California earthquakes

M2.3 earthquake 29 km WNW of Three Rocks, California

A magnitude 2.3 earthquake struck 29 km WNW of Three Rocks, California on Thu, Jan 20, 1983, 8:56 PM PST (04:56 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.2 37 km SSW of South Dos Palos, 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
2.3 (md), micro
Local time
UTC
1983-01-21 04:56:49 UTC
Depth
5.4 km (3.3 mi), shallow
Epicenter
36.593° N, 120.706° 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 1.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 1.723 km NE of King City, California · 15957 days ago · 4 km deep · 33 km away
  2. 2.914 km SSE of Tres Pinos, California · 15957 days ago · 5 km deep · 52 km away
  3. 2.26 km NE of Ridgemark, California · 15957 days ago · 7 km deep · 62 km away
  4. 1.913 km NNE of Shandon, California · 15956 days ago · 8 km deep · 98 km away
  5. 1.721 km NE of Soledad, California · 15956 days ago · 6 km deep · 40 km away
  6. 2.09 km ENE of Morgan Hill, California · 15956 days ago · 4 km deep · 98 km away
  7. 1.86 km ESE of Avenal, California · 15955 days ago · 5 km deep · 89 km away
  8. 1.624 km NE of King City, California · 15953 days ago · 5 km deep · 32 km away
  9. 3.018 km NW of Parkfield, California · 15953 days ago · 5 km deep · 65 km away
  10. 2.517 km NW of Parkfield, California · 15953 days ago · 6 km deep · 65 km away
  11. 2.216 km WNW of Parkfield, California · 15953 days ago · 9 km deep · 69 km away
  12. 2.924 km ENE of San Ardo, California · 15952 days ago · 4 km deep · 58 km away
  13. 1.725 km NE of Greenfield, California · 15952 days ago · 2 km deep · 32 km away
  14. 3.05 km WNW of San Juan Bautista, California · 15951 days ago · 7 km deep · 84 km away
  15. 2.224 km ENE of Soledad, California · 15950 days ago · 1 km deep · 34 km away
  16. 1.69 km NE of San Martin, California · 15950 days ago · 8 km deep · 97 km away
  17. 2.49 km E of Gilroy, California · 15950 days ago · 8 km deep · 82 km away
  18. 2.023 km ENE of San Ardo, California · 15950 days ago · -1 km deep · 55 km away
  19. 1.56 km WNW of Hollister, California · 15949 days ago · 6 km deep · 75 km away
  20. 1.621 km NE of Soledad, California · 15949 days ago · 3 km deep · 40 km away
  21. 2.321 km NNE of Soledad, California · 15948 days ago · 8 km deep · 44 km away
  22. 1.723 km NE of San Ardo, California · 15947 days ago · -1 km deep · 45 km away
  23. 1.723 km NE of King City, California · 15947 days ago · 5 km deep · 34 km away
  24. 2.422 km NNE of Soledad, California · 15947 days ago · 9 km deep · 44 km away
  25. 1.824 km SW of Three Rocks, California · 15946 days ago · 12 km deep · 33 km away
  26. 1.621 km NW of Parkfield, California · 15945 days ago · 3 km deep · 62 km away
  27. 2.07 km NNW of Avenal, California · 15944 days ago · 9 km deep · 77 km away
  28. 2.121 km NW of Parkfield, California · 15943 days ago · 3 km deep · 62 km away
  29. 1.819 km NW of Parkfield, California · 15943 days ago · 4 km deep · 64 km away
  30. 1.828 km ENE of Soledad, California · 15943 days ago · 8 km deep · 30 km away
  31. 1.97 km NW of Parkfield, California · 15943 days ago · 10 km deep · 75 km away
  32. 4.237 km SSW of South Dos Palos, California · 15942 days ago · 7 km deep · 16 km away
  33. 2.036 km SSW of South Dos Palos, California · 15942 days ago · 7 km deep · 16 km away
  34. 2.037 km SSW of South Dos Palos, California · 15942 days ago · 5 km deep · 16 km away
  35. 2.538 km SSW of South Dos Palos, California · 15942 days ago · 7 km deep · 17 km away
  36. 2.136 km SSW of South Dos Palos, California · 15942 days ago · 6 km deep · 17 km away
  37. 1.637 km SSW of South Dos Palos, California · 15942 days ago · 3 km deep · 17 km away
  38. 1.527 km NE of Soledad, California · 15942 days ago · 6 km deep · 35 km away
  39. 1.912 km NW of Parkfield, California · 15942 days ago · 7 km deep · 70 km away
  40. 1.824 km SW of Firebaugh, California · 15941 days ago · 1 km deep · 14 km away
  41. 2.321 km NE of Soledad, California · 15941 days ago · 6 km deep · 41 km away
  42. 2.121 km NNE of Soledad, California · 15941 days ago · 6 km deep · 43 km away
  43. 2.537 km SSW of South Dos Palos, California · 15941 days ago · 5 km deep · 17 km away
  44. 2.06 km WSW of Gilroy, California · 15941 days ago · 5 km deep · 93 km away
  45. 2.06 km WSW of Gilroy, California · 15941 days ago · 5 km deep · 94 km away
  46. 1.66 km WSW of Gilroy, California · 15941 days ago · 5 km deep · 93 km away
  47. 3.013 km SSW of South Dos Palos, California · 15940 days ago · 4 km deep · 30 km away
  48. 1.96 km SSW of Tres Pinos, California · 15940 days ago · 4 km deep · 60 km away
  49. 1.66 km SSW of Tres Pinos, California · 15939 days ago · 5 km deep · 60 km away
  50. 2.010 km S of Tres Pinos, California · 15939 days ago · 5 km deep · 56 km away
  51. 2.021 km SSE of Tres Pinos, California · 15937 days ago · 4 km deep · 46 km away
  52. 2.09 km ENE of Morgan Hill, California · 15937 days ago · 6 km deep · 98 km away
  53. 1.99 km NNE of San Martin, California · 15937 days ago · 5 km deep · 98 km away
  54. 1.637 km SSW of South Dos Palos, California · 15937 days ago · 7 km deep · 15 km away
  55. 2.15 km SE of Tres Pinos, California · 15936 days ago · 7 km deep · 54 km away
  56. 1.87 km E of Gilroy, California · 15936 days ago · 4 km deep · 84 km away
  57. 1.56 km SSW of Tres Pinos, California · 15936 days ago · 4 km deep · 60 km away
  58. 2.324 km NE of Greenfield, California · 15935 days ago · 7 km deep · 34 km away
  59. 2.137 km SSW of South Dos Palos, California · 15934 days ago · 4 km deep · 17 km away
  60. 1.65 km WNW of Three Rocks, California · 15934 days ago · 6 km deep · 24 km away

