California earthquakes

M1.7 earthquake 21 km NE of Soledad, California

A magnitude 1.7 earthquake struck 21 km NE of Soledad, California on Fri, Dec 28, 1990, 2:38 AM PST (10:38 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.7 33 km SE of Big Sur, 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-12-28 10:38:41 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.557° N, 121.153° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
47°
Stations used
36

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 74 in the 30 days before it.

After

  1. 1.911 km S of Tres Pinos, California · 13064 days ago · 4 km deep · 20 km away
  2. 2.24 km ESE of Interlaken, California · 13063 days ago · 10 km deep · 63 km away
  3. 1.624 km NE of Greenfield, California · 13063 days ago · 6 km deep · 13 km away
  4. 1.624 km NE of Soledad, California · 13062 days ago · 9 km deep · 3 km away
  5. 1.612 km N of Coalinga, California · 13062 days ago · 8 km deep · 77 km away
  6. 1.84 km SE of Aromas, California · 13062 days ago · 7 km deep · 52 km away
  7. 1.64 km SE of Aromas, California · 13062 days ago · 7 km deep · 52 km away
  8. 1.85 km SE of Aromas, California · 13062 days ago · 7 km deep · 52 km away
  9. 1.94 km WNW of San Juan Bautista, California · 13062 days ago · 5 km deep · 51 km away
  10. 2.213 km N of Morgan Hill, California · 13062 days ago · 4 km deep · 89 km away
  11. 3.13 km W of San Juan Bautista, California · 13061 days ago · 5 km deep · 50 km away
  12. 2.112 km ESE of East Foothills, California · 13060 days ago · 6 km deep · 98 km away
  13. 1.94 km ESE of Aromas, California · 13060 days ago · 7 km deep · 52 km away
  14. 1.69 km SSW of Tres Pinos, California · 13060 days ago · 3 km deep · 24 km away
  15. 2.024 km ENE of Soledad, California · 13059 days ago · 4 km deep · 10 km away
  16. 2.012 km NNE of Coalinga, California · 13059 days ago · 10 km deep · 84 km away
  17. 2.312 km S of Tres Pinos, California · 13059 days ago · 5 km deep · 19 km away
  18. 2.17 km W of Volta, California · 13059 days ago · 7 km deep · 62 km away
  19. 2.74 km ESE of Aromas, California · 13058 days ago · 6 km deep · 53 km away
  20. 2.616 km NW of Parkfield, California · 13057 days ago · 4 km deep · 81 km away
  21. 1.95 km NNW of Aromas, California · 13057 days ago · 10 km deep · 62 km away
  22. 1.67 km NNW of Day Valley, California · 13057 days ago · 12 km deep · 89 km away
  23. 2.53 km ESE of Aromas, California · 13056 days ago · 6 km deep · 54 km away
  24. 1.67 km NE of Hollister, California · 13056 days ago · 6 km deep · 41 km away
  25. 2.24 km ESE of Aromas, California · 13055 days ago · 6 km deep · 52 km away
  26. 1.615 km NW of Coalinga, California · 13054 days ago · 7 km deep · 70 km away
  27. 1.53 km E of Corralitos, California · 13053 days ago · 14 km deep · 73 km away
  28. 1.924 km ENE of San Ardo, California · 13052 days ago · 9 km deep · 64 km away
  29. 1.621 km NE of Soledad, California · 13052 days ago · 7 km deep · 0 km away
  30. 3.11 km WNW of Parkfield, California · 13051 days ago · 6 km deep · 96 km away
  31. 1.913 km N of Morgan Hill, California · 13050 days ago · 3 km deep · 88 km away
  32. 1.85 km ESE of Interlaken, California · 13049 days ago · 11 km deep · 63 km away
  33. 1.66 km NE of Ridgemark, California · 13048 days ago · 6 km deep · 35 km away
  34. 1.821 km SE of Big Sur, California · 13048 days ago · 19 km deep · 61 km away
  35. 1.513 km N of Morgan Hill, California · 13048 days ago · 3 km deep · 88 km away
  36. 1.911 km S of Tres Pinos, California · 13047 days ago · 4 km deep · 20 km away
  37. 1.722 km ENE of Soledad, California · 13047 days ago · 4 km deep · 7 km away
  38. 1.715 km SSE of Tres Pinos, California · 13047 days ago · 8 km deep · 15 km away
  39. 3.64 km N of Coalinga, California · 13047 days ago · 12 km deep · 82 km away
  40. 1.93 km ESE of Aromas, California · 13047 days ago · 7 km deep · 54 km away
  41. 1.63 km ESE of Aromas, California · 13047 days ago · 7 km deep · 54 km away
  42. 1.93 km ESE of Aromas, California · 13047 days ago · 7 km deep · 54 km away
  43. 2.08 km SE of Cantua Creek, California · 13046 days ago · 11 km deep · 82 km away
  44. 2.022 km ENE of Soledad, California · 13046 days ago · 2 km deep · 4 km away
  45. 1.813 km W of Lockwood, California · 13045 days ago · 8 km deep · 70 km away
  46. 1.815 km SE of Tres Pinos, California · 13045 days ago · 6 km deep · 17 km away
  47. 2.84 km ESE of Interlaken, California · 13045 days ago · 11 km deep · 63 km away
  48. 1.52 km WNW of San Juan Bautista, California · 13044 days ago · 6 km deep · 49 km away
  49. 1.911 km E of Coalinga, California · 13043 days ago · 8 km deep · 95 km away
  50. 2.126 km NE of King City, California · 13042 days ago · 6 km deep · 27 km away
  51. 1.923 km NE of King City, California · 13041 days ago · 5 km deep · 27 km away
  52. 1.813 km WNW of Oak Shores, California · 13041 days ago · 5 km deep · 85 km away
  53. 2.224 km NE of Greenfield, California · 13041 days ago · 7 km deep · 14 km away
  54. 1.89 km SW of Huron, California · 13041 days ago · 7 km deep · 99 km away
  55. 2.715 km SSE of Tres Pinos, California · 13040 days ago · 5 km deep · 15 km away
  56. 2.923 km ENE of San Lucas, California · 13040 days ago · 8 km deep · 48 km away
  57. 1.521 km NE of Soledad, California · 13039 days ago · 4 km deep · 1 km away
  58. 1.721 km NE of Soledad, California · 13038 days ago · 7 km deep · 0 km away
  59. 1.721 km NE of Soledad, California · 13038 days ago · 2 km deep · 1 km away
  60. 1.67 km ENE of Coalinga, California · 13038 days ago · 9 km deep · 89 km away

