M1.7 earthquake 12 km SW of Huron, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Aug 29, 1983, 11:18 PM PDT

UTC

1983-08-30 06:18:40 UTC

Depth

5.9 km (3.7 mi), shallow

Epicenter

36.127° N, 120.208° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

90°

Stations used

19

• Huron, CaliforniaPopulation 6,836. Forecast13 kmSW
• Coalinga, CaliforniaPopulation 16,564. Forecast14 kmE
• Fresno, CaliforniaPopulation 542,107. Forecast79 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast292 kmNW

After

1. 2.215 km NNW of Coalinga, CaliforniaTue, Aug 30, 3:46 AM PDT · 15739 days ago · 10 km deep · 24 km away
2. 2.523 km WNW of Three Rocks, CaliforniaTue, Aug 30, 12:20 PM PDT · 15739 days ago · 10 km deep · 64 km away
3. 1.710 km WNW of Corcoran, CaliforniaTue, Aug 30, 1:02 PM PDT · 15738 days ago · 2 km deep · 48 km away
4. 1.911 km E of Coalinga, CaliforniaTue, Aug 30, 1:23 PM PDT · 15738 days ago · 9 km deep · 4 km away
5. 2.010 km NW of Coalinga, CaliforniaTue, Aug 30, 2:17 PM PDT · 15738 days ago · 4 km deep · 22 km away
6. 2.311 km NNE of Coalinga, CaliforniaTue, Aug 30, 5:48 PM PDT · 15738 days ago · 9 km deep · 15 km away
7. 1.914 km WSW of Three Rocks, CaliforniaTue, Aug 30, 10:28 PM PDT · 15738 days ago · 19 km deep · 48 km away
8. 2.224 km ENE of Greenfield, CaliforniaWed, Aug 31, 6:32 AM PDT · 15738 days ago · 5 km deep · 80 km away
9. 2.417 km NNW of Coalinga, CaliforniaWed, Aug 31, 9:17 AM PDT · 15738 days ago · 9 km deep · 26 km away
10. 1.67 km NNE of Coalinga, CaliforniaWed, Aug 31, 9:26 AM PDT · 15738 days ago · 11 km deep · 12 km away
11. 1.87 km SSW of Huron, CaliforniaWed, Aug 31, 11:42 AM PDT · 15738 days ago · 4 km deep · 6 km away
12. 2.07 km ENE of Coalinga, CaliforniaThu, Sep 1, 12:36 AM PDT · 15737 days ago · 8 km deep · 9 km away
13. 1.99 km SW of Huron, CaliforniaThu, Sep 1, 6:36 AM PDT · 15737 days ago · 2 km deep · 3 km away
14. 1.911 km E of Coalinga, CaliforniaThu, Sep 1, 6:59 AM PDT · 15737 days ago · 9 km deep · 4 km away
15. 1.97 km W of Kettleman City, CaliforniaThu, Sep 1, 7:27 AM PDT · 15737 days ago · 21 km deep · 21 km away
16. 2.111 km N of Coalinga, CaliforniaThu, Sep 1, 7:42 AM PDT · 15737 days ago · 8 km deep · 20 km away
17. 1.611 km WNW of Huron, CaliforniaThu, Sep 1, 9:59 AM PDT · 15737 days ago · 4 km deep · 13 km away
18. 1.612 km WNW of Huron, CaliforniaThu, Sep 1, 10:48 AM PDT · 15737 days ago · 9 km deep · 12 km away
19. 3.316 km N of Coalinga, CaliforniaThu, Sep 1, 4:04 PM PDT · 15736 days ago · 9 km deep · 24 km away
20. 1.512 km NE of Coalinga, CaliforniaThu, Sep 1, 6:39 PM PDT · 15736 days ago · 7 km deep · 11 km away
21. 2.317 km NNW of Coalinga, CaliforniaThu, Sep 1, 11:08 PM PDT · 15736 days ago · 8 km deep · 26 km away
22. 1.69 km NE of Coalinga, CaliforniaFri, Sep 2, 2:52 AM PDT · 15736 days ago · 6 km deep · 10 km away
23. 1.615 km NNW of Coalinga, CaliforniaFri, Sep 2, 6:43 AM PDT · 15736 days ago · 10 km deep · 25 km away
24. 2.110 km N of Coalinga, CaliforniaFri, Sep 2, 9:53 AM PDT · 15736 days ago · 7 km deep · 20 km away
25. 1.817 km NNW of Coalinga, CaliforniaFri, Sep 2, 2:37 PM PDT · 15735 days ago · 8 km deep · 26 km away
26. 1.624 km NE of Greenfield, CaliforniaFri, Sep 2, 6:05 PM PDT · 15735 days ago · 5 km deep · 86 km away
27. 3.07 km E of Coalinga, CaliforniaSat, Sep 3, 1:34 AM PDT · 15735 days ago · 7 km deep · 7 km away
