M2.1 earthquake 7 km SW of Benbow, California

Magnitude

2.1 (md), micro

Local time

Fri, Jul 15, 1983, 12:01 AM PDT

UTC

1983-07-15 07:01:40 UTC

Depth

-0.8 km (-0.5 mi), shallow

Epicenter

40.023° N, 123.851° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 8.8 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

153°

Stations used

7

• Garberville, CaliforniaPopulation 913. Forecast10 kmSSW
• Fortuna, CaliforniaPopulation 12,000. Forecast69 kmSSE
• Chico, CaliforniaPopulation 121,345. Forecast175 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast829 kmNW

After

1. 3.53 km SSE of Benbow, CaliforniaFri, Jul 15, 12:16 AM PDT · 15783 days ago · 15 km deep · 8 km away
2. 2.63 km SE of Benbow, CaliforniaFri, Jul 15, 12:18 AM PDT · 15783 days ago · 15 km deep · 8 km away
3. 1.618 km WSW of Scotia, CaliforniaFri, Jul 15, 1:31 AM PDT · 15783 days ago · 20 km deep · 57 km away
4. 2.127 km SW of Ferndale, CaliforniaFri, Jul 15, 9:14 AM PDT · 15783 days ago · 27 km deep · 71 km away
5. 1.76 km E of Redcrest, CaliforniaSat, Jul 16, 5:38 AM PDT · 15782 days ago · 23 km deep · 42 km away
6. 1.73 km W of Rio Dell, CaliforniaSat, Jul 16, 5:56 AM PDT · 15782 days ago · 20 km deep · 59 km away
7. 1.636 km SSW of Ferndale, CaliforniaSat, Jul 16, 3:15 PM PDT · 15782 days ago · 4 km deep · 60 km away
8. 2.715 km NNW of Hayfork, CaliforniaSat, Jul 16, 7:22 PM PDT · 15782 days ago · 21 km deep · 88 km away
9. 2.04 km SE of Benbow, CaliforniaSat, Jul 16, 8:27 PM PDT · 15782 days ago · 15 km deep · 8 km away
10. 1.75 km SE of Benbow, CaliforniaSat, Jul 16, 8:42 PM PDT · 15782 days ago · 15 km deep · 9 km away
11. 2.033 km SW of Ferndale, CaliforniaSat, Jul 16, 8:43 PM PDT · 15782 days ago · 19 km deep · 74 km away
12. 1.820 km WSW of Ferndale, CaliforniaSat, Jul 16, 10:41 PM PDT · 15781 days ago · 22 km deep · 74 km away
13. 1.633 km SSW of Ferndale, CaliforniaSat, Jul 16, 10:47 PM PDT · 15781 days ago · 19 km deep · 59 km away
14. 1.715 km WSW of Ferndale, CaliforniaSun, Jul 17, 12:43 AM PDT · 15781 days ago · 22 km deep · 75 km away
15. 1.637 km SSW of Ferndale, CaliforniaSun, Jul 17, 3:46 AM PDT · 15781 days ago · 14 km deep · 60 km away
16. 1.617 km SSW of Ferndale, CaliforniaSun, Jul 17, 1:12 PM PDT · 15781 days ago · 24 km deep · 64 km away
17. 2.34 km SE of Benbow, CaliforniaMon, Jul 18, 11:42 PM PDT · 15779 days ago · 15 km deep · 9 km away
18. 2.05 km SSW of Laytonville, CaliforniaTue, Jul 19, 5:20 AM PDT · 15779 days ago · 4 km deep · 52 km away
19. 2.7near the coast of Northern CaliforniaTue, Jul 19, 6:01 AM PDT · 15779 days ago · 24 km deep · 70 km away
20. 2.15 km S of Laytonville, CaliforniaTue, Jul 19, 6:41 AM PDT · 15779 days ago · 3 km deep · 53 km away
21. 1.66 km SSW of Laytonville, CaliforniaTue, Jul 19, 8:39 AM PDT · 15779 days ago · -1 km deep · 53 km away
22. 2.15 km S of Laytonville, CaliforniaTue, Jul 19, 5:59 PM PDT · 15779 days ago · 3 km deep · 53 km away
23. 1.73 km SE of Benbow, CaliforniaTue, Jul 19, 6:14 PM PDT · 15779 days ago · 15 km deep · 9 km away
24. 2.24 km SE of Blue Lake, CaliforniaWed, Jul 20, 4:47 AM PDT · 15778 days ago · 62 km deep · 92 km away
25. 1.927 km SW of Ferndale, CaliforniaWed, Jul 20, 9:25 AM PDT · 15778 days ago · 17 km deep · 66 km away
26. 2.033 km SSW of Ferndale, CaliforniaWed, Jul 20, 2:12 PM PDT · 15778 days ago · 22 km deep · 59 km away
27. 3.016 km WSW of Ferndale, CaliforniaWed, Jul 20, 4:25 PM PDT · 15778 days ago · 22 km deep · 72 km away
