California earthquakes

M1.6 earthquake 21 km NE of Soledad, California

A magnitude 1.6 earthquake struck 21 km NE of Soledad, California on Fri, Apr 8, 1988, 9:18 PM PDT (04:18 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 10 km S of Tres Pinos, 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1988-04-09 04:18:11 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
36.556° N, 121.152° 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
±0.27
Depth from
From location
Station coverage gap
48°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.612 km ESE of East Foothills, California · 14055 days ago · 3 km deep · 99 km away
  2. 1.623 km ENE of Soledad, California · 14054 days ago · 4 km deep · 9 km away
  3. 1.523 km ENE of Soledad, California · 14054 days ago · 4 km deep · 9 km away
  4. 1.529 km SW of South Dos Palos, California · 14053 days ago · 6 km deep · 34 km away
  5. 1.713 km N of Morgan Hill, California · 14052 days ago · 4 km deep · 88 km away
  6. 1.537 km NW of San Simeon, California · 14049 days ago · 7 km deep · 83 km away
  7. 2.812 km NNE of Mendota, California · 14048 days ago · 33 km deep · 82 km away
  8. 3.113 km SSE of Tres Pinos, California · 14048 days ago · 3 km deep · 17 km away
  9. 1.524 km NE of Greenfield, California · 14048 days ago · 5 km deep · 12 km away
  10. 1.526 km ESE of Big Sur, California · 14047 days ago · 15 km deep · 56 km away
  11. 2.025 km NE of Greenfield, California · 14046 days ago · 7 km deep · 17 km away
  12. 3.228 km SSW of South Dos Palos, California · 14046 days ago · -1 km deep · 40 km away
  13. 1.928 km SSW of South Dos Palos, California · 14046 days ago · -1 km deep · 40 km away
  14. 1.730 km ENE of Soledad, California · 14046 days ago · 8 km deep · 11 km away
  15. 1.828 km SSW of South Dos Palos, California · 14045 days ago · -1 km deep · 40 km away
  16. 3.222 km ENE of Soledad, California · 14044 days ago · 5 km deep · 5 km away
  17. 1.611 km NNW of Coalinga, California · 14044 days ago · 9 km deep · 74 km away
  18. 1.811 km S of Tres Pinos, California · 14044 days ago · 4 km deep · 20 km away
  19. 2.321 km NE of Soledad, California · 14044 days ago · 4 km deep · 2 km away
  20. 2.121 km NE of Soledad, California · 14044 days ago · 5 km deep · 2 km away
  21. 3.12 km WSW of San Juan Bautista, California · 14044 days ago · 7 km deep · 49 km away
  22. 2.015 km E of Seven Trees, California · 14044 days ago · 6 km deep · 94 km away
  23. 1.611 km NNW of Coalinga, California · 14044 days ago · 10 km deep · 74 km away
  24. 2.2Central California · 14043 days ago · 8 km deep · 81 km away
  25. 1.824 km ENE of Soledad, California · 14043 days ago · 1 km deep · 5 km away
  26. 1.917 km SSE of Tres Pinos, California · 14042 days ago · 6 km deep · 13 km away
  27. 2.220 km NNE of Morgan Hill, California · 14042 days ago · 7 km deep · 93 km away
  28. 1.712 km NNW of Avenal, California · 14042 days ago · 4 km deep · 100 km away
  29. 1.516 km N of Morgan Hill, California · 14042 days ago · 8 km deep · 92 km away
  30. 3.110 km ENE of Coalinga, California · 14041 days ago · 10 km deep · 90 km away
  31. 1.717 km SSE of Tres Pinos, California · 14041 days ago · 4 km deep · 13 km away
  32. 2.37 km NE of Coalinga, California · 14038 days ago · 10 km deep · 85 km away
  33. 1.69 km ESE of Gilroy, California · 14037 days ago · 4 km deep · 55 km away
  34. 1.817 km SSE of Tres Pinos, California · 14036 days ago · 6 km deep · 13 km away
  35. 1.715 km E of Seven Trees, California · 14036 days ago · 6 km deep · 93 km away
  36. 2.115 km E of Seven Trees, California · 14036 days ago · 5 km deep · 94 km away
  37. 2.527 km SSW of South Dos Palos, California · 14035 days ago · 0 km deep · 42 km away
  38. 2.214 km E of Seven Trees, California · 14035 days ago · 6 km deep · 95 km away
  39. 2.12 km SW of San Juan Bautista, California · 14035 days ago · 6 km deep · 47 km away
  40. 1.715 km NW of Big Sur, California · 14035 days ago · 11 km deep · 71 km away
  41. 2.89 km S of Tres Pinos, California · 14034 days ago · 4 km deep · 23 km away
  42. 2.511 km ESE of Coalinga, California · 14034 days ago · 3 km deep · 96 km away
  43. 2.56 km WSW of Gilroy, California · 14033 days ago · 3 km deep · 64 km away
  44. 1.516 km NNW of Coalinga, California · 14033 days ago · 9 km deep · 74 km away
  45. 1.925 km NE of Greenfield, California · 14032 days ago · 0 km deep · 17 km away
  46. 3.112 km S of Tres Pinos, California · 14032 days ago · 4 km deep · 20 km away
  47. 1.912 km S of Tres Pinos, California · 14032 days ago · 4 km deep · 20 km away
  48. 1.614 km E of Seven Trees, California · 14031 days ago · 6 km deep · 95 km away
  49. 3.126 km SSW of South Dos Palos, California · 14031 days ago · -1 km deep · 42 km away
  50. 2.127 km SSW of South Dos Palos, California · 14031 days ago · -1 km deep · 42 km away
  51. 1.68 km SSE of Tres Pinos, California · 14031 days ago · 13 km deep · 21 km away
  52. 1.613 km NW of Parkfield, California · 14031 days ago · 4 km deep · 84 km away
  53. 1.812 km NNE of Coalinga, California · 14031 days ago · 9 km deep · 81 km away
  54. 1.56 km WSW of Gilroy, California · 14030 days ago · 3 km deep · 64 km away
  55. 1.99 km E of San Martin, California · 14030 days ago · 9 km deep · 67 km away
  56. 1.59 km S of Tres Pinos, California · 14030 days ago · 4 km deep · 23 km away
  57. 1.617 km S of Three Rocks, California · 14030 days ago · 4 km deep · 74 km away
  58. 1.87 km NE of Ridgemark, California · 14029 days ago · 4 km deep · 38 km away
  59. 2.86 km WSW of Gilroy, California · 14029 days ago · 5 km deep · 63 km away
  60. 1.723 km NE of King City, California · 14029 days ago · 6 km deep · 30 km away

