M1.9 earthquake 3 km NNE of Hydesville, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Oct 31, 1979, 7:48 PM PST

UTC

1979-11-01 03:48:31 UTC

Depth

18.2 km (11.3 mi), shallow

Epicenter

40.581° N, 124.079° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.03

Depth from

From location

Station coverage gap

36°

Stations used

14

• Hydesville, CaliforniaPopulation 1,237. Forecast4 kmNNE
• Fortuna, CaliforniaPopulation 12,000. Forecast7 kmESE
• Chico, CaliforniaPopulation 121,345. Forecast213 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast890 kmNNW

After

1. 1.622 km ENE of Hydesville, CaliforniaFri, Nov 2, 1:28 AM PST · 17135 days ago · 22 km deep · 20 km away
2. 1.935 km WSW of Ferndale, CaliforniaFri, Nov 2, 8:01 AM PST · 17135 days ago · 25 km deep · 51 km away
3. 3.07 km WSW of Mad River, CaliforniaFri, Nov 2, 9:46 PM PST · 17134 days ago · 30 km deep · 45 km away
4. 1.89 km WSW of Mad River, CaliforniaFri, Nov 2, 10:27 PM PST · 17134 days ago · 27 km deep · 44 km away
5. 2.662 km WSW of Ferndale, CaliforniaSat, Nov 3, 12:43 AM PST · 17134 days ago · 55 km deep · 77 km away
6. 2.853 km W of Ferndale, CaliforniaSat, Nov 3, 7:52 PM PST · 17134 days ago · 26 km deep · 69 km away
7. 1.611 km SW of Ferndale, CaliforniaSun, Nov 4, 12:17 PM PST · 17133 days ago · 24 km deep · 26 km away
8. 1.87 km SSE of Scotia, CaliforniaSun, Nov 4, 2:17 PM PST · 17133 days ago · 22 km deep · 18 km away
9. 1.925 km SSW of Ferndale, CaliforniaMon, Nov 5, 12:59 PM PST · 17132 days ago · 30 km deep · 36 km away
10. 3.342 km SW of Ferndale, CaliforniaTue, Nov 6, 11:58 PM PST · 17130 days ago · 11 km deep · 56 km away
11. 1.760 km WNW of Samoa, CaliforniaThu, Nov 8, 1:26 AM PST · 17129 days ago · 15 km deep · 79 km away
12. 1.915 km WSW of Trinidad, CaliforniaFri, Nov 9, 2:09 PM PST · 17128 days ago · 20 km deep · 52 km away
13. 1.98 km SE of Blue Lake, CaliforniaFri, Nov 9, 3:07 PM PST · 17128 days ago · -1 km deep · 31 km away
14. 2.023 km W of Indianola, CaliforniaFri, Nov 9, 8:25 PM PST · 17127 days ago · 20 km deep · 39 km away
15. 1.819 km W of Indianola, CaliforniaSat, Nov 10, 3:54 AM PST · 17127 days ago · 21 km deep · 35 km away
16. 1.836 km SW of Ferndale, CaliforniaSun, Nov 11, 12:25 AM PST · 17126 days ago · 27 km deep · 47 km away
17. 2.337 km SW of Ferndale, CaliforniaSun, Nov 11, 12:47 AM PST · 17126 days ago · 25 km deep · 49 km away
18. 1.77 km W of Willow Creek, CaliforniaSun, Nov 11, 3:04 AM PST · 17126 days ago · 23 km deep · 49 km away
19. 2.37 km E of Mad River, CaliforniaSun, Nov 11, 3:23 PM PST · 17126 days ago · 29 km deep · 57 km away
20. 1.936 km SSW of Ferndale, CaliforniaMon, Nov 12, 10:09 AM PST · 17125 days ago · 19 km deep · 47 km away
21. 2.513 km NNE of Redcrest, CaliforniaTue, Nov 13, 4:25 AM PST · 17124 days ago · 24 km deep · 20 km away
22. 3.563 km WSW of Ferndale, CaliforniaTue, Nov 13, 4:46 AM PST · 17124 days ago · 27 km deep · 78 km away
23. 2.218 km SW of Scotia, CaliforniaTue, Nov 13, 10:04 AM PST · 17124 days ago · 32 km deep · 27 km away
24. 1.69 km W of Mad River, CaliforniaFri, Nov 16, 1:32 AM PST · 17121 days ago · 2 km deep · 42 km away
25. 2.46 km SSW of Scotia, CaliforniaFri, Nov 16, 9:01 AM PST · 17121 days ago · 21 km deep · 18 km away
26. 1.512 km SE of Blue Lake, CaliforniaFri, Nov 16, 11:57 AM PST · 17121 days ago · 21 km deep · 32 km away
27. 1.68 km SSW of Junction City, CaliforniaSun, Nov 18, 10:00 PM PST · 17118 days ago · 3 km deep · 84 km away
