California earthquakes

M1.6 earthquake 30 km W of Three Rocks, California

A magnitude 1.6 earthquake struck 30 km W of Three Rocks, California on Tue, Dec 21, 1982, 9:42 PM PST (05:42 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.1 1 km SSE of Parkfield, California. This one was a foreshock.

Mendota forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1982-12-22 05:42:44 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
36.530° N, 120.728° 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 1.0 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 3.11 km SSE of Parkfield, California · 15979 days ago · 5 km deep · 77 km away
  2. 2.223 km SSW of Three Rocks, California · 15979 days ago · 10 km deep · 30 km away
  3. 2.225 km ENE of Greenfield, California · 15979 days ago · 3 km deep · 27 km away
  4. 1.717 km SW of Lockwood, California · 15979 days ago · 1 km deep · 89 km away
  5. 1.95 km WSW of Gilroy, California · 15979 days ago · 4 km deep · 94 km away
  6. 1.924 km NW of Coalinga, California · 15978 days ago · 9 km deep · 30 km away
  7. 2.021 km NW of Coalinga, California · 15978 days ago · 8 km deep · 33 km away
  8. 2.34 km SW of Tres Pinos, California · 15978 days ago · 5 km deep · 62 km away
  9. 1.624 km SE of Tres Pinos, California · 15977 days ago · 8 km deep · 37 km away
  10. 3.53 km SSW of San Juan Bautista, California · 15977 days ago · 7 km deep · 80 km away
  11. 1.716 km SSE of Tres Pinos, California · 15977 days ago · 5 km deep · 50 km away
  12. 1.73 km S of San Juan Bautista, California · 15976 days ago · 6 km deep · 79 km away
  13. 2.022 km NE of Soledad, California · 15976 days ago · 4 km deep · 39 km away
  14. 2.04 km SSW of Gilroy, California · 15976 days ago · 6 km deep · 91 km away
  15. 1.922 km ENE of San Ardo, California · 15976 days ago · 3 km deep · 47 km away
  16. 1.93 km S of San Juan Bautista, California · 15976 days ago · 6 km deep · 79 km away
  17. 1.64 km SW of Tres Pinos, California · 15976 days ago · 8 km deep · 61 km away
  18. 2.09 km N of Hollister, California · 15975 days ago · 8 km deep · 77 km away
  19. 2.128 km W of Three Rocks, California · 15975 days ago · 9 km deep · 2 km away
  20. 2.228 km W of Three Rocks, California · 15975 days ago · 9 km deep · 1 km away
  21. 2.610 km S of Tres Pinos, California · 15974 days ago · 5 km deep · 57 km away
  22. 1.621 km NE of King City, California · 15973 days ago · 4 km deep · 29 km away
  23. 2.46 km WSW of Gilroy, California · 15973 days ago · 3 km deep · 96 km away
  24. 1.74 km SSW of Coalinga, California · 15973 days ago · 5 km deep · 57 km away
  25. 2.024 km NE of Greenfield, California · 15973 days ago · 1 km deep · 29 km away
  26. 2.115 km NNW of San Simeon, California · 15972 days ago · 5 km deep · 96 km away
  27. 1.613 km NNW of Coalinga, California · 15972 days ago · 7 km deep · 43 km away
  28. 3.316 km SSE of Tres Pinos, California · 15972 days ago · 4 km deep · 49 km away
  29. 1.621 km NW of Coalinga, California · 15971 days ago · 10 km deep · 33 km away
  30. 2.46 km WSW of Kettleman City, California · 15969 days ago · 5 km deep · 86 km away
  31. 1.717 km SW of Volta, California · 15969 days ago · 3 km deep · 56 km away
  32. 1.515 km SSE of Tres Pinos, California · 15968 days ago · 5 km deep · 51 km away
  33. 1.717 km SSE of Tres Pinos, California · 15967 days ago · 5 km deep · 49 km away
  34. 1.523 km NW of Coalinga, California · 15967 days ago · 5 km deep · 31 km away
  35. 1.822 km SSE of Tres Pinos, California · 15967 days ago · 4 km deep · 43 km away
  36. 2.717 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 49 km away
  37. 1.717 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 49 km away
  38. 1.517 km SSE of Tres Pinos, California · 15966 days ago · 5 km deep · 49 km away
  39. 3.410 km S of Tres Pinos, California · 15966 days ago · 5 km deep · 57 km away
  40. 2.223 km ENE of San Lucas, California · 15964 days ago · 5 km deep · 34 km away
  41. 1.924 km ENE of King City, California · 15963 days ago · 4 km deep · 27 km away
  42. 2.224 km NE of Greenfield, California · 15962 days ago · 2 km deep · 29 km away
  43. 1.83 km S of San Juan Bautista, California · 15962 days ago · 6 km deep · 80 km away
  44. 1.824 km NE of Greenfield, California · 15961 days ago · 2 km deep · 29 km away
  45. 1.524 km ENE of Greenfield, California · 15960 days ago · 6 km deep · 27 km away
  46. 1.616 km NW of Parkfield, California · 15960 days ago · 2 km deep · 60 km away
  47. 1.69 km N of Hollister, California · 15959 days ago · 7 km deep · 77 km away
  48. 1.617 km NW of Parkfield, California · 15959 days ago · 1 km deep · 60 km away
  49. 2.623 km NW of Coalinga, California · 15959 days ago · 11 km deep · 31 km away
  50. 3.019 km S of Three Rocks, California · 15959 days ago · 8 km deep · 39 km away
  51. 1.923 km NE of San Ardo, California · 15959 days ago · 6 km deep · 38 km away
  52. 1.622 km ENE of San Lucas, California · 15958 days ago · 2 km deep · 37 km away
  53. 1.819 km SSE of Tres Pinos, California · 15958 days ago · 6 km deep · 47 km away
  54. 2.8Central California · 15958 days ago · 11 km deep · 29 km away
  55. 1.815 km NW of Parkfield, California · 15958 days ago · 6 km deep · 61 km away
  56. 1.88 km ESE of Tres Pinos, California · 15957 days ago · 9 km deep · 52 km away
  57. 1.622 km ESE of Tres Pinos, California · 15957 days ago · 5 km deep · 39 km away
  58. 1.624 km ENE of San Lucas, California · 15957 days ago · 4 km deep · 36 km away
  59. 1.736 km W of Lockwood, California · 15957 days ago · 10 km deep · 94 km away
  60. 1.525 km ENE of San Ardo, California · 15957 days ago · 1 km deep · 52 km away

