km away
4. 2.165 km WSW of Ferndale, CaliforniaMon, Oct 4, 8:44 PM PDT · 16068 days ago · 13 km deep · 61 km away
5. 1.738 km WSW of Ferndale, CaliforniaTue, Oct 5, 7:25 PM PDT · 16067 days ago · 26 km deep · 85 km away
6. 2.437 km SW of Ferndale, CaliforniaSat, Oct 9, 11:41 AM PDT · 16063 days ago · 21 km deep · 99 km away
7. 2.455 km WSW of Ferndale, CaliforniaMon, Oct 11, 2:20 AM PDT · 16062 days ago · 5 km deep · 75 km away
8. 3.368 km WSW of Ferndale, CaliforniaMon, Oct 11, 7:07 AM PDT · 16062 days ago · 1 km deep · 57 km away
9. 1.635 km SW of Ferndale, CaliforniaThu, Oct 14, 6:54 AM PDT · 16059 days ago · 24 km deep · 97 km away
10. 2.8127 km W of Ferndale, CaliforniaThu, Oct 14, 1:02 PM PDT · 16058 days ago · 5 km deep · 5 km away
11. 2.139 km SW of Ferndale, CaliforniaThu, Oct 14, 2:19 PM PDT · 16058 days ago · 22 km deep · 96 km away
12. 2.940 km SW of Ferndale, CaliforniaSat, Oct 16, 6:47 PM PDT · 16056 days ago · 18 km deep · 96 km away
13. 2.730 km SW of Ferndale, CaliforniaSun, Oct 17, 12:46 PM PDT · 16055 days ago · 25 km deep · 100 km away
14. 2.286 km WSW of Ferndale, CaliforniaMon, Oct 18, 6:10 AM PDT · 16055 days ago · 8 km deep · 42 km away
15. 1.855 km W of Ferndale, CaliforniaTue, Oct 19, 2:59 PM PDT · 16053 days ago · 7 km deep · 68 km away
16. 1.937 km WSW of Ferndale, CaliforniaWed, Oct 20, 5:54 AM PDT · 16053 days ago · 24 km deep · 88 km away
17. 2.471 km WNW of Samoa, CaliforniaWed, Oct 20, 8:11 AM PDT · 16052 days ago · 5 km deep · 83 km away
18. 1.941 km SW of Ferndale, CaliforniaFri, Oct 22, 12:11 AM PDT · 16051 days ago · 13 km deep · 100 km away
19. 2.2117 km W of Ferndale, CaliforniaFri, Oct 22, 2:16 PM PDT · 16050 days ago · 5 km deep · 8 km away
20. 2.336 km WSW of Ferndale, CaliforniaTue, Nov 2, 1:51 AM PST · 16040 days ago · 27 km deep · 88 km away
21. 2.141 km WSW of Ferndale, CaliforniaWed, Nov 3, 7:46 AM PST · 16038 days ago · 22 km deep · 83 km away
22. 2.7101 km W of Ferndale, CaliforniaThu, Nov 11, 4:23 PM PST · 16030 days ago · 21 km deep · 22 km away
23. 2.9166 km W of Ferndale, CaliforniaMon, Nov 15, 9:19 PM PST · 16026 days ago · 5 km deep · 46 km away
24. 1.933 km SW of Ferndale, CaliforniaFri, Nov 19, 8:32 PM PST · 16022 days ago · 18 km deep · 95 km away
25. 1.831 km WSW of Ferndale, CaliforniaSat, Nov 20, 9:30 PM PST · 16021 days ago · 27 km deep · 93 km away
26. 2.143 km SW of Ferndale, CaliforniaMon, Nov 22, 11:15 AM PST · 16019 days ago · 24 km deep · 92 km away

Before

1. 2.5138 km W of Ferndale, CaliforniaSat, Sep 25, 9:10 AM PDT · 16077 days ago · 5 km deep · 19 km away
2. 2.7167 km W of Ferndale, CaliforniaWed, Sep 22, 7:39 PM PDT · 16080 days ago · 5 km deep · 45 km away
3. 2.179 km W of Ferndale, CaliforniaWed, Sep 22, 6:37 PM PDT · 16080 days ago · 7 km deep · 44 km away
4. 2.5137 km W of Ferndale, CaliforniaWed, Sep 22, 4:49 PM PDT · 16080 days ago · 5 km deep · 14 km away
5. 2.551 km W of Ferndale, CaliforniaTue, Sep 21, 9:34 AM PDT · 16081 days ago · 31 km deep · 72 km away
6. 2.0off the coast of Northern CaliforniaSun, Sep 19, 11:00 PM PDT · 16083 days ago · 6 km deep · 58 km away
7. 2.299 km W of Ferndale, CaliforniaSun, Sep 19, 2:50 PM PDT · 16083 days ago · 8 km deep · 31 km away
8. 2.3114 km W of Ferndale, CaliforniaSun, Sep 19, 9:19 AM PDT · 16083 days ago · 11 km deep · 10 km away
9. 2.6121 km W of Ferndale, CaliforniaSat, Sep 18, 7:04 PM PDT · 16084 days ago · 19 km deep · 4 km away
10. 2.238 km SW of Ferndale, CaliforniaSat, Sep 18, 1:26 PM PDT · 16084 days ago · 20 km deep · 99 km away
11. 2.847 km WSW of Ferndale, CaliforniaSat, Sep 18, 6:24 AM PDT · 16085 days ago · 21 km deep · 82 km away
12. 2.046 km W of Ferndale, CaliforniaFri, Sep 17, 4:26 AM PDT · 16086 days ago · 19 km deep · 78 km away
13. 2.7134 km W of Ferndale, CaliforniaFri, Sep 17, 3:48 AM PDT · 16086 days ago · 5 km deep · 11 km away
14. 2.643 km SW of Ferndale, CaliforniaThu, Sep 16, 2:13 PM PDT · 16086 days ago · 19 km deep · 92 km away
15. 3.196 km W of Ferndale, CaliforniaThu, Sep 16, 4:07 AM PDT · 16087 days ago · 22 km deep · 28 km away
16. 1.634 km SW of Ferndale, CaliforniaSun, Sep 12, 2:37 PM PDT · 16090 days ago · 29 km deep · 96 km away
17. 1.636 km WSW of Ferndale, CaliforniaSun, Sep 12, 2:36 PM PDT · 16090 days ago · 24 km deep · 90 km away
18. 2.132 km SW of Ferndale, CaliforniaSat, Sep 11, 4:11 PM PDT · 16091 days ago · 24 km deep · 96 km away
19. 2.556 km WSW of Ferndale, CaliforniaThu, Sep 9, 3:42 PM PDT · 16093 days ago · 5 km deep · 67 km away
20. 3.362 km WNW of Indianola, CaliforniaThu, Sep 9, 4:26 AM PDT · 16094 days ago · 7 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1079627. Read Fri, Oct 2, 2026, 2:14 AM UTC.