M1.7 earthquake 5 km SE of Benbow, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jul 16, 1983, 8:42 PM PDT

UTC

1983-07-17 03:42:00 UTC

Depth

15.5 km (9.6 mi), shallow

Epicenter

40.032° N, 123.740° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.38

Depth from

From location

Station coverage gap

100°

Stations used

13

• Garberville, CaliforniaPopulation 913. Forecast9 kmSSE
• Fortuna, CaliforniaPopulation 12,000. Forecast72 kmSSE
• Chico, CaliforniaPopulation 121,345. Forecast166 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast824 kmNW

After

1. 2.033 km SW of Ferndale, CaliforniaSat, Jul 16, 8:43 PM PDT · 15783 days ago · 19 km deep · 81 km away
2. 1.820 km WSW of Ferndale, CaliforniaSat, Jul 16, 10:41 PM PDT · 15783 days ago · 22 km deep · 80 km away
3. 1.633 km SSW of Ferndale, CaliforniaSat, Jul 16, 10:47 PM PDT · 15782 days ago · 19 km deep · 67 km away
4. 1.715 km WSW of Ferndale, CaliforniaSun, Jul 17, 12:43 AM PDT · 15782 days ago · 22 km deep · 81 km away
5. 1.637 km SSW of Ferndale, CaliforniaSun, Jul 17, 3:46 AM PDT · 15782 days ago · 14 km deep · 68 km away
6. 1.617 km SSW of Ferndale, CaliforniaSun, Jul 17, 1:12 PM PDT · 15782 days ago · 24 km deep · 70 km away
7. 2.34 km SE of Benbow, CaliforniaMon, Jul 18, 11:42 PM PDT · 15780 days ago · 15 km deep · 1 km away
8. 2.05 km SSW of Laytonville, CaliforniaTue, Jul 19, 5:20 AM PDT · 15780 days ago · 4 km deep · 48 km away
9. 2.7near the coast of Northern CaliforniaTue, Jul 19, 6:01 AM PDT · 15780 days ago · 24 km deep · 78 km away
10. 2.15 km S of Laytonville, CaliforniaTue, Jul 19, 6:41 AM PDT · 15780 days ago · 3 km deep · 49 km away
11. 1.66 km SSW of Laytonville, CaliforniaTue, Jul 19, 8:39 AM PDT · 15780 days ago · -1 km deep · 49 km away
12. 2.15 km S of Laytonville, CaliforniaTue, Jul 19, 5:59 PM PDT · 15780 days ago · 3 km deep · 49 km away
13. 1.73 km SE of Benbow, CaliforniaTue, Jul 19, 6:14 PM PDT · 15780 days ago · 15 km deep · 2 km away
14. 2.24 km SE of Blue Lake, CaliforniaWed, Jul 20, 4:47 AM PDT · 15779 days ago · 62 km deep · 93 km away
15. 1.927 km SW of Ferndale, CaliforniaWed, Jul 20, 9:25 AM PDT · 15779 days ago · 17 km deep · 73 km away
16. 2.033 km SSW of Ferndale, CaliforniaWed, Jul 20, 2:12 PM PDT · 15779 days ago · 22 km deep · 66 km away
17. 3.016 km WSW of Ferndale, CaliforniaWed, Jul 20, 4:25 PM PDT · 15779 days ago · 22 km deep · 78 km away
18. 1.63 km WSW of Calpella, CaliforniaWed, Jul 20, 5:31 PM PDT · 15779 days ago · 8 km deep · 100 km away
19. 1.56 km SSW of Ferndale, CaliforniaWed, Jul 20, 9:23 PM PDT · 15779 days ago · 24 km deep · 72 km away
20. 1.713 km E of Cleone, CaliforniaThu, Jul 21, 2:36 PM PDT · 15778 days ago · 1 km deep · 59 km away
21. 2.012 km W of Laytonville, CaliforniaThu, Jul 21, 6:14 PM PDT · 15778 days ago · 2 km deep · 37 km away
22. 1.715 km WNW of Laytonville, CaliforniaThu, Jul 21, 6:15 PM PDT · 15778 days ago · 4 km deep · 35 km away
23. 1.715 km SSE of Leggett, CaliforniaThu, Jul 21, 6:16 PM PDT · 15778 days ago · 4 km deep · 34 km away
24. 1.621 km NE of Hydesville, CaliforniaFri, Jul 22, 1:28 AM PDT · 15777 days ago · 21 km deep · 71 km away
25. 1.76 km E of Pine Hills, CaliforniaFri, Jul 22, 8:55 AM PDT · 15777 days ago · 24 km deep · 83 km away
26. 2.114 km WSW of Leggett, CaliforniaSat, Jul 23, 6:04 AM PDT · 15776 days ago · -1 km deep · 26 km away
27. 1.812 km WSW of Willow Creek, CaliforniaSat, Jul 23, 7:52 PM PDT · 15776 days ago · 8 km deep · 98 km away