28. 1.79 km SE of Blue Lake, CaliforniaMon, Nov 19, 3:05 PM PST · 17118 days ago · 1 km deep · 32 km away
29. 3.425 km SW of Scotia, CaliforniaWed, Nov 21, 1:22 AM PST · 17116 days ago · 18 km deep · 35 km away
30. 2.247 km SW of Ferndale, CaliforniaWed, Nov 21, 4:28 AM PST · 17116 days ago · 7 km deep · 61 km away
31. 1.61 km SE of Westhaven-Moonstone, CaliforniaThu, Nov 22, 6:06 AM PST · 17115 days ago · 16 km deep · 50 km away
32. 1.64 km ENE of Westhaven-Moonstone, CaliforniaThu, Nov 22, 7:03 AM PST · 17115 days ago · 19 km deep · 54 km away
33. 1.71 km SW of Loleta, CaliforniaThu, Nov 22, 9:17 AM PST · 17115 days ago · 17 km deep · 15 km away
34. 2.136 km SSW of Ferndale, CaliforniaThu, Nov 22, 3:50 PM PST · 17115 days ago · 11 km deep · 47 km away
35. 1.5near the coast of Northern CaliforniaThu, Nov 22, 4:03 PM PST · 17115 days ago · 9 km deep · 43 km away
36. 2.65 km WNW of Junction City, CaliforniaThu, Nov 22, 11:27 PM PST · 17114 days ago · 12 km deep · 83 km away
37. 1.653 km SW of Ferndale, CaliforniaFri, Nov 23, 3:24 PM PST · 17114 days ago · 26 km deep · 67 km away
38. 1.630 km SW of Ferndale, CaliforniaFri, Nov 23, 5:26 PM PST · 17114 days ago · 30 km deep · 43 km away
39. 1.527 km WSW of Ferndale, CaliforniaFri, Nov 23, 11:17 PM PST · 17113 days ago · 27 km deep · 42 km away
40. 1.99 km ESE of Alderpoint, CaliforniaMon, Nov 26, 4:33 PM PST · 17111 days ago · 14 km deep · 69 km away
41. 2.87 km W of Rio Dell, CaliforniaTue, Nov 27, 3:25 PM PST · 17110 days ago · 20 km deep · 14 km away
42. 2.342 km SW of Ferndale, CaliforniaTue, Nov 27, 7:24 PM PST · 17110 days ago · 24 km deep · 55 km away
43. 2.267 km WSW of Ferndale, CaliforniaTue, Nov 27, 9:27 PM PST · 17109 days ago · 20 km deep · 83 km away
44. 1.920 km NE of Hydesville, CaliforniaTue, Nov 27, 11:42 PM PST · 17109 days ago · 25 km deep · 17 km away
45. 1.616 km SW of Scotia, CaliforniaFri, Nov 30, 3:42 AM PST · 17107 days ago · 29 km deep · 27 km away
46. 2.216 km SE of Alderpoint, CaliforniaFri, Nov 30, 8:02 PM PST · 17106 days ago · 20 km deep · 76 km away
47. 2.713 km NNW of Laytonville, CaliforniaMon, Dec 3, 3:42 AM PST · 17104 days ago · 6 km deep · 98 km away
48. 1.841 km SW of Ferndale, CaliforniaWed, Dec 5, 3:14 AM PST · 17102 days ago · 23 km deep · 54 km away
49. 2.070 km W of Indianola, CaliforniaThu, Dec 6, 10:58 AM PST · 17101 days ago · 4 km deep · 85 km away
50. 1.620 km SW of Ferndale, CaliforniaFri, Dec 7, 12:50 AM PST · 17100 days ago · 22 km deep · 35 km away
51. 1.58 km WNW of Fields Landing, CaliforniaFri, Dec 7, 6:45 AM PST · 17100 days ago · 24 km deep · 28 km away
52. 1.625 km S of Ruth, CaliforniaFri, Dec 7, 8:05 AM PST · 17100 days ago · 7 km deep · 90 km away
53. 1.639 km SW of Ferndale, CaliforniaFri, Dec 7, 8:32 AM PST · 17100 days ago · 18 km deep · 52 km away
54. 1.833 km SW of Ferndale, CaliforniaFri, Dec 7, 3:17 PM PST · 17100 days ago · 27 km deep · 48 km away
55. 2.838 km SW of Ferndale, CaliforniaSat, Dec 8, 5:31 AM PST · 17099 days ago · 24 km deep · 50 km away
56. 3.138 km SW of Ferndale, CaliforniaSat, Dec 8, 9:28 AM PST · 17099 days ago · 24 km deep · 50 km away
57. 2.540 km SW of Ferndale, CaliforniaSat, Dec 8, 11:00 AM PST · 17099 days ago · 21 km deep · 53 km away
58. 1.62 km W of Bayview, CaliforniaSun, Dec 9, 1:05 AM PST · 17098 days ago · 11 km deep · 24 km away
59. 2.243 km SW of Ferndale, CaliforniaSun, Dec 9, 3:33 AM PST · 17098 days ago · 23 km deep · 56 km away
60. 2.043 km SW of Ferndale, CaliforniaSun, Dec 9, 3:35 AM PST · 17098 days ago · 24 km deep · 56 km away

