California earthquakes

M1.8 earthquake 12 km ENE of Shandon, California

A magnitude 1.8 earthquake struck 12 km ENE of Shandon, California on Tue, Apr 9, 1985, 6:56 AM PST (14:56 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.8 19 km SSE of Avenal, California. This one was a foreshock.

Shandon 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
1.8 (md), micro
Local time
UTC
1985-04-09 14:56:47 UTC
Depth
9.1 km (5.6 mi), shallow
Epicenter
35.693° N, 120.240° 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 0.5 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
137°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 1.59 km NNE of Coalinga, California · 15140 days ago · 8 km deep · 58 km away
  2. 1.719 km SSE of Avenal, California · 15140 days ago · 12 km deep · 22 km away
  3. 2.819 km SSE of Avenal, California · 15140 days ago · 12 km deep · 22 km away
  4. 1.98 km ENE of Coalinga, California · 15139 days ago · 11 km deep · 52 km away
  5. 1.610 km NE of Coalinga, California · 15139 days ago · 8 km deep · 58 km away
  6. 1.610 km WSW of Huron, California · 15138 days ago · 9 km deep · 51 km away
  7. 2.37 km WNW of Santa Margarita, California · 15138 days ago · 4 km deep · 51 km away
  8. 3.123 km ENE of San Lucas, California · 15137 days ago · 6 km deep · 79 km away
  9. 2.17 km WNW of Santa Margarita, California · 15137 days ago · 4 km deep · 51 km away
  10. 2.324 km NE of King City, California · 15137 days ago · 7 km deep · 96 km away
  11. 1.78 km E of Huron, California · 15137 days ago · 25 km deep · 59 km away
  12. 2.224 km NE of King City, California · 15136 days ago · 8 km deep · 96 km away
  13. 1.79 km E of Coalinga, California · 15136 days ago · 10 km deep · 51 km away
  14. 1.98 km NNW of Avenal, California · 15136 days ago · 0 km deep · 44 km away
  15. 1.98 km NNW of Avenal, California · 15136 days ago · 5 km deep · 43 km away
  16. 2.29 km NNE of Coalinga, California · 15134 days ago · 9 km deep · 58 km away
  17. 2.5Central California · 15134 days ago · 9 km deep · 63 km away
  18. 1.713 km NNE of Coalinga, California · 15134 days ago · 9 km deep · 63 km away
  19. 1.722 km NE of San Lucas, California · 15133 days ago · 6 km deep · 84 km away
  20. 1.610 km E of Coalinga, California · 15132 days ago · 0 km deep · 49 km away
  21. 2.012 km E of Coalinga, California · 15132 days ago · 8 km deep · 48 km away
  22. 1.612 km E of Coalinga, California · 15132 days ago · 9 km deep · 49 km away
  23. 1.73 km ENE of Cambria, California · 15131 days ago · 1 km deep · 73 km away
  24. 1.65 km S of Three Rocks, California · 15131 days ago · 3 km deep · 86 km away
  25. 2.111 km NNW of Whitley Gardens, California · 15131 days ago · 12 km deep · 30 km away
  26. 1.84 km N of Coalinga, California · 15128 days ago · 12 km deep · 55 km away
  27. 1.817 km NW of Parkfield, California · 15128 days ago · 5 km deep · 47 km away
  28. 2.010 km NNW of Coalinga, California · 15126 days ago · 8 km deep · 61 km away
  29. 1.615 km NW of Coalinga, California · 15126 days ago · 6 km deep · 66 km away
  30. 2.010 km NE of Coalinga, California · 15126 days ago · 8 km deep · 55 km away
  31. 1.612 km N of Coalinga, California · 15125 days ago · 10 km deep · 63 km away
  32. 1.710 km NE of Coalinga, California · 15124 days ago · 8 km deep · 58 km away
  33. 1.68 km S of San Ardo, California · 15124 days ago · 8 km deep · 67 km away
  34. 2.11 km SSW of Coalinga, California · 15124 days ago · 11 km deep · 50 km away
  35. 2.40 km SE of Cayucos, California · 15121 days ago · 4 km deep · 65 km away
  36. 2.210 km SSW of Huron, California · 15121 days ago · 2 km deep · 48 km away
  37. 1.68 km NNW of Coalinga, California · 15121 days ago · 7 km deep · 59 km away
  38. 2.08 km S of Huron, California · 15117 days ago · 5 km deep · 49 km away
  39. 1.58 km ENE of Coalinga, California · 15117 days ago · 11 km deep · 52 km away
  40. 2.220 km NW of Parkfield, California · 15116 days ago · 4 km deep · 49 km away
  41. 1.916 km NNW of Coalinga, California · 15115 days ago · 6 km deep · 67 km away
  42. 1.524 km WSW of Lockwood, California · 15114 days ago · 9 km deep · 100 km away
  43. 1.713 km NNE of Coalinga, California · 15114 days ago · 9 km deep · 63 km away
  44. 2.18 km NE of Coalinga, California · 15114 days ago · 7 km deep · 55 km away
  45. 1.614 km NNE of Shandon, California · 15114 days ago · 4 km deep · 12 km away
  46. 4.416km SE of Buttonwillow, CA · 15114 days ago · 24 km deep · 92 km away
  47. 1.817km WSW of Rosedale, CA · 15113 days ago · 5 km deep · 95 km away
  48. 1.921 km NW of Parkfield, California · 15113 days ago · 5 km deep · 50 km away
  49. 2.317km SE of Buttonwillow, CA · 15113 days ago · 5 km deep · 93 km away
  50. 2.510 km N of Coalinga, California · 15112 days ago · 9 km deep · 61 km away
  51. 2.416km SE of Buttonwillow, CA · 15112 days ago · 26 km deep · 92 km away
  52. 2.0Central California · 15112 days ago · 7 km deep · 47 km away
  53. 2.15 km ENE of Coalinga, California · 15111 days ago · 12 km deep · 52 km away
  54. 2.510 km NW of Bradley, California · 15110 days ago · 5 km deep · 64 km away
  55. 1.52 km NE of Coalinga, California · 15110 days ago · 11 km deep · 52 km away
  56. 1.710 km N of Coalinga, California · 15109 days ago · 12 km deep · 61 km away
  57. 4.37 km NE of Coalinga, California · 15109 days ago · 11 km deep · 54 km away
  58. 1.98 km ENE of Coalinga, California · 15109 days ago · 10 km deep · 54 km away
  59. 1.78 km ENE of Coalinga, California · 15109 days ago · 11 km deep · 54 km away
  60. 1.522 km ENE of San Lucas, California · 15108 days ago · 5 km deep · 80 km away

