California earthquakes

M1.9 earthquake 18 km S of Big Pine, California

A magnitude 1.9 earthquake struck 18 km S of Big Pine, California on Tue, Dec 31, 1985, 9:21 PM PST (05:21 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 5 km NW of Dixon Lane-Meadow Creek, 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
1.9 (md), micro
Local time
UTC
1986-01-01 05:21:20 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.999° N, 118.298° 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 1.9 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.37
Depth from
From location
Station coverage gap
295°, poorly surrounded by stations
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 1.511km SE of Olancha, CA · 14881 days ago · 2 km deep · 94 km away
  2. 1.74 km SSW of Mesa, California · 14880 days ago · 4 km deep · 48 km away
  3. 2.513 km WSW of Wilkerson, California · 14880 days ago · -2 km deep · 31 km away
  4. 2.313 km SE of Mammoth Lakes, California · 14879 days ago · 2 km deep · 80 km away
  5. 1.79 km WSW of Aspen Springs, California · 14877 days ago · 2 km deep · 74 km away
  6. 3.215 km SW of Round Valley, California · 14877 days ago · 10 km deep · 49 km away
  7. 1.514 km W of Aspen Springs, California · 14877 days ago · 5 km deep · 79 km away
  8. 2.47 km ESE of Wilkerson, California · 14876 days ago · 9 km deep · 29 km away
  9. 2.36 km SSW of Swall Meadows, California · 14876 days ago · 5 km deep · 60 km away
  10. 1.84 km SE of Swall Meadows, CA · 14875 days ago · 7 km deep · 60 km away
  11. 2.711 km WNW of Aspen Springs, California · 14874 days ago · 8 km deep · 81 km away
  12. 3.118 km SW of Aspen Springs, California · 14872 days ago · 3 km deep · 71 km away
  13. 2.418 km SW of Aspen Springs, California · 14872 days ago · 3 km deep · 71 km away
  14. 1.815 km WSW of Aspen Springs, California · 14872 days ago · 3 km deep · 76 km away
  15. 1.615 km WSW of Aspen Springs, California · 14872 days ago · 3 km deep · 76 km away
  16. 1.97 km N of Shaver Lake, California · 14872 days ago · 5 km deep · 93 km away
  17. 2.111 km SW of Aspen Springs, California · 14870 days ago · 8 km deep · 68 km away
  18. 1.613 km W of Aspen Springs, California · 14870 days ago · 5 km deep · 79 km away
  19. 1.511 km SW of Aspen Springs, California · 14870 days ago · 9 km deep · 68 km away
  20. 2.311 km SW of Aspen Springs, California · 14869 days ago · 9 km deep · 68 km away
  21. 2.63 km NW of Shaver Lake, California · 14869 days ago · 7 km deep · 94 km away
  22. 1.813 km SW of Aspen Springs, California · 14867 days ago · 3 km deep · 69 km away
  23. 1.76 km ESE of Swall Meadows, California · 14867 days ago · 3 km deep · 60 km away
  24. 2.14 km N of Round Valley, California · 14867 days ago · 10 km deep · 57 km away
  25. 1.65 km SW of Aspen Springs, California · 14867 days ago · 1 km deep · 71 km away
  26. 2.26 km SSW of Aspen Springs, California · 14867 days ago · 5 km deep · 68 km away
  27. 3.03 km SSE of Swall Meadows, California · 14865 days ago · 7 km deep · 60 km away
  28. 2.33 km N of Squaw Valley, California · 14864 days ago · 18 km deep · 88 km away
  29. 3.43 km WSW of Round Valley, California · 14864 days ago · 11 km deep · 54 km away
  30. 2.19 km SE of Mammoth Lakes, California · 14864 days ago · 2 km deep · 84 km away
  31. 2.214 km SW of Aspen Springs, California · 14864 days ago · 3 km deep · 71 km away
  32. 2.05 km WSW of Aspen Springs, California · 14863 days ago · 1 km deep · 72 km away
  33. 1.65 km WSW of Aspen Springs, California · 14862 days ago · 2 km deep · 72 km away
  34. 1.85 km WSW of Aspen Springs, California · 14861 days ago · 2 km deep · 73 km away
  35. 2.011 km W of Aspen Springs, California · 14861 days ago · 7 km deep · 78 km away
  36. 2.43 km WSW of Aspen Springs, California · 14859 days ago · 2 km deep · 72 km away
  37. 1.64 km NNW of Round Valley, California · 14856 days ago · 5 km deep · 58 km away
  38. 3.16 km SE of Mammoth Lakes, California · 14856 days ago · 3 km deep · 87 km away
  39. 1.86 km SE of Mammoth Lakes, California · 14853 days ago · 3 km deep · 87 km away
  40. 2.76 km SE of Mammoth Lakes, California · 14853 days ago · 2 km deep · 87 km away
  41. 1.813 km SSE of Dyer, Nevada · 14853 days ago · 0 km deep · 65 km away
  42. 1.66 km SE of Mammoth Lakes, California · 14853 days ago · 3 km deep · 87 km away
  43. 1.51 km ENE of Round Valley, California · 14852 days ago · 10 km deep · 53 km away
  44. 2.71 km E of Round Valley, California · 14852 days ago · 11 km deep · 53 km away
  45. 1.612 km SE of Mammoth Lakes, California · 14852 days ago · 4 km deep · 82 km away
  46. 2.011 km W of Aspen Springs, California · 14852 days ago · 7 km deep · 80 km away
  47. 1.69 km W of Aspen Springs, California · 14851 days ago · 3 km deep · 77 km away
  48. 2.15km SSE of Independence, CA · 14851 days ago · 4 km deep · 28 km away
  49. 2.211 km SE of Mammoth Lakes, California · 14851 days ago · 4 km deep · 82 km away
  50. 1.611 km SE of Mammoth Lakes, California · 14851 days ago · 4 km deep · 82 km away
  51. 3.55 km NW of Dixon Lane-Meadow Creek, California · 14851 days ago · 12 km deep · 50 km away
  52. 1.511 km SE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 82 km away
  53. 1.78 km SE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 86 km away
  54. 1.98 km SE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 86 km away
  55. 1.811 km SE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 82 km away
  56. 1.68 km ESE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 85 km away
  57. 3.011 km SW of Aspen Springs, California · 14850 days ago · 12 km deep · 70 km away
  58. 1.511 km SE of Mammoth Lakes, California · 14850 days ago · 4 km deep · 82 km away
  59. 1.710 km ESE of Mammoth Lakes, California · 14850 days ago · 2 km deep · 85 km away
  60. 1.610 km WNW of Aspen Springs, California · 14850 days ago · 3 km deep · 81 km away