28. 1.99 km E of Coalinga, CaliforniaSat, Sep 3, 1:43 AM PDT · 15735 days ago · 8 km deep · 5 km away
29. 2.58 km WSW of Huron, CaliforniaSat, Sep 3, 3:22 AM PDT · 15735 days ago · 4 km deep · 5 km away
30. 1.610 km ENE of Coalinga, CaliforniaSat, Sep 3, 11:40 AM PDT · 15735 days ago · 9 km deep · 5 km away
31. 1.99 km ENE of Coalinga, CaliforniaSat, Sep 3, 11:57 AM PDT · 15735 days ago · 8 km deep · 6 km away
32. 1.69 km E of Coalinga, CaliforniaSat, Sep 3, 12:00 PM PDT · 15735 days ago · 7 km deep · 5 km away
33. 1.810 km W of Huron, CaliforniaSat, Sep 3, 4:44 PM PDT · 15734 days ago · 8 km deep · 9 km away
34. 1.512 km NW of Coalinga, CaliforniaSun, Sep 4, 12:49 AM PDT · 15734 days ago · 4 km deep · 24 km away
35. 1.96 km NE of Coalinga, CaliforniaSun, Sep 4, 1:51 AM PDT · 15734 days ago · 9 km deep · 12 km away
36. 1.617 km NNW of Coalinga, CaliforniaSun, Sep 4, 3:26 AM PDT · 15734 days ago · 10 km deep · 26 km away
37. 1.917 km NNW of Coalinga, CaliforniaSun, Sep 4, 12:28 PM PDT · 15734 days ago · 7 km deep · 26 km away
38. 3.36 km NE of Coalinga, CaliforniaSun, Sep 4, 3:40 PM PDT · 15733 days ago · 8 km deep · 11 km away
39. 1.77 km NE of Coalinga, CaliforniaSun, Sep 4, 3:46 PM PDT · 15733 days ago · 7 km deep · 11 km away
40. 2.014 km NNW of Coalinga, CaliforniaSun, Sep 4, 11:47 PM PDT · 15733 days ago · 4 km deep · 24 km away
41. 1.514 km N of Coalinga, CaliforniaMon, Sep 5, 3:11 AM PDT · 15733 days ago · 8 km deep · 22 km away
42. 1.916 km N of Coalinga, CaliforniaMon, Sep 5, 4:10 AM PDT · 15733 days ago · 9 km deep · 24 km away
43. 1.916 km NNW of Coalinga, CaliforniaTue, Sep 6, 12:19 AM PDT · 15732 days ago · 8 km deep · 24 km away
44. 1.77 km NW of Huron, CaliforniaTue, Sep 6, 1:06 AM PDT · 15732 days ago · 8 km deep · 13 km away
45. 2.413 km N of Coalinga, CaliforniaTue, Sep 6, 1:55 AM PDT · 15732 days ago · 9 km deep · 20 km away
46. 1.923 km NE of San Ardo, CaliforniaTue, Sep 6, 3:52 AM PDT · 15732 days ago · 7 km deep · 50 km away
47. 1.911 km WSW of Huron, CaliforniaTue, Sep 6, 4:12 AM PDT · 15732 days ago · 13 km deep · 6 km away
48. 2.223 km NE of San Ardo, CaliforniaTue, Sep 6, 4:17 AM PDT · 15732 days ago · 7 km deep · 50 km away
49. 2.011 km NNE of Coalinga, CaliforniaTue, Sep 6, 5:55 AM PDT · 15732 days ago · 7 km deep · 15 km away
50. 1.78 km E of Coalinga, CaliforniaTue, Sep 6, 10:26 AM PDT · 15732 days ago · 8 km deep · 6 km away
51. 1.810 km NE of Coalinga, CaliforniaTue, Sep 6, 3:39 PM PDT · 15731 days ago · 8 km deep · 11 km away
52. 2.013 km NE of Coalinga, CaliforniaTue, Sep 6, 3:41 PM PDT · 15731 days ago · 7 km deep · 11 km away
53. 2.59 km NE of Coalinga, CaliforniaTue, Sep 6, 6:15 PM PDT · 15731 days ago · 9 km deep · 9 km away
54. 1.516 km NNW of Coalinga, CaliforniaWed, Sep 7, 8:03 AM PDT · 15731 days ago · 7 km deep · 25 km away
55. 1.814 km NE of Coalinga, CaliforniaWed, Sep 7, 9:49 AM PDT · 15731 days ago · 1 km deep · 12 km away
56. 3.617 km NNW of Coalinga, CaliforniaWed, Sep 7, 4:07 PM PDT · 15730 days ago · 12 km deep · 28 km away
57. 2.27 km WSW of Huron, CaliforniaThu, Sep 8, 9:19 AM PDT · 15730 days ago · 4 km deep · 6 km away
58. 1.715 km NNW of Coalinga, CaliforniaThu, Sep 8, 4:30 PM PDT · 15729 days ago · 9 km deep · 27 km away
59. 2.69 km N of Coalinga, CaliforniaThu, Sep 8, 8:25 PM PDT · 15729 days ago · 11 km deep · 18 km away
60. 1.713 km N of Coalinga, CaliforniaThu, Sep 8, 9:15 PM PDT · 15729 days ago · 11 km deep · 19 km away

