M1.6 earthquake 2 km N of Loleta, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Dec 16, 1978, 11:41 AM PST

UTC

1978-12-16 19:41:36 UTC

Depth

12.9 km (8.0 mi), shallow

Epicenter

40.661° N, 124.228° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

146°

Stations used

9

• Loleta, CaliforniaPopulation 783. Forecast2 kmN
• Fortuna, CaliforniaPopulation 12,000. Forecast9 kmNW
• Chico, CaliforniaPopulation 121,345. Forecast228 kmWNW

After

1. 1.976 km WSW of Ferndale, CaliforniaMon, Dec 18, 5:46 AM PST · 17455 days ago · 6 km deep · 81 km away
2. 2.536 km SSW of Ferndale, CaliforniaMon, Dec 18, 6:19 AM PST · 17455 days ago · 18 km deep · 46 km away
3. 1.824 km SSW of Ferndale, CaliforniaMon, Dec 18, 11:42 PM PST · 17454 days ago · 16 km deep · 35 km away
4. 3.272 km W of Ferndale, CaliforniaTue, Dec 19, 4:59 AM PST · 17454 days ago · 1 km deep · 76 km away
5. 1.5near the coast of Northern CaliforniaTue, Dec 19, 12:17 PM PST · 17453 days ago · 9 km deep · 64 km away
6. 2.89 km S of Ferndale, CaliforniaTue, Dec 19, 2:04 PM PST · 17453 days ago · 19 km deep · 20 km away
7. 1.6Northern CaliforniaWed, Dec 20, 12:56 PM PST · 17452 days ago · 18 km deep · 65 km away
8. 2.03 km N of Redway, CaliforniaWed, Dec 20, 5:57 PM PST · 17452 days ago · 17 km deep · 66 km away
9. 1.828 km SW of Ferndale, CaliforniaWed, Dec 20, 9:04 PM PST · 17452 days ago · 19 km deep · 37 km away
10. 1.54 km ESE of McKinleyville, CaliforniaWed, Dec 20, 9:28 PM PST · 17452 days ago · 22 km deep · 33 km away
11. 1.730 km WSW of Ferndale, CaliforniaThu, Dec 21, 12:39 AM PST · 17452 days ago · 19 km deep · 39 km away
12. 1.536 km SW of Ferndale, CaliforniaThu, Dec 21, 5:05 AM PST · 17452 days ago · 17 km deep · 46 km away
13. 1.99 km SSW of Ferndale, CaliforniaThu, Dec 21, 9:03 AM PST · 17452 days ago · 19 km deep · 20 km away
14. 1.520 km W of Indianola, CaliforniaThu, Dec 21, 10:40 PM PST · 17451 days ago · 23 km deep · 21 km away
15. 2.722 km WSW of Weott, CaliforniaFri, Dec 22, 1:33 AM PST · 17451 days ago · 9 km deep · 49 km away
16. 3.166 km WSW of Ferndale, CaliforniaFri, Dec 22, 4:18 AM PST · 17451 days ago · 26 km deep · 73 km away
17. 1.617 km NW of Junction City, CaliforniaFri, Dec 22, 7:30 AM PST · 17451 days ago · 17 km deep · 87 km away
18. 1.842 km SW of Ferndale, CaliforniaFri, Dec 22, 9:08 AM PST · 17451 days ago · 27 km deep · 51 km away
19. 1.736 km SW of Ferndale, CaliforniaFri, Dec 22, 9:16 PM PST · 17450 days ago · 26 km deep · 46 km away
20. 2.027 km SW of Ferndale, CaliforniaSat, Dec 23, 4:05 AM PST · 17450 days ago · 19 km deep · 36 km away
21. 1.835 km SW of Ferndale, CaliforniaSat, Dec 23, 5:51 PM PST · 17449 days ago · 14 km deep · 44 km away
22. 1.624 km SW of Ferndale, CaliforniaTue, Dec 26, 3:15 AM PST · 17447 days ago · 27 km deep · 34 km away
23. 2.735 km SSW of Ferndale, CaliforniaTue, Dec 26, 2:42 PM PST · 17446 days ago · 12 km deep · 45 km away
24. 1.716 km WNW of Fields Landing, CaliforniaTue, Dec 26, 4:05 PM PST · 17446 days ago · 20 km deep · 19 km away
25. 1.510 km S of Ferndale, CaliforniaTue, Dec 26, 7:14 PM PST · 17446 days ago · 20 km deep · 21 km away
26. 1.710 km S of Ferndale, CaliforniaWed, Dec 27, 6:48 PM PST · 17445 days ago · 19 km deep · 20 km away
27. 1.546 km W of Ferndale, CaliforniaSat, Dec 30, 3:47 AM PST · 17443 days ago · 7 km deep · 49 km away
28. 2.250 km W of Ferndale, CaliforniaSat, Dec 30, 7:54 AM PST · 17443 days ago · 23 km deep · 53 km away
