California earthquakes

M2.1 earthquake 20 km SW of Three Rocks, California

A magnitude 2.1 earthquake struck 20 km SW of Three Rocks, California on Thu, May 23, 1985, 8:59 AM PDT (15:59 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.3 7km NW of Parkfield, CA. This one was a foreshock.

Coalinga forecastMore in California

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
1985-05-23 15:59:10 UTC
Depth
12.7 km (7.9 mi), shallow
Epicenter
36.379° N, 120.558° 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, 0.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
103°
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: 139 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 2.110 km NNE of Coalinga, California · 15096 days ago · 9 km deep · 27 km away
  2. 1.717 km SW of Soledad, California · 15096 days ago · 8 km deep · 82 km away
  3. 2.022 km NE of Soledad, California · 15096 days ago · 2 km deep · 54 km away
  4. 3.37km NW of Parkfield, CA · 15095 days ago · 10 km deep · 49 km away
  5. 2.024 km WSW of Lockwood, California · 15095 days ago · 7 km deep · 91 km away
  6. 2.612 km N of Coalinga, California · 15094 days ago · 11 km deep · 21 km away
  7. 1.810 km WSW of Huron, California · 15093 days ago · 10 km deep · 40 km away
  8. 1.61 km SSW of Hollister, California · 15092 days ago · 8 km deep · 92 km away
  9. 1.922 km E of Big Sur, California · 15091 days ago · 13 km deep · 91 km away
  10. 1.920 km SW of Three Rocks, California · 15091 days ago · 14 km deep · 1 km away
  11. 1.817 km N of Coalinga, California · 15091 days ago · 0 km deep · 19 km away
  12. 1.642 km SSW of South Dos Palos, California · 15090 days ago · 0 km deep · 37 km away
  13. 1.515 km NW of Parkfield, California · 15090 days ago · 4 km deep · 42 km away
  14. 2.127 km WSW of Lockwood, California · 15090 days ago · 8 km deep · 94 km away
  15. 2.610 km NNW of Coalinga, California · 15089 days ago · 7 km deep · 21 km away
  16. 2.312 km NNE of Soledad, California · 15088 days ago · 10 km deep · 66 km away
  17. 1.524 km NE of Greenfield, California · 15088 days ago · 5 km deep · 42 km away
  18. 1.714 km NNW of Coalinga, California · 15088 days ago · 7 km deep · 19 km away
  19. 1.67 km NNE of Coalinga, California · 15088 days ago · 10 km deep · 28 km away
  20. 2.38 km ENE of Coalinga, California · 15087 days ago · 10 km deep · 35 km away
  21. 1.63 km SE of Tres Pinos, California · 15087 days ago · 9 km deep · 78 km away
  22. 1.621 km NE of Soledad, California · 15087 days ago · 7 km deep · 57 km away
  23. 1.610 km N of Coalinga, California · 15087 days ago · 9 km deep · 23 km away
  24. 1.725 km WNW of Three Rocks, California · 15086 days ago · 13 km deep · 21 km away
  25. 2.116 km NW of Parkfield, California · 15085 days ago · 5 km deep · 41 km away
  26. 1.87 km E of Coalinga, California · 15085 days ago · 10 km deep · 36 km away
  27. 2.37 km NE of Coalinga, California · 15084 days ago · 10 km deep · 30 km away
  28. 1.712 km NE of Coalinga, California · 15083 days ago · 8 km deep · 30 km away
  29. 2.521 km NNE of Soledad, California · 15082 days ago · 9 km deep · 62 km away
  30. 1.624 km NE of Greenfield, California · 15082 days ago · 5 km deep · 44 km away
  31. 1.810 km NW of Parkfield, California · 15081 days ago · 7 km deep · 46 km away
  32. 1.811 km N of Coalinga, California · 15081 days ago · 8 km deep · 24 km away
  33. 2.09 km SW of Ridgemark, California · 15081 days ago · 6 km deep · 89 km away
  34. 1.81 km WNW of Hollister, California · 15080 days ago · 8 km deep · 93 km away
  35. 2.022 km SE of Tres Pinos, California · 15080 days ago · 3 km deep · 61 km away
  36. 1.54 km SSE of San Juan Bautista, California · 15077 days ago · 4 km deep · 98 km away
  37. 2.310 km NNE of Coalinga, California · 15077 days ago · 10 km deep · 26 km away
  38. 2.3Central California · 15077 days ago · 10 km deep · 32 km away
  39. 3.48 km ENE of Coalinga, California · 15075 days ago · 10 km deep · 34 km away
  40. 1.78 km ENE of Coalinga, California · 15075 days ago · 10 km deep · 35 km away
  41. 2.09 km ENE of Coalinga, California · 15075 days ago · 9 km deep · 35 km away
  42. 2.210 km N of Coalinga, California · 15074 days ago · 8 km deep · 24 km away
  43. 1.634 km SW of South Dos Palos, California · 15073 days ago · 3 km deep · 46 km away
  44. 1.713 km NNW of Coalinga, California · 15072 days ago · 8 km deep · 20 km away
  45. 1.712 km SW of Huron, California · 15070 days ago · 11 km deep · 42 km away
  46. 1.84 km N of Hollister, California · 15070 days ago · 8 km deep · 94 km away
  47. 1.92 km S of Oak Shores, California · 15070 days ago · 7 km deep · 80 km away
  48. 1.925 km NNE of King City, California · 15070 days ago · 1 km deep · 38 km away
  49. 1.624 km NE of Greenfield, California · 15070 days ago · 6 km deep · 46 km away
  50. 1.924 km NE of Soledad, California · 15069 days ago · 7 km deep · 55 km away
  51. 2.38 km NE of Coalinga, California · 15068 days ago · 10 km deep · 30 km away
  52. 2.032 km SE of Tres Pinos, California · 15068 days ago · 1 km deep · 50 km away
  53. 1.922 km NE of San Lucas, California · 15068 days ago · 7 km deep · 28 km away
  54. 1.59 km NE of Coalinga, California · 15067 days ago · 9 km deep · 32 km away
  55. 2.330 km ENE of Soledad, California · 15066 days ago · 7 km deep · 49 km away
  56. 2.224 km ENE of San Lucas, California · 15066 days ago · 6 km deep · 27 km away
  57. 2.021 km NW of Parkfield, California · 15065 days ago · 5 km deep · 38 km away
  58. 2.412 km N of Parkfield, California · 15063 days ago · 0 km deep · 43 km away
  59. 2.111 km NNW of Avenal, California · 15062 days ago · 0 km deep · 45 km away
  60. 3.423 km ENE of Soledad, California · 15062 days ago · 1 km deep · 51 km away

