M1.6 earthquake 4 km NW of Round Valley, California

Magnitude

1.6 (md), micro

Local time

Tue, Dec 31, 1985, 12:20 PM PST

UTC

1985-12-31 20:20:26 UTC

Depth

13.0 km (8.1 mi), shallow

Epicenter

37.454° N, 118.620° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.28

Depth from

From location

Station coverage gap

57°

Stations used

29

• West Bishop, CaliforniaPopulation 2,607. Forecast18 kmNW
• Sanger, CaliforniaPopulation 24,950. Forecast117 kmNE
• Clovis, CaliforniaPopulation 104,180. Forecast119 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast380 kmN

After

1. 2.14 km NW of Round Valley, CaliforniaTue, Dec 31, 1:40 PM PST · 14875 days ago · 13 km deep · 0 km away
2. 1.918 km S of Big Pine, CaliforniaTue, Dec 31, 9:21 PM PST · 14875 days ago · 4 km deep · 58 km away
3. 1.74 km SSW of Mesa, CaliforniaThu, Jan 2, 2:27 AM PST · 14873 days ago · 4 km deep · 10 km away
4. 2.513 km WSW of Wilkerson, CaliforniaThu, Jan 2, 2:10 PM PST · 14873 days ago · -2 km deep · 29 km away
5. 2.313 km SE of Mammoth Lakes, CaliforniaFri, Jan 3, 10:23 AM PST · 14872 days ago · 2 km deep · 25 km away
6. 1.635 km NW of Benton, CaliforniaFri, Jan 3, 4:18 PM PST · 14872 days ago · 9 km deep · 69 km away
7. 1.79 km WSW of Aspen Springs, CaliforniaSun, Jan 5, 7:22 AM PST · 14870 days ago · 2 km deep · 19 km away
8. 3.215 km SW of Round Valley, CaliforniaSun, Jan 5, 8:09 AM PST · 14870 days ago · 10 km deep · 18 km away
9. 1.514 km W of Aspen Springs, CaliforniaSun, Jan 5, 9:56 AM PST · 14870 days ago · 5 km deep · 24 km away
10. 2.47 km ESE of Wilkerson, CaliforniaMon, Jan 6, 12:45 AM PST · 14870 days ago · 9 km deep · 35 km away
11. 2.36 km SSW of Swall Meadows, CaliforniaMon, Jan 6, 9:47 AM PST · 14869 days ago · 5 km deep · 5 km away
12. 1.84 km SE of Swall Meadows, CATue, Jan 7, 12:19 AM PST · 14869 days ago · 7 km deep · 3 km away
13. 1.620 km NE of Bass Lake, CaliforniaTue, Jan 7, 12:20 AM PST · 14869 days ago · 4 km deep · 70 km away
14. 2.711 km WNW of Aspen Springs, CaliforniaTue, Jan 7, 8:16 PM PST · 14868 days ago · 8 km deep · 24 km away
15. 1.614 km E of Mono City, CaliforniaWed, Jan 8, 3:47 AM PST · 14867 days ago · 3 km deep · 71 km away
16. 2.121 km ENE of Mono City, CaliforniaThu, Jan 9, 9:28 AM PST · 14866 days ago · 2 km deep · 74 km away
17. 3.118 km SW of Aspen Springs, CaliforniaFri, Jan 10, 4:13 AM PST · 14865 days ago · 3 km deep · 22 km away
18. 2.418 km SW of Aspen Springs, CaliforniaFri, Jan 10, 4:29 AM PST · 14865 days ago · 3 km deep · 22 km away
19. 1.815 km WSW of Aspen Springs, CaliforniaFri, Jan 10, 8:58 AM PST · 14865 days ago · 3 km deep · 24 km away
20. 1.615 km WSW of Aspen Springs, CaliforniaFri, Jan 10, 9:01 AM PST · 14865 days ago · 3 km deep · 23 km away
21. 1.97 km N of Shaver Lake, CaliforniaFri, Jan 10, 4:06 PM PST · 14865 days ago · 5 km deep · 70 km away
22. 1.811 km NW of Benton, CaliforniaFri, Jan 10, 7:40 PM PST · 14865 days ago · -2 km deep · 51 km away
23. 1.619 km E of Mono City, CaliforniaSat, Jan 11, 10:57 PM PST · 14864 days ago · 3 km deep · 74 km away
24. 2.111 km SW of Aspen Springs, CaliforniaSun, Jan 12, 4:51 AM PST · 14863 days ago · 8 km deep · 15 km away
25. 1.613 km W of Aspen Springs, CaliforniaSun, Jan 12, 5:51 AM PST · 14863 days ago · 5 km deep · 24 km away
26. 1.511 km SW of Aspen Springs, CaliforniaSun, Jan 12, 9:13 AM PST · 14863 days ago · 9 km deep · 15 km away
27. 2.311 km SW of Aspen Springs, CaliforniaMon, Jan 13, 3:46 AM PST · 14862 days ago · 9 km deep · 15 km away
