California earthquakes

M1.6 earthquake 11 km SW of Huron, California

A magnitude 1.6 earthquake struck 11 km SW of Huron, California on Sat, Aug 15, 1987, 12:23 PM PDT (19:23 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 25 km NE of Greenfield, California. This one was a foreshock.

Huron 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
1.6 (md), micro
Local time
UTC
1987-08-15 19:23:49 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
36.135° N, 120.195° 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, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
99°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 83 in the 60 days after this one and 44 in the 30 days before it.

After

  1. 2.125 km NE of Greenfield, California · 14283 days ago · 9 km deep · 81 km away
  2. 1.630 km ESE of Shandon, California · 14282 days ago · 10 km deep · 69 km away
  3. 2.221 km NE of Soledad, California · 14282 days ago · 5 km deep · 100 km away
  4. 2.021 km NE of Soledad, California · 14282 days ago · 5 km deep · 100 km away
  5. 1.65 km SSW of Huron, California · 14281 days ago · 5 km deep · 7 km away
  6. 2.923 km NE of Soledad, California · 14281 days ago · 5 km deep · 97 km away
  7. 2.122 km NE of San Lucas, California · 14281 days ago · 9 km deep · 59 km away
  8. 1.824 km NE of Greenfield, California · 14280 days ago · 1 km deep · 85 km away
  9. 1.68 km NNW of Huron, California · 14280 days ago · 5 km deep · 17 km away
  10. 1.623 km NE of Soledad, California · 14280 days ago · 4 km deep · 96 km away
  11. 2.06 km ENE of Coalinga, California · 14278 days ago · 7 km deep · 9 km away
  12. 2.021 km NE of Soledad, California · 14278 days ago · 2 km deep · 98 km away
  13. 1.712 km E of Coalinga, California · 14278 days ago · 11 km deep · 2 km away
  14. 2.120 km SSW of Three Rocks, California · 14277 days ago · 9 km deep · 30 km away
  15. 1.57 km NNE of Avenal, California · 14277 days ago · 8 km deep · 13 km away
  16. 1.824 km NE of Greenfield, California · 14276 days ago · 6 km deep · 86 km away
  17. 2.62 km NW of Avenal, California · 14274 days ago · 15 km deep · 13 km away
  18. 1.81 km WNW of Avenal, California · 14273 days ago · 13 km deep · 14 km away
  19. 2.023 km NE of San Lucas, California · 14273 days ago · 7 km deep · 60 km away
  20. 2.810 km N of Coalinga, California · 14272 days ago · 10 km deep · 19 km away
  21. 2.38 km S of Huron, California · 14272 days ago · 6 km deep · 7 km away
  22. 2.38 km W of Huron, California · 14272 days ago · 15 km deep · 6 km away
  23. 2.09 km SE of Avenal, California · 14271 days ago · -1 km deep · 25 km away
  24. 2.312 km NW of Parkfield, California · 14270 days ago · 10 km deep · 35 km away
  25. 1.512 km SW of Huron, California · 14270 days ago · 13 km deep · 2 km away
  26. 1.7Central California · 14270 days ago · 11 km deep · 36 km away
  27. 2.9Central California · 14269 days ago · 6 km deep · 56 km away
  28. 2.311 km SSW of Three Rocks, California · 14269 days ago · 10 km deep · 37 km away
  29. 1.92 km S of Oak Shores, California · 14267 days ago · 8 km deep · 83 km away
  30. 2.032 km WNW of Three Rocks, California · 14267 days ago · 7 km deep · 71 km away
  31. 1.81 km NW of Three Rocks, California · 14266 days ago · 5 km deep · 46 km away
  32. 1.823 km NNE of San Lucas, California · 14266 days ago · 6 km deep · 66 km away
  33. 1.823 km NW of Parkfield, California · 14259 days ago · 6 km deep · 38 km away
  34. 1.524 km NE of Greenfield, California · 14258 days ago · 5 km deep · 86 km away
  35. 1.515 km NNE of Coalinga, California · 14256 days ago · 9 km deep · 18 km away
  36. 1.78 km ESE of Coalinga, California · 14256 days ago · 9 km deep · 6 km away
  37. 2.024km SSE of Kettleman City, CA · 14256 days ago · 5 km deep · 47 km away
  38. 1.917 km NW of Parkfield, California · 14254 days ago · 5 km deep · 37 km away
  39. 2.215 km WNW of Oak Shores, California · 14253 days ago · 5 km deep · 93 km away
  40. 3.412 km NNW of Kettleman City, California · 14253 days ago · 24 km deep · 18 km away
  41. 2.08 km SW of Stratford, California · 14253 days ago · 25 km deep · 28 km away
  42. 1.513 km NNE of Coalinga, California · 14253 days ago · 9 km deep · 17 km away
  43. 3.316 km NNW of Coalinga, California · 14252 days ago · 9 km deep · 25 km away
  44. 1.715 km NNW of Coalinga, California · 14251 days ago · 9 km deep · 24 km away
  45. 3.113 km N of Coalinga, California · 14250 days ago · 9 km deep · 21 km away
  46. 1.64 km NW of Parkfield, California · 14249 days ago · 5 km deep · 34 km away
  47. 1.94 km NW of Parkfield, California · 14249 days ago · 5 km deep · 34 km away
  48. 1.94 km NW of Parkfield, California · 14249 days ago · 5 km deep · 34 km away
  49. 2.24 km NW of Parkfield, California · 14249 days ago · 5 km deep · 34 km away
  50. 1.627 km SE of Tres Pinos, California · 14248 days ago · 8 km deep · 97 km away
  51. 2.08 km ENE of Coalinga, California · 14247 days ago · 10 km deep · 8 km away
  52. 1.66 km ENE of Coalinga, California · 14246 days ago · 13 km deep · 10 km away
  53. 1.610 km NW of Parkfield, California · 14246 days ago · 7 km deep · 34 km away
  54. 1.96 km W of Oak Shores, California · 14245 days ago · 5 km deep · 87 km away
  55. 1.923 km NE of San Lucas, California · 14243 days ago · 7 km deep · 57 km away
  56. 2.310 km NW of Coalinga, California · 14241 days ago · 6 km deep · 23 km away
  57. 1.616 km N of Coalinga, California · 14240 days ago · 11 km deep · 24 km away
  58. 1.614 km WNW of Coalinga, California · 14240 days ago · 6 km deep · 29 km away
  59. 1.512 km NE of Shandon, California · 14238 days ago · 5 km deep · 44 km away
  60. 4.822 km NE of San Ardo, California · 14236 days ago · 27 km deep · 47 km away

