California earthquakes

M1.8 earthquake 18 km NW of Benton, California

A magnitude 1.8 earthquake struck 18 km NW of Benton, California on Sun, Dec 21, 1986, 9:28 PM PST (05:28 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.0 20 km N of Dixon Lane-Meadow Creek, California. This one was a foreshock.

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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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-12-22 05:28:15 UTC
Depth
2.3 km (1.5 mi), shallow
Epicenter
37.954° N, 118.601° 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, 1.2 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
75°
Stations used
15

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

After

  1. 2.514 km ENE of Swall Meadows, California · 14532 days ago · 11 km deep · 44 km away
  2. 1.64 km SSE of Swall Meadows, California · 14532 days ago · 6 km deep · 54 km away
  3. 1.918 km NNW of Bridgeport, California · 14532 days ago · 4 km deep · 80 km away
  4. 1.918 km ENE of Mono City, California · 14532 days ago · 4 km deep · 35 km away
  5. 1.811 km NNE of Dixon Lane-Meadow Creek, California · 14531 days ago · 5 km deep · 56 km away
  6. 1.719 km ENE of Mono City, California · 14531 days ago · 4 km deep · 35 km away
  7. 1.517 km ENE of Swall Meadows, California · 14531 days ago · 6 km deep · 42 km away
  8. 1.618 km ENE of Swall Meadows, California · 14531 days ago · 7 km deep · 44 km away
  9. 2.017 km ENE of Swall Meadows, California · 14530 days ago · 6 km deep · 44 km away
  10. 1.735 km NW of Benton, California · 14530 days ago · 4 km deep · 17 km away
  11. 1.613 km N of Dixon Lane-Meadow Creek, California · 14530 days ago · 7 km deep · 53 km away
  12. 2.610 km NNE of Dixon Lane-Meadow Creek, California · 14530 days ago · 6 km deep · 57 km away
  13. 1.79 km NNE of Dixon Lane-Meadow Creek, California · 14530 days ago · 5 km deep · 57 km away
  14. 1.88 km NE of Dixon Lane-Meadow Creek, California · 14529 days ago · 5 km deep · 61 km away
  15. 3.018 km ENE of Swall Meadows, California · 14529 days ago · 7 km deep · 42 km away
  16. 1.818 km SE of Walker, California · 14529 days ago · 5 km deep · 80 km away
  17. 2.318 km ENE of Swall Meadows, California · 14529 days ago · 7 km deep · 42 km away
  18. 1.922 km SSE of Benton, California · 14529 days ago · 7 km deep · 40 km away
  19. 3.320 km N of Dixon Lane-Meadow Creek, California · 14529 days ago · 3 km deep · 46 km away
  20. 1.613 km W of Aspen Springs, California · 14529 days ago · 6 km deep · 52 km away
  21. 2.713 km W of Aspen Springs, California · 14529 days ago · 6 km deep · 52 km away
  22. 2.018 km ENE of Swall Meadows, California · 14529 days ago · 7 km deep · 41 km away
  23. 2.718 km ENE of Swall Meadows, California · 14529 days ago · 7 km deep · 42 km away
  24. 1.69 km N of Dixon Lane-Meadow Creek, California · 14529 days ago · 7 km deep · 56 km away
  25. 2.520 km N of Dixon Lane-Meadow Creek, California · 14529 days ago · 3 km deep · 46 km away
  26. 1.519 km ENE of Sunny Slopes, California · 14528 days ago · 5 km deep · 38 km away
  27. 2.112 km W of Aspen Springs, California · 14528 days ago · 6 km deep · 52 km away
  28. 1.619 km ENE of Mono City, California · 14528 days ago · 5 km deep · 35 km away
  29. 1.54 km WSW of Mammoth Lakes, California · 14528 days ago · 1 km deep · 52 km away
  30. 1.65 km WSW of Mammoth Lakes, California · 14528 days ago · 3 km deep · 52 km away
  31. 2.422 km SSE of Benton, California · 14528 days ago · 7 km deep · 40 km away
  32. 4.020 km N of Dixon Lane-Meadow Creek, California · 14528 days ago · 3 km deep · 46 km away
  33. 1.820 km N of Dixon Lane-Meadow Creek, California · 14528 days ago · 3 km deep · 46 km away
  34. 1.610 km SW of Aspen Springs, California · 14528 days ago · 7 km deep · 55 km away
  35. 1.520 km N of Dixon Lane-Meadow Creek, California · 14527 days ago · 3 km deep · 46 km away
  36. 2.416 km NNE of Mesa, California · 14527 days ago · 4 km deep · 46 km away
  37. 1.619 km ENE of Mono City, California · 14527 days ago · 3 km deep · 35 km away
  38. 1.819 km ENE of Mono City, California · 14527 days ago · 4 km deep · 35 km away
  39. 1.616 km E of Sunny Slopes, California · 14527 days ago · 8 km deep · 41 km away
  40. 2.120 km ENE of Mono City, California · 14526 days ago · 7 km deep · 34 km away
  41. 2.519 km ENE of Mono City, California · 14526 days ago · 3 km deep · 35 km away
  42. 2.218 km NNW of Bridgeport, California · 14526 days ago · 2 km deep · 79 km away
  43. 1.69 km W of Aspen Springs, California · 14526 days ago · 3 km deep · 49 km away
  44. 1.89 km W of Aspen Springs, California · 14526 days ago · 3 km deep · 49 km away
  45. 1.517 km ENE of Mono City, California · 14526 days ago · 6 km deep · 35 km away
  46. 1.70 km ESE of Aspen Springs, California · 14525 days ago · 5 km deep · 46 km away
  47. 2.118 km ENE of Mono City, California · 14525 days ago · 4 km deep · 35 km away
  48. 1.911 km WSW of Aspen Springs, California · 14525 days ago · 3 km deep · 54 km away
  49. 2.411 km NNE of Dixon Lane-Meadow Creek, California · 14524 days ago · 5 km deep · 55 km away
  50. 1.711 km NNE of Dixon Lane-Meadow Creek, California · 14524 days ago · 5 km deep · 55 km away
  51. 1.617 km ENE of Sunny Slopes, California · 14524 days ago · 7 km deep · 40 km away
  52. 2.79 km ENE of Bishop, California · 14524 days ago · 5 km deep · 69 km away
  53. 1.919 km ENE of Mono City, California · 14523 days ago · 4 km deep · 35 km away
  54. 2.818 km ENE of Swall Meadows, California · 14523 days ago · 7 km deep · 42 km away
  55. 1.913 km WNW of Benton, California · 14523 days ago · 2 km deep · 7 km away
  56. 1.911 km ENE of Big Pine, California · 14522 days ago · 8 km deep · 94 km away
  57. 1.718 km NE of Mesa, California · 14522 days ago · 5 km deep · 47 km away
  58. 1.514 km N of Dixon Lane-Meadow Creek, California · 14522 days ago · 8 km deep · 51 km away
  59. 1.819 km ESE of Yosemite Valley, California · 14522 days ago · 4 km deep · 76 km away
  60. 1.716 km ENE of Swall Meadows, California · 14522 days ago · 8 km deep · 42 km away