The first 60 of 152.

Before

  1. 1.616 km SSE of Tres Pinos, California · 15958 days ago · 3 km deep · 50 km away
  2. 2.45 km SSE of Avenal, California · 15959 days ago · 13 km deep · 89 km away
  3. 2.822 km NNE of Soledad, California · 15959 days ago · 3 km deep · 45 km away
  4. 2.021 km NE of Soledad, California · 15959 days ago · 6 km deep · 43 km away
  5. 1.821 km SSW of South Dos Palos, California · 15959 days ago · 11 km deep · 22 km away
  6. 1.8Central California · 15959 days ago · 3 km deep · 55 km away
  7. 1.621 km NE of Soledad, California · 15959 days ago · 6 km deep · 39 km away
  8. 2.08 km SSW of Tres Pinos, California · 15960 days ago · 3 km deep · 61 km away
  9. 1.723 km NE of San Lucas, California · 15960 days ago · 6 km deep · 37 km away
  10. 2.114 km SSE of Tres Pinos, California · 15960 days ago · 5 km deep · 50 km away
  11. 2.39 km S of Tres Pinos, California · 15961 days ago · 4 km deep · 57 km away
  12. 2.49 km S of Tres Pinos, California · 15961 days ago · 3 km deep · 57 km away
  13. 1.78 km SSW of Tres Pinos, California · 15961 days ago · 3 km deep · 60 km away
  14. 1.834 km W of Lockwood, California · 15961 days ago · 11 km deep · 96 km away
  15. 2.423 km NE of San Lucas, California · 15962 days ago · 7 km deep · 40 km away
  16. 2.0Central California · 15962 days ago · 5 km deep · 62 km away
  17. 1.510 km NW of Avenal, California · 15964 days ago · 8 km deep · 73 km away
  18. 1.525 km ENE of San Ardo, California · 15964 days ago · 1 km deep · 59 km away
  19. 1.624 km ENE of San Lucas, California · 15964 days ago · 4 km deep · 43 km away
  20. 1.622 km ESE of Tres Pinos, California · 15964 days ago · 5 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1086402. Read Tue, Sep 29, 2026, 8:38 PM UTC.