M1.8 earthquake 5 km NE of Redcrest, California

Magnitude

1.8 (md), micro

Local time

Sun, Dec 3, 1978, 8:20 AM PST

UTC

1978-12-03 16:20:46 UTC

Depth

-0.1 km (-0.1 mi), shallow

Epicenter

40.431° N, 123.895° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 2.8 km in depth

Depth from

From location

Station coverage gap

78°

Stations used

12

• Scotia, CaliforniaPopulation 850. Forecast18 kmESE
• Fortuna, CaliforniaPopulation 12,000. Forecast29 kmSE
• Chico, CaliforniaPopulation 121,345. Forecast192 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast868 kmNNW

After

1. 2.12 km W of Rio Dell, CaliforniaSun, Dec 3, 9:32 AM PST · 17460 days ago · 19 km deep · 21 km away
2. 2.611 km ESE of Hyampom, CaliforniaSun, Dec 3, 4:07 PM PST · 17460 days ago · 22 km deep · 52 km away
3. 2.211 km SSW of Ruth, CaliforniaMon, Dec 4, 7:23 AM PST · 17459 days ago · 30 km deep · 53 km away
4. 1.935 km SSW of Ferndale, CaliforniaMon, Dec 4, 4:53 PM PST · 17459 days ago · 19 km deep · 51 km away
5. 1.628 km SW of Ferndale, CaliforniaTue, Dec 5, 8:31 AM PST · 17458 days ago · 5 km deep · 53 km away
6. 1.924 km SW of Ferndale, CaliforniaTue, Dec 5, 12:51 PM PST · 17458 days ago · 28 km deep · 49 km away
7. 1.76 km NE of Myers Flat, CaliforniaWed, Dec 6, 2:16 AM PST · 17457 days ago · 1 km deep · 15 km away
8. 1.826 km SW of Ferndale, CaliforniaWed, Dec 6, 4:17 PM PST · 17457 days ago · 12 km deep · 52 km away
9. 2.761 km W of Ferndale, CaliforniaWed, Dec 6, 8:59 PM PST · 17457 days ago · 34 km deep · 95 km away
10. 1.622 km SW of Ferndale, CaliforniaWed, Dec 6, 9:57 PM PST · 17457 days ago · 23 km deep · 46 km away
11. 2.069 km WSW of Ferndale, CaliforniaThu, Dec 7, 11:41 AM PST · 17456 days ago · 5 km deep · 98 km away
12. 2.830 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:33 PM PST · 17456 days ago · 23 km deep · 57 km away
13. 2.430 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:36 PM PST · 17456 days ago · 23 km deep · 59 km away
14. 1.625 km SW of Ferndale, CaliforniaFri, Dec 8, 1:22 AM PST · 17456 days ago · 18 km deep · 53 km away
15. 1.611 km NNE of Junction City, CaliforniaSat, Dec 9, 4:00 AM PST · 17454 days ago · -1 km deep · 86 km away
16. 1.523 km WSW of Ferndale, CaliforniaSat, Dec 9, 2:48 PM PST · 17454 days ago · 21 km deep · 52 km away
17. 2.161 km W of Indianola, CaliforniaSat, Dec 9, 8:30 PM PST · 17454 days ago · 20 km deep · 97 km away
18. 2.1near the coast of Northern CaliforniaSun, Dec 10, 6:24 AM PST · 17453 days ago · 13 km deep · 21 km away
19. 2.060 km W of Ferndale, CaliforniaMon, Dec 11, 5:29 PM PST · 17452 days ago · 29 km deep · 91 km away
20. 1.543 km WSW of Ferndale, CaliforniaMon, Dec 11, 11:01 PM PST · 17452 days ago · 20 km deep · 71 km away
21. 2.511 km NE of Hydesville, CaliforniaTue, Dec 12, 11:35 PM PST · 17451 days ago · 6 km deep · 22 km away
22. 1.514 km SW of Scotia, CaliforniaFri, Dec 15, 7:42 AM PST · 17448 days ago · 11 km deep · 27 km away
23. 3.711 km NE of Blue Lake, CaliforniaSat, Dec 16, 3:17 AM PST · 17447 days ago · 22 km deep · 59 km away
24. 1.62 km N of Loleta, CaliforniaSat, Dec 16, 11:41 AM PST · 17447 days ago · 13 km deep · 38 km away
25. 2.536 km SSW of Ferndale, CaliforniaMon, Dec 18, 6:19 AM PST · 17445 days ago · 18 km deep · 51 km away
26. 1.824 km SSW of Ferndale, CaliforniaMon, Dec 18, 11:42 PM PST · 17445 days ago · 16 km deep · 42 km away
27. 1.5near the coast of Northern CaliforniaTue, Dec 19, 12:17 PM PST · 17444 days ago · 9 km deep · 94 km away
