California earthquakes

M1.8 earthquake 15 km NNE of Mesa, California

A magnitude 1.8 earthquake struck 15 km NNE of Mesa, California on Mon, Jul 21, 1986, 5:59 AM PDT (12:59 UTC), 5 km (3 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
1.8 (md), micro
Local time
UTC
1986-07-21 12:59:41 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
37.541° N, 118.450° 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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
206°, poorly surrounded by stations
Stations used
18

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 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.115 km NNE of Mesa, California · 14681 days ago · 5 km deep · 0 km away
  2. 3.419 km NNE of Mesa, California · 14681 days ago · 6 km deep · 4 km away
  3. 1.715 km ENE of Swall Meadows, California · 14681 days ago · 5 km deep · 3 km away
  4. 1.913 km NNE of Mesa, California · 14681 days ago · 4 km deep · 2 km away
  5. 1.714 km NNE of Mesa, California · 14681 days ago · 3 km deep · 2 km away
  6. 2.117 km NE of Mesa, California · 14681 days ago · 7 km deep · 2 km away
  7. 2.215 km NNE of Mesa, California · 14681 days ago · 6 km deep · 1 km away
  8. 1.917 km NE of Mesa, California · 14681 days ago · 6 km deep · 2 km away
  9. 6.4The 1986 Chalfant Valley, California Earthquake · 14681 days ago · 9 km deep · 1 km away
  10. 4.620 km NNE of Mesa, California · 14681 days ago · 6 km deep · 5 km away
  11. 3.822km N of Dixon Lane-Meadow Creek, CA · 14681 days ago · 4 km deep · 5 km away
  12. 3.824km NW of West Bishop, CA · 14680 days ago · 5 km deep · 20 km away
  13. 4.145km NE of Bishop, CA · 14680 days ago · 5 km deep · 41 km away
  14. 4.022km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  15. 3.522km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 4 km deep · 5 km away
  16. 5.711 km NE of Mesa, California · 14680 days ago · 8 km deep · 5 km away
  17. 4.022km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  18. 4.516km NE of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 14 km away
  19. 4.920 km NNE of Mesa, California · 14680 days ago · 6 km deep · 5 km away
  20. 4.238km ENE of Bishop, CA · 14680 days ago · 4 km deep · 40 km away
  21. 3.522km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  22. 3.822km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  23. 3.722km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  24. 4.813 km N of Dixon Lane-Meadow Creek, California · 14680 days ago · 2 km deep · 7 km away
  25. 3.88 km NE of Swall Meadows, California · 14680 days ago · 8 km deep · 11 km away
  26. 3.918 km ENE of Sunny Slopes, California · 14680 days ago · 2 km deep · 8 km away
  27. 3.514 km E of Sunny Slopes, California · 14680 days ago · 5 km deep · 8 km away
  28. 4.112 km NNE of Mesa, California · 14680 days ago · -1 km deep · 4 km away
  29. 3.78 km E of Swall Meadows, California · 14680 days ago · 4 km deep · 9 km away
  30. 3.111 km NE of Swall Meadows, California · 14680 days ago · 2 km deep · 9 km away
  31. 3.115 km E of Bishop, California · 14680 days ago · -2 km deep · 30 km away
  32. 3.811 km ENE of Swall Meadows, California · 14680 days ago · 3 km deep · 6 km away
  33. 3.716 km SSE of Benton, California · 14680 days ago · 10 km deep · 16 km away
  34. 4.412 km ENE of Swall Meadows, California · 14680 days ago · 11 km deep · 5 km away
  35. 2.98 km E of Sunny Slopes, California · 14680 days ago · 7 km deep · 12 km away
  36. 3.014 km NNE of Mesa, California · 14680 days ago · 11 km deep · 1 km away
  37. 3.513km N of Toms Place, CA · 14680 days ago · 7 km deep · 24 km away
  38. 3.114 km NE of Mesa, California · 14680 days ago · 12 km deep · 2 km away
  39. 3.118 km ENE of Sunny Slopes, California · 14680 days ago · 9 km deep · 7 km away
  40. 3.65 km NNW of Dixon Lane-Meadow Creek, California · 14680 days ago · -1 km deep · 12 km away
  41. 4.714 km NE of Mesa, California · 14680 days ago · 0 km deep · 2 km away
  42. 2.912 km NE of Dixon Lane-Meadow Creek, California · 14680 days ago · 2 km deep · 16 km away
  43. 3.622km N of Dixon Lane-Meadow Creek, CA · 14680 days ago · 5 km deep · 5 km away
  44. 3.810 km NNE of Mesa, California · 14680 days ago · 3 km deep · 6 km away
  45. 2.918 km ENE of Sunny Slopes, California · 14680 days ago · 1 km deep · 7 km away
  46. 4.613 km NE of Mesa, California · 14680 days ago · 10 km deep · 3 km away
  47. 3.59 km ENE of Swall Meadows, California · 14680 days ago · 3 km deep · 8 km away
  48. 3.817 km ENE of Swall Meadows, California · 14680 days ago · 3 km deep · 6 km away
  49. 3.620 km ENE of Swall Meadows, California · 14680 days ago · 8 km deep · 6 km away
  50. 3.114 km N of Dixon Lane-Meadow Creek, California · 14680 days ago · 4 km deep · 5 km away
  51. 3.020 km ENE of Sunny Slopes, California · 14680 days ago · 1 km deep · 8 km away
  52. 4.017 km NNE of Mesa, California · 14680 days ago · 5 km deep · 2 km away
  53. 3.410 km NNE of Dixon Lane-Meadow Creek, California · 14680 days ago · 7 km deep · 9 km away
  54. 2.816 km ENE of Swall Meadows, California · 14680 days ago · 1 km deep · 3 km away
  55. 4.217 km N of Dixon Lane-Meadow Creek, California · 14680 days ago · 3 km deep · 4 km away
  56. 4.516 km NE of Mesa, California · 14680 days ago · 7 km deep · 1 km away
  57. 4.520 km ENE of Swall Meadows, California · 14680 days ago · 6 km deep · 7 km away
  58. 2.415 km N of Dixon Lane-Meadow Creek, California · 14680 days ago · 9 km deep · 3 km away
  59. 2.518 km N of Dixon Lane-Meadow Creek, California · 14680 days ago · 2 km deep · 5 km away
  60. 3.48 km ENE of Dixon Lane-Meadow Creek, CA · 14680 days ago · -1 km deep · 17 km away

