M1.6 earthquake 32 km NW of Benton, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Aug 20, 1983, 7:18 AM PDT

UTC

1983-08-20 14:18:56 UTC

Depth

1.4 km (0.9 mi), shallow

Epicenter

38.029° N, 118.733° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

91°

Stations used

8

• June Lake, CaliforniaPopulation 629. Forecast41 kmNE
• Gardnerville Ranchos, NevadaPopulation 11,312. Forecast130 kmSE
• Clovis, CaliforniaPopulation 104,180. Forecast159 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast444 kmN

After

1. 1.732 km NW of Benton, CaliforniaSat, Aug 20, 7:24 AM PDT · 15752 days ago · 2 km deep · 1 km away
2. 1.512 km SW of Aspen Springs, CaliforniaSat, Aug 20, 10:10 AM PDT · 15752 days ago · 0 km deep · 61 km away
3. 1.832 km NW of Benton, CaliforniaSat, Aug 20, 11:19 AM PDT · 15752 days ago · 3 km deep · 1 km away
4. 2.131 km NW of Benton, CaliforniaSat, Aug 20, 11:19 AM PDT · 15752 days ago · -1 km deep · 1 km away
5. 1.511 km WSW of Aspen Springs, CaliforniaSat, Aug 20, 2:39 PM PDT · 15752 days ago · 10 km deep · 58 km away
6. 2.531 km NW of Benton, CaliforniaSat, Aug 20, 5:14 PM PDT · 15751 days ago · 2 km deep · 1 km away
7. 2.031 km NW of Benton, CaliforniaSat, Aug 20, 6:25 PM PDT · 15751 days ago · 2 km deep · 1 km away
8. 1.810 km ESE of Mammoth Lakes, CaliforniaSat, Aug 20, 6:45 PM PDT · 15751 days ago · 7 km deep · 46 km away
9. 2.032 km NW of Benton, CaliforniaSat, Aug 20, 10:01 PM PDT · 15751 days ago · 2 km deep · 1 km away
10. 1.622 km SW of Aspen Springs, CaliforniaSun, Aug 21, 5:32 AM PDT · 15751 days ago · -1 km deep · 70 km away
11. 1.713 km ENE of Mono City, CaliforniaSun, Aug 21, 2:13 PM PDT · 15751 days ago · 6 km deep · 23 km away
12. 1.89 km W of Aspen Springs, CaliforniaSun, Aug 21, 2:33 PM PDT · 15751 days ago · 1 km deep · 55 km away
13. 1.69 km SW of Aspen Springs, CaliforniaSun, Aug 21, 4:58 PM PDT · 15750 days ago · -1 km deep · 59 km away
14. 1.913 km ENE of Mono City, CaliforniaSun, Aug 21, 11:23 PM PDT · 15750 days ago · 7 km deep · 23 km away
15. 1.611 km W of Aspen Springs, CaliforniaMon, Aug 22, 10:53 AM PDT · 15750 days ago · 3 km deep · 52 km away
16. 1.811 km W of Aspen Springs, CaliforniaMon, Aug 22, 12:44 PM PDT · 15750 days ago · 7 km deep · 53 km away
17. 2.914 km SSE of Mammoth Lakes, CaliforniaMon, Aug 22, 2:47 PM PDT · 15750 days ago · 3 km deep · 56 km away
18. 1.914 km SSE of Mammoth Lakes, CaliforniaMon, Aug 22, 10:03 PM PDT · 15749 days ago · 3 km deep · 56 km away
19. 1.613 km SW of Aspen Springs, CaliforniaTue, Aug 23, 2:20 AM PDT · 15749 days ago · 4 km deep · 61 km away
20. 1.915 km ESE of Yosemite Valley, CaliforniaTue, Aug 23, 4:28 AM PDT · 15749 days ago · 5 km deep · 73 km away
21. 1.811 km ESE of Mammoth Lakes, CaliforniaTue, Aug 23, 2:24 PM PDT · 15749 days ago · 4 km deep · 49 km away
22. 2.49 km WSW of Aspen Springs, CaliforniaTue, Aug 23, 7:38 PM PDT · 15748 days ago · 2 km deep · 56 km away
23. 1.814 km W of Aspen Springs, CaliforniaTue, Aug 23, 10:21 PM PDT · 15748 days ago · 2 km deep · 57 km away
24. 1.614 km W of Aspen Springs, CaliforniaWed, Aug 24, 1:09 AM PDT · 15748 days ago · 2 km deep · 57 km away
25. 1.6California-Nevada border regionWed, Aug 24, 1:11 AM PDT · 15748 days ago · 0 km deep · 55 km away
26. 1.914 km W of Aspen Springs, CaliforniaWed, Aug 24, 4:18 AM PDT · 15748 days ago · 2 km deep · 57 km away
27. 1.710 km ESE of Mammoth Lakes, CaliforniaWed, Aug 24, 5:12 AM PDT · 15748 days ago · 4 km deep · 47 km away
28. 1.63 km ESE of Mammoth Lakes, CaliforniaWed, Aug 24, 6:18 AM PDT · 15748 days ago · 2 km deep · 47 km away