The first 60 of at least 199.

Before

1. 2.519 km NNW of Coalinga, CaliforniaMon, Aug 29, 7:44 PM PDT · 15739 days ago · 9 km deep · 30 km away
2. 1.63 km WSW of Huron, CaliforniaMon, Aug 29, 6:26 PM PDT · 15739 days ago · 7 km deep · 10 km away
3. 1.610 km N of Coalinga, CaliforniaMon, Aug 29, 10:05 AM PDT · 15740 days ago · 8 km deep · 17 km away
4. 1.517 km SW of King City, CaliforniaMon, Aug 29, 3:18 AM PDT · 15740 days ago · 1 km deep · 96 km away
5. 2.111 km E of Coalinga, CaliforniaSun, Aug 28, 10:24 PM PDT · 15740 days ago · 6 km deep · 2 km away
6. 1.98 km NW of Coalinga, CaliforniaSun, Aug 28, 10:11 PM PDT · 15740 days ago · 7 km deep · 21 km away
7. 1.78 km NNW of Coalinga, CaliforniaSun, Aug 28, 10:19 AM PDT · 15741 days ago · 8 km deep · 19 km away
8. 1.610 km ENE of Coalinga, CaliforniaSun, Aug 28, 8:32 AM PDT · 15741 days ago · 9 km deep · 7 km away
9. 2.58 km E of Coalinga, CaliforniaSun, Aug 28, 5:50 AM PDT · 15741 days ago · 10 km deep · 5 km away
10. 1.611 km SW of Huron, CaliforniaSun, Aug 28, 12:23 AM PDT · 15741 days ago · 7 km deep · 2 km away
11. 1.813 km N of Coalinga, CaliforniaSat, Aug 27, 7:44 PM PDT · 15741 days ago · 9 km deep · 20 km away
12. 1.68 km SW of Kettleman City, CaliforniaSat, Aug 27, 4:52 PM PDT · 15741 days ago · 12 km deep · 26 km away
13. 2.811 km NNW of Avenal, CaliforniaSat, Aug 27, 2:28 PM PDT · 15741 days ago · 6 km deep · 4 km away
14. 1.79 km E of Coalinga, CaliforniaSat, Aug 27, 12:47 PM PDT · 15741 days ago · 7 km deep · 4 km away
15. 1.611 km NE of Coalinga, CaliforniaSat, Aug 27, 11:09 AM PDT · 15742 days ago · 7 km deep · 11 km away
16. 2.015 km NNW of Coalinga, CaliforniaSat, Aug 27, 11:07 AM PDT · 15742 days ago · 9 km deep · 24 km away
17. 1.618 km N of Coalinga, CaliforniaSat, Aug 27, 7:53 AM PDT · 15742 days ago · 10 km deep · 23 km away
18. 2.17 km ENE of Coalinga, CaliforniaFri, Aug 26, 10:24 PM PDT · 15742 days ago · 8 km deep · 9 km away
19. 1.64 km SSW of Huron, CaliforniaFri, Aug 26, 8:34 PM PDT · 15742 days ago · 6 km deep · 9 km away
20. 2.924 km NE of Greenfield, CaliforniaFri, Aug 26, 4:45 PM PDT · 15742 days ago · 1 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1101539 (also filed as ci20959). Read Fri, Oct 2, 2026, 7:08 AM UTC.