28. 1.56 km SSW of Ferndale, CaliforniaWed, Jul 20, 9:23 PM PDT · 15778 days ago · 24 km deep · 67 km away
29. 1.713 km E of Cleone, CaliforniaThu, Jul 21, 2:36 PM PDT · 15777 days ago · 1 km deep · 60 km away
30. 2.012 km W of Laytonville, CaliforniaThu, Jul 21, 6:14 PM PDT · 15777 days ago · 2 km deep · 40 km away
31. 1.715 km WNW of Laytonville, CaliforniaThu, Jul 21, 6:15 PM PDT · 15777 days ago · 4 km deep · 37 km away
32. 1.715 km SSE of Leggett, CaliforniaThu, Jul 21, 6:16 PM PDT · 15777 days ago · 4 km deep · 36 km away
33. 1.621 km NE of Hydesville, CaliforniaFri, Jul 22, 1:28 AM PDT · 15776 days ago · 21 km deep · 70 km away
34. 1.76 km E of Pine Hills, CaliforniaFri, Jul 22, 8:55 AM PDT · 15776 days ago · 24 km deep · 81 km away
35. 2.114 km WSW of Leggett, CaliforniaSat, Jul 23, 6:04 AM PDT · 15775 days ago · -1 km deep · 23 km away
36. 1.812 km WSW of Willow Creek, CaliforniaSat, Jul 23, 7:52 PM PDT · 15775 days ago · 8 km deep · 100 km away
37. 2.517 km SW of Willow Creek, CaliforniaSun, Jul 24, 12:43 AM PDT · 15774 days ago · 25 km deep · 91 km away
38. 2.522 km W of Indianola, CaliforniaSun, Jul 24, 5:11 PM PDT · 15774 days ago · 20 km deep · 93 km away
39. 1.626 km W of Indianola, CaliforniaSun, Jul 24, 5:13 PM PDT · 15774 days ago · 21 km deep · 95 km away
40. 2.035 km SW of Scotia, CaliforniaMon, Jul 25, 3:59 AM PDT · 15773 days ago · 23 km deep · 56 km away
41. 1.931 km SW of Ferndale, CaliforniaMon, Jul 25, 5:01 PM PDT · 15773 days ago · 22 km deep · 67 km away
42. 2.646 km SW of Ferndale, CaliforniaTue, Jul 26, 3:21 PM PDT · 15772 days ago · 17 km deep · 81 km away
43. 2.25 km NW of Laytonville, CaliforniaTue, Jul 26, 8:36 PM PDT · 15772 days ago · 8 km deep · 43 km away
44. 3.027 km SSW of Ferndale, CaliforniaWed, Jul 27, 1:10 AM PDT · 15771 days ago · 18 km deep · 61 km away
45. 2.010 km ESE of Leggett, CaliforniaWed, Jul 27, 3:13 AM PDT · 15771 days ago · 5 km deep · 31 km away
46. 2.08 km ESE of Leggett, CaliforniaWed, Jul 27, 5:08 AM PDT · 15771 days ago · 2 km deep · 29 km away
47. 2.015 km SW of Scotia, CaliforniaWed, Jul 27, 1:11 PM PDT · 15771 days ago · 34 km deep · 50 km away
48. 3.117 km WSW of Ferndale, CaliforniaFri, Jul 29, 3:56 AM PDT · 15769 days ago · 17 km deep · 74 km away
49. 1.624 km SW of Ferndale, CaliforniaFri, Jul 29, 5:16 AM PDT · 15769 days ago · 19 km deep · 72 km away
50. 1.717 km SW of Ferndale, CaliforniaFri, Jul 29, 5:03 PM PDT · 15769 days ago · 26 km deep · 68 km away
51. 1.930 km WSW of Ferndale, CaliforniaSat, Jul 30, 7:20 PM PDT · 15768 days ago · 20 km deep · 84 km away
52. 1.512 km SW of Scotia, CaliforniaSun, Jul 31, 12:56 AM PDT · 15767 days ago · 7 km deep · 53 km away
53. 1.743 km W of Ferndale, CaliforniaSun, Jul 31, 1:14 AM PDT · 15767 days ago · 4 km deep · 97 km away
54. 1.712 km NNE of Redcrest, CaliforniaSun, Jul 31, 9:31 PM PDT · 15767 days ago · 18 km deep · 53 km away
55. 1.59 km NW of Redwood Valley, CaliforniaSun, Jul 31, 10:56 PM PDT · 15766 days ago · 6 km deep · 92 km away
56. 1.917 km W of Ferndale, CaliforniaMon, Aug 1, 10:07 AM PDT · 15766 days ago · 24 km deep · 78 km away
57. 2.318 km WSW of Weott, CaliforniaMon, Aug 1, 10:18 AM PDT · 15766 days ago · 13 km deep · 32 km away
58. 1.725 km SW of Ferndale, CaliforniaTue, Aug 2, 1:09 PM PDT · 15765 days ago · 25 km deep · 69 km away
59. 1.613 km SW of Ferndale, CaliforniaTue, Aug 2, 4:56 PM PDT · 15765 days ago · 19 km deep · 68 km away
60. 1.914 km N of Potter Valley, CaliforniaThu, Aug 4, 3:46 AM PDT · 15763 days ago · 8 km deep · 90 km away

