M1.6 earthquake 14 km NNW of Benton, California

Magnitude

1.6 (md), micro

Local time

Sun, Jun 21, 1981, 7:59 PM PDT

UTC

1981-06-22 02:59:12 UTC

Depth

8.6 km (5.4 mi), shallow

Epicenter

37.939° N, 118.542° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.6 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

112°

Stations used

10

• Mammoth Lakes, CaliforniaPopulation 7,946. Forecast50 kmNE
• Gardnerville Ranchos, NevadaPopulation 11,312. Forecast148 kmSE
• Clovis, CaliforniaPopulation 104,180. Forecast161 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast433 kmN

After

1. 2.03 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 7:52 AM PDT · 16511 days ago · 5 km deep · 47 km away
2. 1.93 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 8:58 AM PDT · 16511 days ago · 6 km deep · 47 km away
3. 1.93 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 9:25 AM PDT · 16511 days ago · 3 km deep · 47 km away
4. 2.02 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 9:26 AM PDT · 16511 days ago · 6 km deep · 48 km away
5. 2.0Central CaliforniaThu, Jul 9, 9:30 AM PDT · 16511 days ago · 3 km deep · 55 km away
6. 1.83 km ENE of Mammoth Lakes, CaliforniaThu, Jul 9, 9:38 AM PDT · 16511 days ago · 4 km deep · 46 km away
7. 1.97 km SSE of Mammoth Lakes, CaliforniaThu, Jul 9, 9:39 AM PDT · 16511 days ago · 2 km deep · 53 km away
8. 2.82km NNE of Mammoth Lakes, CAThu, Jul 9, 9:46 AM PDT · 16511 days ago · 5 km deep · 49 km away
9. 2.13 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 9:47 AM PDT · 16511 days ago · 6 km deep · 48 km away
10. 3.16km NNW of Mammoth Lakes, CAThu, Jul 9, 9:47 AM PDT · 16511 days ago · 5 km deep · 49 km away
11. 1.58km NE of Mammoth Lakes, CAThu, Jul 9, 10:02 AM PDT · 16511 days ago · 4 km deep · 43 km away
12. 1.72 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 10:08 AM PDT · 16511 days ago · 7 km deep · 49 km away
13. 1.82 km SE of Mammoth Lakes, CaliforniaThu, Jul 9, 10:09 AM PDT · 16511 days ago · 4 km deep · 49 km away
14. 2.85km NNE of Mammoth Lakes, CAThu, Jul 9, 10:11 AM PDT · 16511 days ago · 4 km deep · 47 km away
15. 2.911km NNW of Mammoth Lakes, CAThu, Jul 9, 10:12 AM PDT · 16511 days ago · 4 km deep · 49 km away
16. 1.62 km SE of Mammoth Lakes, CaliforniaThu, Jul 9, 10:19 AM PDT · 16511 days ago · 5 km deep · 49 km away
17. 2.612km ENE of Mammoth Lakes, CAThu, Jul 9, 11:07 AM PDT · 16511 days ago · 4 km deep · 40 km away
18. 2.94km N of Mammoth Lakes, CAThu, Jul 9, 11:31 AM PDT · 16511 days ago · 5 km deep · 48 km away
19. 2.712km SSW of Mammoth Lakes, CAThu, Jul 9, 11:31 AM PDT · 16511 days ago · 5 km deep · 61 km away
20. 1.73 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 1:07 PM PDT · 16511 days ago · 3 km deep · 48 km away
21. 1.83 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 1:08 PM PDT · 16511 days ago · 2 km deep · 48 km away
22. 1.73 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 1:28 PM PDT · 16511 days ago · 0 km deep · 47 km away
23. 1.73 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 1:42 PM PDT · 16511 days ago · 1 km deep · 47 km away
24. 1.83 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 1:49 PM PDT · 16511 days ago · 1 km deep · 48 km away
25. 1.95 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 3:09 PM PDT · 16511 days ago · 5 km deep · 46 km away
26. 1.83 km ENE of Mammoth Lakes, CaliforniaThu, Jul 9, 4:06 PM PDT · 16511 days ago · 1 km deep · 47 km away
27. 3.33km ENE of Mammoth Lakes, CAThu, Jul 9, 4:18 PM PDT · 16511 days ago · 5 km deep · 48 km away