The first 60 of 156.

Before

  1. 2.88 km NE of Gilroy, California · 15981 days ago · 4 km deep · 90 km away
  2. 2.121 km SSW of Three Rocks, California · 15981 days ago · 10 km deep · 29 km away
  3. 3.04 km ESE of Interlaken, California · 15981 days ago · 11 km deep · 96 km away
  4. 2.09 km SSW of Ridgemark, California · 15982 days ago · 5 km deep · 65 km away
  5. 2.023 km NE of San Ardo, California · 15982 days ago · 5 km deep · 39 km away
  6. 1.619 km NW of Parkfield, California · 15982 days ago · 4 km deep · 58 km away
  7. 1.66 km ESE of Kettleman City, California · 15982 days ago · 12 km deep · 96 km away
  8. 1.65 km SSW of Gilroy, California · 15983 days ago · 7 km deep · 90 km away
  9. 1.611 km SSW of Oak Shores, California · 15983 days ago · 6 km deep · 99 km away
  10. 3.06 km SSE of Parkfield, California · 15984 days ago · 6 km deep · 82 km away
  11. 1.624 km ENE of Soledad, California · 15984 days ago · 4 km deep · 31 km away
  12. 1.723 km NE of Soledad, California · 15984 days ago · 6 km deep · 37 km away
  13. 1.612 km SSW of Oak Shores, California · 15985 days ago · 5 km deep · 100 km away
  14. 2.220 km SSE of Tres Pinos, California · 15985 days ago · 5 km deep · 46 km away
  15. 2.511 km S of Tres Pinos, California · 15986 days ago · 6 km deep · 55 km away
  16. 2.014 km SSE of Tres Pinos, California · 15987 days ago · 5 km deep · 50 km away
  17. 3.29 km NE of San Juan Bautista, California · 15989 days ago · 5 km deep · 79 km away
  18. 2.62 km WNW of Parkfield, California · 15989 days ago · 6 km deep · 73 km away
  19. 2.12 km NW of Parkfield, California · 15989 days ago · 7 km deep · 73 km away
  20. 1.521 km NE of Soledad, California · 15989 days ago · 8 km deep · 37 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083347. Read Tue, Sep 22, 2026, 11:27 PM UTC.