The first 60 of 90.

Before

  1. 1.912 km ENE of Shandon, California · 15141 days ago · 9 km deep · 0 km away
  2. 1.518 km N of Coalinga, California · 15141 days ago · 7 km deep · 68 km away
  3. 2.211 km NE of Coalinga, California · 15141 days ago · 6 km deep · 58 km away
  4. 2.410 km NE of Coalinga, California · 15141 days ago · 8 km deep · 58 km away
  5. 1.832 km W of Three Rocks, California · 15141 days ago · 9 km deep · 100 km away
  6. 1.712 km ENE of Shandon, California · 15141 days ago · 9 km deep · 0 km away
  7. 1.610 km NE of Coalinga, California · 15141 days ago · 7 km deep · 58 km away
  8. 1.610 km NE of Coalinga, California · 15141 days ago · 8 km deep · 58 km away
  9. 3.210 km NE of Coalinga, California · 15141 days ago · 8 km deep · 58 km away
  10. 2.910 km NE of Coalinga, California · 15141 days ago · 7 km deep · 58 km away
  11. 3.710 km NE of Coalinga, California · 15141 days ago · 9 km deep · 58 km away
  12. 1.711 km NE of Coalinga, California · 15141 days ago · 7 km deep · 59 km away
  13. 1.610 km NE of Coalinga, California · 15142 days ago · 9 km deep · 57 km away
  14. 1.86 km NE of Coalinga, California · 15143 days ago · 7 km deep · 55 km away
  15. 1.68 km NNW of Coalinga, California · 15144 days ago · 8 km deep · 59 km away
  16. 1.712 km ENE of Coalinga, CA · 15144 days ago · 5 km deep · 55 km away
  17. 2.411 km N of Coalinga, California · 15146 days ago · 8 km deep · 62 km away
  18. 1.814 km NNW of Coalinga, California · 15146 days ago · 9 km deep · 65 km away
  19. 2.023 km NE of King City, California · 15147 days ago · 5 km deep · 97 km away
  20. 2.011 km NE of Kettleman City, California · 15148 days ago · 17 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc45720 (also filed as ci64066). Read Tue, Sep 22, 2026, 11:19 AM UTC.