29. 1.94 km SE of Mammoth Lakes, CaliforniaWed, Aug 24, 6:04 PM PDT · 15747 days ago · 7 km deep · 49 km away
30. 1.715 km SSE of Mammoth Lakes, CaliforniaWed, Aug 24, 9:11 PM PDT · 15747 days ago · 0 km deep · 57 km away
31. 1.811 km W of Aspen Springs, CaliforniaWed, Aug 24, 10:42 PM PDT · 15747 days ago · 7 km deep · 53 km away
32. 2.13 km NW of Swall Meadows, CaliforniaThu, Aug 25, 2:22 AM PDT · 15747 days ago · 9 km deep · 56 km away
33. 1.73 km ESE of Mammoth Lakes, CaliforniaThu, Aug 25, 2:56 AM PDT · 15747 days ago · 4 km deep · 47 km away
34. 2.212 km E of Wilkerson, CaliforniaThu, Aug 25, 4:00 AM PDT · 15747 days ago · 5 km deep · 93 km away
35. 2.811 km W of Aspen Springs, CaliforniaThu, Aug 25, 6:03 AM PDT · 15747 days ago · 7 km deep · 52 km away
36. 2.24 km W of Mammoth Lakes, CaliforniaThu, Aug 25, 10:20 AM PDT · 15747 days ago · 5 km deep · 50 km away
37. 2.15 km SSW of Aspen Springs, CaliforniaThu, Aug 25, 1:18 PM PDT · 15747 days ago · 7 km deep · 58 km away
38. 1.69 km ESE of Mammoth Lakes, CaliforniaFri, Aug 26, 6:29 PM PDT · 15745 days ago · 4 km deep · 46 km away
39. 1.732 km NW of Benton, CaliforniaSat, Aug 27, 9:14 AM PDT · 15745 days ago · 3 km deep · 0 km away
40. 1.58 km WSW of Aspen Springs, CaliforniaSat, Aug 27, 4:06 PM PDT · 15744 days ago · 11 km deep · 57 km away
41. 1.512 km SW of Aspen Springs, CaliforniaSat, Aug 27, 6:05 PM PDT · 15744 days ago · 0 km deep · 62 km away
42. 1.79 km SW of Aspen Springs, CaliforniaSat, Aug 27, 8:06 PM PDT · 15744 days ago · -1 km deep · 58 km away
43. 1.512 km SW of Aspen Springs, CaliforniaSat, Aug 27, 10:27 PM PDT · 15744 days ago · -1 km deep · 62 km away
44. 1.632 km NW of Benton, CaliforniaSat, Aug 27, 10:30 PM PDT · 15744 days ago · 3 km deep · 1 km away
45. 1.511 km SW of Aspen Springs, CaliforniaSun, Aug 28, 2:09 AM PDT · 15744 days ago · 0 km deep · 61 km away
46. 1.811 km W of Aspen Springs, CaliforniaSun, Aug 28, 2:39 AM PDT · 15744 days ago · 7 km deep · 53 km away
47. 1.69 km SW of Aspen Springs, CaliforniaSun, Aug 28, 3:06 AM PDT · 15744 days ago · 0 km deep · 58 km away
48. 1.89 km SW of Aspen Springs, CaliforniaSun, Aug 28, 3:39 AM PDT · 15744 days ago · -1 km deep · 58 km away
49. 1.813 km N of Dixon Lane-Meadow Creek, CaliforniaSun, Aug 28, 8:27 PM PDT · 15743 days ago · 5 km deep · 64 km away
50. 3.09 km SW of Aspen Springs, CaliforniaMon, Aug 29, 3:06 AM PDT · 15743 days ago · 0 km deep · 59 km away
51. 1.715 km SSE of Mammoth Lakes, CaliforniaMon, Aug 29, 8:49 PM PDT · 15742 days ago · -1 km deep · 57 km away
52. 1.68 km ESE of Mammoth Lakes, CaliforniaTue, Aug 30, 5:51 AM PDT · 15742 days ago · 2 km deep · 47 km away
53. 1.513 km WSW of Aspen Springs, CaliforniaTue, Aug 30, 10:23 AM PDT · 15742 days ago · 8 km deep · 61 km away
54. 1.68 km E of Mammoth Lakes, CaliforniaTue, Aug 30, 6:30 PM PDT · 15741 days ago · 6 km deep · 46 km away
55. 1.96 km NW of Aspen Springs, CaliforniaWed, Aug 31, 1:01 AM PDT · 15741 days ago · 3 km deep · 49 km away
56. 2.032 km NW of Benton, CaliforniaWed, Aug 31, 2:27 AM PDT · 15741 days ago · 0 km deep · 0 km away
57. 2.011 km NW of Aspen Springs, CaliforniaWed, Aug 31, 2:39 AM PDT · 15741 days ago · 5 km deep · 46 km away
58. 2.09 km SW of Aspen Springs, CaliforniaWed, Aug 31, 4:30 AM PDT · 15741 days ago · 0 km deep · 59 km away
59. 1.512 km SW of Aspen Springs, CaliforniaWed, Aug 31, 11:30 AM PDT · 15741 days ago · 0 km deep · 61 km away
60. 2.61 km NW of Sunny Slopes, CaliforniaWed, Aug 31, 7:49 PM PDT · 15740 days ago · 2 km deep · 50 km away

