California earthquakes

M1.6 earthquake 21 km NE of Soledad, California

A magnitude 1.6 earthquake struck 21 km NE of Soledad, California on Mon, Oct 17, 1988, 11:59 AM PDT (18:59 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.8 4 km NE 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
1988-10-17 18:59:38 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
36.585° N, 121.183° 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, 0.3 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
49°
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: 174 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.910 km NE of Coalinga, California · 13866 days ago · 7 km deep · 91 km away
  2. 1.510 km NE of Coalinga, California · 13866 days ago · 8 km deep · 90 km away
  3. 2.324 km NE of Greenfield, California · 13866 days ago · 6 km deep · 18 km away
  4. 1.611 km S of Tres Pinos, California · 13866 days ago · 5 km deep · 17 km away
  5. 1.612 km NE of Coalinga, California · 13865 days ago · 14 km deep · 92 km away
  6. 1.53 km SE of San Ardo, California · 13865 days ago · 10 km deep · 71 km away
  7. 1.524 km NE of Greenfield, California · 13864 days ago · 7 km deep · 18 km away
  8. 1.69 km S of Tres Pinos, California · 13864 days ago · 4 km deep · 19 km away
  9. 2.424 km ENE of Soledad, California · 13864 days ago · 3 km deep · 14 km away
  10. 2.48 km ENE of Gilroy, California · 13864 days ago · 5 km deep · 56 km away
  11. 2.123 km ENE of Soledad, California · 13864 days ago · 4 km deep · 14 km away
  12. 1.635 km SE of Tres Pinos, California · 13864 days ago · 0 km deep · 17 km away
  13. 1.923 km NE of Soledad, California · 13862 days ago · 8 km deep · 5 km away
  14. 2.68 km NE of Ridgemark, California · 13862 days ago · 6 km deep · 34 km away
  15. 1.63 km SE of San Ardo, California · 13860 days ago · 9 km deep · 70 km away
  16. 2.110 km S of Tres Pinos, California · 13859 days ago · 4 km deep · 18 km away
  17. 1.834 km NE of Greenfield, California · 13859 days ago · 0 km deep · 21 km away
  18. 2.16 km SSW of San Lucas, California · 13858 days ago · 11 km deep · 58 km away
  19. 1.83 km ESE of Tres Pinos, California · 13858 days ago · 8 km deep · 23 km away
  20. 2.311 km ESE of Cantua Creek, California · 13858 days ago · 17 km deep · 90 km away
  21. 2.323 km ENE of San Lucas, California · 13857 days ago · 7 km deep · 52 km away
  22. 1.77 km NNE of Morgan Hill, California · 13857 days ago · 18 km deep · 77 km away
  23. 2.24 km NNE of Tres Pinos, California · 13857 days ago · 6 km deep · 29 km away
  24. 1.623 km NE of Soledad, California · 13857 days ago · 9 km deep · 6 km away
  25. 1.522 km NE of Soledad, California · 13857 days ago · 7 km deep · 6 km away
  26. 1.618 km NW of Parkfield, California · 13856 days ago · 4 km deep · 83 km away
  27. 1.75 km SE of Tres Pinos, California · 13855 days ago · 8 km deep · 21 km away
  28. 1.5Central California · 13854 days ago · 7 km deep · 0 km away
  29. 1.5Central California · 13854 days ago · 9 km deep · 45 km away
  30. 1.615 km NNW of Coalinga, California · 13854 days ago · 7 km deep · 77 km away
  31. 1.715 km N of Coalinga, California · 13854 days ago · 10 km deep · 81 km away
  32. 1.615 km N of Coalinga, California · 13854 days ago · 8 km deep · 80 km away
  33. 1.728 km SW of South Dos Palos, California · 13852 days ago · 2 km deep · 34 km away
  34. 3.122 km NE of Soledad, California · 13852 days ago · 0 km deep · 4 km away
  35. 1.610 km WSW of Huron, California · 13852 days ago · 8 km deep · 99 km away
  36. 1.821 km NE of Soledad, California · 13852 days ago · 2 km deep · 4 km away
  37. 1.515 km NW of Parkfield, California · 13851 days ago · 3 km deep · 86 km away
  38. 1.615 km NW of Parkfield, California · 13851 days ago · 4 km deep · 86 km away
  39. 1.914 km E of Seven Trees, California · 13851 days ago · 1 km deep · 90 km away
  40. 2.014 km E of Seven Trees, California · 13851 days ago · 3 km deep · 90 km away
  41. 2.222 km NNE of Soledad, California · 13851 days ago · 8 km deep · 4 km away
  42. 1.614 km E of Seven Trees, California · 13851 days ago · 2 km deep · 91 km away
  43. 1.814 km E of Seven Trees, California · 13850 days ago · 3 km deep · 89 km away
  44. 2.235 km W of Lockwood, California · 13850 days ago · 14 km deep · 71 km away
  45. 1.924 km ENE of Soledad, California · 13850 days ago · 2 km deep · 14 km away
  46. 1.611 km SW of Carmel Valley Village, California · 13849 days ago · 9 km deep · 63 km away
  47. 1.624 km ENE of Greenfield, California · 13849 days ago · 2 km deep · 22 km away
  48. 2.014 km E of Seven Trees, California · 13849 days ago · 4 km deep · 89 km away
  49. 1.622 km NNE of Soledad, California · 13849 days ago · 2 km deep · 2 km away
  50. 1.716 km NW of Parkfield, California · 13848 days ago · 4 km deep · 86 km away
  51. 1.712 km N of Morgan Hill, California · 13848 days ago · 4 km deep · 84 km away
  52. 1.634 km NE of King City, California · 13848 days ago · 18 km deep · 31 km away
  53. 1.68 km E of San Martin, California · 13847 days ago · 4 km deep · 64 km away
  54. 1.728 km SSW of South Dos Palos, California · 13846 days ago · 0 km deep · 43 km away
  55. 3.110 km ESE of East Foothills, California · 13845 days ago · 8 km deep · 96 km away
  56. 2.125 km ENE of Greenfield, California · 13845 days ago · 5 km deep · 26 km away
  57. 1.910 km WSW of Huron, California · 13844 days ago · 0 km deep · 99 km away
  58. 2.410 km NW of Parkfield, California · 13843 days ago · 11 km deep · 91 km away
  59. 1.923 km NE of Soledad, California · 13843 days ago · 4 km deep · 5 km away
  60. 1.97 km ENE of Hollister, California · 13842 days ago · 4 km deep · 36 km away

