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

Magnitude

1.6 (md), micro

Local time

Tue, May 21, 1985, 10:39 AM PDT

UTC

1985-05-21 17:39:49 UTC

Depth

7.0 km (4.3 mi), shallow

Epicenter

37.460° N, 118.609° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.24

Depth from

From location

Station coverage gap

53°

Stations used

26

• West Bishop, CaliforniaPopulation 2,607. Forecast18 kmNW
• Sanger, CaliforniaPopulation 24,950. Forecast119 kmNE
• Clovis, CaliforniaPopulation 104,180. Forecast120 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast380 kmN

After

1. 2.111 km SW of Aspen Springs, CaliforniaTue, May 21, 8:35 PM PDT · 15099 days ago · 5 km deep · 18 km away
2. 2.22 km WNW of Round Valley, CaliforniaWed, May 22, 12:05 AM PDT · 15099 days ago · 11 km deep · 3 km away
3. 3.34 km SE of Swall Meadows, CaliforniaWed, May 22, 12:44 AM PDT · 15099 days ago · 9 km deep · 2 km away
4. 1.74 km SE of Swall Meadows, CaliforniaWed, May 22, 1:01 AM PDT · 15099 days ago · 9 km deep · 2 km away
5. 1.94 km SSW of Swall Meadows, CaliforniaWed, May 22, 4:22 AM PDT · 15098 days ago · 5 km deep · 4 km away
6. 1.7California-Nevada border regionWed, May 22, 4:51 AM PDT · 15098 days ago · 7 km deep · 65 km away
7. 1.60 km NE of Round Valley, CaliforniaWed, May 22, 11:27 AM PDT · 15098 days ago · 6 km deep · 5 km away
8. 2.34 km N of Round Valley, CaliforniaWed, May 22, 10:38 PM PDT · 15098 days ago · 12 km deep · 1 km away
9. 2.85 km SSE of Swall Meadows, CaliforniaWed, May 22, 10:57 PM PDT · 15098 days ago · 9 km deep · 1 km away
10. 2.55 km SSE of Swall Meadows, CaliforniaThu, May 23, 12:14 AM PDT · 15098 days ago · 8 km deep · 1 km away
11. 1.55 km SSE of Swall Meadows, CaliforniaThu, May 23, 12:20 AM PDT · 15098 days ago · 8 km deep · 1 km away
12. 2.33 km NNW of Round Valley, CaliforniaThu, May 23, 1:38 AM PDT · 15098 days ago · 8 km deep · 1 km away
13. 1.72 km WNW of Mammoth Lakes, CaliforniaThu, May 23, 10:04 AM PDT · 15097 days ago · 3 km deep · 40 km away
14. 1.711 km E of Mammoth Lakes, CaliforniaThu, May 23, 4:39 PM PDT · 15097 days ago · 5 km deep · 29 km away
15. 1.94 km SSE of Swall Meadows, CaliforniaThu, May 23, 5:44 PM PDT · 15097 days ago · 5 km deep · 2 km away
16. 1.61 km ESE of Round Valley, CaliforniaFri, May 24, 1:10 PM PDT · 15096 days ago · 4 km deep · 6 km away
17. 2.24 km SE of Swall Meadows, CaliforniaSat, May 25, 10:56 PM PDT · 15095 days ago · 9 km deep · 1 km away
18. 2.44 km SE of Swall Meadows, CaliforniaSun, May 26, 12:12 AM PDT · 15095 days ago · 9 km deep · 2 km away
19. 1.911 km WSW of Aspen Springs, CaliforniaSun, May 26, 3:05 AM PDT · 15094 days ago · 6 km deep · 21 km away
20. 1.82 km NW of Dixon Lane-Meadow Creek, CaliforniaSun, May 26, 4:40 AM PDT · 15094 days ago · 10 km deep · 17 km away
21. 2.52 km NW of Dixon Lane-Meadow Creek, CaliforniaSun, May 26, 4:46 AM PDT · 15094 days ago · 9 km deep · 16 km away
22. 1.62 km NNW of Dixon Lane-Meadow Creek, CaliforniaSun, May 26, 6:25 AM PDT · 15094 days ago · 8 km deep · 17 km away
23. 1.72 km S of Swall Meadows, CaliforniaSun, May 26, 5:51 PM PDT · 15094 days ago · 8 km deep · 4 km away
24. 2.35 km NW of Round Valley, CaliforniaMon, May 27, 2:33 AM PDT · 15094 days ago · 5 km deep · 2 km away
25. 1.65 km NNW of Round Valley, CaliforniaMon, May 27, 6:11 AM PDT · 15093 days ago · 11 km deep · 1 km away
26. 2.25 km NW of Round Valley, CaliforniaMon, May 27, 7:02 AM PDT · 15093 days ago · 5 km deep · 2 km away
27. 1.94 km SE of Swall Meadows, CaliforniaMon, May 27, 1:55 PM PDT · 15093 days ago · 11 km deep · 2 km away