The first 60 of at least 200.

Before

1. 2.03 km N of Mad River, CaliforniaThu, Jul 14, 8:10 PM PDT · 15784 days ago · -1 km deep · 59 km away
2. 1.82 km ESE of Laytonville, CaliforniaWed, Jul 13, 12:23 AM PDT · 15785 days ago · 8 km deep · 51 km away
3. 2.19 km N of Mad River, CaliforniaTue, Jul 12, 4:10 PM PDT · 15786 days ago · 4 km deep · 64 km away
4. 2.130 km WSW of Leggett, CaliforniaTue, Jul 12, 3:38 PM PDT · 15786 days ago · 0 km deep · 33 km away
5. 1.916 km SW of Scotia, CaliforniaTue, Jul 12, 3:09 PM PDT · 15786 days ago · 25 km deep · 51 km away
6. 2.59 km WSW of Ferndale, CaliforniaTue, Jul 12, 10:55 AM PDT · 15786 days ago · 25 km deep · 72 km away
7. 1.54 km NW of Redwood Valley, CaliforniaTue, Jul 12, 10:00 AM PDT · 15786 days ago · 6 km deep · 96 km away
8. 1.522 km WNW of Elk Creek, CaliforniaTue, Jul 12, 7:50 AM PDT · 15786 days ago · 4 km deep · 100 km away
9. 2.222 km W of Elk Creek, CaliforniaTue, Jul 12, 7:49 AM PDT · 15786 days ago · 4 km deep · 100 km away
10. 1.820 km SE of Indianola, CaliforniaSun, Jul 10, 12:43 PM PDT · 15788 days ago · 22 km deep · 76 km away
11. 1.9near the coast of Northern CaliforniaSun, Jul 10, 7:20 AM PDT · 15788 days ago · 19 km deep · 65 km away
12. 2.6near the coast of Northern CaliforniaSat, Jul 9, 3:46 PM PDT · 15789 days ago · 8 km deep · 63 km away
13. 1.92 km S of Mad River, CaliforniaSat, Jul 9, 11:43 AM PDT · 15789 days ago · 22 km deep · 54 km away
14. 1.86 km S of Laytonville, CaliforniaSat, Jul 9, 8:50 AM PDT · 15789 days ago · 1 km deep · 53 km away
15. 2.11 km SW of Fields Landing, CaliforniaFri, Jul 8, 6:05 AM PDT · 15790 days ago · 9 km deep · 83 km away
16. 1.80 km SSW of Fields Landing, CaliforniaFri, Jul 8, 5:42 AM PDT · 15790 days ago · 9 km deep · 83 km away
17. 1.91 km SSW of Fields Landing, CaliforniaFri, Jul 8, 5:14 AM PDT · 15790 days ago · 10 km deep · 83 km away
18. 2.61 km WSW of Fields Landing, CaliforniaFri, Jul 8, 4:46 AM PDT · 15790 days ago · 10 km deep · 84 km away
19. 1.61 km SSW of Fields Landing, CaliforniaFri, Jul 8, 3:44 AM PDT · 15790 days ago · 9 km deep · 83 km away
20. 1.626 km SSW of Ferndale, CaliforniaThu, Jul 7, 9:53 PM PDT · 15791 days ago · 19 km deep · 60 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1098587. Read Wed, Sep 30, 2026, 4:42 PM UTC.