The first 60 of at least 200.

Before

  1. 1.6California-Nevada border region · 14681 days ago · -3 km deep · 14 km away
  2. 1.714 km NE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  3. 1.815 km NNE of Mesa, California · 14681 days ago · 5 km deep · 2 km away
  4. 1.815 km NNE of Mesa, California · 14681 days ago · 7 km deep · 1 km away
  5. 2.416 km NNE of Mesa, California · 14681 days ago · 7 km deep · 2 km away
  6. 2.314 km NE of Mesa, California · 14681 days ago · 4 km deep · 2 km away
  7. 2.418 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 3 km away
  8. 2.119 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 4 km away
  9. 1.820 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 5 km away
  10. 4.317 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 3 km away
  11. 2.821 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 6 km away
  12. 2.114 km NNE of Mesa, California · 14681 days ago · 5 km deep · 3 km away
  13. 1.715 km NNE of Mesa, California · 14681 days ago · 5 km deep · 1 km away
  14. 2.015 km NNE of Mesa, California · 14681 days ago · 5 km deep · 1 km away
  15. 1.9California-Nevada border region · 14681 days ago · 7 km deep · 5 km away
  16. 2.921 km ENE of Swall Meadows, California · 14681 days ago · 7 km deep · 6 km away
  17. 2.921 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 6 km away
  18. 1.915 km N of Dixon Lane-Meadow Creek, California · 14681 days ago · 6 km deep · 3 km away
  19. 1.815 km NNE of Mesa, California · 14681 days ago · 6 km deep · 1 km away
  20. 1.819 km ENE of Swall Meadows, California · 14681 days ago · 6 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc76927. Read Wed, Sep 30, 2026, 2:15 AM UTC.