28. 3.02 km NNE of Mammoth Lakes, CaliforniaThu, Jul 9, 4:18 PM PDT · 16511 days ago · 6 km deep · 48 km away
29. 1.83 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 4:21 PM PDT · 16511 days ago · 2 km deep · 47 km away
30. 1.83 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 5:06 PM PDT · 16511 days ago · 1 km deep · 47 km away
31. 1.83 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 5:49 PM PDT · 16511 days ago · 2 km deep · 48 km away
32. 2.84km NNW of Mammoth Lakes, CAThu, Jul 9, 6:27 PM PDT · 16511 days ago · 5 km deep · 50 km away
33. 1.93 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 6:30 PM PDT · 16511 days ago · 3 km deep · 49 km away
34. 2.18 km SW of Aspen Springs, CaliforniaThu, Jul 9, 6:39 PM PDT · 16511 days ago · 17 km deep · 52 km away
35. 2.26 km E of Mammoth Lakes, CaliforniaThu, Jul 9, 6:46 PM PDT · 16511 days ago · 21 km deep · 45 km away
36. 2.02 km SE of Mammoth Lakes, CaliforniaThu, Jul 9, 7:34 PM PDT · 16511 days ago · 6 km deep · 49 km away
37. 2.013km SE of Mammoth Lakes, CAThu, Jul 9, 8:12 PM PDT · 16511 days ago · 5 km deep · 53 km away
38. 3.43 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 8:31 PM PDT · 16511 days ago · 4 km deep · 49 km away
39. 3.29 km NNW of Aspen Springs, CaliforniaThu, Jul 9, 8:31 PM PDT · 16511 days ago · 5 km deep · 38 km away
40. 1.62 km SE of Mammoth Lakes, CaliforniaThu, Jul 9, 8:32 PM PDT · 16511 days ago · 5 km deep · 49 km away
41. 2.62km NE of Mammoth Lakes, CAThu, Jul 9, 8:35 PM PDT · 16511 days ago · 5 km deep · 48 km away
42. 2.94km N of Mammoth Lakes, CAThu, Jul 9, 8:48 PM PDT · 16511 days ago · 4 km deep · 48 km away
43. 2.83km ENE of Mammoth Lakes, CAThu, Jul 9, 8:49 PM PDT · 16511 days ago · 5 km deep · 48 km away
44. 1.70km SSW of Mammoth Lakes, CAThu, Jul 9, 9:42 PM PDT · 16511 days ago · 5 km deep · 51 km away
45. 2.03 km ESE of Mammoth Lakes, CaliforniaThu, Jul 9, 9:47 PM PDT · 16511 days ago · 4 km deep · 49 km away
46. 3.25km E of Mammoth Lakes, CAThu, Jul 9, 9:48 PM PDT · 16511 days ago · 5 km deep · 48 km away
47. 3.05km ENE of Mammoth Lakes, CAThu, Jul 9, 9:52 PM PDT · 16511 days ago · 4 km deep · 47 km away
48. 2.418km ENE of Mammoth Lakes, CAThu, Jul 9, 10:05 PM PDT · 16511 days ago · 4 km deep · 34 km away
49. 2.86km ESE of Mammoth Lakes, CAThu, Jul 9, 10:25 PM PDT · 16511 days ago · 5 km deep · 49 km away
50. 1.53km ESE of Mammoth Lakes, CAThu, Jul 9, 10:26 PM PDT · 16511 days ago · 4 km deep · 50 km away
51. 2.87km ENE of Mammoth Lakes, CAThu, Jul 9, 10:51 PM PDT · 16511 days ago · 4 km deep · 45 km away
52. 2.95km ENE of Mammoth Lakes, CAThu, Jul 9, 11:07 PM PDT · 16511 days ago · 4 km deep · 46 km away
53. 2.73km NNE of Mammoth Lakes, CAThu, Jul 9, 11:13 PM PDT · 16511 days ago · 5 km deep · 49 km away
54. 3.42 km SE of Mammoth Lakes, CaliforniaThu, Jul 9, 11:55 PM PDT · 16511 days ago · 5 km deep · 49 km away
55. 3.06km ENE of Mammoth Lakes, CAFri, Jul 10, 12:26 AM PDT · 16511 days ago · 4 km deep · 46 km away
56. 1.627km ENE of Yosemite Valley, CAFri, Jul 10, 12:56 AM PDT · 16511 days ago · 4 km deep · 68 km away
57. 2.45km N of Mammoth Lakes, CAFri, Jul 10, 3:57 AM PDT · 16510 days ago · 5 km deep · 48 km away
58. 2.75km NNW of Mammoth Lakes, CAFri, Jul 10, 3:58 AM PDT · 16510 days ago · 5 km deep · 49 km away
59. 2.82km NE of Mammoth Lakes, CAFri, Jul 10, 4:22 AM PDT · 16510 days ago · 5 km deep · 49 km away
60. 3.12 km ESE of Mammoth Lakes, CaliforniaFri, Jul 10, 4:26 AM PDT · 16510 days ago · 2 km deep · 49 km away

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event nc1064762 (also filed as ci518113). Read Tue, Sep 22, 2026, 8:27 PM UTC.