California earthquakes

M1.8 earthquake 11 km SW of Soledad, California

A magnitude 1.8 earthquake struck 11 km SW of Soledad, California on Sun, Dec 6, 1987, 3:00 AM PST (11:00 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M1.9 Central California. This one was a foreshock.

Soledad 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
1987-12-06 11:00:31 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
36.341° N, 121.405° 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, 0.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
74°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 140 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 1.725 km NE of San Lucas, California · 14170 days ago · 7 km deep · 50 km away
  2. 1.9Central California · 14170 days ago · 6 km deep · 70 km away
  3. 1.621 km SSE of Tres Pinos, California · 14170 days ago · 4 km deep · 35 km away
  4. 1.526 km NE of San Lucas, California · 14169 days ago · 9 km deep · 50 km away
  5. 1.823 km SSW of Los Banos, California · 14166 days ago · 0 km deep · 71 km away
  6. 1.628 km NE of San Ardo, California · 14163 days ago · 0 km deep · 67 km away
  7. 1.75 km NNE of Tres Pinos, California · 14162 days ago · 6 km deep · 56 km away
  8. 1.925 km WSW of Coalinga, California · 14162 days ago · 3 km deep · 76 km away
  9. 1.940 km ENE of Soledad, California · 14161 days ago · 5 km deep · 51 km away
  10. 1.918 km NW of Parkfield, California · 14160 days ago · 5 km deep · 82 km away
  11. 1.66 km NE of Ridgemark, California · 14159 days ago · 5 km deep · 57 km away
  12. 1.823 km NE of San Ardo, California · 14159 days ago · 3 km deep · 60 km away
  13. 3.09 km SW of Tres Pinos, CA · 14158 days ago · 2 km deep · 44 km away
  14. 1.824 km ENE of Soledad, California · 14157 days ago · 2 km deep · 34 km away
  15. 2.022 km ENE of San Lucas, California · 14157 days ago · 9 km deep · 55 km away
  16. 1.5Central California · 14157 days ago · 5 km deep · 60 km away
  17. 1.925 km ENE of Greenfield, California · 14155 days ago · -1 km deep · 38 km away
  18. 2.026 km SW of Firebaugh, California · 14155 days ago · 5 km deep · 76 km away
  19. 1.926 km SW of Firebaugh, California · 14155 days ago · 4 km deep · 76 km away
  20. 1.926 km SW of Firebaugh, California · 14155 days ago · 3 km deep · 76 km away
  21. 1.726 km SW of Firebaugh, California · 14155 days ago · 4 km deep · 76 km away
  22. 1.526 km SW of Firebaugh, California · 14155 days ago · 6 km deep · 76 km away
  23. 2.029 km SSW of South Dos Palos, California · 14154 days ago · 0 km deep · 71 km away
  24. 3.828 km SSW of South Dos Palos, California · 14154 days ago · 3 km deep · 73 km away
  25. 2.631 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 69 km away
  26. 2.329 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 71 km away
  27. 2.032 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 67 km away
  28. 2.930 km SSW of South Dos Palos, California · 14154 days ago · 2 km deep · 71 km away
  29. 1.829 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 71 km away
  30. 2.0Central California · 14154 days ago · -1 km deep · 71 km away
  31. 1.5Central California · 14154 days ago · -1 km deep · 70 km away
  32. 2.429 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 71 km away
  33. 1.625 km ENE of Greenfield, California · 14154 days ago · 6 km deep · 38 km away
  34. 2.229 km SSW of South Dos Palos, California · 14153 days ago · -1 km deep · 72 km away
  35. 1.712 km N of Coalinga, California · 14153 days ago · 8 km deep · 92 km away
  36. 1.55 km S of Ridgemark, California · 14152 days ago · 8 km deep · 47 km away
  37. 1.919 km SE of Big Sur, California · 14151 days ago · 14 km deep · 30 km away
  38. 2.120 km SSE of Tres Pinos, California · 14151 days ago · 5 km deep · 35 km away
  39. 2.126 km SW of Firebaugh, California · 14151 days ago · 0 km deep · 76 km away
  40. 1.69 km NE of Morgan Hill, California · 14151 days ago · 5 km deep · 96 km away
  41. 2.029 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 72 km away
  42. 2.031 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 70 km away
  43. 1.923 km ENE of San Ardo, California · 14150 days ago · 3 km deep · 72 km away
  44. 2.428 km SSW of South Dos Palos, California · 14150 days ago · -1 km deep · 72 km away
  45. 2.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 72 km away
  46. 1.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 72 km away
  47. 2.021 km NE of Soledad, California · 14150 days ago · 7 km deep · 33 km away
  48. 2.120 km SSE of Tres Pinos, California · 14150 days ago · 5 km deep · 35 km away
  49. 1.96 km SW of Spreckels, California · 14149 days ago · 11 km deep · 37 km away
  50. 1.921 km NNE of Soledad, California · 14149 days ago · 8 km deep · 33 km away
  51. 1.726 km NE of Soledad, California · 14148 days ago · 10 km deep · 38 km away
  52. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 38 km away
  53. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 38 km away
  54. 2.332 km SSW of South Dos Palos, California · 14147 days ago · 1 km deep · 69 km away
  55. 1.713 km SSE of Tres Pinos, California · 14146 days ago · 4 km deep · 38 km away
  56. 2.2Central California · 14146 days ago · -1 km deep · 73 km away
  57. 1.99 km S of San Juan Bautista, California · 14145 days ago · 8 km deep · 48 km away
  58. 1.528 km SSW of South Dos Palos, California · 14145 days ago · 0 km deep · 73 km away
  59. 3.58 km ENE of San Martin, California · 14144 days ago · 8 km deep · 87 km away
  60. 1.68 km ENE of San Martin, California · 14144 days ago · 7 km deep · 87 km away

