California earthquakes

M1.6 earthquake 1 km S of Mesa, California

A magnitude 1.6 earthquake struck 1 km S of Mesa, California on Sun, Oct 19, 1986, 8:43 PM PDT (03:43 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.8 10 km NNE of Dixon Lane-Meadow Creek, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1986-10-20 03:43:55 UTC
Depth
7.0 km (4.4 mi), shallow
Epicenter
37.402° N, 118.542° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
56°
Stations used
34

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.512 km W of Aspen Springs, California · 14550 days ago · 5 km deep · 32 km away
  2. 1.810 km NNE of Dixon Lane-Meadow Creek, California · 14550 days ago · 4 km deep · 17 km away
  3. 2.512 km NNE of Dixon Lane-Meadow Creek, California · 14550 days ago · 4 km deep · 18 km away
  4. 1.517 km ENE of Swall Meadows, California · 14550 days ago · 7 km deep · 21 km away
  5. 1.511 km NNE of Dixon Lane-Meadow Creek, California · 14550 days ago · 5 km deep · 17 km away
  6. 1.78 km NE of Dixon Lane-Meadow Creek, California · 14550 days ago · 5 km deep · 17 km away
  7. 1.59 km NE of Dixon Lane-Meadow Creek, California · 14550 days ago · 5 km deep · 18 km away
  8. 1.68 km NE of Dixon Lane-Meadow Creek, California · 14549 days ago · 6 km deep · 17 km away
  9. 1.915 km NE of Mesa, California · 14549 days ago · 9 km deep · 17 km away
  10. 3.014 km N of Dixon Lane-Meadow Creek, CA · 14549 days ago · 5 km deep · 18 km away
  11. 1.711 km W of Aspen Springs, California · 14549 days ago · 7 km deep · 33 km away
  12. 2.712 km W of Aspen Springs, CA · 14549 days ago · 8 km deep · 33 km away
  13. 1.611 km W of Aspen Springs, California · 14549 days ago · 7 km deep · 32 km away
  14. 1.711 km W of Aspen Springs, California · 14549 days ago · 8 km deep · 33 km away
  15. 1.511 km W of Aspen Springs, California · 14549 days ago · 7 km deep · 33 km away
  16. 1.612 km WSW of Aspen Springs, California · 14549 days ago · 6 km deep · 28 km away
  17. 1.611 km W of Aspen Springs, California · 14549 days ago · 7 km deep · 33 km away
  18. 1.57 km SE of Mammoth Lakes, California · 14549 days ago · 4 km deep · 39 km away
  19. 1.711 km W of Aspen Springs, California · 14549 days ago · 8 km deep · 33 km away
  20. 1.915 km ENE of Swall Meadows, California · 14548 days ago · 10 km deep · 19 km away
  21. 1.97 km SE of Mammoth Lakes, California · 14548 days ago · 3 km deep · 39 km away
  22. 2.511 km W of Aspen Springs, California · 14548 days ago · 8 km deep · 33 km away
  23. 2.511 km W of Aspen Springs, California · 14548 days ago · 7 km deep · 32 km away
  24. 1.711 km W of Aspen Springs, California · 14548 days ago · 8 km deep · 33 km away
  25. 1.711 km W of Aspen Springs, California · 14548 days ago · 7 km deep · 32 km away
  26. 1.516 km NNE of Mesa, California · 14548 days ago · 10 km deep · 18 km away
  27. 1.617 km NNE of Mesa, California · 14548 days ago · 7 km deep · 19 km away
  28. 1.811 km N of Dixon Lane-Meadow Creek, California · 14548 days ago · 11 km deep · 14 km away
  29. 1.818 km ENE of Swall Meadows, California · 14547 days ago · 7 km deep · 22 km away
  30. 2.17 km E of Mammoth Lakes, California · 14547 days ago · 4 km deep · 40 km away
  31. 1.611 km NNE of Dixon Lane-Meadow Creek, California · 14546 days ago · 6 km deep · 17 km away
  32. 2.011 km NNE of Dixon Lane-Meadow Creek, California · 14546 days ago · 4 km deep · 17 km away
  33. 1.711 km W of Aspen Springs, California · 14546 days ago · 8 km deep · 32 km away
  34. 1.511 km SW of Aspen Springs, California · 14545 days ago · 5 km deep · 24 km away
  35. 2.013 km NNE of Mesa, California · 14545 days ago · 4 km deep · 16 km away
  36. 1.514 km NNE of Mesa, California · 14545 days ago · 4 km deep · 16 km away
  37. 1.69 km WNW of Aspen Springs, California · 14545 days ago · 4 km deep · 32 km away
  38. 1.710 km NNE of Dixon Lane-Meadow Creek, California · 14545 days ago · 5 km deep · 18 km away
  39. 2.212 km SE of Mammoth Lakes, California · 14544 days ago · 4 km deep · 34 km away
  40. 1.510 km WSW of Aspen Springs, California · 14544 days ago · 8 km deep · 29 km away
  41. 1.65 km WSW of Mammoth Lakes, California · 14543 days ago · 0 km deep · 51 km away
  42. 1.510 km SW of Aspen Springs, California · 14543 days ago · 9 km deep · 25 km away
  43. 1.710 km SW of Aspen Springs, California · 14543 days ago · 9 km deep · 25 km away
  44. 1.69 km WSW of Aspen Springs, California · 14543 days ago · 4 km deep · 29 km away
  45. 2.316 km ENE of Swall Meadows, California · 14542 days ago · 10 km deep · 20 km away
  46. 1.611 km N of Dixon Lane-Meadow Creek, California · 14542 days ago · 4 km deep · 16 km away
  47. 1.520 km ENE of Swall Meadows, California · 14542 days ago · 6 km deep · 23 km away
  48. 2.420 km NNE of Mesa, California · 14542 days ago · 4 km deep · 22 km away
  49. 3.620 km ENE of Swall Meadows, California · 14542 days ago · 3 km deep · 22 km away
  50. 3.216 km ENE of Swall Meadows, California · 14542 days ago · 6 km deep · 21 km away
  51. 2.320 km NNE of Mesa, California · 14542 days ago · 4 km deep · 22 km away
  52. 1.82 km WNW of Round Valley, California · 14542 days ago · 7 km deep · 7 km away
  53. 1.711 km NNE of Dixon Lane-Meadow Creek, California · 14542 days ago · 2 km deep · 18 km away
  54. 1.69 km NNE of Mesa, California · 14542 days ago · 3 km deep · 11 km away
  55. 1.714 km ENE of Swall Meadows, California · 14541 days ago · 9 km deep · 19 km away
  56. 1.98 km NE of Dixon Lane-Meadow Creek, California · 14541 days ago · 5 km deep · 18 km away
  57. 1.620 km ENE of Swall Meadows, California · 14541 days ago · 9 km deep · 23 km away
  58. 1.810 km NNE of Dixon Lane-Meadow Creek, California · 14540 days ago · 4 km deep · 17 km away
  59. 1.94 km NNE of Shaver Lake, California · 14540 days ago · 6 km deep · 74 km away
  60. 1.615 km NNE of Mesa, California · 14540 days ago · 5 km deep · 17 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc86075 (also filed as ci711311). Read Tue, Sep 22, 2026, 3:36 PM UTC.