California earthquakes

M1.8 earthquake 9 km NNW of Huron, California

A magnitude 1.8 earthquake struck 9 km NNW of Huron, California on Sun, Aug 9, 1987, 6:19 AM PDT (13:19 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.8 22 km NE of San Ardo, 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
1.8 (md), micro
Local time
UTC
1987-08-09 13:19:14 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
36.281° N, 120.146° 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 0.7 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
165°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 1.726 km SW of Firebaugh, California · 14296 days ago · 10 km deep · 70 km away
  2. 1.76 km ESE of San Lucas, California · 14296 days ago · 9 km deep · 74 km away
  3. 1.617 km NW of Coalinga, California · 14294 days ago · 8 km deep · 29 km away
  4. 1.813 km NE of Coalinga, California · 14292 days ago · 9 km deep · 12 km away
  5. 1.913 km NE of Coalinga, California · 14292 days ago · 8 km deep · 12 km away
  6. 2.413 km NE of Coalinga, California · 14292 days ago · 8 km deep · 12 km away
  7. 1.821 km NE of Soledad, California · 14292 days ago · 6 km deep · 94 km away
  8. 2.311 km NNE of Coalinga, California · 14292 days ago · 9 km deep · 18 km away
  9. 2.8Central California · 14291 days ago · 12 km deep · 84 km away
  10. 2.130 km ESE of Shandon, California · 14291 days ago · 10 km deep · 84 km away
  11. 2.730 km ESE of Shandon, California · 14291 days ago · 7 km deep · 85 km away
  12. 2.030 km ESE of Shandon, California · 14291 days ago · 8 km deep · 84 km away
  13. 2.230 km ESE of Shandon, California · 14291 days ago · 8 km deep · 84 km away
  14. 1.611 km SW of Huron, California · 14291 days ago · 11 km deep · 17 km away
  15. 2.125 km NE of Greenfield, California · 14290 days ago · 9 km deep · 80 km away
  16. 1.630 km ESE of Shandon, California · 14289 days ago · 10 km deep · 84 km away
  17. 2.221 km NE of Soledad, California · 14289 days ago · 5 km deep · 97 km away
  18. 2.021 km NE of Soledad, California · 14289 days ago · 5 km deep · 97 km away
  19. 1.65 km SSW of Huron, California · 14289 days ago · 5 km deep · 14 km away
  20. 2.923 km NE of Soledad, California · 14289 days ago · 5 km deep · 94 km away
  21. 2.122 km NE of San Lucas, California · 14288 days ago · 9 km deep · 61 km away
  22. 1.824 km NE of Greenfield, California · 14288 days ago · 1 km deep · 83 km away
  23. 1.68 km NNW of Huron, California · 14287 days ago · 5 km deep · 2 km away
  24. 1.623 km NE of Soledad, California · 14287 days ago · 4 km deep · 94 km away
  25. 2.06 km ENE of Coalinga, California · 14285 days ago · 7 km deep · 19 km away
  26. 2.021 km NE of Soledad, California · 14285 days ago · 2 km deep · 95 km away
  27. 1.712 km E of Coalinga, California · 14285 days ago · 11 km deep · 18 km away
  28. 2.120 km SSW of Three Rocks, California · 14284 days ago · 9 km deep · 27 km away
  29. 1.57 km NNE of Avenal, California · 14284 days ago · 8 km deep · 25 km away
  30. 1.824 km NE of Greenfield, California · 14283 days ago · 6 km deep · 84 km away
  31. 2.62 km NW of Avenal, California · 14282 days ago · 15 km deep · 29 km away
  32. 1.81 km WNW of Avenal, California · 14281 days ago · 13 km deep · 30 km away
  33. 2.023 km NE of San Lucas, California · 14280 days ago · 7 km deep · 62 km away
  34. 2.810 km N of Coalinga, California · 14280 days ago · 10 km deep · 20 km away
  35. 2.38 km S of Huron, California · 14280 days ago · 6 km deep · 17 km away
  36. 2.38 km W of Huron, California · 14279 days ago · 15 km deep · 11 km away
  37. 2.09 km SE of Avenal, California · 14279 days ago · -1 km deep · 39 km away
  38. 2.312 km NW of Parkfield, California · 14278 days ago · 10 km deep · 48 km away
  39. 1.512 km SW of Huron, California · 14277 days ago · 13 km deep · 19 km away
  40. 1.7Central California · 14277 days ago · 11 km deep · 28 km away
  41. 2.9Central California · 14277 days ago · 6 km deep · 59 km away
  42. 2.311 km SSW of Three Rocks, California · 14276 days ago · 10 km deep · 29 km away
  43. 1.92 km S of Oak Shores, California · 14275 days ago · 8 km deep · 96 km away
  44. 2.032 km WNW of Three Rocks, California · 14274 days ago · 7 km deep · 64 km away
  45. 1.81 km NW of Three Rocks, California · 14274 days ago · 5 km deep · 35 km away
  46. 1.823 km NNE of San Lucas, California · 14273 days ago · 6 km deep · 67 km away
  47. 1.823 km NW of Parkfield, California · 14266 days ago · 6 km deep · 48 km away
  48. 1.823 km SE of Tres Pinos, California · 14266 days ago · 7 km deep · 99 km away
  49. 1.524 km NE of Greenfield, California · 14266 days ago · 5 km deep · 85 km away
  50. 1.515 km NNE of Coalinga, California · 14264 days ago · 9 km deep · 14 km away
  51. 1.78 km ESE of Coalinga, California · 14263 days ago · 9 km deep · 20 km away
  52. 2.024km SSE of Kettleman City, CA · 14263 days ago · 5 km deep · 58 km away
  53. 1.917 km NW of Parkfield, California · 14262 days ago · 5 km deep · 49 km away
  54. 2.921 km NE of Soledad, California · 14261 days ago · 2 km deep · 98 km away
  55. 3.412 km NNW of Kettleman City, California · 14260 days ago · 24 km deep · 23 km away
  56. 2.08 km SW of Stratford, California · 14260 days ago · 25 km deep · 29 km away
  57. 1.513 km NNE of Coalinga, California · 14260 days ago · 9 km deep · 15 km away
  58. 3.316 km NNW of Coalinga, California · 14260 days ago · 9 km deep · 23 km away
  59. 1.715 km NNW of Coalinga, California · 14259 days ago · 9 km deep · 23 km away
  60. 1.521 km SSW of Los Banos, California · 14258 days ago · 3 km deep · 98 km away