29. 1.917 km WNW of Manila, CaliforniaSat, Dec 30, 10:50 PM PST · 17442 days ago · 5 km deep · 31 km away
30. 2.724 km NNE of Trinity Village, CaliforniaSat, Dec 30, 11:14 PM PST · 17442 days ago · 39 km deep · 83 km away
31. 2.023 km W of Ferndale, CaliforniaSun, Dec 31, 9:33 AM PST · 17442 days ago · 22 km deep · 26 km away
32. 1.96 km SE of Indianola, CaliforniaSun, Dec 31, 7:20 PM PST · 17441 days ago · 25 km deep · 21 km away
33. 1.626 km WSW of Ferndale, CaliforniaSun, Dec 31, 8:03 PM PST · 17441 days ago · 25 km deep · 35 km away
34. 1.523 km W of Ferndale, CaliforniaSun, Dec 31, 8:46 PM PST · 17441 days ago · 19 km deep · 29 km away
35. 1.73 km WSW of Loleta, CaliforniaMon, Jan 1, 10:48 AM PST · 17441 days ago · 18 km deep · 4 km away
36. 1.811 km E of Pine Hills, CaliforniaTue, Jan 2, 3:03 AM PST · 17440 days ago · 22 km deep · 18 km away
37. 1.711 km W of Trinidad, CaliforniaTue, Jan 2, 5:32 PM PST · 17439 days ago · 19 km deep · 44 km away
38. 1.53 km S of Ferndale, CaliforniaTue, Jan 2, 5:39 PM PST · 17439 days ago · 9 km deep · 14 km away
39. 1.91 km SSW of Big Lagoon, CaliforniaTue, Jan 2, 7:55 PM PST · 17439 days ago · 18 km deep · 54 km away
40. 2.07 km W of Indianola, CaliforniaWed, Jan 3, 9:31 AM PST · 17439 days ago · 23 km deep · 8 km away
41. 1.959 km W of Trinidad, CaliforniaFri, Jan 5, 1:49 PM PST · 17436 days ago · 2 km deep · 65 km away
42. 1.755 km W of Trinidad, CaliforniaSat, Jan 6, 5:10 AM PST · 17436 days ago · 6 km deep · 62 km away
43. 3.026 km SW of Ferndale, CaliforniaSat, Jan 6, 9:48 AM PST · 17436 days ago · 21 km deep · 35 km away
44. 1.625 km SW of Ferndale, CaliforniaSat, Jan 6, 6:54 PM PST · 17435 days ago · 27 km deep · 35 km away
45. 2.425 km SW of Ferndale, CaliforniaSat, Jan 6, 10:24 PM PST · 17435 days ago · 26 km deep · 34 km away
46. 1.624 km SW of Ferndale, CaliforniaSat, Jan 6, 10:28 PM PST · 17435 days ago · 27 km deep · 34 km away
47. 1.625 km SW of Ferndale, CaliforniaSat, Jan 6, 10:35 PM PST · 17435 days ago · 25 km deep · 34 km away
48. 2.63 km WSW of Loleta, CaliforniaMon, Jan 8, 10:21 AM PST · 17434 days ago · 18 km deep · 4 km away
49. 3.336 km SW of Ferndale, CaliforniaTue, Jan 9, 8:24 AM PST · 17433 days ago · 23 km deep · 46 km away
50. 2.624 km SSW of Ferndale, CaliforniaTue, Jan 9, 11:06 AM PST · 17433 days ago · 5 km deep · 35 km away
51. 2.79 km SSW of Ferndale, CaliforniaTue, Jan 9, 5:55 PM PST · 17432 days ago · 23 km deep · 20 km away
52. 2.927 km SW of Ferndale, CaliforniaTue, Jan 9, 7:30 PM PST · 17432 days ago · 19 km deep · 37 km away
53. 1.631 km SW of Ferndale, CaliforniaWed, Jan 10, 1:39 AM PST · 17432 days ago · 14 km deep · 40 km away
54. 1.951 km SW of Ferndale, CaliforniaWed, Jan 10, 2:02 AM PST · 17432 days ago · 5 km deep · 60 km away
55. 1.69 km S of Ferndale, CaliforniaWed, Jan 10, 3:47 AM PST · 17432 days ago · 19 km deep · 20 km away
56. 1.733 km SW of Ferndale, CaliforniaWed, Jan 10, 7:07 AM PST · 17432 days ago · 15 km deep · 42 km away
57. 2.32 km WSW of Loleta, CaliforniaThu, Jan 11, 1:20 AM PST · 17431 days ago · 18 km deep · 4 km away
58. 2.010 km SSW of Ferndale, CAThu, Jan 11, 10:15 AM PST · 17431 days ago · 19 km deep · 20 km away
59. 2.485 km W of Big Lagoon, CaliforniaThu, Jan 11, 11:28 AM PST · 17430 days ago · 2 km deep · 100 km away
60. 1.911 km S of Ruth, CaliforniaFri, Jan 12, 5:33 AM PST · 17430 days ago · 30 km deep · 93 km away

