California earthquakes

M1.8 earthquake 22 km NE of Soledad, California

A magnitude 1.8 earthquake struck 22 km NE of Soledad, California on Sat, Oct 31, 1987, 3:21 PM PST (23:21 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.0 21 km NNE of Soledad, 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-10-31 23:21:04 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.582° N, 121.177° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
56°
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: 174 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.526 km NE of Greenfield, California · 14215 days ago · 7 km deep · 20 km away
  2. 1.618 km SSE of Tres Pinos, California · 14214 days ago · 8 km deep · 8 km away
  3. 1.816 km NW of Huron, California · 14214 days ago · 5 km deep · 90 km away
  4. 3.215 km E of Seven Trees, California · 14214 days ago · 6 km deep · 90 km away
  5. 1.615 km E of Seven Trees, California · 14214 days ago · 5 km deep · 90 km away
  6. 1.615 km E of Seven Trees, California · 14214 days ago · 5 km deep · 90 km away
  7. 2.06 km ENE of Hollister, California · 14213 days ago · 7 km deep · 37 km away
  8. 3.14 km SW of Tres Pinos, California · 14213 days ago · 7 km deep · 26 km away
  9. 1.811 km S of Tres Pinos, California · 14213 days ago · 3 km deep · 17 km away
  10. 1.62 km NNW of Hollister, California · 14212 days ago · 7 km deep · 39 km away
  11. 2.610 km W of Three Rocks, California · 14212 days ago · 12 km deep · 60 km away
  12. 1.65 km SSW of Gilroy, California · 14211 days ago · 4 km deep · 56 km away
  13. 1.621 km NNE of Soledad, California · 14211 days ago · 8 km deep · 3 km away
  14. 2.86 km ENE of Hollister, California · 14211 days ago · 8 km deep · 36 km away
  15. 1.611 km SW of Soledad, California · 14210 days ago · 12 km deep · 34 km away
  16. 1.56 km ENE of Hollister, California · 14210 days ago · 7 km deep · 37 km away
  17. 1.510 km ESE of Gilroy, California · 14209 days ago · 4 km deep · 50 km away
  18. 4.021 km NNE of Soledad, California · 14208 days ago · 9 km deep · 3 km away
  19. 1.921 km NNE of Soledad, California · 14208 days ago · 7 km deep · 3 km away
  20. 2.421 km NNE of Soledad, California · 14208 days ago · 7 km deep · 2 km away
  21. 1.85 km SE of Tres Pinos, California · 14208 days ago · 7 km deep · 22 km away
  22. 1.512 km N of Coalinga, California · 14208 days ago · 9 km deep · 81 km away
  23. 2.421 km NNE of Soledad, California · 14208 days ago · 7 km deep · 2 km away
  24. 1.85 km NNE of Tres Pinos, California · 14207 days ago · 4 km deep · 30 km away
  25. 1.612 km E of Coalinga, California · 14207 days ago · 2 km deep · 99 km away
  26. 1.82 km ESE of San Ardo, California · 14207 days ago · 13 km deep · 69 km away
  27. 1.69 km NNE of Lockwood, California · 14206 days ago · 11 km deep · 64 km away
  28. 1.96 km ENE of Hollister, California · 14204 days ago · 5 km deep · 36 km away
  29. 1.521 km NE of Soledad, California · 14204 days ago · 8 km deep · 6 km away
  30. 1.56 km NE of Ridgemark, California · 14203 days ago · 4 km deep · 32 km away
  31. 2.521 km NNE of Soledad, California · 14203 days ago · 8 km deep · 3 km away
  32. 1.98 km NE of Ridgemark, California · 14202 days ago · 6 km deep · 34 km away
  33. 1.614 km E of Seven Trees, California · 14202 days ago · 2 km deep · 91 km away
  34. 1.61 km ESE of San Ardo, California · 14201 days ago · 10 km deep · 68 km away
  35. 2.811 km SW of Soledad, California · 14200 days ago · 13 km deep · 34 km away
  36. 1.811 km SW of Soledad, California · 14200 days ago · 13 km deep · 34 km away
  37. 2.56 km ENE of Hollister, California · 14200 days ago · 7 km deep · 36 km away
  38. 1.56 km ENE of Hollister, California · 14200 days ago · 7 km deep · 36 km away
  39. 2.641 km ENE of Soledad, California · 14200 days ago · 5 km deep · 24 km away
  40. 2.12 km ESE of San Ardo, California · 14200 days ago · 12 km deep · 68 km away
  41. 2.312 km SW of Soledad, California · 14200 days ago · 14 km deep · 34 km away
  42. 2.112 km SW of Soledad, California · 14200 days ago · 14 km deep · 34 km away
  43. 2.47 km NNE of Interlaken, California · 14200 days ago · 12 km deep · 68 km away
  44. 1.56 km ENE of Coalinga, California · 14200 days ago · 12 km deep · 92 km away
  45. 1.721 km NNE of Soledad, California · 14200 days ago · 7 km deep · 3 km away
  46. 2.717 km SSE of Tres Pinos, California · 14200 days ago · 8 km deep · 10 km away
  47. 2.022 km NNE of Soledad, California · 14199 days ago · 2 km deep · 3 km away
  48. 1.711 km SW of Soledad, California · 14199 days ago · 14 km deep · 33 km away
  49. 2.015 km E of Seven Trees, California · 14199 days ago · 3 km deep · 89 km away
  50. 2.321 km NE of Soledad, California · 14199 days ago · 6 km deep · 1 km away
  51. 2.012 km NW of Parkfield, California · 14199 days ago · 11 km deep · 89 km away
  52. 3.011 km WNW of Oak Shores, California · 14199 days ago · 6 km deep · 85 km away
  53. 1.611 km NW of Oak Shores, California · 14199 days ago · 6 km deep · 84 km away
  54. 1.916 km NNE of Coalinga, California · 14198 days ago · 4 km deep · 83 km away
  55. 1.611 km ESE of East Foothills, California · 14198 days ago · 7 km deep · 96 km away
  56. 1.824 km NE of Soledad, California · 14197 days ago · 8 km deep · 8 km away
  57. 1.822 km NE of Soledad, California · 14197 days ago · 8 km deep · 3 km away
  58. 1.5Central California · 14196 days ago · 8 km deep · 2 km away
  59. 1.53 km WNW of Ridgemark, California · 14196 days ago · 7 km deep · 33 km away
  60. 2.35 km WSW of Gilroy, California · 14195 days ago · 3 km deep · 60 km away