The first 60 of 89.

Before

  1. 1.54 km NNE of Coalinga, California · 14297 days ago · 13 km deep · 20 km away
  2. 1.741 km W of Three Rocks, California · 14298 days ago · 5 km deep · 70 km away
  3. 2.224 km NE of San Ardo, California · 14298 days ago · 8 km deep · 55 km away
  4. 2.02 km S of Oak Shores, California · 14299 days ago · 7 km deep · 95 km away
  5. 2.57 km NW of Parkfield, California · 14299 days ago · 10 km deep · 48 km away
  6. 2.97 km NNE of Coalinga, California · 14301 days ago · 11 km deep · 18 km away
  7. 1.52 km S of Oak Shores, California · 14301 days ago · 7 km deep · 95 km away
  8. 1.921 km NE of Soledad, California · 14302 days ago · 6 km deep · 95 km away
  9. 1.724 km NE of Greenfield, California · 14302 days ago · 7 km deep · 85 km away
  10. 1.813 km N of Coalinga, California · 14303 days ago · 10 km deep · 19 km away
  11. 1.517 km N of Coalinga, California · 14304 days ago · 10 km deep · 22 km away
  12. 2.45 km NNE of Coalinga, California · 14304 days ago · 14 km deep · 20 km away
  13. 2.29 km N of Coalinga, California · 14305 days ago · 10 km deep · 20 km away
  14. 1.71 km SSE of Oak Shores, California · 14307 days ago · 7 km deep · 95 km away
  15. 1.918 km NW of Coalinga, California · 14308 days ago · 7 km deep · 30 km away
  16. 1.618 km NW of Coalinga, California · 14308 days ago · 7 km deep · 29 km away
  17. 1.71 km SSE of Oak Shores, California · 14310 days ago · 7 km deep · 95 km away
  18. 1.617 km NNW of Coalinga, California · 14310 days ago · 11 km deep · 23 km away
  19. 2.49 km NE of Coalinga, California · 14310 days ago · 2 km deep · 15 km away
  20. 1.69 km NNE of Lockwood, California · 14311 days ago · 11 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10084779. Read Wed, Sep 30, 2026, 9:35 AM UTC.