M1.5 earthquake 15 km NNE of Mesa, California

Magnitude

1.5 (md), micro

Local time

Sun, Jul 20, 1986, 11:30 PM PDT

UTC

1986-07-21 06:30:48 UTC

Depth

6.7 km (4.2 mi), shallow

Epicenter

37.542° N, 118.464° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.41

Depth from

From location

Station coverage gap

199°, poorly surrounded by stations

Stations used

14

• Dixon Lane-Meadow Creek, CaliforniaPopulation 2,645. Forecast18 kmNNW
• Sanger, CaliforniaPopulation 24,950. Forecast134 kmNE
• Clovis, CaliforniaPopulation 104,180. Forecast136 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast389 kmN

After

1. 1.514 km NNE of Mesa, CaliforniaSun, Jul 20, 11:35 PM PDT · 14681 days ago · 7 km deep · 1 km away
2. 1.7California-Nevada border regionSun, Jul 20, 11:38 PM PDT · 14681 days ago · 7 km deep · 0 km away
3. 1.618 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 11:47 PM PDT · 14681 days ago · 7 km deep · 4 km away
4. 3.618 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 11:50 PM PDT · 14681 days ago · 7 km deep · 4 km away
5. 1.915 km NNE of Mesa, CaliforniaMon, Jul 21, 12:12 AM PDT · 14681 days ago · 5 km deep · 1 km away
6. 2.715 km N of Dixon Lane-Meadow Creek, CaliforniaMon, Jul 21, 12:13 AM PDT · 14681 days ago · 6 km deep · 5 km away
7. 1.720 km N of Dixon Lane-Meadow Creek, CaliforniaMon, Jul 21, 12:18 AM PDT · 14681 days ago · 2 km deep · 7 km away
8. 2.715 km NE of Mesa, CaliforniaMon, Jul 21, 12:24 AM PDT · 14681 days ago · 8 km deep · 2 km away
9. 3.422km N of Dixon Lane-Meadow Creek, CAMon, Jul 21, 12:27 AM PDT · 14681 days ago · 5 km deep · 6 km away
10. 2.014 km NNE of Mesa, CaliforniaMon, Jul 21, 12:49 AM PDT · 14681 days ago · 5 km deep · 1 km away
11. 1.615 km NE of Mesa, CaliforniaMon, Jul 21, 12:57 AM PDT · 14681 days ago · 4 km deep · 3 km away
12. 1.918 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:01 AM PDT · 14681 days ago · 7 km deep · 4 km away
13. 4.114 km NNE of Mesa, CaliforniaMon, Jul 21, 1:10 AM PDT · 14681 days ago · 4 km deep · 1 km away
14. 2.221 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:13 AM PDT · 14681 days ago · 6 km deep · 6 km away
15. 1.615 km NNE of Mesa, CaliforniaMon, Jul 21, 1:15 AM PDT · 14681 days ago · 5 km deep · 2 km away
16. 1.514 km NNE of Mesa, CaliforniaMon, Jul 21, 1:18 AM PDT · 14681 days ago · 5 km deep · 2 km away
17. 3.619 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:20 AM PDT · 14681 days ago · 6 km deep · 4 km away
18. 2.015 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:21 AM PDT · 14681 days ago · 5 km deep · 3 km away
19. 2.0California-Nevada border regionMon, Jul 21, 1:22 AM PDT · 14681 days ago · 6 km deep · 0 km away
20. 1.719 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:34 AM PDT · 14681 days ago · 6 km deep · 5 km away
21. 1.720 km N of Dixon Lane-Meadow Creek, CaliforniaMon, Jul 21, 1:37 AM PDT · 14681 days ago · 1 km deep · 8 km away
22. 1.721 km N of Dixon Lane-Meadow Creek, CaliforniaMon, Jul 21, 1:42 AM PDT · 14681 days ago · 3 km deep · 8 km away
23. 2.415 km NNE of Mesa, CaliforniaMon, Jul 21, 1:46 AM PDT · 14681 days ago · 6 km deep · 0 km away
24. 1.515 km NNE of Mesa, CaliforniaMon, Jul 21, 1:49 AM PDT · 14681 days ago · 5 km deep · 1 km away
25. 2.314 km NNE of Mesa, CaliforniaMon, Jul 21, 1:49 AM PDT · 14681 days ago · 3 km deep · 1 km away
26. 2.017 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 1:59 AM PDT · 14681 days ago · 7 km deep · 3 km away
27. 2.920 km NNE of Mesa, CaliforniaMon, Jul 21, 2:02 AM PDT · 14681 days ago · 5 km deep · 6 km away