The first 60 of 164.

Before

  1. 1.524 km NE of Greenfield, California · 13065 days ago · 5 km deep · 13 km away
  2. 2.217 km NW of Parkfield, California · 13065 days ago · 4 km deep · 80 km away
  3. 2.518 km NW of Parkfield, California · 13065 days ago · 4 km deep · 80 km away
  4. 2.218 km NW of Parkfield, California · 13065 days ago · 4 km deep · 80 km away
  5. 2.65 km SE of Aromas, California · 13065 days ago · 7 km deep · 52 km away
  6. 2.311 km S of Tres Pinos, California · 13065 days ago · 4 km deep · 20 km away
  7. 1.89 km E of San Martin, California · 13067 days ago · 8 km deep · 67 km away
  8. 1.613 km N of Morgan Hill, California · 13068 days ago · 3 km deep · 88 km away
  9. 1.712 km N of Coalinga, California · 13069 days ago · 8 km deep · 79 km away
  10. 2.12 km S of San Juan Bautista, California · 13069 days ago · 4 km deep · 46 km away
  11. 3.02 km SW of San Juan Bautista, California · 13069 days ago · 5 km deep · 47 km away
  12. 2.82 km SSW of San Juan Bautista, California · 13069 days ago · 4 km deep · 46 km away
  13. 1.934 km WNW of San Simeon, California · 13070 days ago · 5 km deep · 94 km away
  14. 1.622 km NE of San Lucas, California · 13070 days ago · 7 km deep · 42 km away
  15. 2.813 km N of Morgan Hill, California · 13071 days ago · 4 km deep · 88 km away
  16. 1.711 km SW of Huron, California · 13071 days ago · 6 km deep · 100 km away
  17. 2.111 km S of Tres Pinos, California · 13072 days ago · 4 km deep · 20 km away
  18. 1.512 km S of Tres Pinos, California · 13072 days ago · 2 km deep · 19 km away
  19. 1.915 km SSE of Tres Pinos, California · 13072 days ago · 5 km deep · 15 km away
  20. 2.811 km S of Tres Pinos, California · 13072 days ago · 4 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc203717. Read Sun, Oct 4, 2026, 4:30 AM UTC.