28. 2.23 km S of Swall Meadows, CaliforniaMon, May 27, 3:37 PM PDT · 15093 days ago · 3 km deep · 3 km away
29. 3.32 km WNW of Round Valley, CaliforniaMon, May 27, 5:42 PM PDT · 15093 days ago · 6 km deep · 4 km away
30. 2.91 km W of Round Valley, CaliforniaMon, May 27, 5:42 PM PDT · 15093 days ago · 9 km deep · 5 km away
31. 2.12 km NW of Round Valley, CaliforniaTue, May 28, 8:39 AM PDT · 15092 days ago · 10 km deep · 3 km away
32. 3.412 km W of Aspen Springs, CaliforniaTue, May 28, 11:31 AM PDT · 15092 days ago · 8 km deep · 23 km away
33. 2.24 km N of Round Valley, CaliforniaWed, May 29, 2:04 AM PDT · 15092 days ago · 10 km deep · 2 km away
34. 1.84 km SSE of Swall Meadows, CaliforniaWed, May 29, 2:42 AM PDT · 15092 days ago · 7 km deep · 1 km away
35. 2.011 km WNW of Aspen Springs, CaliforniaWed, May 29, 3:39 PM PDT · 15091 days ago · 8 km deep · 25 km away
36. 2.62 km SE of Yosemite Valley, CaliforniaWed, May 29, 6:13 PM PDT · 15091 days ago · 19 km deep · 89 km away
37. 2.011 km W of Aspen Springs, CaliforniaWed, May 29, 9:40 PM PDT · 15091 days ago · 7 km deep · 23 km away
38. 2.44 km S of Swall Meadows, CaliforniaFri, May 31, 7:32 AM PDT · 15089 days ago · 3 km deep · 3 km away
39. 1.531 km ENE of Mono City, CaliforniaFri, May 31, 7:41 AM PDT · 15089 days ago · 4 km deep · 82 km away
40. 1.74 km NW of Round Valley, CaliforniaFri, May 31, 12:13 PM PDT · 15089 days ago · 4 km deep · 2 km away
41. 1.94 km SSE of Swall Meadows, CaliforniaFri, May 31, 9:41 PM PDT · 15089 days ago · 7 km deep · 1 km away
42. 2.17 km ESE of Mammoth Lakes, CaliforniaSun, Jun 2, 3:22 AM PDT · 15087 days ago · 7 km deep · 31 km away
43. 2.06km SE of Independence, CASun, Jun 2, 6:11 AM PDT · 15087 days ago · 4 km deep · 87 km away
44. 1.74 km SSE of Swall Meadows, CaliforniaSun, Jun 2, 10:34 AM PDT · 15087 days ago · 7 km deep · 1 km away
45. 1.813 km WSW of Aspen Springs, CaliforniaSun, Jun 2, 5:41 PM PDT · 15087 days ago · 6 km deep · 23 km away
46. 1.95 km SSE of Swall Meadows, CaliforniaSun, Jun 2, 10:33 PM PDT · 15087 days ago · 8 km deep · 1 km away
47. 1.626 km E of Fish Camp, CaliforniaMon, Jun 3, 2:50 AM PDT · 15087 days ago · 3 km deep · 65 km away
48. 2.45 km S of Swall Meadows, CaliforniaMon, Jun 3, 8:40 PM PDT · 15086 days ago · 3 km deep · 4 km away
49. 1.723 km ENE of Fish Camp, CaliforniaTue, Jun 4, 3:13 PM PDT · 15085 days ago · 5 km deep · 69 km away
50. 1.63 km SSE of Swall Meadows, CaliforniaWed, Jun 5, 12:30 AM PDT · 15085 days ago · 8 km deep · 2 km away
51. 2.634 km NW of Benton, CaliforniaWed, Jun 5, 10:37 AM PDT · 15084 days ago · 1 km deep · 67 km away
52. 2.315 km SW of Aspen Springs, CaliforniaThu, Jun 6, 2:11 AM PDT · 15084 days ago · 5 km deep · 20 km away
53. 2.53 km ESE of Big Creek, CaliforniaThu, Jun 6, 4:59 PM PDT · 15083 days ago · 3 km deep · 60 km away
54. 2.44 km N of Round Valley, CaliforniaThu, Jun 6, 5:53 PM PDT · 15083 days ago · 7 km deep · 2 km away
55. 1.71 km S of Mammoth Lakes, CaliforniaThu, Jun 6, 8:10 PM PDT · 15083 days ago · 5 km deep · 37 km away
56. 2.910 km WNW of Aspen Springs, CaliforniaFri, Jun 7, 12:33 PM PDT · 15082 days ago · 4 km deep · 24 km away
57. 1.811 km SSE of Mammoth Lakes, CaliforniaFri, Jun 7, 6:39 PM PDT · 15082 days ago · -1 km deep · 28 km away
58. 1.910 km WNW of Aspen Springs, CaliforniaSat, Jun 8, 2:32 AM PDT · 15082 days ago · 4 km deep · 24 km away
59. 1.83 km SSE of Swall Meadows, CaliforniaSun, Jun 9, 1:29 AM PDT · 15081 days ago · 9 km deep · 3 km away
60. 1.912 km SW of Aspen Springs, CaliforniaSun, Jun 9, 2:42 AM PDT · 15081 days ago · 11 km deep · 20 km away

