California earthquakes

M2.1 earthquake 28 km W of Three Rocks, California

A magnitude 2.1 earthquake struck 28 km W of Three Rocks, California on Mon, Dec 27, 1982, 2:17 PM PST (22:17 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.2 28 km W of Three Rocks, 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
2.1 (md), micro
Local time
UTC
1982-12-27 22:17:17 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
36.527° N, 120.709° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
178°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 2.228 km W of Three Rocks, California · 15975 days ago · 9 km deep · 0 km away
  2. 2.610 km S of Tres Pinos, California · 15974 days ago · 5 km deep · 59 km away
  3. 1.621 km NE of King City, California · 15973 days ago · 4 km deep · 30 km away
  4. 2.46 km WSW of Gilroy, California · 15973 days ago · 3 km deep · 97 km away
  5. 1.74 km SSW of Coalinga, California · 15973 days ago · 5 km deep · 55 km away
  6. 2.024 km NE of Greenfield, California · 15973 days ago · 1 km deep · 31 km away
  7. 2.115 km NNW of San Simeon, California · 15973 days ago · 5 km deep · 96 km away
  8. 1.613 km NNW of Coalinga, California · 15972 days ago · 7 km deep · 41 km away
  9. 3.316 km SSE of Tres Pinos, California · 15972 days ago · 4 km deep · 51 km away
  10. 1.621 km NW of Coalinga, California · 15971 days ago · 10 km deep · 31 km away
  11. 2.46 km WSW of Kettleman City, California · 15970 days ago · 5 km deep · 85 km away
  12. 1.717 km SW of Volta, California · 15969 days ago · 3 km deep · 57 km away
  13. 1.515 km SSE of Tres Pinos, California · 15968 days ago · 5 km deep · 52 km away
  14. 1.717 km SSE of Tres Pinos, California · 15968 days ago · 5 km deep · 51 km away
  15. 1.523 km NW of Coalinga, California · 15967 days ago · 5 km deep · 30 km away
  16. 1.822 km SSE of Tres Pinos, California · 15967 days ago · 4 km deep · 45 km away
  17. 2.717 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 51 km away
  18. 1.717 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 51 km away
  19. 1.517 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 51 km away
  20. 3.410 km S of Tres Pinos, California · 15966 days ago · 5 km deep · 59 km away
  21. 2.223 km ENE of San Lucas, California · 15964 days ago · 5 km deep · 34 km away
  22. 1.924 km ENE of King City, California · 15963 days ago · 4 km deep · 28 km away
  23. 2.224 km NE of Greenfield, California · 15962 days ago · 2 km deep · 31 km away
  24. 1.83 km S of San Juan Bautista, California · 15962 days ago · 6 km deep · 81 km away
  25. 1.824 km NE of Greenfield, California · 15961 days ago · 2 km deep · 30 km away
  26. 1.524 km ENE of Greenfield, California · 15960 days ago · 6 km deep · 28 km away
  27. 1.616 km NW of Parkfield, California · 15960 days ago · 2 km deep · 59 km away
  28. 1.69 km N of Hollister, California · 15960 days ago · 7 km deep · 78 km away
  29. 1.617 km NW of Parkfield, California · 15959 days ago · 1 km deep · 59 km away
  30. 2.623 km NW of Coalinga, California · 15959 days ago · 11 km deep · 29 km away
  31. 3.019 km S of Three Rocks, California · 15959 days ago · 8 km deep · 38 km away
  32. 1.923 km NE of San Ardo, California · 15959 days ago · 6 km deep · 37 km away
  33. 1.622 km ENE of San Lucas, California · 15959 days ago · 2 km deep · 37 km away
  34. 1.819 km SSE of Tres Pinos, California · 15958 days ago · 6 km deep · 49 km away
  35. 2.8Central California · 15958 days ago · 11 km deep · 28 km away
  36. 1.815 km NW of Parkfield, California · 15958 days ago · 6 km deep · 60 km away
  37. 1.88 km ESE of Tres Pinos, California · 15958 days ago · 9 km deep · 54 km away
  38. 1.622 km ESE of Tres Pinos, California · 15958 days ago · 5 km deep · 40 km away
  39. 1.624 km ENE of San Lucas, California · 15957 days ago · 4 km deep · 36 km away
  40. 1.736 km W of Lockwood, California · 15957 days ago · 10 km deep · 95 km away
  41. 1.525 km ENE of San Ardo, California · 15957 days ago · 1 km deep · 51 km away
  42. 1.510 km NW of Avenal, California · 15957 days ago · 8 km deep · 67 km away
  43. 2.0Central California · 15955 days ago · 5 km deep · 58 km away
  44. 2.423 km NE of San Lucas, California · 15955 days ago · 7 km deep · 32 km away
  45. 1.834 km W of Lockwood, California · 15954 days ago · 11 km deep · 91 km away
  46. 2.036 km W of Lockwood, California · 15954 days ago · 14 km deep · 96 km away
  47. 1.78 km SSW of Tres Pinos, California · 15954 days ago · 3 km deep · 62 km away
  48. 2.49 km S of Tres Pinos, California · 15954 days ago · 3 km deep · 59 km away
  49. 2.39 km S of Tres Pinos, California · 15954 days ago · 4 km deep · 59 km away
  50. 2.114 km SSE of Tres Pinos, California · 15954 days ago · 5 km deep · 52 km away
  51. 1.723 km NE of San Lucas, California · 15953 days ago · 6 km deep · 30 km away
  52. 2.08 km SSW of Tres Pinos, California · 15953 days ago · 3 km deep · 63 km away
  53. 1.621 km NE of Soledad, California · 15953 days ago · 6 km deep · 39 km away
  54. 1.8Central California · 15953 days ago · 3 km deep · 56 km away
  55. 1.821 km SSW of South Dos Palos, California · 15952 days ago · 11 km deep · 29 km away
  56. 2.021 km NE of Soledad, California · 15952 days ago · 6 km deep · 43 km away
  57. 2.822 km NNE of Soledad, California · 15952 days ago · 3 km deep · 45 km away
  58. 2.45 km SSE of Avenal, California · 15952 days ago · 13 km deep · 83 km away
  59. 1.616 km SSE of Tres Pinos, California · 15951 days ago · 3 km deep · 51 km away
  60. 2.329 km WNW of Three Rocks, California · 15951 days ago · 5 km deep · 7 km away

