California earthquakes

M1.8 earthquake 13 km NE of Big Pine, California

A magnitude 1.8 earthquake struck 13 km NE of Big Pine, California on Mon, Oct 20, 1986, 9:59 AM PDT (16:59 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.9 7 km NNE of Mesa, California. This one was a foreshock.

Big Pine 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
1986-10-20 16:59:29 UTC
Depth
8.3 km (5.2 mi), shallow
Epicenter
37.253° N, 118.190° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
261°, poorly surrounded by stations
Stations used
28

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

After

  1. 2.217 km ENE of Swall Meadows, California · 14589 days ago · 7 km deep · 43 km away
  2. 1.711 km NNE of Dixon Lane-Meadow Creek, California · 14589 days ago · 3 km deep · 28 km away
  3. 1.63 km NW of Dixon Lane-Meadow Creek, California · 14589 days ago · 7 km deep · 28 km away
  4. 2.914 km NNE of Mesa, California · 14589 days ago · 6 km deep · 40 km away
  5. 1.914 km NNE of Mesa, California · 14589 days ago · 5 km deep · 40 km away
  6. 3.112 km NNE of Dixon Lane-Meadow Creek, California · 14589 days ago · 4 km deep · 31 km away
  7. 1.712 km NNE of Dixon Lane-Meadow Creek, California · 14589 days ago · 5 km deep · 31 km away
  8. 3.319 km ENE of Swall Meadows, California · 14589 days ago · 7 km deep · 44 km away
  9. 1.814 km NNE of Mesa, California · 14589 days ago · 6 km deep · 40 km away
  10. 1.57 km NE of Mesa, California · 14589 days ago · 2 km deep · 36 km away
  11. 2.215 km NE of Mesa, California · 14588 days ago · 8 km deep · 37 km away
  12. 2.76 km NNE of Mesa, California · 14588 days ago · 3 km deep · 37 km away
  13. 2.16 km NNE of Mesa, California · 14588 days ago · 2 km deep · 37 km away
  14. 3.46 km NNE of Mesa, California · 14588 days ago · 2 km deep · 37 km away
  15. 2.56 km NE of Mesa, California · 14588 days ago · 3 km deep · 36 km away
  16. 2.56 km NE of Mesa, California · 14588 days ago · 1 km deep · 36 km away
  17. 1.510 km NNE of Dixon Lane-Meadow Creek, California · 14588 days ago · 3 km deep · 30 km away
  18. 2.112 km NNE of Dixon Lane-Meadow Creek, California · 14588 days ago · 4 km deep · 31 km away
  19. 1.616 km N of Dixon Lane-Meadow Creek, California · 14588 days ago · 4 km deep · 37 km away
  20. 1.818 km ENE of Swall Meadows, California · 14588 days ago · 6 km deep · 42 km away
  21. 2.213 km W of Aspen Springs, California · 14588 days ago · 6 km deep · 68 km away
  22. 2.766km NW of Beatty, NV · 14588 days ago · 4 km deep · 83 km away
  23. 1.67 km NE of Mesa, California · 14588 days ago · 1 km deep · 36 km away
  24. 2.06 km NE of Mesa, California · 14588 days ago · 2 km deep · 36 km away
  25. 1.56 km NE of Mesa, California · 14588 days ago · 0 km deep · 36 km away
  26. 1.97 km NNE of Mesa, California · 14588 days ago · 2 km deep · 38 km away
  27. 1.56 km NE of Mesa, California · 14588 days ago · 2 km deep · 36 km away
  28. 2.87 km NNE of Mesa, California · 14588 days ago · 3 km deep · 38 km away
  29. 1.67 km NNE of Mesa, California · 14588 days ago · 2 km deep · 38 km away
  30. 3.06 km NNE of Mesa, California · 14588 days ago · 3 km deep · 38 km away
  31. 2.236 km SE of Dyer, Nevada · 14588 days ago · 3 km deep · 38 km away
  32. 2.56 km NNE of Mesa, California · 14587 days ago · 4 km deep · 38 km away
  33. 2.510 km NNE of Dixon Lane-Meadow Creek, California · 14587 days ago · 5 km deep · 29 km away
  34. 1.6California-Nevada border region · 14587 days ago · 11 km deep · 5 km away
  35. 1.7California-Nevada border region · 14587 days ago · 7 km deep · 44 km away
  36. 1.67 km NNE of Mesa, California · 14587 days ago · 3 km deep · 38 km away
  37. 2.516 km NE of Swall Meadows, California · 14587 days ago · 7 km deep · 46 km away
  38. 1.715 km NE of Mesa, California · 14586 days ago · 3 km deep · 38 km away
  39. 1.811 km W of Aspen Springs, California · 14586 days ago · 7 km deep · 67 km away
  40. 1.615 km NNE of Mesa, California · 14585 days ago · 6 km deep · 40 km away
  41. 1.618 km ENE of Sunny Slopes, California · 14585 days ago · 3 km deep · 47 km away
  42. 2.110 km NNE of Dixon Lane-Meadow Creek, California · 14584 days ago · 5 km deep · 29 km away
  43. 1.913 km W of Aspen Springs, California · 14584 days ago · 5 km deep · 67 km away
  44. 2.87 km SE of Mammoth Lakes, California · 14584 days ago · 3 km deep · 75 km away
  45. 1.710 km WNW of Aspen Springs, California · 14584 days ago · 8 km deep · 67 km away
  46. 1.616 km NNE of Mesa, California · 14584 days ago · 9 km deep · 40 km away
  47. 1.613 km N of Dixon Lane-Meadow Creek, California · 14584 days ago · 7 km deep · 35 km away
  48. 1.513 km NE of Dixon Lane-Meadow Creek, California · 14584 days ago · 7 km deep · 26 km away
  49. 1.919 km ENE of Swall Meadows, California · 14584 days ago · 6 km deep · 46 km away
  50. 1.715 km NNE of Mesa, California · 14584 days ago · 5 km deep · 40 km away
  51. 3.4California-Nevada border region · 14584 days ago · 7 km deep · 30 km away
  52. 1.616 km N of Dixon Lane-Meadow Creek, California · 14584 days ago · 3 km deep · 36 km away
  53. 1.915 km NNE of Mesa, California · 14584 days ago · 10 km deep · 40 km away
  54. 1.9California-Nevada border region · 14583 days ago · 6 km deep · 26 km away
  55. 1.67 km NNE of Mesa, California · 14583 days ago · 3 km deep · 37 km away
  56. 2.117 km NW of Benton, California · 14583 days ago · 7 km deep · 85 km away
  57. 1.816 km NW of Benton, California · 14583 days ago · 6 km deep · 84 km away
  58. 1.717 km ENE of Swall Meadows, California · 14583 days ago · 6 km deep · 45 km away
  59. 1.76 km NE of Mesa, California · 14583 days ago · 2 km deep · 36 km away
  60. 1.614 km WSW of Aspen Springs, California · 14583 days ago · 4 km deep · 66 km away