28. 2.89 km S of Ferndale, CaliforniaTue, Dec 19, 2:04 PM PST · 17444 days ago · 19 km deep · 33 km away
29. 1.6Northern CaliforniaWed, Dec 20, 12:56 PM PST · 17443 days ago · 18 km deep · 31 km away
30. 2.03 km N of Redway, CaliforniaWed, Dec 20, 5:57 PM PST · 17443 days ago · 17 km deep · 32 km away
31. 1.828 km SW of Ferndale, CaliforniaWed, Dec 20, 9:04 PM PST · 17443 days ago · 19 km deep · 54 km away
32. 1.54 km ESE of McKinleyville, CaliforniaWed, Dec 20, 9:28 PM PST · 17443 days ago · 22 km deep · 57 km away
33. 1.730 km WSW of Ferndale, CaliforniaThu, Dec 21, 12:39 AM PST · 17443 days ago · 19 km deep · 57 km away
34. 1.536 km SW of Ferndale, CaliforniaThu, Dec 21, 5:05 AM PST · 17442 days ago · 17 km deep · 55 km away
35. 1.99 km SSW of Ferndale, CaliforniaThu, Dec 21, 9:03 AM PST · 17442 days ago · 19 km deep · 34 km away
36. 1.520 km W of Indianola, CaliforniaThu, Dec 21, 10:40 PM PST · 17442 days ago · 23 km deep · 57 km away
37. 2.722 km WSW of Weott, CaliforniaFri, Dec 22, 1:33 AM PST · 17442 days ago · 9 km deep · 32 km away
38. 3.166 km WSW of Ferndale, CaliforniaFri, Dec 22, 4:18 AM PST · 17441 days ago · 26 km deep · 94 km away
39. 1.617 km NW of Junction City, CaliforniaFri, Dec 22, 7:30 AM PST · 17441 days ago · 17 km deep · 73 km away
40. 1.842 km SW of Ferndale, CaliforniaFri, Dec 22, 9:08 AM PST · 17441 days ago · 27 km deep · 63 km away
41. 1.736 km SW of Ferndale, CaliforniaFri, Dec 22, 9:16 PM PST · 17441 days ago · 26 km deep · 55 km away
42. 2.027 km SW of Ferndale, CaliforniaSat, Dec 23, 4:05 AM PST · 17440 days ago · 19 km deep · 53 km away
43. 1.835 km SW of Ferndale, CaliforniaSat, Dec 23, 5:51 PM PST · 17440 days ago · 14 km deep · 60 km away
44. 1.624 km SW of Ferndale, CaliforniaTue, Dec 26, 3:15 AM PST · 17437 days ago · 27 km deep · 47 km away
45. 2.735 km SSW of Ferndale, CaliforniaTue, Dec 26, 2:42 PM PST · 17437 days ago · 12 km deep · 48 km away
46. 1.716 km WNW of Fields Landing, CaliforniaTue, Dec 26, 4:05 PM PST · 17437 days ago · 20 km deep · 57 km away
47. 1.510 km S of Ferndale, CaliforniaTue, Dec 26, 7:14 PM PST · 17437 days ago · 20 km deep · 33 km away
48. 1.710 km S of Ferndale, CaliforniaWed, Dec 27, 6:48 PM PST · 17436 days ago · 19 km deep · 33 km away
49. 1.546 km W of Ferndale, CaliforniaSat, Dec 30, 3:47 AM PST · 17433 days ago · 7 km deep · 80 km away
50. 2.250 km W of Ferndale, CaliforniaSat, Dec 30, 7:54 AM PST · 17433 days ago · 23 km deep · 83 km away
51. 1.917 km WNW of Manila, CaliforniaSat, Dec 30, 10:50 PM PST · 17433 days ago · 5 km deep · 67 km away
52. 2.724 km NNE of Trinity Village, CaliforniaSat, Dec 30, 11:14 PM PST · 17433 days ago · 39 km deep · 82 km away
53. 2.023 km W of Ferndale, CaliforniaSun, Dec 31, 9:33 AM PST · 17432 days ago · 22 km deep · 57 km away
54. 1.96 km SE of Indianola, CaliforniaSun, Dec 31, 7:20 PM PST · 17432 days ago · 25 km deep · 40 km away
55. 1.626 km WSW of Ferndale, CaliforniaSun, Dec 31, 8:03 PM PST · 17432 days ago · 25 km deep · 54 km away
56. 1.523 km W of Ferndale, CaliforniaSun, Dec 31, 8:46 PM PST · 17432 days ago · 19 km deep · 56 km away
57. 1.73 km WSW of Loleta, CaliforniaMon, Jan 1, 10:48 AM PST · 17431 days ago · 18 km deep · 38 km away
58. 1.811 km E of Pine Hills, CaliforniaTue, Jan 2, 3:03 AM PST · 17430 days ago · 22 km deep · 34 km away
59. 1.711 km W of Trinidad, CaliforniaTue, Jan 2, 5:32 PM PST · 17430 days ago · 19 km deep · 77 km away
60. 1.53 km S of Ferndale, CaliforniaTue, Jan 2, 5:39 PM PST · 17430 days ago · 9 km deep · 34 km away

