California earthquakes

M2.1 earthquake 21 km SSW of Three Rocks, California

A magnitude 2.1 earthquake struck 21 km SSW of Three Rocks, California on Tue, Dec 21, 1982, 7:39 PM PST (03:39 UTC), 10 km (6 mi) below the surface.

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

Coalinga 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
2.1 (md), micro
Local time
UTC
1982-12-22 03:39:50 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
36.337° N, 120.512° 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, 0.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
148°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.630 km W of Three Rocks, California · 15982 days ago · 8 km deep · 29 km away
  2. 3.11 km SSE of Parkfield, California · 15981 days ago · 5 km deep · 51 km away
  3. 2.223 km SSW of Three Rocks, California · 15981 days ago · 10 km deep · 3 km away
  4. 2.225 km ENE of Greenfield, California · 15980 days ago · 3 km deep · 46 km away
  5. 1.717 km SW of Lockwood, California · 15980 days ago · 1 km deep · 84 km away
  6. 1.924 km NW of Coalinga, California · 15979 days ago · 9 km deep · 4 km away
  7. 2.021 km NW of Coalinga, California · 15979 days ago · 8 km deep · 5 km away
  8. 2.34 km SW of Tres Pinos, California · 15979 days ago · 5 km deep · 89 km away
  9. 1.624 km SE of Tres Pinos, California · 15978 days ago · 8 km deep · 64 km away
  10. 1.716 km SSE of Tres Pinos, California · 15978 days ago · 5 km deep · 76 km away
  11. 2.022 km NE of Soledad, California · 15978 days ago · 4 km deep · 63 km away
  12. 1.922 km ENE of San Ardo, California · 15977 days ago · 3 km deep · 30 km away
  13. 1.64 km SW of Tres Pinos, California · 15977 days ago · 8 km deep · 89 km away
  14. 2.128 km W of Three Rocks, California · 15976 days ago · 9 km deep · 27 km away
  15. 2.228 km W of Three Rocks, California · 15976 days ago · 9 km deep · 28 km away
  16. 2.610 km S of Tres Pinos, California · 15975 days ago · 5 km deep · 84 km away
  17. 1.621 km NE of King City, California · 15974 days ago · 4 km deep · 37 km away
  18. 1.74 km SSW of Coalinga, California · 15974 days ago · 5 km deep · 28 km away
  19. 2.024 km NE of Greenfield, California · 15974 days ago · 1 km deep · 51 km away
  20. 2.115 km NNW of San Simeon, California · 15974 days ago · 5 km deep · 90 km away
  21. 1.613 km NNW of Coalinga, California · 15973 days ago · 7 km deep · 14 km away
  22. 3.316 km SSE of Tres Pinos, California · 15973 days ago · 4 km deep · 75 km away
  23. 1.621 km NW of Coalinga, California · 15972 days ago · 10 km deep · 5 km away
  24. 2.02 km E of Templeton, California · 15971 days ago · 6 km deep · 89 km away
  25. 2.46 km WSW of Kettleman City, California · 15971 days ago · 5 km deep · 58 km away
  26. 1.717 km SW of Volta, California · 15970 days ago · 3 km deep · 84 km away
  27. 1.515 km SSE of Tres Pinos, California · 15969 days ago · 5 km deep · 77 km away
  28. 1.717 km SSE of Tres Pinos, California · 15969 days ago · 5 km deep · 75 km away
  29. 1.523 km NW of Coalinga, California · 15968 days ago · 5 km deep · 4 km away
  30. 1.822 km SSE of Tres Pinos, California · 15968 days ago · 4 km deep · 69 km away
  31. 2.717 km SSE of Tres Pinos, California · 15967 days ago · 5 km deep · 75 km away
  32. 1.717 km SSE of Tres Pinos, California · 15967 days ago · 5 km deep · 75 km away
  33. 1.517 km SSE of Tres Pinos, California · 15967 days ago · 5 km deep · 75 km away
  34. 3.410 km S of Tres Pinos, California · 15967 days ago · 5 km deep · 84 km away
  35. 2.223 km ENE of San Lucas, California · 15965 days ago · 5 km deep · 28 km away
  36. 1.924 km ENE of King City, California · 15964 days ago · 4 km deep · 34 km away
  37. 2.224 km NE of Greenfield, California · 15963 days ago · 2 km deep · 50 km away
  38. 1.824 km NE of Greenfield, California · 15962 days ago · 2 km deep · 50 km away
  39. 1.524 km ENE of Greenfield, California · 15961 days ago · 6 km deep · 46 km away
  40. 1.616 km NW of Parkfield, California · 15961 days ago · 2 km deep · 37 km away
  41. 1.617 km NW of Parkfield, California · 15960 days ago · 1 km deep · 37 km away
  42. 2.623 km NW of Coalinga, California · 15960 days ago · 11 km deep · 4 km away
  43. 3.019 km S of Three Rocks, California · 15960 days ago · 8 km deep · 13 km away
  44. 1.923 km NE of San Ardo, California · 15960 days ago · 6 km deep · 27 km away
  45. 1.622 km ENE of San Lucas, California · 15960 days ago · 2 km deep · 29 km away
  46. 1.819 km SSE of Tres Pinos, California · 15959 days ago · 6 km deep · 72 km away
  47. 2.8Central California · 15959 days ago · 11 km deep · 3 km away
  48. 1.815 km NW of Parkfield, California · 15959 days ago · 6 km deep · 37 km away
  49. 1.88 km ESE of Tres Pinos, California · 15959 days ago · 9 km deep · 80 km away
  50. 1.622 km ESE of Tres Pinos, California · 15959 days ago · 5 km deep · 68 km away
  51. 1.624 km ENE of San Lucas, California · 15958 days ago · 4 km deep · 27 km away
  52. 1.736 km W of Lockwood, California · 15958 days ago · 10 km deep · 98 km away
  53. 1.525 km ENE of San Ardo, California · 15958 days ago · 1 km deep · 32 km away
  54. 1.510 km NW of Avenal, California · 15958 days ago · 8 km deep · 40 km away
  55. 1.78 km W of Templeton, California · 15957 days ago · 2 km deep · 92 km away
  56. 2.0Central California · 15956 days ago · 5 km deep · 32 km away
  57. 2.423 km NE of San Lucas, California · 15956 days ago · 7 km deep · 28 km away
  58. 1.834 km W of Lockwood, California · 15955 days ago · 11 km deep · 94 km away
  59. 2.036 km W of Lockwood, California · 15955 days ago · 14 km deep · 98 km away
  60. 1.78 km SSW of Tres Pinos, California · 15955 days ago · 3 km deep · 87 km away

