California earthquakes

M2.5 earthquake 21 km NE of Soledad, California

A magnitude 2.5 earthquake struck 21 km NE of Soledad, California on Sun, Nov 20, 1977, 8:11 PM PST (04:11 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 4 km N of Morgan Hill, 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
2.5 (md), micro
Local time
UTC
1977-11-21 04:11:18 UTC
Depth
6.5 km (4.1 mi), shallow
Epicenter
36.584° N, 121.185° 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, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
39°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.86 km WSW of Gilroy, California · 17837 days ago · 3 km deep · 60 km away
  2. 1.822 km ENE of San Lucas, California · 17836 days ago · 7 km deep · 55 km away
  3. 2.421 km NE of Soledad, California · 17835 days ago · 7 km deep · 0 km away
  4. 1.721 km NE of Soledad, California · 17835 days ago · 6 km deep · 0 km away
  5. 1.6Northern California · 17835 days ago · 9 km deep · 61 km away
  6. 1.99 km WSW of Ridgemark, California · 17835 days ago · 7 km deep · 31 km away
  7. 2.423 km NW of Parkfield, California · 17834 days ago · 9 km deep · 79 km away
  8. 2.324 km WSW of Coalinga, California · 17834 days ago · 7 km deep · 77 km away
  9. 1.530 km SE of Tres Pinos, California · 17834 days ago · 6 km deep · 12 km away
  10. 1.824 km WSW of Coalinga, California · 17833 days ago · 6 km deep · 77 km away
  11. 1.821 km NE of Soledad, California · 17833 days ago · 5 km deep · 7 km away
  12. 3.34 km N of Morgan Hill, California · 17832 days ago · 7 km deep · 78 km away
  13. 1.523 km ENE of Soledad, California · 17832 days ago · 4 km deep · 14 km away
  14. 2.54 km N of Morgan Hill, California · 17832 days ago · 7 km deep · 78 km away
  15. 1.629 km ENE of Soledad, California · 17831 days ago · 9 km deep · 12 km away
  16. 1.912 km ESE of East Foothills, California · 17830 days ago · 6 km deep · 94 km away
  17. 2.79 km E of Gilroy, California · 17830 days ago · 9 km deep · 53 km away
  18. 2.29 km E of Gilroy, California · 17830 days ago · 8 km deep · 53 km away
  19. 1.69 km NE of Corralitos, California · 17830 days ago · 11 km deep · 73 km away
  20. 1.523 km ENE of Soledad, California · 17830 days ago · 5 km deep · 13 km away
  21. 1.923 km NE of King City, California · 17829 days ago · 3 km deep · 36 km away
  22. 1.517 km NW of Parkfield, California · 17829 days ago · 6 km deep · 84 km away
  23. 2.724 km NE of Greenfield, California · 17829 days ago · 1 km deep · 18 km away
  24. 3.76 km NW of Parkfield, California · 17829 days ago · 11 km deep · 95 km away
  25. 3.06 km NW of Parkfield, California · 17829 days ago · 10 km deep · 95 km away
  26. 2.16 km NW of Parkfield, California · 17828 days ago · 10 km deep · 95 km away
  27. 2.022 km NE of Soledad, California · 17828 days ago · 10 km deep · 2 km away
  28. 2.72 km S of Bradley, California · 17828 days ago · 7 km deep · 90 km away
  29. 1.53 km SSE of Bradley, California · 17828 days ago · 6 km deep · 90 km away
  30. 1.917 km SSE of Tres Pinos, California · 17827 days ago · 10 km deep · 9 km away
  31. 1.622 km SSW of Los Banos, California · 17826 days ago · 3 km deep · 38 km away
  32. 2.08 km ESE of East Foothills, California · 17826 days ago · 8 km deep · 99 km away