28. 2.517 km SW of Willow Creek, CaliforniaSun, Jul 24, 12:43 AM PDT · 15775 days ago · 25 km deep · 90 km away
29. 2.522 km W of Indianola, CaliforniaSun, Jul 24, 5:11 PM PDT · 15775 days ago · 20 km deep · 99 km away
30. 1.71 km SSW of Redwood Valley, CaliforniaMon, Jul 25, 1:35 AM PDT · 15774 days ago · 0 km deep · 98 km away
31. 2.035 km SW of Scotia, CaliforniaMon, Jul 25, 3:59 AM PDT · 15774 days ago · 23 km deep · 64 km away
32. 1.931 km SW of Ferndale, CaliforniaMon, Jul 25, 5:01 PM PDT · 15774 days ago · 22 km deep · 75 km away
33. 2.646 km SW of Ferndale, CaliforniaTue, Jul 26, 3:21 PM PDT · 15773 days ago · 17 km deep · 90 km away
34. 2.25 km NW of Laytonville, CaliforniaTue, Jul 26, 8:36 PM PDT · 15773 days ago · 8 km deep · 39 km away
35. 3.027 km SSW of Ferndale, CaliforniaWed, Jul 27, 1:10 AM PDT · 15772 days ago · 18 km deep · 68 km away
36. 2.010 km ESE of Leggett, CaliforniaWed, Jul 27, 3:13 AM PDT · 15772 days ago · 5 km deep · 26 km away
37. 2.08 km ESE of Leggett, CaliforniaWed, Jul 27, 5:08 AM PDT · 15772 days ago · 2 km deep · 25 km away
38. 2.015 km SW of Scotia, CaliforniaWed, Jul 27, 1:11 PM PDT · 15772 days ago · 34 km deep · 55 km away
39. 3.117 km WSW of Ferndale, CaliforniaFri, Jul 29, 3:56 AM PDT · 15770 days ago · 17 km deep · 80 km away
40. 1.624 km SW of Ferndale, CaliforniaFri, Jul 29, 5:16 AM PDT · 15770 days ago · 19 km deep · 79 km away
41. 1.717 km SW of Ferndale, CaliforniaFri, Jul 29, 5:03 PM PDT · 15770 days ago · 26 km deep · 74 km away
42. 1.930 km WSW of Ferndale, CaliforniaSat, Jul 30, 7:20 PM PDT · 15769 days ago · 20 km deep · 91 km away
43. 1.512 km SW of Scotia, CaliforniaSun, Jul 31, 12:56 AM PDT · 15768 days ago · 7 km deep · 58 km away
44. 1.712 km NNE of Redcrest, CaliforniaSun, Jul 31, 9:31 PM PDT · 15768 days ago · 18 km deep · 54 km away
45. 1.59 km NW of Redwood Valley, CaliforniaSun, Jul 31, 10:56 PM PDT · 15767 days ago · 6 km deep · 88 km away
46. 1.917 km W of Ferndale, CaliforniaMon, Aug 1, 10:07 AM PDT · 15767 days ago · 24 km deep · 84 km away
47. 2.318 km WSW of Weott, CaliforniaMon, Aug 1, 10:18 AM PDT · 15767 days ago · 13 km deep · 38 km away
48. 1.725 km SW of Ferndale, CaliforniaTue, Aug 2, 1:09 PM PDT · 15766 days ago · 25 km deep · 76 km away
49. 1.613 km SW of Ferndale, CaliforniaTue, Aug 2, 4:56 PM PDT · 15766 days ago · 19 km deep · 74 km away
50. 1.914 km N of Potter Valley, CaliforniaThu, Aug 4, 3:46 AM PDT · 15764 days ago · 8 km deep · 84 km away
51. 2.230 km SSW of Ferndale, CaliforniaThu, Aug 4, 5:45 PM PDT · 15764 days ago · 19 km deep · 70 km away
52. 1.67 km ENE of Brooktrails, CaliforniaFri, Aug 5, 8:33 AM PDT · 15763 days ago · 8 km deep · 71 km away
53. 1.915 km SW of Ferndale, CaliforniaFri, Aug 5, 12:54 PM PDT · 15763 days ago · 19 km deep · 74 km away
54. 1.78 km NW of Redwood Valley, CaliforniaFri, Aug 5, 8:20 PM PDT · 15763 days ago · 5 km deep · 88 km away
55. 2.03 km SE of Benbow, CaliforniaSat, Aug 6, 3:05 AM PDT · 15762 days ago · 15 km deep · 2 km away
56. 1.929 km SW of Scotia, CaliforniaSat, Aug 6, 2:21 PM PDT · 15762 days ago · 21 km deep · 59 km away
57. 1.547 km SW of Ferndale, CaliforniaSat, Aug 6, 8:46 PM PDT · 15762 days ago · 13 km deep · 77 km away
58. 2.437 km SW of Ferndale, CaliforniaSun, Aug 7, 2:44 AM PDT · 15761 days ago · 22 km deep · 75 km away
59. 2.337 km SW of Ferndale, CaliforniaSun, Aug 7, 3:27 AM PDT · 15761 days ago · 22 km deep · 75 km away
60. 2.425 km SW of Ferndale, CaliforniaSun, Aug 7, 9:04 AM PDT · 15761 days ago · 21 km deep · 79 km away