The first 60 of 180.

Before

1. 1.54 km SE of Swall Meadows, CaliforniaTue, May 21, 9:09 AM PDT · 15099 days ago · 10 km deep · 1 km away
2. 1.613 km W of Aspen Springs, CaliforniaTue, May 21, 4:06 AM PDT · 15099 days ago · 8 km deep · 24 km away
3. 1.62 km E of Mammoth Lakes, CaliforniaMon, May 20, 10:21 PM PDT · 15100 days ago · 3 km deep · 36 km away
4. 1.912 km WNW of Aspen Springs, CaliforniaMon, May 20, 9:50 PM PDT · 15100 days ago · 6 km deep · 25 km away
5. 1.512 km WNW of Aspen Springs, CaliforniaMon, May 20, 9:36 PM PDT · 15100 days ago · 6 km deep · 25 km away
6. 1.69 km ESE of Mammoth Lakes, CAMon, May 20, 3:23 PM PDT · 15100 days ago · 5 km deep · 30 km away
7. 1.62 km WNW of Round Valley, CaliforniaMon, May 20, 11:52 AM PDT · 15100 days ago · 10 km deep · 4 km away
8. 1.98 km W of Aspen Springs, CaliforniaMon, May 20, 9:06 AM PDT · 15100 days ago · 2 km deep · 21 km away
9. 1.712 km WNW of Aspen Springs, CaliforniaMon, May 20, 7:28 AM PDT · 15100 days ago · 6 km deep · 25 km away
10. 2.48 km W of Aspen Springs, CaliforniaMon, May 20, 3:02 AM PDT · 15100 days ago · 2 km deep · 21 km away
11. 1.98 km W of Aspen Springs, CaliforniaMon, May 20, 2:57 AM PDT · 15101 days ago · 2 km deep · 21 km away
12. 1.915 km ESE of Yosemite Valley, CaliforniaSun, May 19, 7:22 PM PDT · 15101 days ago · 5 km deep · 76 km away
13. 1.64 km SE of Swall Meadows, CaliforniaSun, May 19, 6:28 PM PDT · 15101 days ago · 10 km deep · 2 km away
14. 1.612 km SW of Aspen Springs, CaliforniaSun, May 19, 11:50 AM PDT · 15101 days ago · 5 km deep · 18 km away
15. 2.04 km SE of Swall Meadows, CaliforniaSun, May 19, 8:59 AM PDT · 15101 days ago · 9 km deep · 2 km away
16. 2.36 km N of Round Valley, CaliforniaSun, May 19, 8:01 AM PDT · 15101 days ago · 6 km deep · 3 km away
17. 2.35 km SE of Swall Meadows, CASun, May 19, 4:39 AM PDT · 15101 days ago · 9 km deep · 2 km away
18. 2.55 km SE of Swall Meadows, CaliforniaSun, May 19, 4:39 AM PDT · 15101 days ago · 10 km deep · 1 km away
19. 2.55 km SSE of Swall Meadows, CaliforniaSun, May 19, 4:21 AM PDT · 15101 days ago · 6 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc48178. Read Tue, Sep 22, 2026, 9:31 PM UTC.