California earthquakes

M1.6 earthquake 22 km NNE of Soledad, California

A magnitude 1.6 earthquake struck 22 km NNE of Soledad, California on Sun, Sep 27, 1987, 2:56 AM PDT (09:56 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.8 22 km NE of San Ardo, 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
1.6 (md), micro
Local time
UTC
1987-09-27 09:56:08 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
36.599° N, 121.204° 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, 0.6 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
59°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.616 km N of Coalinga, California · 14248 days ago · 11 km deep · 81 km away
  2. 1.614 km WNW of Coalinga, California · 14248 days ago · 6 km deep · 77 km away
  3. 2.08 km S of Davenport, California · 14247 days ago · 6 km deep · 96 km away
  4. 2.06 km ENE of Hollister, California · 14247 days ago · 7 km deep · 34 km away
  5. 4.822 km NE of San Ardo, California · 14244 days ago · 27 km deep · 66 km away
  6. 1.55 km NNE of Coalinga, California · 14244 days ago · 13 km deep · 89 km away
  7. 1.86 km ENE of Hollister, California · 14244 days ago · 6 km deep · 32 km away
  8. 1.66 km SE of Tres Pinos, California · 14243 days ago · 5 km deep · 18 km away
  9. 1.823 km NE of King City, California · 14243 days ago · 7 km deep · 38 km away
  10. 1.8Northern California · 14243 days ago · 12 km deep · 65 km away
  11. 2.423 km NE of Greenfield, California · 14243 days ago · 7 km deep · 20 km away
  12. 2.621 km NE of Soledad, California · 14243 days ago · 7 km deep · 5 km away
  13. 1.88 km NE of Coalinga, California · 14241 days ago · 10 km deep · 92 km away
  14. 1.613 km N of Morgan Hill, California · 14241 days ago · 5 km deep · 82 km away
  15. 1.95 km NNE of Coalinga, California · 14241 days ago · 14 km deep · 90 km away
  16. 2.022 km NE of Soledad, California · 14240 days ago · 4 km deep · 2 km away
  17. 1.812 km ESE of East Foothills, California · 14240 days ago · 8 km deep · 91 km away
  18. 1.616 km E of Seven Trees, California · 14239 days ago · 6 km deep · 87 km away
  19. 2.17 km NE of Coalinga, California · 14238 days ago · 9 km deep · 92 km away
  20. 2.19 km ENE of Coalinga, California · 14238 days ago · 10 km deep · 97 km away
  21. 2.311 km SSE of Tres Pinos, California · 14238 days ago · 16 km deep · 13 km away
  22. 1.621 km NE of Soledad, California · 14236 days ago · 6 km deep · 5 km away
  23. 1.513 km WNW of Diablo Grande, California · 14236 days ago · 6 km deep · 95 km away
  24. 1.614 km NNW of Coalinga, California · 14236 days ago · 10 km deep · 80 km away
  25. 1.725 km NE of King City, California · 14236 days ago · 1 km deep · 31 km away
  26. 1.75 km NNE of Tres Pinos, California · 14235 days ago · 4 km deep · 27 km away
  27. 1.715 km NNW of Coalinga, California · 14235 days ago · 8 km deep · 80 km away
  28. 2.719 km SSE of Tres Pinos, California · 14233 days ago · 10 km deep · 5 km away
  29. 2.813 km N of Morgan Hill, California · 14232 days ago · 4 km deep · 82 km away
  30. 1.624 km ENE of Soledad, California · 14232 days ago · 3 km deep · 17 km away
  31. 1.911 km N of Coalinga, California · 14231 days ago · 12 km deep · 83 km away
  32. 2.03 km WSW of San Juan Bautista, California · 14230 days ago · 8 km deep · 42 km away
  33. 1.816 km NNW of San Simeon, California · 14230 days ago · 4 km deep · 91 km away
  34. 1.624 km WSW of Lockwood, California · 14229 days ago · 10 km deep · 80 km away
  35. 2.521 km SSE of Tres Pinos, California · 14229 days ago · 6 km deep · 2 km away
  36. 1.821 km SSE of Tres Pinos, California · 14229 days ago · 5 km deep · 2 km away
  37. 1.715 km E of Seven Trees, California · 14228 days ago · 6 km deep · 87 km away
  38. 2.04 km SE of Aromas, California · 14228 days ago · 7 km deep · 46 km away
  39. 2.116 km NNW of Coalinga, California · 14228 days ago · 11 km deep · 78 km away
  40. 2.916 km NNW of San Simeon, California · 14228 days ago · 3 km deep · 91 km away
  41. 1.79 km E of San Martin, California · 14228 days ago · 9 km deep · 61 km away
  42. 2.821 km NE of Soledad, California · 14227 days ago · 9 km deep · 9 km away
  43. 1.621 km NE of Soledad, California · 14227 days ago · 8 km deep · 9 km away
  44. 1.621 km SSE of Tres Pinos, California · 14227 days ago · 6 km deep · 2 km away
  45. 1.521 km SSE of Tres Pinos, California · 14227 days ago · 6 km deep · 2 km away
  46. 2.319 km WSW of Three Rocks, California · 14226 days ago · 16 km deep · 57 km away
  47. 1.721 km NW of San Simeon, California · 14224 days ago · 6 km deep · 89 km away
  48. 2.02 km SE of San Ardo, California · 14224 days ago · 10 km deep · 72 km away
  49. 1.65 km SE of Tres Pinos, California · 14224 days ago · 7 km deep · 19 km away
  50. 2.17 km S of Three Rocks, California · 14224 days ago · 9 km deep · 75 km away
  51. 1.615 km NNW of San Simeon, California · 14223 days ago · 8 km deep · 92 km away
  52. 1.67 km W of Gilroy, California · 14223 days ago · 6 km deep · 59 km away
  53. 1.614 km E of Seven Trees, California · 14223 days ago · 2 km deep · 87 km away
  54. 1.811 km NE of Coalinga, California · 14221 days ago · 9 km deep · 92 km away
  55. 1.65 km SW of Gilroy, California · 14221 days ago · 4 km deep · 56 km away
  56. 1.68 km SE of Los Banos, California · 14220 days ago · 4 km deep · 59 km away
  57. 1.8Central California · 14219 days ago · 9 km deep · 12 km away
  58. 1.636 km ESE of Tres Pinos, California · 14219 days ago · 0 km deep · 27 km away
  59. 2.215 km N of Morgan Hill, CA · 14218 days ago · 3 km deep · 84 km away
  60. 1.85 km SE of Tres Pinos, California · 14218 days ago · 9 km deep · 19 km away