The first 60 of 103.

Before

  1. 2.14 km NW of Round Valley, California · 14882 days ago · 13 km deep · 58 km away
  2. 1.64 km NW of Round Valley, California · 14882 days ago · 13 km deep · 58 km away
  3. 1.95 km NNW of Round Valley, California · 14882 days ago · 13 km deep · 58 km away
  4. 3.74 km NW of Round Valley, California · 14882 days ago · 13 km deep · 58 km away
  5. 2.14 km NW of Round Valley, California · 14882 days ago · 13 km deep · 58 km away
  6. 1.840km WSW of Stovepipe Wells, CA · 14883 days ago · 5 km deep · 85 km away
  7. 1.73 km S of Swall Meadows, California · 14884 days ago · 6 km deep · 61 km away
  8. 1.632km W of Olancha, CA · 14884 days ago · 4 km deep · 78 km away
  9. 2.712 km WSW of Aspen Springs, California · 14884 days ago · 6 km deep · 73 km away
  10. 2.734km ENE of Olancha, CA · 14885 days ago · 5 km deep · 85 km away
  11. 2.07 km NE of Big Pine, California · 14886 days ago · 8 km deep · 24 km away
  12. 1.729km W of Olancha, CA · 14887 days ago · 2 km deep · 79 km away
  13. 1.610 km SW of Swall Meadows, California · 14888 days ago · 14 km deep · 63 km away
  14. 1.80 km W of Round Valley, California · 14889 days ago · 5 km deep · 53 km away
  15. 1.60 km WNW of Round Valley, California · 14889 days ago · 5 km deep · 54 km away
  16. 2.20 km WNW of Round Valley, California · 14889 days ago · 5 km deep · 54 km away
  17. 1.50 km WNW of Round Valley, California · 14889 days ago · 4 km deep · 54 km away
  18. 1.612 km W of Aspen Springs, California · 14889 days ago · 7 km deep · 77 km away
  19. 2.012 km W of Aspen Springs, California · 14890 days ago · 7 km deep · 77 km away
  20. 3.012 km W of Aspen Springs, California · 14890 days ago · 7 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc62544 (also filed as ci112435). Read Tue, Sep 29, 2026, 2:05 PM UTC.