California earthquakes

M2.5 earthquake 13 km NW of Benton, California

A magnitude 2.5 earthquake struck 13 km NW of Benton, California on Mon, Sep 21, 1987, 9:00 AM PDT (16:00 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.0 24 km E of Fish Camp, California. This one was a foreshock.

Mammoth Lakes 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
2.5 (md), micro
Local time
UTC
1987-09-21 16:00:32 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
37.916° N, 118.569° 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, 1.6 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
71°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.88 km ENE of June Lake, California · 14224 days ago · 1 km deep · 39 km away
  2. 1.512 km SW of Aspen Springs, California · 14224 days ago · 2 km deep · 53 km away
  3. 2.21 km NW of Mesa, California · 14224 days ago · 5 km deep · 54 km away
  4. 2.517 km NE of Mesa, California · 14224 days ago · 5 km deep · 43 km away
  5. 1.83 km WNW of Swall Meadows, California · 14223 days ago · 4 km deep · 46 km away
  6. 3.024 km E of Fish Camp, California · 14223 days ago · 14 km deep · 85 km away
  7. 3.524 km E of Fish Camp, California · 14223 days ago · 15 km deep · 85 km away
  8. 1.927 km NE of Bass Lake, California · 14223 days ago · 4 km deep · 83 km away
  9. 2.229 km E of Fish Camp, California · 14223 days ago · 4 km deep · 80 km away
  10. 2.424 km E of Fish Camp, California · 14223 days ago · 16 km deep · 84 km away
  11. 2.924 km E of Fish Camp, California · 14223 days ago · 16 km deep · 85 km away
  12. 2.523 km E of Fish Camp, California · 14223 days ago · 4 km deep · 85 km away
  13. 1.824 km E of Fish Camp, California · 14223 days ago · 4 km deep · 85 km away
  14. 3.024 km E of Fish Camp, California · 14223 days ago · 17 km deep · 84 km away
  15. 1.825 km E of Fish Camp, California · 14223 days ago · 8 km deep · 84 km away
  16. 2.026 km E of Fish Camp, California · 14223 days ago · 12 km deep · 82 km away
  17. 2.329 km E of Fish Camp, California · 14223 days ago · 14 km deep · 79 km away
  18. 2.09 km WNW of Aspen Springs, California · 14223 days ago · 4 km deep · 44 km away
  19. 1.91 km WNW of Mesa, California · 14223 days ago · 5 km deep · 55 km away
  20. 2.225 km E of Fish Camp, California · 14223 days ago · 4 km deep · 84 km away
  21. 1.95 km N of Round Valley, California · 14222 days ago · 6 km deep · 50 km away
  22. 2.214 km N of Dixon Lane-Meadow Creek, California · 14222 days ago · 8 km deep · 46 km away
  23. 2.417 km ENE of Swall Meadows, California · 14222 days ago · 7 km deep · 38 km away
  24. 1.85 km NNW of Round Valley, California · 14222 days ago · 9 km deep · 51 km away
  25. 2.06 km WSW of Mammoth Lakes, California · 14221 days ago · 2 km deep · 53 km away
  26. 2.025 km E of Fish Camp, California · 14221 days ago · 9 km deep · 84 km away
  27. 1.514 km WSW of Aspen Springs, California · 14220 days ago · 4 km deep · 53 km away
  28. 1.914 km WSW of Aspen Springs, California · 14220 days ago · 5 km deep · 53 km away
  29. 1.69 km ESE of Mammoth Lakes, California · 14220 days ago · 1 km deep · 44 km away
  30. 1.58 km NNE of Dixon Lane-Meadow Creek, California · 14220 days ago · 7 km deep · 54 km away
  31. 2.026 km NE of Bass Lake, California · 14220 days ago · 6 km deep · 84 km away
  32. 1.6California-Nevada border region · 14220 days ago · 3 km deep · 53 km away
  33. 1.810 km NNW of Benton, California · 14220 days ago · -1 km deep · 4 km away
  34. 1.69 km W of Aspen Springs, California · 14220 days ago · 3 km deep · 47 km away
  35. 1.528 km ENE of Lee Vining, California · 14219 days ago · 7 km deep · 26 km away
  36. 1.925 km E of Fish Camp, California · 14219 days ago · 10 km deep · 84 km away
  37. 1.930 km E of Fish Camp, California · 14219 days ago · 17 km deep · 78 km away
  38. 1.826 km NE of Bass Lake, California · 14219 days ago · 7 km deep · 84 km away
  39. 2.128 km E of Fish Camp, California · 14219 days ago · 4 km deep · 81 km away
  40. 1.812 km SE of Mammoth Lakes, California · 14219 days ago · 1 km deep · 46 km away
  41. 1.53 km SSW of Mesa, California · 14219 days ago · 13 km deep · 58 km away
  42. 2.224 km E of Fish Camp, California · 14219 days ago · 15 km deep · 85 km away
  43. 2.230 km E of Fish Camp, California · 14218 days ago · 17 km deep · 78 km away
  44. 1.65 km ESE of Mammoth Lakes, California · 14218 days ago · 6 km deep · 43 km away
  45. 1.59 km NNE of Dixon Lane-Meadow Creek, California · 14218 days ago · 7 km deep · 53 km away
  46. 1.62 km WNW of Round Valley, California · 14217 days ago · 9 km deep · 55 km away
  47. 1.510 km SW of Aspen Springs, California · 14217 days ago · 5 km deep · 51 km away
  48. 2.119 km ENE of Swall Meadows, California · 14217 days ago · 6 km deep · 40 km away
  49. 2.218 km NE of Mesa, California · 14217 days ago · 5 km deep · 42 km away
  50. 1.811 km NNW of Benton, California · 14217 days ago · 10 km deep · 6 km away
  51. 1.611 km N of Benton, California · 14217 days ago · 6 km deep · 6 km away
  52. 1.811 km N of Benton, California · 14217 days ago · 2 km deep · 6 km away
  53. 1.811 km NNW of Benton, California · 14217 days ago · 3 km deep · 6 km away
  54. 1.617 km NNE of Mesa, California · 14217 days ago · 8 km deep · 41 km away
  55. 2.118 km ENE of Swall Meadows, California · 14216 days ago · 7 km deep · 39 km away
  56. 2.017 km ENE of Swall Meadows, California · 14216 days ago · 9 km deep · 38 km away
  57. 1.617 km ENE of Swall Meadows, California · 14215 days ago · 9 km deep · 38 km away
  58. 2.09 km NE of Bridgeport, California · 14215 days ago · 5 km deep · 67 km away
  59. 1.926 km NE of Bass Lake, California · 14215 days ago · 9 km deep · 84 km away
  60. 1.917 km ENE of Swall Meadows, California · 14215 days ago · 8 km deep · 39 km away

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc106159. Read Tue, Sep 22, 2026, 8:58 PM UTC.