The first 60 of at least 199.

Before

1. 2.04 km SE of Benbow, CaliforniaSat, Jul 16, 8:27 PM PDT · 15783 days ago · 15 km deep · 1 km away
2. 2.715 km NNW of Hayfork, CaliforniaSat, Jul 16, 7:22 PM PDT · 15783 days ago · 21 km deep · 82 km away
3. 1.62 km SE of Redwood Valley, CaliforniaSat, Jul 16, 3:43 PM PDT · 15783 days ago · 6 km deep · 99 km away
4. 1.636 km SSW of Ferndale, CaliforniaSat, Jul 16, 3:15 PM PDT · 15783 days ago · 4 km deep · 68 km away
5. 1.73 km W of Rio Dell, CaliforniaSat, Jul 16, 5:56 AM PDT · 15783 days ago · 20 km deep · 63 km away
6. 1.76 km E of Redcrest, CaliforniaSat, Jul 16, 5:38 AM PDT · 15783 days ago · 23 km deep · 42 km away
7. 2.127 km SW of Ferndale, CaliforniaFri, Jul 15, 9:14 AM PDT · 15784 days ago · 27 km deep · 78 km away
8. 1.618 km WSW of Scotia, CaliforniaFri, Jul 15, 1:31 AM PDT · 15784 days ago · 20 km deep · 63 km away
9. 2.63 km SE of Benbow, CaliforniaFri, Jul 15, 12:18 AM PDT · 15784 days ago · 15 km deep · 2 km away
10. 3.53 km SSE of Benbow, CaliforniaFri, Jul 15, 12:16 AM PDT · 15784 days ago · 15 km deep · 2 km away
11. 2.17 km SW of Benbow, CaliforniaFri, Jul 15, 12:01 AM PDT · 15784 days ago · -1 km deep · 9 km away
12. 2.03 km N of Mad River, CaliforniaThu, Jul 14, 8:10 PM PDT · 15785 days ago · -1 km deep · 54 km away
13. 1.82 km ESE of Laytonville, CaliforniaWed, Jul 13, 12:23 AM PDT · 15786 days ago · 8 km deep · 46 km away
14. 1.816 km ENE of Potter Valley, CaliforniaTue, Jul 12, 10:12 PM PDT · 15787 days ago · 10 km deep · 99 km away
15. 2.19 km N of Mad River, CaliforniaTue, Jul 12, 4:10 PM PDT · 15787 days ago · 4 km deep · 60 km away
16. 2.130 km WSW of Leggett, CaliforniaTue, Jul 12, 3:38 PM PDT · 15787 days ago · 0 km deep · 40 km away
17. 1.916 km SW of Scotia, CaliforniaTue, Jul 12, 3:09 PM PDT · 15787 days ago · 25 km deep · 57 km away
18. 2.59 km WSW of Ferndale, CaliforniaTue, Jul 12, 10:55 AM PDT · 15787 days ago · 25 km deep · 77 km away
19. 1.54 km NW of Redwood Valley, CaliforniaTue, Jul 12, 10:00 AM PDT · 15787 days ago · 6 km deep · 92 km away
20. 1.522 km WNW of Elk Creek, CaliforniaTue, Jul 12, 7:50 AM PDT · 15787 days ago · 4 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1098702. Read Thu, Oct 1, 2026, 5:14 PM UTC.