The first 60 of at least 199.

Before

  1. 1.620 km ENE of Mono City, California · 14533 days ago · 3 km deep · 35 km away
  2. 1.814 km ENE of Swall Meadows, California · 14533 days ago · 8 km deep · 43 km away
  3. 1.519 km ENE of Mono City, California · 14533 days ago · 2 km deep · 35 km away
  4. 1.618 km ENE of Swall Meadows, California · 14533 days ago · 7 km deep · 42 km away
  5. 1.819 km ESE of Yosemite Valley, California · 14534 days ago · 20 km deep · 73 km away
  6. 1.518 km ENE of Mono City, California · 14534 days ago · 4 km deep · 34 km away
  7. 1.910 km N of Dixon Lane-Meadow Creek, California · 14534 days ago · 2 km deep · 56 km away
  8. 1.67 km NNE of Mesa, California · 14534 days ago · 3 km deep · 53 km away
  9. 1.814 km NNE of Mesa, California · 14534 days ago · 4 km deep · 49 km away
  10. 1.514 km SW of Aspen Springs, California · 14534 days ago · 5 km deep · 57 km away
  11. 1.816 km NE of Mesa, California · 14535 days ago · 11 km deep · 48 km away
  12. 1.518 km NNE of Mesa, California · 14535 days ago · 4 km deep · 45 km away
  13. 1.519 km ENE of Mono City, California · 14535 days ago · 6 km deep · 35 km away
  14. 1.720 km ENE of Mono City, California · 14535 days ago · 3 km deep · 35 km away
  15. 2.520 km ENE of Mono City, California · 14535 days ago · 5 km deep · 34 km away
  16. 1.513 km N of Dixon Lane-Meadow Creek, California · 14535 days ago · 7 km deep · 51 km away
  17. 1.924 km NNW of Benton, California · 14535 days ago · 7 km deep · 6 km away
  18. 2.020 km E of Big Pine, California · 14535 days ago · 5 km deep · 98 km away
  19. 1.811 km NNE of Dixon Lane-Meadow Creek, California · 14535 days ago · 2 km deep · 56 km away
  20. 2.215 km NNE of Mesa, California · 14535 days ago · 9 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1146039. Read Mon, Oct 5, 2026, 7:21 AM UTC.