The first 60 of 140.

Before

  1. 1.711 km SW of Soledad, California · 14171 days ago · 11 km deep · 0 km away
  2. 1.826 km NW of San Simeon, California · 14172 days ago · 8 km deep · 59 km away
  3. 1.66 km E of Tres Pinos, California · 14173 days ago · 7 km deep · 52 km away
  4. 1.98 km NNE of Coalinga, California · 14174 days ago · 10 km deep · 99 km away
  5. 3.78 km ENE of Gilroy, California · 14174 days ago · 8 km deep · 76 km away
  6. 1.525 km NE of Greenfield, California · 14175 days ago · 8 km deep · 37 km away
  7. 2.221 km NE of Soledad, California · 14175 days ago · 2 km deep · 34 km away
  8. 1.617 km N of Coalinga, California · 14175 days ago · 11 km deep · 97 km away
  9. 1.716 km N of Coalinga, California · 14175 days ago · 9 km deep · 95 km away
  10. 1.715 km SSE of Tres Pinos, California · 14175 days ago · 4 km deep · 37 km away
  11. 2.716 km SSE of Tres Pinos, California · 14175 days ago · 5 km deep · 37 km away
  12. 2.0Central California · 14176 days ago · 5 km deep · 35 km away
  13. 2.124 km NE of Greenfield, California · 14176 days ago · 0 km deep · 36 km away
  14. 1.725 km NE of Greenfield, California · 14177 days ago · 8 km deep · 37 km away
  15. 1.812 km NW of Oak Shores, California · 14177 days ago · 6 km deep · 64 km away
  16. 2.518 km NW of Parkfield, California · 14177 days ago · 5 km deep · 82 km away
  17. 2.025 km NNE of King City, California · 14178 days ago · 1 km deep · 39 km away
  18. 1.729 km SW of South Dos Palos, California · 14178 days ago · 5 km deep · 67 km away
  19. 1.822 km ESE of Big Sur, California · 14179 days ago · 17 km deep · 20 km away
  20. 2.89 km N of Coalinga, California · 14180 days ago · 9 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc109626. Read Tue, Sep 22, 2026, 10:27 PM UTC.