California earthquakes

M1.5 earthquake 21 km NE of Soledad, California

A magnitude 1.5 earthquake struck 21 km NE of Soledad, California on Sat, May 9, 1987, 9:28 PM PDT (04:28 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 18 km WSW of Mendota, 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
1.5 (md), micro
Local time
UTC
1987-05-10 04:28:35 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
36.584° N, 121.184° 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, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
109°
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: 133 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 2.018 km WSW of Mendota, California · 14380 days ago · 1 km deep · 56 km away
  2. 2.421 km NE of Soledad, California · 14380 days ago · 2 km deep · 5 km away
  3. 2.14 km NE of Tres Pinos, California · 14380 days ago · 7 km deep · 28 km away
  4. 1.613 km N of Morgan Hill, California · 14379 days ago · 3 km deep · 84 km away
  5. 1.819 km SSE of Tres Pinos, California · 14379 days ago · 4 km deep · 6 km away
  6. 1.714 km N of Coalinga, California · 14379 days ago · 9 km deep · 81 km away
  7. 1.9Central California · 14379 days ago · 1 km deep · 69 km away
  8. 1.713 km N of Hollister, California · 14378 days ago · 6 km deep · 46 km away
  9. 1.617 km SSE of Tres Pinos, California · 14377 days ago · 4 km deep · 9 km away
  10. 2.810 km E of Coalinga, California · 14376 days ago · 10 km deep · 98 km away
  11. 1.817 km SSE of Tres Pinos, California · 14375 days ago · 4 km deep · 9 km away
  12. 2.12 km ESE of San Ardo, California · 14373 days ago · 11 km deep · 69 km away
  13. 2.220 km W of Lockwood, California · 14373 days ago · 2 km deep · 73 km away
  14. 1.723 km NW of Parkfield, California · 14373 days ago · 6 km deep · 78 km away
  15. 2.114 km N of Morgan Hill, California · 14372 days ago · 3 km deep · 86 km away
  16. 1.923 km ENE of Soledad, California · 14372 days ago · 4 km deep · 14 km away
  17. 2.324 km NW of Parkfield, California · 14372 days ago · 0 km deep · 78 km away
  18. 1.718 km SSE of Tres Pinos, California · 14371 days ago · 10 km deep · 8 km away
  19. 1.814 km N of Morgan Hill, California · 14370 days ago · 6 km deep · 86 km away
  20. 1.518 km SSE of Tres Pinos, California · 14370 days ago · 10 km deep · 8 km away
  21. 1.6Central California · 14370 days ago · 3 km deep · 85 km away
  22. 1.510 km NE of Coalinga, California · 14369 days ago · 11 km deep · 93 km away
  23. 1.79 km N of Coalinga, California · 14369 days ago · 9 km deep · 84 km away
  24. 1.816 km E of Seven Trees, California · 14368 days ago · 6 km deep · 88 km away
  25. 1.818 km NNW of Coalinga, California · 14367 days ago · 10 km deep · 73 km away
  26. 2.622 km NE of Soledad, California · 14367 days ago · 4 km deep · 0 km away
  27. 1.61 km NE of Pacific Grove, California · 14366 days ago · 4 km deep · 64 km away
  28. 1.724 km NE of King City, California · 14366 days ago · 6 km deep · 32 km away
  29. 1.88 km ENE of Coalinga, California · 14366 days ago · 11 km deep · 93 km away
  30. 1.514 km E of Seven Trees, California · 14365 days ago · 2 km deep · 90 km away
  31. 1.57 km ENE of Interlaken, California · 14365 days ago · 8 km deep · 61 km away
  32. 1.521 km NE of Soledad, California · 14365 days ago · 6 km deep · 2 km away
  33. 2.05 km SE of Tres Pinos, California · 14364 days ago · 7 km deep · 21 km away
  34. 1.68 km ESE of East Foothills, California · 14364 days ago · 2 km deep · 98 km away
  35. 1.62 km ESE of San Ardo, California · 14363 days ago · 10 km deep · 69 km away
  36. 1.623 km ENE of Soledad, California · 14363 days ago · 5 km deep · 12 km away
  37. 1.612 km ESE of East Foothills, California · 14363 days ago · 5 km deep · 94 km away
  38. 1.823 km NE of Greenfield, California · 14363 days ago · 5 km deep · 19 km away
  39. 1.814 km N of Morgan Hill, California · 14362 days ago · 5 km deep · 86 km away
  40. 1.718 km NNW of Coalinga, California · 14362 days ago · 8 km deep · 75 km away
  41. 1.520 km NNW of Coalinga, California · 14361 days ago · 4 km deep · 72 km away
  42. 1.619 km E of East Foothills, California · 14361 days ago · 5 km deep · 93 km away
  43. 1.75 km WSW of Gilroy, California · 14361 days ago · 7 km deep · 60 km away
  44. 1.918 km NNW of Coalinga, California · 14361 days ago · 9 km deep · 75 km away
  45. 1.816 km NW of Parkfield, California · 14360 days ago · 4 km deep · 86 km away
  46. 1.816 km NW of Parkfield, California · 14360 days ago · 4 km deep · 86 km away
  47. 2.118 km SSW of Volta, California · 14360 days ago · 7 km deep · 43 km away
  48. 2.235 km NW of San Simeon, California · 14359 days ago · 11 km deep · 86 km away
  49. 1.96 km SW of Ridgemark, California · 14359 days ago · 10 km deep · 28 km away
  50. 1.79 km N of Coalinga, California · 14359 days ago · 11 km deep · 84 km away
  51. 1.911 km WSW of Huron, California · 14358 days ago · 12 km deep · 99 km away
  52. 1.615 km NW of Parkfield, California · 14357 days ago · 4 km deep · 86 km away
  53. 1.918 km NNW of Coalinga, California · 14357 days ago · 9 km deep · 75 km away
  54. 3.018 km NNW of Coalinga, California · 14357 days ago · 9 km deep · 75 km away
  55. 2.014 km E of Seven Trees, California · 14357 days ago · 4 km deep · 90 km away
  56. 1.814 km E of Seven Trees, California · 14357 days ago · 3 km deep · 89 km away
  57. 1.621 km NE of Soledad, California · 14356 days ago · 2 km deep · 1 km away
  58. 1.514 km N of Morgan Hill, California · 14355 days ago · 6 km deep · 86 km away
  59. 2.713 km N of Morgan Hill, California · 14355 days ago · 6 km deep · 85 km away
  60. 1.724 km ENE of San Ardo, California · 14354 days ago · 3 km deep · 73 km away