The first 60 of 151.

Before

1. 3.711 km NE of Blue Lake, CaliforniaSat, Dec 16, 3:17 AM PST · 17457 days ago · 22 km deep · 43 km away
2. 1.514 km SW of Scotia, CaliforniaFri, Dec 15, 7:42 AM PST · 17458 days ago · 11 km deep · 32 km away
3. 2.511 km NE of Hydesville, CaliforniaTue, Dec 12, 11:35 PM PST · 17460 days ago · 6 km deep · 21 km away
4. 1.543 km WSW of Ferndale, CaliforniaMon, Dec 11, 11:01 PM PST · 17461 days ago · 20 km deep · 50 km away
5. 2.060 km W of Ferndale, CaliforniaMon, Dec 11, 5:29 PM PST · 17461 days ago · 29 km deep · 65 km away
6. 2.1near the coast of Northern CaliforniaSun, Dec 10, 6:24 AM PST · 17463 days ago · 13 km deep · 40 km away
7. 2.161 km W of Indianola, CaliforniaSat, Dec 9, 8:30 PM PST · 17463 days ago · 20 km deep · 62 km away
8. 1.523 km WSW of Ferndale, CaliforniaSat, Dec 9, 2:48 PM PST · 17463 days ago · 21 km deep · 31 km away
9. 1.625 km SW of Ferndale, CaliforniaFri, Dec 8, 1:22 AM PST · 17465 days ago · 18 km deep · 34 km away
10. 2.430 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:36 PM PST · 17465 days ago · 23 km deep · 38 km away
11. 2.830 km WSW of Ferndale, CaliforniaThu, Dec 7, 8:33 PM PST · 17465 days ago · 23 km deep · 38 km away
12. 2.069 km WSW of Ferndale, CaliforniaThu, Dec 7, 11:41 AM PST · 17465 days ago · 5 km deep · 75 km away
13. 1.622 km SW of Ferndale, CaliforniaWed, Dec 6, 9:57 PM PST · 17466 days ago · 23 km deep · 31 km away
14. 2.761 km W of Ferndale, CaliforniaWed, Dec 6, 8:59 PM PST · 17466 days ago · 34 km deep · 63 km away
15. 1.826 km SW of Ferndale, CaliforniaWed, Dec 6, 4:17 PM PST · 17466 days ago · 12 km deep · 35 km away
16. 1.76 km NE of Myers Flat, CaliforniaWed, Dec 6, 2:16 AM PST · 17467 days ago · 1 km deep · 52 km away
17. 1.924 km SW of Ferndale, CaliforniaTue, Dec 5, 12:51 PM PST · 17467 days ago · 28 km deep · 34 km away
18. 1.628 km SW of Ferndale, CaliforniaTue, Dec 5, 8:31 AM PST · 17468 days ago · 5 km deep · 37 km away
19. 1.935 km SSW of Ferndale, CaliforniaMon, Dec 4, 4:53 PM PST · 17468 days ago · 19 km deep · 45 km away
20. 2.211 km SSW of Ruth, CaliforniaMon, Dec 4, 7:23 AM PST · 17469 days ago · 30 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1043768. Read Fri, Oct 2, 2026, 6:40 AM UTC.