The first 60 of 109.

Before

1. 1.630 km WSW of Ferndale, CaliforniaSat, Dec 2, 6:04 PM PST · 17461 days ago · 26 km deep · 58 km away
2. 1.538 km W of Ferndale, CaliforniaSat, Dec 2, 5:44 AM PST · 17461 days ago · 26 km deep · 73 km away
3. 1.817 km NE of Miranda, CaliforniaFri, Dec 1, 3:15 PM PST · 17462 days ago · 24 km deep · 22 km away
4. 1.6off the coast of Northern CaliforniaFri, Dec 1, 8:04 AM PST · 17462 days ago · 5 km deep · 96 km away
5. 1.84 km ESE of Leggett, CaliforniaFri, Dec 1, 3:03 AM PST · 17462 days ago · 3 km deep · 68 km away
6. 1.830 km SW of Ferndale, CaliforniaFri, Dec 1, 2:47 AM PST · 17462 days ago · 18 km deep · 52 km away
7. 1.926 km W of Ferndale, CaliforniaThu, Nov 30, 7:02 PM PST · 17463 days ago · 22 km deep · 60 km away
8. 1.62 km W of Rio Dell, CaliforniaThu, Nov 30, 2:10 PM PST · 17463 days ago · 18 km deep · 21 km away
9. 1.966 km WSW of Ferndale, CaliforniaThu, Nov 30, 5:27 AM PST · 17463 days ago · 4 km deep · 94 km away
10. 1.510 km S of Ferndale, CaliforniaWed, Nov 29, 7:56 PM PST · 17464 days ago · 18 km deep · 33 km away
11. 1.664 km WSW of Ferndale, CaliforniaWed, Nov 29, 6:30 PM PST · 17464 days ago · 4 km deep · 91 km away
12. 1.88 km ENE of Willow Creek, CaliforniaWed, Nov 29, 3:26 PM PST · 17464 days ago · 22 km deep · 66 km away
13. 1.824 km SW of Ferndale, CaliforniaWed, Nov 29, 2:23 AM PST · 17464 days ago · 20 km deep · 51 km away
14. 1.83 km N of Redway, CaliforniaTue, Nov 28, 11:05 PM PST · 17465 days ago · 18 km deep · 31 km away
15. 2.47 km W of Rio Dell, CaliforniaTue, Nov 28, 3:32 PM PST · 17465 days ago · 19 km deep · 27 km away
16. 1.956 km WSW of Ferndale, CaliforniaTue, Nov 28, 7:43 AM PST · 17465 days ago · 13 km deep · 81 km away
17. 1.541 km SW of Ferndale, CaliforniaTue, Nov 28, 1:23 AM PST · 17466 days ago · 30 km deep · 62 km away
18. 1.615 km WNW of Manila, CaliforniaMon, Nov 27, 12:31 PM PST · 17466 days ago · 16 km deep · 65 km away
19. 1.849 km WSW of Ferndale, CaliforniaMon, Nov 27, 11:20 AM PST · 17466 days ago · 18 km deep · 79 km away
20. 1.724 km SW of Ferndale, CaliforniaMon, Nov 27, 7:00 AM PST · 17466 days ago · 20 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1043603. Read Tue, Sep 22, 2026, 9:39 PM UTC.