California earthquakes

M3.3 earthquake 16 km NNE of Mesa, California

A magnitude 3.3 earthquake struck 16 km NNE of Mesa, California on Sun, Jul 20, 1986, 7:35 AM PDT (14:35 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M6.4 The 1986 Chalfant Valley, California Earthquake. This one was a foreshock.

Dixon Lane-Meadow Creek forecastMore in California

Map

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

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The earthquake

Magnitude
3.3 (md), minor
Local time
UTC
1986-07-20 14:35:34 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
37.555° N, 118.464° 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, 0.7 km in depth
Magnitude uncertainty
±0.38
Depth from
From location
Station coverage gap
56°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 2.418 km NNE of Mesa, California · 14681 days ago · 7 km deep · 2 km away
  2. 3.519 km ENE of Swall Meadows, California · 14681 days ago · 3 km deep · 4 km away
  3. 3.118 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 3 km away
  4. 2.816 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 0 km away
  5. 2.716 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 1 km away
  6. 1.916 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 2 km away
  7. 2.520 km NNE of Mesa, California · 14681 days ago · 5 km deep · 5 km away
  8. 3.015 km NNE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  9. 4.119 km NNE of Mesa, California · 14681 days ago · 6 km deep · 3 km away
  10. 2.716 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  11. 3.115 km NNE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  12. 3.015 km NNE of Mesa, California · 14681 days ago · 3 km deep · 3 km away
  13. 2.522km N of Dixon Lane-Meadow Creek, CA · 14681 days ago · 5 km deep · 3 km away
  14. 3.516 km NNE of Mesa, California · 14681 days ago · 4 km deep · 1 km away
  15. 3.25 km ENE of Mesa, California · 14681 days ago · 5 km deep · 14 km away
  16. 2.615 km NNE of Mesa, California · 14681 days ago · 4 km deep · 2 km away
  17. 2.116 km NE of Mesa, California · 14681 days ago · 4 km deep · 3 km away
  18. 2.222km N of Dixon Lane-Meadow Creek, CA · 14681 days ago · 5 km deep · 3 km away
  19. 2.415 km NNE of Mesa, California · 14681 days ago · 6 km deep · 1 km away
  20. 2.118 km NNE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  21. 2.019 km NNE of Dixon Lane-Meadow Creek, California · 14681 days ago · -2 km deep · 8 km away
  22. 2.515 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  23. 1.618 km N of Dixon Lane-Meadow Creek, California · 14681 days ago · 11 km deep · 6 km away
  24. 1.820 km NNE of Mesa, California · 14681 days ago · 3 km deep · 4 km away
  25. 1.516 km NE of Mesa, California · 14681 days ago · 8 km deep · 4 km away
  26. 2.115 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away
  27. 2.515 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away
  28. 2.718 km NNE of Mesa, California · 14681 days ago · 7 km deep · 3 km away
  29. 2.316 km NNE of Dixon Lane-Meadow Creek, California · 14681 days ago · 2 km deep · 9 km away
  30. 2.716 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away
  31. 2.315 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 2 km away
  32. 2.022km N of Dixon Lane-Meadow Creek, CA · 14681 days ago · 5 km deep · 3 km away
  33. 2.116 km N of Dixon Lane-Meadow Creek, California · 14681 days ago · 7 km deep · 4 km away
  34. 3.116 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  35. 2.722km N of Dixon Lane-Meadow Creek, CA · 14681 days ago · 4 km deep · 3 km away
  36. 2.516 km NNE of Mesa, California · 14681 days ago · 6 km deep · 0 km away
  37. 2.916 km NNE of Mesa, California · 14681 days ago · 6 km deep · 1 km away
  38. 2.515 km NNE of Mesa, California · 14681 days ago · 4 km deep · 3 km away
  39. 2.316 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 1 km away
  40. 3.216 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  41. 2.616 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  42. 3.516 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  43. 1.7California-Nevada border region · 14681 days ago · 5 km deep · 2 km away
  44. 3.316 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  45. 2.519 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 3 km away
  46. 1.815 km NNE of Mesa, California · 14681 days ago · 6 km deep · 1 km away
  47. 2.518 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 2 km away
  48. 2.919 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  49. 1.510 km ENE of Swall Meadows, California · 14681 days ago · 2 km deep · 7 km away
  50. 2.818 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 2 km away
  51. 2.56 km NE of Swall Meadows, California · 14681 days ago · 6 km deep · 11 km away
  52. 2.316 km NNE of Mesa, California · 14681 days ago · 7 km deep · 0 km away
  53. 2.114 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  54. 1.8California-Nevada border region · 14681 days ago · 6 km deep · 3 km away
  55. 2.616 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away
  56. 1.915 km NE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  57. 2.016 km NE of Mesa, California · 14681 days ago · 4 km deep · 3 km away
  58. 1.819 km NNE of Mesa, California · 14681 days ago · 4 km deep · 3 km away
  59. 1.514 km NNE of Mesa, California · 14681 days ago · 4 km deep · 3 km away
  60. 2.815 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away

The first 60 of at least 202.

Before

  1. 5.918 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  2. 2.018 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  3. 1.718 km NNE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  4. 1.715 km ENE of Swall Meadows, California · 14681 days ago · 11 km deep · 2 km away
  5. 1.8California-Nevada border region · 14682 days ago · 5 km deep · 3 km away
  6. 1.514 km NW of Benton, California · 14682 days ago · 3 km deep · 40 km away
  7. 1.79 km W of Aspen Springs, California · 14682 days ago · 0 km deep · 32 km away
  8. 3.05 km ESE of Mammoth Lakes, California · 14682 days ago · 3 km deep · 41 km away
  9. 2.216 km WSW of Aspen Springs, California · 14682 days ago · -1 km deep · 38 km away
  10. 2.716 km WSW of Aspen Springs, California · 14682 days ago · -1 km deep · 38 km away
  11. 3.019 km NNE of Mesa, California · 14682 days ago · 5 km deep · 3 km away
  12. 1.619 km NNE of Mesa, California · 14682 days ago · 5 km deep · 3 km away
  13. 1.719 km NNE of Mesa, California · 14683 days ago · 4 km deep · 3 km away
  14. 2.119 km NNE of Mesa, California · 14683 days ago · 5 km deep · 3 km away
  15. 1.719 km NNE of Mesa, California · 14683 days ago · 5 km deep · 3 km away
  16. 1.719 km NNE of Mesa, California · 14683 days ago · 5 km deep · 3 km away
  17. 1.710 km W of Aspen Springs, California · 14683 days ago · -2 km deep · 33 km away
  18. 1.813 km SE of Mammoth Lakes, California · 14683 days ago · 2 km deep · 36 km away
  19. 2.518 km NNE of Mesa, California · 14683 days ago · 5 km deep · 3 km away
  20. 3.119 km NNE of Mesa, California · 14683 days ago · 5 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc99452 (also filed as ci127656). Read Tue, Sep 29, 2026, 4:35 PM UTC.