The first 60 of 148.

Before

  1. 2.09 km N of Hollister, California · 15976 days ago · 8 km deep · 78 km away
  2. 1.64 km SW of Tres Pinos, California · 15976 days ago · 8 km deep · 63 km away
  3. 1.93 km S of San Juan Bautista, California · 15976 days ago · 6 km deep · 80 km away
  4. 1.922 km ENE of San Ardo, California · 15976 days ago · 3 km deep · 47 km away
  5. 2.04 km SSW of Gilroy, California · 15977 days ago · 6 km deep · 92 km away
  6. 2.022 km NE of Soledad, California · 15977 days ago · 4 km deep · 40 km away
  7. 1.73 km S of San Juan Bautista, California · 15977 days ago · 6 km deep · 81 km away
  8. 1.716 km SSE of Tres Pinos, California · 15977 days ago · 5 km deep · 52 km away
  9. 3.53 km SSW of San Juan Bautista, California · 15977 days ago · 7 km deep · 81 km away
  10. 1.624 km SE of Tres Pinos, California · 15977 days ago · 8 km deep · 39 km away
  11. 2.34 km SW of Tres Pinos, California · 15978 days ago · 5 km deep · 64 km away
  12. 2.021 km NW of Coalinga, California · 15978 days ago · 8 km deep · 32 km away
  13. 1.924 km NW of Coalinga, California · 15978 days ago · 9 km deep · 28 km away
  14. 1.95 km WSW of Gilroy, California · 15979 days ago · 4 km deep · 96 km away
  15. 1.717 km SW of Lockwood, California · 15979 days ago · 1 km deep · 90 km away
  16. 2.225 km ENE of Greenfield, California · 15979 days ago · 3 km deep · 28 km away
  17. 2.223 km SSW of Three Rocks, California · 15980 days ago · 10 km deep · 29 km away
  18. 3.11 km SSE of Parkfield, California · 15980 days ago · 5 km deep · 76 km away
  19. 1.630 km W of Three Rocks, California · 15981 days ago · 8 km deep · 2 km away
  20. 2.88 km NE of Gilroy, California · 15981 days ago · 4 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083573. Read Wed, Sep 23, 2026, 3:33 AM UTC.