28. 2.63 km NW of Shaver Lake, CaliforniaMon, Jan 13, 9:10 AM PST · 14862 days ago · 7 km deep · 74 km away
29. 1.813 km SW of Aspen Springs, CaliforniaTue, Jan 14, 6:51 PM PST · 14861 days ago · 3 km deep · 17 km away
30. 1.76 km ESE of Swall Meadows, CaliforniaTue, Jan 14, 11:10 PM PST · 14861 days ago · 3 km deep · 6 km away
31. 2.14 km N of Round Valley, CaliforniaWed, Jan 15, 2:23 PM PST · 14860 days ago · 10 km deep · 3 km away
32. 1.65 km SW of Aspen Springs, CaliforniaWed, Jan 15, 2:28 PM PST · 14860 days ago · 1 km deep · 15 km away
33. 2.26 km SSW of Aspen Springs, CaliforniaWed, Jan 15, 2:29 PM PST · 14860 days ago · 5 km deep · 11 km away
34. 1.914 km E of Mono City, CaliforniaFri, Jan 17, 2:11 AM PST · 14858 days ago · 2 km deep · 73 km away
35. 3.03 km SSE of Swall Meadows, CaliforniaFri, Jan 17, 1:58 PM PST · 14858 days ago · 7 km deep · 2 km away
36. 2.33 km N of Squaw Valley, CaliforniaFri, Jan 17, 8:03 PM PST · 14858 days ago · 18 km deep · 94 km away
37. 3.43 km WSW of Round Valley, CaliforniaFri, Jan 17, 10:57 PM PST · 14858 days ago · 11 km deep · 5 km away
38. 1.515 km E of Mono City, CaliforniaSat, Jan 18, 3:33 AM PST · 14857 days ago · 3 km deep · 73 km away
39. 1.613 km E of Mono City, CaliforniaSat, Jan 18, 3:59 AM PST · 14857 days ago · 0 km deep · 73 km away
40. 2.19 km SE of Mammoth Lakes, CaliforniaSat, Jan 18, 5:53 AM PST · 14857 days ago · 2 km deep · 28 km away
41. 2.416 km ESE of Yosemite Valley, CaliforniaSat, Jan 18, 10:06 AM PST · 14857 days ago · 5 km deep · 73 km away
42. 2.214 km SW of Aspen Springs, CaliforniaSat, Jan 18, 3:18 PM PST · 14857 days ago · 3 km deep · 20 km away
43. 2.05 km WSW of Aspen Springs, CaliforniaSat, Jan 18, 7:08 PM PST · 14857 days ago · 1 km deep · 15 km away
44. 1.89 km SSW of Yosemite Valley, CaliforniaSat, Jan 18, 11:34 PM PST · 14857 days ago · 8 km deep · 89 km away
45. 1.65 km WSW of Aspen Springs, CaliforniaMon, Jan 20, 3:47 AM PST · 14855 days ago · 2 km deep · 15 km away
46. 1.85 km WSW of Aspen Springs, CaliforniaMon, Jan 20, 6:53 PM PST · 14855 days ago · 2 km deep · 16 km away
47. 2.011 km W of Aspen Springs, CaliforniaTue, Jan 21, 2:47 PM PST · 14854 days ago · 7 km deep · 23 km away
48. 2.43 km WSW of Aspen Springs, CaliforniaWed, Jan 22, 8:58 PM PST · 14853 days ago · 2 km deep · 15 km away
49. 2.329 km NW of Benton, CaliforniaFri, Jan 24, 3:27 AM PST · 14851 days ago · 6 km deep · 64 km away
50. 2.78 km ESE of Bass Lake, CaliforniaFri, Jan 24, 11:07 PM PST · 14851 days ago · 35 km deep · 78 km away
51. 1.64 km NNW of Round Valley, CaliforniaSun, Jan 26, 3:39 AM PST · 14849 days ago · 5 km deep · 0 km away
52. 3.16 km SE of Mammoth Lakes, CaliforniaSun, Jan 26, 6:02 PM PST · 14849 days ago · 3 km deep · 31 km away
53. 1.6California-Nevada border regionMon, Jan 27, 7:06 PM PST · 14848 days ago · 5 km deep · 65 km away
54. 1.86 km SE of Mammoth Lakes, CaliforniaTue, Jan 28, 7:42 PM PST · 14847 days ago · 3 km deep · 31 km away
55. 2.76 km SE of Mammoth Lakes, CaliforniaTue, Jan 28, 8:42 PM PST · 14847 days ago · 2 km deep · 31 km away
56. 1.813 km SSE of Dyer, NevadaTue, Jan 28, 9:25 PM PST · 14847 days ago · 0 km deep · 53 km away
57. 1.66 km SE of Mammoth Lakes, CaliforniaWed, Jan 29, 4:40 PM PST · 14846 days ago · 3 km deep · 31 km away
58. 1.51 km ENE of Round Valley, CaliforniaThu, Jan 30, 2:17 AM PST · 14845 days ago · 10 km deep · 6 km away
59. 2.71 km E of Round Valley, CaliforniaThu, Jan 30, 4:19 AM PST · 14845 days ago · 11 km deep · 6 km away
60. 1.612 km SE of Mammoth Lakes, CaliforniaThu, Jan 30, 5:21 AM PST · 14845 days ago · 4 km deep · 26 km away

