California earthquakes

M1.9 earthquake 12 km ENE of Big Pine, California

A magnitude 1.9 earthquake struck 12 km ENE of Big Pine, California on Mon, Sep 21, 1987, 7:55 PM PDT (02:55 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.1 13 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
1.9 (md), micro
Local time
UTC
1987-09-22 02:55:37 UTC
Depth
2.5 km (1.6 mi), shallow
Epicenter
37.202° N, 118.153° 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 0.5 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
241°, poorly surrounded by stations
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 106 in the 30 days before it.

After

  1. 1.814 km NE of Mesa, California · 14252 days ago · 10 km deep · 44 km away
  2. 1.913 km NW of Benton, California · 14252 days ago · 4 km deep · 87 km away
  3. 1.510 km SW of Aspen Springs, California · 14252 days ago · 4 km deep · 66 km away
  4. 1.619 km S of Mammoth Lakes, California · 14252 days ago · 4 km deep · 78 km away
  5. 1.813 km NW of Benton, California · 14251 days ago · 6 km deep · 87 km away
  6. 1.62 km NW of Mesa, California · 14251 days ago · 10 km deep · 45 km away
  7. 1.710 km W of Wilkerson, California · 14250 days ago · 12 km deep · 32 km away
  8. 1.710 km SW of Aspen Springs, California · 14250 days ago · 4 km deep · 66 km away
  9. 1.73 km ESE of Mammoth Lakes, California · 14250 days ago · 5 km deep · 84 km away
  10. 2.311 km NNE of Dixon Lane-Meadow Creek, California · 14250 days ago · 6 km deep · 38 km away
  11. 1.817 km ENE of Swall Meadows, California · 14249 days ago · 7 km deep · 50 km away
  12. 1.612 km NNE of Dixon Lane-Meadow Creek, California · 14249 days ago · 5 km deep · 39 km away
  13. 1.62 km WNW of Round Valley, California · 14249 days ago · 10 km deep · 48 km away
  14. 1.611 km NNE of Dixon Lane-Meadow Creek, California · 14248 days ago · 3 km deep · 36 km away
  15. 1.614 km N of Dixon Lane-Meadow Creek, California · 14248 days ago · 5 km deep · 41 km away
  16. 1.915km NNE of Olancha, CA · 14246 days ago · 11 km deep · 90 km away
  17. 1.615 km NNE of Mesa, California · 14246 days ago · 6 km deep · 47 km away
  18. 1.92 km W of Round Valley, California · 14245 days ago · 10 km deep · 48 km away
  19. 1.59 km WNW of Aspen Springs, California · 14245 days ago · 4 km deep · 72 km away
  20. 1.810 km SW of Aspen Springs, California · 14245 days ago · 5 km deep · 66 km away
  21. 2.117 km ENE of Big Pine, California · 14244 days ago · 1 km deep · 5 km away
  22. 2.06 km WSW of Mammoth Lakes, California · 14243 days ago · 2 km deep · 92 km away
  23. 2.110 km SW of Aspen Springs, California · 14243 days ago · 6 km deep · 66 km away
  24. 1.510 km SW of Aspen Springs, California · 14243 days ago · 5 km deep · 66 km away
  25. 1.510 km SW of Aspen Springs, California · 14243 days ago · 6 km deep · 66 km away
  26. 2.02 km NNW of Mesa, California · 14242 days ago · 9 km deep · 44 km away
  27. 2.211 km SE of Mammoth Lakes, California · 14242 days ago · 5 km deep · 76 km away
  28. 1.711 km NNE of Dixon Lane-Meadow Creek, California · 14242 days ago · 5 km deep · 37 km away
  29. 2.721 km ENE of Swall Meadows, California · 14241 days ago · 4 km deep · 51 km away
  30. 2.61 km SSW of Mesa, California · 14240 days ago · 5 km deep · 42 km away
  31. 1.67 km ENE of Mammoth Lakes, California · 14239 days ago · 5 km deep · 84 km away
  32. 1.62 km SSE of Mammoth Lakes, California · 14239 days ago · 7 km deep · 85 km away
  33. 1.712 km NNE of Dixon Lane-Meadow Creek, California · 14239 days ago · 5 km deep · 38 km away
  34. 1.64 km N of Round Valley, California · 14239 days ago · 7 km deep · 48 km away
  35. 2.227 km NW of Benton, California · 14238 days ago · 8 km deep · 100 km away
  36. 1.816 km ENE of Swall Meadows, California · 14237 days ago · 10 km deep · 51 km away
  37. 1.64 km SE of Swall Meadows, California · 14237 days ago · 11 km deep · 50 km away
  38. 1.813 km WSW of Aspen Springs, California · 14237 days ago · 3 km deep · 73 km away
  39. 1.718 km NE of Mesa, California · 14237 days ago · 3 km deep · 45 km away
  40. 1.512 km SE of Mammoth Lakes, California · 14237 days ago · 3 km deep · 75 km away
  41. 1.812 km SE of Mammoth Lakes, California · 14237 days ago · 1 km deep · 75 km away
  42. 1.52 km SSE of Mammoth Lakes, California · 14237 days ago · 4 km deep · 85 km away
  43. 1.73 km SE of Mammoth Lakes, California · 14236 days ago · 3 km deep · 84 km away
  44. 1.72 km SSE of Mammoth Lakes, California · 14236 days ago · 7 km deep · 86 km away
  45. 2.07 km WSW of Mammoth Lakes, California · 14236 days ago · 2 km deep · 93 km away
  46. 1.94 km N of Round Valley, California · 14236 days ago · 6 km deep · 48 km away
  47. 1.84 km N of Round Valley, California · 14236 days ago · 5 km deep · 48 km away
  48. 1.612 km ESE of Mammoth Lakes, California · 14236 days ago · 6 km deep · 75 km away
  49. 1.79 km W of Aspen Springs, California · 14236 days ago · 3 km deep · 71 km away
  50. 1.610 km W of Aspen Springs, California · 14235 days ago · 2 km deep · 73 km away
  51. 1.615 km N of Dixon Lane-Meadow Creek, California · 14235 days ago · 10 km deep · 43 km away
  52. 1.62 km NNE of Swall Meadows, California · 14235 days ago · 4 km deep · 55 km away
  53. 1.710 km WNW of Aspen Springs, California · 14235 days ago · 3 km deep · 73 km away
  54. 2.14 km N of Round Valley, California · 14235 days ago · 5 km deep · 48 km away
  55. 1.615 km NE of Mesa, California · 14235 days ago · 10 km deep · 44 km away
  56. 2.014 km W of Aspen Springs, California · 14234 days ago · 4 km deep · 74 km away
  57. 1.6California-Nevada border region · 14234 days ago · 10 km deep · 68 km away
  58. 2.0California-Nevada border region · 14234 days ago · 4 km deep · 79 km away
  59. 1.85 km SSW of Swall Meadows, California · 14234 days ago · 10 km deep · 54 km away
  60. 1.84 km NNW of Round Valley, California · 14234 days ago · 7 km deep · 49 km away