The first 60 of 152.

Before

  1. 2.310 km NW of Coalinga, California · 14248 days ago · 6 km deep · 81 km away
  2. 3.02 km SSW of Lexington Hills, California · 14250 days ago · 16 km deep · 92 km away
  3. 1.923 km NE of San Lucas, California · 14251 days ago · 7 km deep · 52 km away
  4. 2.222 km NNE of Soledad, California · 14252 days ago · 9 km deep · 1 km away
  5. 1.96 km W of Oak Shores, California · 14253 days ago · 5 km deep · 93 km away
  6. 1.610 km NW of Parkfield, California · 14254 days ago · 7 km deep · 94 km away
  7. 1.88 km ENE of Morgan Hill, California · 14254 days ago · 2 km deep · 70 km away
  8. 1.66 km ENE of Coalinga, California · 14254 days ago · 13 km deep · 95 km away
  9. 1.77 km S of Tres Pinos, California · 14254 days ago · 7 km deep · 17 km away
  10. 2.08 km ENE of Coalinga, California · 14255 days ago · 10 km deep · 96 km away
  11. 2.56 km ENE of Hollister, California · 14255 days ago · 8 km deep · 34 km away
  12. 1.613 km SSE of Tres Pinos, California · 14255 days ago · 3 km deep · 11 km away
  13. 1.627 km SE of Tres Pinos, California · 14255 days ago · 8 km deep · 9 km away
  14. 1.53 km WNW of San Juan Bautista, California · 14256 days ago · 4 km deep · 44 km away
  15. 1.620 km SSE of Tres Pinos, California · 14256 days ago · 4 km deep · 3 km away
  16. 2.24 km NW of Parkfield, California · 14257 days ago · 5 km deep · 100 km away
  17. 1.94 km NW of Parkfield, California · 14257 days ago · 5 km deep · 100 km away
  18. 1.94 km NW of Parkfield, California · 14257 days ago · 5 km deep · 100 km away
  19. 1.64 km NW of Parkfield, California · 14257 days ago · 5 km deep · 100 km away
  20. 3.113 km N of Coalinga, California · 14257 days ago · 9 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc106375. Read Wed, Sep 30, 2026, 7:00 PM UTC.