The first 60 of 83.

Before

  1. 2.230 km ESE of Shandon, California · 14283 days ago · 8 km deep · 69 km away
  2. 2.030 km ESE of Shandon, California · 14283 days ago · 8 km deep · 69 km away
  3. 2.730 km ESE of Shandon, California · 14283 days ago · 7 km deep · 69 km away
  4. 2.130 km ESE of Shandon, California · 14283 days ago · 10 km deep · 69 km away
  5. 2.8Central California · 14283 days ago · 12 km deep · 69 km away
  6. 2.311 km NNE of Coalinga, California · 14284 days ago · 9 km deep · 17 km away
  7. 1.821 km NE of Soledad, California · 14285 days ago · 6 km deep · 97 km away
  8. 2.413 km NE of Coalinga, California · 14285 days ago · 8 km deep · 12 km away
  9. 1.913 km NE of Coalinga, California · 14285 days ago · 8 km deep · 12 km away
  10. 1.813 km NE of Coalinga, California · 14285 days ago · 9 km deep · 12 km away
  11. 1.617 km NW of Coalinga, California · 14286 days ago · 8 km deep · 29 km away
  12. 1.76 km ESE of San Lucas, California · 14288 days ago · 9 km deep · 68 km away
  13. 1.726 km SW of Firebaugh, California · 14289 days ago · 10 km deep · 80 km away
  14. 1.89 km NNW of Huron, California · 14289 days ago · 8 km deep · 17 km away
  15. 1.54 km NNE of Coalinga, California · 14289 days ago · 13 km deep · 13 km away
  16. 1.741 km W of Three Rocks, California · 14290 days ago · 5 km deep · 75 km away
  17. 2.224 km NE of San Ardo, California · 14291 days ago · 8 km deep · 51 km away
  18. 2.02 km S of Oak Shores, California · 14291 days ago · 7 km deep · 83 km away
  19. 2.57 km NW of Parkfield, California · 14292 days ago · 10 km deep · 34 km away
  20. 2.97 km NNE of Coalinga, California · 14294 days ago · 11 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc104617. Read Tue, Sep 22, 2026, 9:29 PM UTC.