The first 60 of at least 201.

Before

  1. 1.919 km ENE of Sunny Slopes, California · 14590 days ago · 6 km deep · 47 km away
  2. 1.820 km N of Dixon Lane-Meadow Creek, California · 14590 days ago · 4 km deep · 40 km away
  3. 1.616 km ENE of Sunny Slopes, California · 14590 days ago · 7 km deep · 47 km away
  4. 1.616 km N of Dixon Lane-Meadow Creek, California · 14590 days ago · -2 km deep · 36 km away
  5. 1.61 km S of Mesa, California · 14590 days ago · 7 km deep · 35 km away
  6. 1.618 km N of Dixon Lane-Meadow Creek, California · 14590 days ago · 3 km deep · 38 km away
  7. 2.56 km NNE of Mesa, California · 14590 days ago · 4 km deep · 37 km away
  8. 1.616 km ENE of Swall Meadows, California · 14591 days ago · 3 km deep · 43 km away
  9. 1.52 km S of Aspen Springs, California · 14591 days ago · 8 km deep · 56 km away
  10. 1.614 km N of Dixon Lane-Meadow Creek, California · 14591 days ago · 5 km deep · 34 km away
  11. 1.613 km N of Dixon Lane-Meadow Creek, California · 14591 days ago · 5 km deep · 34 km away
  12. 1.816 km SW of Aspen Springs, California · 14591 days ago · 3 km deep · 62 km away
  13. 2.115 km NNE of Mesa, California · 14591 days ago · 7 km deep · 41 km away
  14. 1.715 km ENE of Swall Meadows, California · 14591 days ago · 11 km deep · 44 km away
  15. 2.013 km N of Dixon Lane-Meadow Creek, California · 14591 days ago · 5 km deep · 34 km away
  16. 1.60 km W of Round Valley, California · 14591 days ago · 5 km deep · 40 km away
  17. 1.813 km NNE of Dixon Lane-Meadow Creek, California · 14592 days ago · 4 km deep · 32 km away
  18. 1.5California-Nevada border region · 14592 days ago · 3 km deep · 75 km away
  19. 2.014 km NE of Big Pine, California · 14592 days ago · 8 km deep · 2 km away
  20. 1.611 km NNE of Dixon Lane-Meadow Creek, California · 14592 days ago · 8 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc86099. Read Wed, Sep 30, 2026, 5:51 AM UTC.