The first 60 of 142.

Before

  1. 2.09 km SSW of Ridgemark, California · 15983 days ago · 5 km deep · 91 km away
  2. 2.023 km NE of San Ardo, California · 15983 days ago · 5 km deep · 27 km away
  3. 1.619 km NW of Parkfield, California · 15983 days ago · 4 km deep · 35 km away
  4. 1.66 km ESE of Kettleman City, California · 15984 days ago · 12 km deep · 67 km away
  5. 1.611 km SSW of Oak Shores, California · 15984 days ago · 6 km deep · 87 km away
  6. 3.06 km SSE of Parkfield, California · 15985 days ago · 6 km deep · 56 km away
  7. 1.624 km ENE of Soledad, California · 15985 days ago · 4 km deep · 55 km away
  8. 1.723 km NE of Soledad, California · 15985 days ago · 6 km deep · 62 km away
  9. 1.612 km SSW of Oak Shores, California · 15986 days ago · 5 km deep · 88 km away
  10. 2.220 km SSE of Tres Pinos, California · 15986 days ago · 5 km deep · 71 km away
  11. 2.511 km S of Tres Pinos, California · 15987 days ago · 6 km deep · 81 km away
  12. 2.014 km SSE of Tres Pinos, California · 15988 days ago · 5 km deep · 77 km away
  13. 2.62 km WNW of Parkfield, California · 15990 days ago · 6 km deep · 48 km away
  14. 2.12 km NW of Parkfield, California · 15990 days ago · 7 km deep · 47 km away
  15. 1.521 km NE of Soledad, California · 15991 days ago · 8 km deep · 61 km away
  16. 1.815 km SSE of Tres Pinos, California · 15991 days ago · 4 km deep · 76 km away
  17. 1.919 km SSW of Volta, California · 15991 days ago · 6 km deep · 80 km away
  18. 2.125 km ENE of Greenfield, California · 15991 days ago · 5 km deep · 46 km away
  19. 1.925 km NNE of King City, California · 15991 days ago · 1 km deep · 42 km away
  20. 1.817 km NNW of San Simeon, California · 15991 days ago · 7 km deep · 88 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083339. Read Thu, Sep 24, 2026, 3:50 AM UTC.