The first 60 of 91.

Before

1. 1.640 km W of Ferndale, CaliforniaTue, Oct 30, 7:35 PM PST · 17138 days ago · 21 km deep · 56 km away
2. 1.912 km NNW of Hayfork, CaliforniaTue, Oct 30, 8:42 AM PST · 17138 days ago · 29 km deep · 71 km away
3. 1.637 km SW of Ferndale, CaliforniaTue, Oct 30, 5:39 AM PST · 17138 days ago · 7 km deep · 48 km away
4. 1.840 km W of Ferndale, CaliforniaTue, Oct 30, 3:55 AM PST · 17138 days ago · 24 km deep · 56 km away
5. 1.811 km N of Alderpoint, CaliforniaMon, Oct 29, 7:06 PM PST · 17139 days ago · 26 km deep · 54 km away
6. 1.754 km WSW of Ferndale, CaliforniaMon, Oct 29, 7:05 AM PST · 17139 days ago · 25 km deep · 68 km away
7. 2.945 km W of Ferndale, CaliforniaMon, Oct 29, 6:37 AM PST · 17139 days ago · 24 km deep · 61 km away
8. 1.627 km WNW of Shelter Cove, CaliforniaSun, Oct 28, 8:16 PM PST · 17139 days ago · 1 km deep · 52 km away
9. 1.76 km SSE of Ferndale, CaliforniaSun, Oct 28, 2:17 PM PST · 17140 days ago · 9 km deep · 15 km away
10. 1.535 km SSW of Ferndale, CaliforniaSat, Oct 27, 4:24 AM PDT · 17141 days ago · 20 km deep · 46 km away
11. 2.731 km WSW of Ferndale, CaliforniaFri, Oct 26, 9:23 AM PDT · 17142 days ago · 22 km deep · 46 km away
12. 1.650 km W of Indianola, CaliforniaFri, Oct 26, 12:14 AM PDT · 17142 days ago · 6 km deep · 66 km away
13. 1.956 km WNW of Ferndale, CaliforniaThu, Oct 25, 9:04 PM PDT · 17142 days ago · 29 km deep · 71 km away
14. 1.544 km W of Ferndale, CaliforniaThu, Oct 25, 3:38 PM PDT · 17143 days ago · 20 km deep · 60 km away
15. 1.7near the coast of Northern CaliforniaThu, Oct 25, 2:49 PM PDT · 17143 days ago · 20 km deep · 47 km away
16. 1.935 km W of Ferndale, CaliforniaThu, Oct 25, 6:01 AM PDT · 17143 days ago · 26 km deep · 51 km away
17. 1.612 km E of Hydesville, CaliforniaThu, Oct 25, 5:27 AM PDT · 17143 days ago · 3 km deep · 12 km away
18. 1.742 km W of Ferndale, CaliforniaThu, Oct 25, 5:09 AM PDT · 17143 days ago · 19 km deep · 57 km away
19. 1.834 km WSW of Ferndale, CaliforniaThu, Oct 25, 3:37 AM PDT · 17143 days ago · 25 km deep · 49 km away
20. 4.034 km WSW of Ferndale, CaliforniaThu, Oct 25, 2:01 AM PDT · 17143 days ago · 25 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1048585. Read Thu, Oct 1, 2026, 3:26 PM UTC.