The first 60 of 164.

Before

  1. 1.614 km E of Seven Trees, California · 14056 days ago · 2 km deep · 94 km away
  2. 2.321 km NE of Soledad, California · 14057 days ago · 6 km deep · 2 km away
  3. 1.68 km ENE of Gilroy, California · 14057 days ago · 8 km deep · 62 km away
  4. 1.723 km W of Three Rocks, California · 14057 days ago · 11 km deep · 46 km away
  5. 1.66 km SE of Tres Pinos, California · 14059 days ago · 6 km deep · 24 km away
  6. 2.016 km NNW of Coalinga, California · 14060 days ago · 9 km deep · 73 km away
  7. 2.22 km NNW of Aromas, California · 14060 days ago · 10 km deep · 60 km away
  8. 1.716 km NNW of Coalinga, California · 14060 days ago · 8 km deep · 73 km away
  9. 3.717 km NNW of Coalinga, California · 14060 days ago · 10 km deep · 72 km away
  10. 3.617 km NNW of Coalinga, California · 14060 days ago · 10 km deep · 72 km away
  11. 1.523 km ENE of Soledad, California · 14061 days ago · 4 km deep · 9 km away
  12. 1.829 km SW of South Dos Palos, California · 14062 days ago · 6 km deep · 34 km away
  13. 1.629 km SW of South Dos Palos, California · 14063 days ago · 6 km deep · 34 km away
  14. 2.06 km NW of Parkfield, California · 14065 days ago · 10 km deep · 91 km away
  15. 1.924 km ENE of Greenfield, California · 14065 days ago · 5 km deep · 18 km away
  16. 2.030 km ENE of Soledad, California · 14065 days ago · 7 km deep · 11 km away
  17. 1.95 km SE of Tres Pinos, California · 14067 days ago · 8 km deep · 25 km away
  18. 2.45 km SE of Tres Pinos, California · 14067 days ago · 8 km deep · 25 km away
  19. 2.09 km ENE of Morgan Hill, California · 14067 days ago · 8 km deep · 78 km away
  20. 2.312 km S of Tres Pinos, California · 14067 days ago · 3 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc115481. Read Sat, Oct 3, 2026, 12:00 AM UTC.