28. 1.616 km NNE of Mesa, CaliforniaMon, Jul 21, 2:07 AM PDT · 14681 days ago · 6 km deep · 2 km away
29. 1.515 km NNE of Mesa, CaliforniaMon, Jul 21, 2:13 AM PDT · 14681 days ago · 6 km deep · 0 km away
30. 2.614 km NNE of Mesa, CaliforniaMon, Jul 21, 2:13 AM PDT · 14681 days ago · 5 km deep · 1 km away
31. 1.614 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 2:23 AM PDT · 14681 days ago · 6 km deep · 2 km away
32. 1.516 km NNE of Mesa, CaliforniaMon, Jul 21, 2:29 AM PDT · 14681 days ago · 10 km deep · 1 km away
33. 1.520 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 2:34 AM PDT · 14681 days ago · 6 km deep · 6 km away
34. 1.514 km NNE of Mesa, CaliforniaMon, Jul 21, 2:40 AM PDT · 14681 days ago · 4 km deep · 1 km away
35. 1.819 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 2:51 AM PDT · 14681 days ago · 6 km deep · 5 km away
36. 1.815 km NNE of Mesa, CaliforniaMon, Jul 21, 2:51 AM PDT · 14681 days ago · 6 km deep · 0 km away
37. 1.915 km N of Dixon Lane-Meadow Creek, CaliforniaMon, Jul 21, 2:58 AM PDT · 14681 days ago · 6 km deep · 4 km away
38. 2.921 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 3:06 AM PDT · 14681 days ago · 6 km deep · 7 km away
39. 2.921 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 3:07 AM PDT · 14681 days ago · 7 km deep · 6 km away
40. 1.9California-Nevada border regionMon, Jul 21, 3:29 AM PDT · 14681 days ago · 7 km deep · 6 km away
41. 2.015 km NNE of Mesa, CaliforniaMon, Jul 21, 3:40 AM PDT · 14681 days ago · 5 km deep · 0 km away
42. 1.715 km NNE of Mesa, CaliforniaMon, Jul 21, 3:54 AM PDT · 14681 days ago · 5 km deep · 1 km away
43. 2.114 km NNE of Mesa, CaliforniaMon, Jul 21, 4:09 AM PDT · 14681 days ago · 5 km deep · 1 km away
44. 2.821 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 4:12 AM PDT · 14681 days ago · 7 km deep · 7 km away
45. 4.317 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 4:15 AM PDT · 14681 days ago · 7 km deep · 3 km away
46. 1.820 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 4:20 AM PDT · 14681 days ago · 6 km deep · 5 km away
47. 2.119 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 4:36 AM PDT · 14681 days ago · 6 km deep · 5 km away
48. 2.418 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 4:38 AM PDT · 14681 days ago · 7 km deep · 3 km away
49. 2.314 km NE of Mesa, CaliforniaMon, Jul 21, 4:49 AM PDT · 14681 days ago · 4 km deep · 2 km away
50. 2.416 km NNE of Mesa, CaliforniaMon, Jul 21, 5:00 AM PDT · 14681 days ago · 7 km deep · 1 km away
51. 1.815 km NNE of Mesa, CaliforniaMon, Jul 21, 5:13 AM PDT · 14681 days ago · 7 km deep · 0 km away
52. 1.815 km NNE of Mesa, CaliforniaMon, Jul 21, 5:24 AM PDT · 14681 days ago · 5 km deep · 1 km away
53. 1.714 km NE of Mesa, CaliforniaMon, Jul 21, 5:34 AM PDT · 14681 days ago · 5 km deep · 2 km away
54. 1.6California-Nevada border regionMon, Jul 21, 5:38 AM PDT · 14681 days ago · -3 km deep · 13 km away
55. 1.815 km NNE of Mesa, CaliforniaMon, Jul 21, 5:59 AM PDT · 14681 days ago · 5 km deep · 1 km away
56. 2.115 km NNE of Mesa, CaliforniaMon, Jul 21, 6:07 AM PDT · 14681 days ago · 5 km deep · 1 km away
57. 3.419 km NNE of Mesa, CaliforniaMon, Jul 21, 6:28 AM PDT · 14681 days ago · 6 km deep · 4 km away
58. 1.715 km ENE of Swall Meadows, CaliforniaMon, Jul 21, 6:31 AM PDT · 14681 days ago · 5 km deep · 2 km away
59. 1.913 km NNE of Mesa, CaliforniaMon, Jul 21, 6:32 AM PDT · 14681 days ago · 4 km deep · 2 km away
60. 1.714 km NNE of Mesa, CaliforniaMon, Jul 21, 6:32 AM PDT · 14681 days ago · 3 km deep · 1 km away