The first 60 of 174.

Before

  1. 1.79 km S of Tres Pinos, California · 13867 days ago · 4 km deep · 19 km away
  2. 1.611 km S of Tres Pinos, California · 13867 days ago · 3 km deep · 17 km away
  3. 2.79 km S of Tres Pinos, California · 13867 days ago · 4 km deep · 19 km away
  4. 1.810 km S of Tres Pinos, California · 13867 days ago · 4 km deep · 19 km away
  5. 3.59 km S of Tres Pinos, California · 13867 days ago · 4 km deep · 19 km away
  6. 2.010 km NE of Coalinga, California · 13867 days ago · 7 km deep · 93 km away
  7. 1.923 km NE of King City, California · 13867 days ago · 7 km deep · 31 km away
  8. 2.03 km W of San Juan Bautista, California · 13867 days ago · 6 km deep · 46 km away
  9. 1.623 km NE of Soledad, California · 13868 days ago · 4 km deep · 3 km away
  10. 3.09 km S of Tres Pinos, California · 13868 days ago · 3 km deep · 20 km away
  11. 2.611 km ESE of Cantua Creek, California · 13868 days ago · 17 km deep · 89 km away
  12. 1.56 km SE of Coalinga, California · 13869 days ago · 11 km deep · 95 km away
  13. 2.216 km SSE of San Joaquin, California · 13870 days ago · 17 km deep · 95 km away
  14. 1.72 km SE of San Ardo, California · 13870 days ago · 13 km deep · 70 km away
  15. 1.712 km E of Cantua Creek, California · 13870 days ago · 18 km deep · 90 km away
  16. 1.920 km WNW of San Simeon, California · 13870 days ago · 7 km deep · 96 km away
  17. 2.012 km SE of Tres Pinos, California · 13871 days ago · 5 km deep · 15 km away
  18. 1.924 km NE of Greenfield, California · 13872 days ago · 7 km deep · 19 km away
  19. 1.97 km WSW of Gilroy, California · 13872 days ago · 4 km deep · 62 km away
  20. 3.57 km ESE of East Foothills, California · 13872 days ago · 6 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc125616. Read Mon, Oct 5, 2026, 8:18 AM UTC.