California earthquakes

M1.7 earthquake 10 km S of Huron, California

A magnitude 1.7 earthquake struck 10 km S of Huron, California on Sat, Dec 12, 1987, 1:28 PM PST (21:28 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.8 28 km SSW of South Dos Palos, 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
1.7 (md), micro
Local time
UTC
1987-12-12 21:28:36 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
36.112° N, 120.094° 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 3.4 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
287°, poorly surrounded by stations
Stations used
9

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 37 in the 30 days before it.

After

  1. 1.628 km NE of San Ardo, California · 14168 days ago · 0 km deep · 53 km away
  2. 1.610 km NE of Coalinga, California · 14166 days ago · 9 km deep · 18 km away
  3. 1.925 km WSW of Coalinga, California · 14166 days ago · 3 km deep · 48 km away
  4. 1.940 km ENE of Soledad, California · 14166 days ago · 5 km deep · 89 km away
  5. 1.610 km ENE of Coalinga, California · 14166 days ago · 12 km deep · 16 km away
  6. 1.611 km ENE of Coalinga, California · 14166 days ago · 12 km deep · 15 km away
  7. 1.918 km NW of Parkfield, California · 14165 days ago · 5 km deep · 45 km away
  8. 1.823 km NE of San Ardo, California · 14164 days ago · 3 km deep · 60 km away
  9. 1.824 km ENE of Soledad, California · 14162 days ago · 2 km deep · 98 km away
  10. 2.022 km ENE of San Lucas, California · 14162 days ago · 9 km deep · 66 km away
  11. 1.925 km ENE of Greenfield, California · 14160 days ago · -1 km deep · 90 km away
  12. 2.026 km SW of Firebaugh, California · 14160 days ago · 5 km deep · 84 km away
  13. 1.926 km SW of Firebaugh, California · 14160 days ago · 4 km deep · 84 km away
  14. 1.926 km SW of Firebaugh, California · 14160 days ago · 3 km deep · 85 km away
  15. 1.726 km SW of Firebaugh, California · 14160 days ago · 4 km deep · 84 km away
  16. 1.526 km SW of Firebaugh, California · 14160 days ago · 6 km deep · 86 km away
  17. 2.029 km SSW of South Dos Palos, California · 14159 days ago · 0 km deep · 88 km away
  18. 3.828 km SSW of South Dos Palos, California · 14159 days ago · 3 km deep · 89 km away
  19. 2.631 km SSW of South Dos Palos, California · 14159 days ago · 1 km deep · 89 km away
  20. 2.329 km SSW of South Dos Palos, California · 14159 days ago · -1 km deep · 88 km away
  21. 2.032 km SSW of South Dos Palos, California · 14159 days ago · 1 km deep · 89 km away
  22. 2.930 km SSW of South Dos Palos, California · 14159 days ago · 2 km deep · 88 km away
  23. 1.829 km SSW of South Dos Palos, California · 14159 days ago · -1 km deep · 90 km away
  24. 2.0Central California · 14159 days ago · -1 km deep · 92 km away
  25. 1.5Central California · 14159 days ago · -1 km deep · 90 km away
  26. 2.429 km SSW of South Dos Palos, California · 14159 days ago · -1 km deep · 89 km away
  27. 1.625 km ENE of Greenfield, California · 14159 days ago · 6 km deep · 89 km away
  28. 2.229 km SSW of South Dos Palos, California · 14158 days ago · -1 km deep · 89 km away
  29. 1.712 km N of Coalinga, California · 14158 days ago · 8 km deep · 31 km away
  30. 2.126 km SW of Firebaugh, California · 14156 days ago · 0 km deep · 86 km away
  31. 2.029 km SSW of South Dos Palos, California · 14155 days ago · 3 km deep · 88 km away
  32. 2.031 km SSW of South Dos Palos, California · 14155 days ago · 3 km deep · 88 km away
  33. 1.923 km ENE of San Ardo, California · 14155 days ago · 3 km deep · 51 km away
  34. 2.428 km SSW of South Dos Palos, California · 14155 days ago · -1 km deep · 89 km away
  35. 2.829 km SSW of South Dos Palos, California · 14155 days ago · 0 km deep · 89 km away
  36. 1.829 km SSW of South Dos Palos, California · 14155 days ago · 0 km deep · 88 km away
  37. 2.36 km W of Biola, California · 14154 days ago · 23 km deep · 77 km away
  38. 2.332 km SSW of South Dos Palos, California · 14152 days ago · 1 km deep · 88 km away
  39. 2.2Central California · 14150 days ago · -1 km deep · 88 km away
  40. 1.528 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 88 km away
  41. 2.08 km SW of Huron, California · 14148 days ago · 9 km deep · 7 km away
  42. 1.66 km ENE of Coalinga, California · 14147 days ago · 10 km deep · 19 km away
  43. 1.611 km SW of Huron, California · 14147 days ago · 10 km deep · 9 km away
  44. 1.812 km ESE of Huron, California · 14147 days ago · 7 km deep · 11 km away
  45. 1.612 km SW of Huron, California · 14146 days ago · 12 km deep · 11 km away
  46. 1.611 km E of Coalinga, California · 14146 days ago · 6 km deep · 13 km away
  47. 1.5Central California · 14145 days ago · 5 km deep · 45 km away
  48. 1.628 km SSW of South Dos Palos, California · 14145 days ago · 0 km deep · 89 km away
  49. 1.826 km SW of Firebaugh, California · 14145 days ago · 3 km deep · 85 km away
  50. 2.0Central California · 14144 days ago · -1 km deep · 89 km away
  51. 2.124 km ENE of Greenfield, California · 14144 days ago · 5 km deep · 87 km away
  52. 1.614 km S of Lake Nacimiento, California · 14142 days ago · 8 km deep · 93 km away
  53. 1.724 km ENE of King City, California · 14140 days ago · 5 km deep · 76 km away
  54. 2.228 km SSW of South Dos Palos, California · 14139 days ago · -1 km deep · 89 km away
  55. 2.224 km ENE of Soledad, California · 14139 days ago · 3 km deep · 98 km away
  56. 1.624 km S of Kettleman City, California · 14137 days ago · 8 km deep · 37 km away
  57. 1.618 km NNW of Coalinga, California · 14137 days ago · 9 km deep · 36 km away
  58. 1.631 km WSW of Three Rocks, California · 14135 days ago · 13 km deep · 64 km away
  59. 2.230 km SW of South Dos Palos, California · 14135 days ago · -1 km deep · 100 km away
  60. 1.936 km ENE of Greenfield, California · 14134 days ago · 7 km deep · 84 km away