The first 60 of 133.

Before

  1. 1.614 km N of Coalinga, California · 14381 days ago · 10 km deep · 79 km away
  2. 2.35 km NW of Parkfield, California · 14381 days ago · 5 km deep · 96 km away
  3. 2.19 km ESE of Gilroy, California · 14382 days ago · 5 km deep · 51 km away
  4. 1.614 km ESE of East Foothills, California · 14382 days ago · 1 km deep · 95 km away
  5. 1.89 km ESE of East Foothills, California · 14382 days ago · 1 km deep · 97 km away
  6. 1.622 km NNE of Soledad, California · 14383 days ago · 6 km deep · 2 km away
  7. 2.29 km SE of San Juan Bautista, California · 14383 days ago · 7 km deep · 33 km away
  8. 1.7Northern California · 14383 days ago · 7 km deep · 67 km away
  9. 1.65 km NW of Parkfield, CA · 14384 days ago · 4 km deep · 97 km away
  10. 1.618 km SSE of Tres Pinos, California · 14384 days ago · 6 km deep · 8 km away
  11. 1.613 km N of Morgan Hill, California · 14384 days ago · 3 km deep · 84 km away
  12. 2.310 km NE of San Simeon, California · 14385 days ago · 5 km deep · 99 km away
  13. 1.923 km ENE of Soledad, California · 14386 days ago · 4 km deep · 13 km away
  14. 1.623 km ENE of Soledad, California · 14386 days ago · 4 km deep · 13 km away
  15. 1.622 km SSE of Tres Pinos, California · 14387 days ago · 4 km deep · 4 km away
  16. 1.615 km NW of Parkfield, California · 14387 days ago · 5 km deep · 86 km away
  17. 1.823 km ENE of Soledad, California · 14387 days ago · 6 km deep · 14 km away
  18. 2.016 km NW of Parkfield, California · 14387 days ago · 4 km deep · 86 km away
  19. 2.34 km SSE of San Juan Bautista, California · 14387 days ago · 7 km deep · 39 km away
  20. 1.65 km SW of Gilroy, California · 14388 days ago · 3 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc100086. Read Tue, Sep 22, 2026, 10:24 PM UTC.