The first 60 of at least 200.

Before

1. 1.921 km NNE of Mesa, CaliforniaSun, Jul 20, 11:22 PM PDT · 14681 days ago · 6 km deep · 6 km away
2. 1.821 km N of Dixon Lane-Meadow Creek, CaliforniaSun, Jul 20, 11:12 PM PDT · 14681 days ago · 3 km deep · 8 km away
3. 2.015 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 11:08 PM PDT · 14681 days ago · 6 km deep · 2 km away
4. 1.515 km NNE of Mesa, CaliforniaSun, Jul 20, 11:04 PM PDT · 14681 days ago · 6 km deep · 0 km away
5. 2.920 km N of Dixon Lane-Meadow Creek, CaliforniaSun, Jul 20, 11:01 PM PDT · 14681 days ago · 2 km deep · 8 km away
6. 2.420 km NNE of Mesa, CaliforniaSun, Jul 20, 10:56 PM PDT · 14681 days ago · 6 km deep · 5 km away
7. 2.015 km NE of Mesa, CaliforniaSun, Jul 20, 10:54 PM PDT · 14681 days ago · 6 km deep · 2 km away
8. 1.9California-Nevada border regionSun, Jul 20, 10:47 PM PDT · 14681 days ago · 8 km deep · 4 km away
9. 3.415 km NE of Mesa, CaliforniaSun, Jul 20, 10:39 PM PDT · 14681 days ago · 7 km deep · 3 km away
10. 2.614 km NNE of Mesa, CaliforniaSun, Jul 20, 10:29 PM PDT · 14681 days ago · 5 km deep · 1 km away
11. 2.315 km NNE of Mesa, CASun, Jul 20, 10:28 PM PDT · 14681 days ago · 6 km deep · 1 km away
12. 2.114 km NNE of Mesa, CaliforniaSun, Jul 20, 10:27 PM PDT · 14681 days ago · 5 km deep · 2 km away
13. 2.015 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 10:22 PM PDT · 14681 days ago · 5 km deep · 1 km away
14. 2.515 km NNE of Mesa, CaliforniaSun, Jul 20, 10:19 PM PDT · 14681 days ago · 6 km deep · 0 km away
15. 1.920 km NNE of Mesa, CaliforniaSun, Jul 20, 9:41 PM PDT · 14681 days ago · 6 km deep · 5 km away
16. 1.514 km NNE of Mesa, CaliforniaSun, Jul 20, 9:33 PM PDT · 14681 days ago · 4 km deep · 1 km away
17. 1.717 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 9:17 PM PDT · 14681 days ago · 7 km deep · 2 km away
18. 1.64 km E of Mammoth Lakes, CaliforniaSun, Jul 20, 9:14 PM PDT · 14681 days ago · 5 km deep · 42 km away
19. 1.616 km N of Dixon Lane-Meadow Creek, CaliforniaSun, Jul 20, 9:07 PM PDT · 14681 days ago · 7 km deep · 4 km away
20. 1.512 km ENE of Swall Meadows, CaliforniaSun, Jul 20, 9:06 PM PDT · 14681 days ago · 2 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc97838. Read Wed, Sep 30, 2026, 4:12 AM UTC.