The first 60 of 198.

Before

  1. 1.6California-Nevada border region · 14253 days ago · 5 km deep · 88 km away
  2. 1.713 km NW of Benton, California · 14253 days ago · 7 km deep · 87 km away
  3. 2.113 km NW of Benton, California · 14253 days ago · 7 km deep · 88 km away
  4. 1.814 km NW of Benton, California · 14253 days ago · 3 km deep · 88 km away
  5. 2.513 km NW of Benton, California · 14253 days ago · 7 km deep · 87 km away
  6. 1.711 km WSW of Aspen Springs, California · 14253 days ago · 9 km deep · 69 km away
  7. 1.717 km ENE of Swall Meadows, California · 14254 days ago · 7 km deep · 49 km away
  8. 2.610 km WNW of Aspen Springs, California · 14254 days ago · 6 km deep · 73 km away
  9. 1.817 km NE of Mesa, California · 14254 days ago · 5 km deep · 46 km away
  10. 1.915 km NE of Mesa, California · 14254 days ago · 10 km deep · 45 km away
  11. 1.64 km NNW of Round Valley, California · 14255 days ago · 6 km deep · 49 km away
  12. 1.718 km ENE of Swall Meadows, California · 14256 days ago · 6 km deep · 50 km away
  13. 1.72 km NNE of Round Valley, California · 14256 days ago · 5 km deep · 45 km away
  14. 1.815 km NNE of Mesa, California · 14256 days ago · 6 km deep · 47 km away
  15. 1.616 km N of Dixon Lane-Meadow Creek, California · 14256 days ago · 5 km deep · 44 km away
  16. 1.616 km ENE of Swall Meadows, California · 14258 days ago · 7 km deep · 50 km away
  17. 1.612 km ESE of Mammoth Lakes, California · 14258 days ago · 7 km deep · 75 km away
  18. 1.715 km NE of Swall Meadows, California · 14258 days ago · 9 km deep · 53 km away
  19. 1.87 km ENE of Bishop, California · 14259 days ago · 6 km deep · 24 km away
  20. 1.725 km NW of Benton, California · 14259 days ago · 9 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc106191. Read Tue, Sep 29, 2026, 10:39 PM UTC.