The first 60 of 174.

Before

  1. 2.511 km ESE of East Foothills, California · 14216 days ago · 8 km deep · 96 km away
  2. 2.411 km NE of Coalinga, California · 14218 days ago · 11 km deep · 89 km away
  3. 1.522 km NNE of Soledad, California · 14218 days ago · 8 km deep · 4 km away
  4. 3.322 km NNE of Soledad, California · 14218 days ago · 9 km deep · 3 km away
  5. 2.122 km WSW of Greenfield, California · 14218 days ago · 13 km deep · 48 km away
  6. 1.726 km ENE of Soledad, California · 14218 days ago · 7 km deep · 9 km away
  7. 2.021 km S of Big Sur, California · 14218 days ago · 17 km deep · 81 km away
  8. 3.210 km S of Tres Pinos, California · 14218 days ago · 3 km deep · 17 km away
  9. 2.015 km N of Coalinga, California · 14219 days ago · 14 km deep · 78 km away
  10. 1.55 km SW of Gilroy, California · 14219 days ago · 3 km deep · 57 km away
  11. 1.85 km SE of Tres Pinos, California · 14219 days ago · 9 km deep · 21 km away
  12. 2.215 km N of Morgan Hill, CA · 14220 days ago · 3 km deep · 86 km away
  13. 1.636 km ESE of Tres Pinos, California · 14220 days ago · 0 km deep · 26 km away
  14. 1.8Central California · 14221 days ago · 9 km deep · 13 km away
  15. 1.68 km SE of Los Banos, California · 14221 days ago · 4 km deep · 59 km away
  16. 1.65 km SW of Gilroy, California · 14222 days ago · 4 km deep · 59 km away
  17. 1.811 km NE of Coalinga, California · 14222 days ago · 9 km deep · 89 km away
  18. 1.614 km E of Seven Trees, California · 14224 days ago · 2 km deep · 90 km away
  19. 1.67 km W of Gilroy, California · 14224 days ago · 6 km deep · 62 km away
  20. 1.615 km NNW of San Simeon, California · 14224 days ago · 8 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc107869. Read Thu, Oct 1, 2026, 10:11 PM UTC.