The first 60 of 139.

Before

  1. 2.04 km NNE of Coalinga, California · 15097 days ago · 12 km deep · 29 km away
  2. 1.918 km NE of Soledad, California · 15098 days ago · 10 km deep · 60 km away
  3. 3.114 km SE of Parkfield, California · 15099 days ago · 9 km deep · 68 km away
  4. 1.621 km NE of Soledad, California · 15099 days ago · 4 km deep · 57 km away
  5. 1.825 km NW of San Simeon, California · 15100 days ago · 7 km deep · 97 km away
  6. 1.622 km NE of Soledad, CA · 15101 days ago · 3 km deep · 57 km away
  7. 1.711 km NE of Coalinga, California · 15101 days ago · 9 km deep · 33 km away
  8. 1.717 km SSE of Tres Pinos, California · 15101 days ago · 9 km deep · 69 km away
  9. 2.533 km NE of King City, California · 15101 days ago · 7 km deep · 24 km away
  10. 2.020 km SW of Three Rocks, California · 15102 days ago · 15 km deep · 2 km away
  11. 1.69 km NW of Parkfield, California · 15102 days ago · 11 km deep · 47 km away
  12. 2.321 km SW of Three Rocks, California · 15102 days ago · 15 km deep · 2 km away
  13. 2.08 km WSW of Huron, California · 15106 days ago · 9 km deep · 41 km away
  14. 1.612 km NNW of Coalinga, California · 15106 days ago · 4 km deep · 21 km away
  15. 1.924 km NE of Greenfield, California · 15106 days ago · 3 km deep · 45 km away
  16. 2.410 km N of Coalinga, California · 15107 days ago · 9 km deep · 24 km away
  17. 1.536 km W of Three Rocks, California · 15107 days ago · 1 km deep · 28 km away
  18. 1.937 km W of Three Rocks, California · 15107 days ago · 0 km deep · 29 km away
  19. 2.136 km W of Three Rocks, California · 15107 days ago · 3 km deep · 29 km away
  20. 1.522 km ENE of San Lucas, California · 15108 days ago · 5 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc48278. Read Tue, Sep 22, 2026, 12:08 PM UTC.