The first 60 of 90.

Before

  1. 2.05 km SSE of Mendota, California · 14174 days ago · 5 km deep · 70 km away
  2. 1.526 km NE of San Lucas, California · 14174 days ago · 9 km deep · 71 km away
  3. 1.725 km NE of San Lucas, California · 14175 days ago · 7 km deep · 71 km away
  4. 2.44 km SW of Avenal, California · 14176 days ago · 16 km deep · 17 km away
  5. 1.98 km NNE of Coalinga, California · 14179 days ago · 10 km deep · 22 km away
  6. 1.57 km WSW of Huron, California · 14179 days ago · 11 km deep · 10 km away
  7. 2.3Central California · 14179 days ago · 9 km deep · 11 km away
  8. 1.525 km NE of Greenfield, California · 14180 days ago · 8 km deep · 91 km away
  9. 1.617 km N of Coalinga, California · 14180 days ago · 11 km deep · 29 km away
  10. 1.716 km N of Coalinga, California · 14180 days ago · 9 km deep · 30 km away
  11. 2.124 km NE of Greenfield, California · 14181 days ago · 0 km deep · 93 km away
  12. 1.725 km NE of Greenfield, California · 14181 days ago · 8 km deep · 91 km away
  13. 1.812 km NW of Oak Shores, California · 14182 days ago · 6 km deep · 95 km away
  14. 2.518 km NW of Parkfield, California · 14182 days ago · 5 km deep · 45 km away
  15. 2.025 km NNE of King City, California · 14183 days ago · 1 km deep · 86 km away
  16. 2.89 km N of Coalinga, California · 14185 days ago · 9 km deep · 26 km away
  17. 2.19 km N of Coalinga, California · 14185 days ago · 9 km deep · 26 km away
  18. 1.630 km ENE of Soledad, California · 14185 days ago · 7 km deep · 98 km away
  19. 1.831 km ENE of Soledad, California · 14186 days ago · 7 km deep · 98 km away
  20. 1.813 km N of Coalinga, California · 14188 days ago · 9 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc109846. Read Sun, Sep 27, 2026, 8:32 PM UTC.