The first 60 of 117.

Before

1. 1.95 km NNW of Round Valley, CaliforniaTue, Dec 31, 12:11 PM PST · 14875 days ago · 13 km deep · 0 km away
2. 3.74 km NW of Round Valley, CaliforniaTue, Dec 31, 12:08 PM PST · 14875 days ago · 13 km deep · 0 km away
3. 2.14 km NW of Round Valley, CaliforniaTue, Dec 31, 12:05 PM PST · 14875 days ago · 13 km deep · 0 km away
4. 1.73 km S of Swall Meadows, CaliforniaSun, Dec 29, 4:20 PM PST · 14877 days ago · 6 km deep · 3 km away
5. 1.726 km E of Mono City, CaliforniaSun, Dec 29, 11:59 AM PST · 14877 days ago · 2 km deep · 73 km away
6. 1.917 km ESE of Yosemite Valley, CaliforniaSun, Dec 29, 5:50 AM PST · 14877 days ago · 4 km deep · 73 km away
7. 1.922 km ESE of Yosemite Valley, CaliforniaSat, Dec 28, 11:39 PM PST · 14878 days ago · 16 km deep · 68 km away
8. 2.712 km WSW of Aspen Springs, CaliforniaSat, Dec 28, 8:58 PM PST · 14878 days ago · 6 km deep · 20 km away
9. 2.131 km NW of Benton, CaliforniaSat, Dec 28, 3:47 PM PST · 14878 days ago · 2 km deep · 66 km away
10. 2.07 km NE of Big Pine, CaliforniaFri, Dec 27, 6:39 AM PST · 14879 days ago · 8 km deep · 45 km away
11. 2.110 km S of Yosemite Valley, CaliforniaThu, Dec 26, 3:20 PM PST · 14880 days ago · 12 km deep · 85 km away
12. 1.610 km SW of Swall Meadows, CaliforniaTue, Dec 24, 8:45 PM PST · 14882 days ago · 14 km deep · 10 km away
13. 1.80 km W of Round Valley, CaliforniaTue, Dec 24, 2:44 PM PST · 14882 days ago · 5 km deep · 5 km away
14. 1.60 km WNW of Round Valley, CaliforniaTue, Dec 24, 2:33 PM PST · 14882 days ago · 5 km deep · 4 km away
15. 2.20 km WNW of Round Valley, CaliforniaTue, Dec 24, 2:25 PM PST · 14882 days ago · 5 km deep · 4 km away
16. 1.50 km WNW of Round Valley, CaliforniaTue, Dec 24, 1:12 PM PST · 14882 days ago · 4 km deep · 4 km away
17. 1.533 km NW of Benton, CaliforniaTue, Dec 24, 12:14 AM PST · 14883 days ago · 3 km deep · 67 km away
18. 1.612 km W of Aspen Springs, CaliforniaMon, Dec 23, 10:24 PM PST · 14883 days ago · 7 km deep · 23 km away
19. 2.012 km W of Aspen Springs, CaliforniaMon, Dec 23, 4:03 PM PST · 14883 days ago · 7 km deep · 23 km away
20. 3.012 km W of Aspen Springs, CaliforniaMon, Dec 23, 2:23 PM PST · 14883 days ago · 7 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc62528. Read Tue, Sep 22, 2026, 9:21 PM UTC.