The first 60 of at least 200.

Before

1. 1.532 km NW of Benton, CaliforniaSat, Aug 20, 1:30 AM PDT · 15752 days ago · 2 km deep · 1 km away
2. 2.212 km SW of Aspen Springs, CaliforniaSat, Aug 20, 1:05 AM PDT · 15752 days ago · -2 km deep · 61 km away
3. 1.712 km SW of Aspen Springs, CaliforniaFri, Aug 19, 10:52 PM PDT · 15752 days ago · -1 km deep · 62 km away
4. 2.111 km W of Aspen Springs, CaliforniaFri, Aug 19, 10:51 PM PDT · 15752 days ago · 8 km deep · 53 km away
5. 2.232 km NW of Benton, CaliforniaFri, Aug 19, 7:24 PM PDT · 15752 days ago · 2 km deep · 0 km away
6. 1.60 km W of Swall Meadows, CaliforniaFri, Aug 19, 6:58 PM PDT · 15752 days ago · 4 km deep · 58 km away
7. 2.012 km SW of Aspen Springs, CaliforniaFri, Aug 19, 6:48 AM PDT · 15753 days ago · -1 km deep · 62 km away
8. 1.912 km SW of Aspen Springs, CaliforniaFri, Aug 19, 6:39 AM PDT · 15753 days ago · 0 km deep · 62 km away
9. 2.97 km SSW of Swall Meadows, CaliforniaFri, Aug 19, 6:38 AM PDT · 15753 days ago · 0 km deep · 64 km away
10. 1.913 km SW of Aspen Springs, CaliforniaFri, Aug 19, 5:50 AM PDT · 15753 days ago · 2 km deep · 63 km away
11. 1.813 km SW of Aspen Springs, CaliforniaFri, Aug 19, 5:50 AM PDT · 15753 days ago · 1 km deep · 63 km away
12. 3.112 km SW of Aspen Springs, CaliforniaFri, Aug 19, 4:56 AM PDT · 15753 days ago · 1 km deep · 61 km away
13. 1.89 km WSW of Aspen Springs, CaliforniaFri, Aug 19, 12:24 AM PDT · 15753 days ago · 2 km deep · 56 km away
14. 1.932 km NW of Benton, CaliforniaThu, Aug 18, 5:07 PM PDT · 15753 days ago · 2 km deep · 0 km away
15. 2.032 km NW of Benton, CaliforniaThu, Aug 18, 1:07 PM PDT · 15754 days ago · 3 km deep · 1 km away
16. 3.532 km NW of Benton, CaliforniaThu, Aug 18, 12:57 PM PDT · 15754 days ago · 3 km deep · 1 km away
17. 2.013 km WSW of Aspen Springs, CaliforniaThu, Aug 18, 3:39 AM PDT · 15754 days ago · 6 km deep · 61 km away
18. 1.92 km ESE of Mammoth Lakes, CaliforniaTue, Aug 16, 11:02 PM PDT · 15755 days ago · 5 km deep · 47 km away
19. 2.613 km SW of Aspen Springs, CaliforniaTue, Aug 16, 9:26 AM PDT · 15756 days ago · 4 km deep · 62 km away
20. 2.323 km E of Mono City, CaliforniaTue, Aug 16, 5:42 AM PDT · 15756 days ago · 8 km deep · 13 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1100752. Read Mon, Oct 5, 2026, 9:32 AM UTC.