  33. 2.27 km ENE of Morgan Hill, California · 17825 days ago · 4 km deep · 71 km away
  34. 1.918 km NW of Parkfield, California · 17825 days ago · 4 km deep · 84 km away
  35. 1.69 km W of Oak Shores, California · 17825 days ago · 7 km deep · 92 km away
  36. 2.219 km NW of Parkfield, California · 17825 days ago · 4 km deep · 83 km away
  37. 2.022 km NE of San Ardo, California · 17824 days ago · 6 km deep · 60 km away
  38. 1.821 km NNE of Soledad, California · 17824 days ago · 9 km deep · 2 km away
  39. 1.621 km NE of Soledad, California · 17824 days ago · 6 km deep · 0 km away
  40. 1.78 km W of Gilroy, California · 17824 days ago · 4 km deep · 63 km away
  41. 1.62 km WSW of Ridgemark, California · 17823 days ago · 6 km deep · 30 km away
  42. 2.026 km NE of Greenfield, California · 17822 days ago · 6 km deep · 20 km away
  43. 1.84 km NE of Tres Pinos, California · 17822 days ago · 10 km deep · 28 km away
  44. 2.421 km NE of Soledad, California · 17822 days ago · 6 km deep · 0 km away
  45. 2.36 km WSW of Gilroy, California · 17821 days ago · 3 km deep · 61 km away
  46. 1.710 km SW of Ridgemark, California · 17821 days ago · 9 km deep · 31 km away
  47. 3.03 km WSW of San Juan Bautista, California · 17821 days ago · 7 km deep · 45 km away
  48. 1.98 km NE of Gilroy, California · 17820 days ago · 6 km deep · 61 km away
  49. 2.022 km NE of Soledad, California · 17819 days ago · 0 km deep · 6 km away
  50. 1.89 km ENE of San Martin, California · 17819 days ago · 6 km deep · 65 km away
  51. 1.613 km N of Morgan Hill, California · 17819 days ago · 5 km deep · 84 km away
  52. 2.322 km NE of Soledad, California · 17819 days ago · 9 km deep · 6 km away
  53. 1.53 km E of Interlaken, California · 17819 days ago · 9 km deep · 61 km away
  54. 1.725 km W of Coalinga, California · 17818 days ago · 6 km deep · 66 km away
  55. 2.512 km ESE of East Foothills, California · 17817 days ago · 7 km deep · 94 km away
  56. 1.628 km NE of Soledad, California · 17817 days ago · 6 km deep · 8 km away
  57. 1.95 km NNE of San Juan Bautista, California · 17817 days ago · 6 km deep · 45 km away
  58. 2.02 km NNW of Hollister, California · 17817 days ago · 7 km deep · 38 km away
  59. 2.55 km SSW of Gilroy, California · 17817 days ago · 7 km deep · 55 km away
  60. 3.612 km ESE of East Foothills, California · 17816 days ago · 7 km deep · 94 km away

The first 60 of 166.

Before

  1. 1.821 km NE of Soledad, California · 17837 days ago · 6 km deep · 0 km away
  2. 2.121 km NE of Soledad, California · 17838 days ago · 5 km deep · 2 km away
  3. 2.4Central California · 17838 days ago · 5 km deep · 2 km away
  4. 2.522 km NNE of Soledad, California · 17838 days ago · 9 km deep · 3 km away
  5. 1.928 km WSW of Three Rocks, California · 17838 days ago · 11 km deep · 47 km away
  6. 2.06 km WSW of Gilroy, California · 17838 days ago · 3 km deep · 60 km away
  7. 2.021 km NE of Soledad, California · 17839 days ago · 6 km deep · 0 km away
  8. 2.627 km E of Tres Pinos, California · 17840 days ago · 6 km deep · 25 km away
  9. 1.925 km ENE of Greenfield, California · 17840 days ago · 1 km deep · 22 km away
  10. 1.94 km SE of Tres Pinos, California · 17840 days ago · 8 km deep · 22 km away
  11. 1.79 km SSW of Oak Shores, California · 17840 days ago · 0 km deep · 100 km away
  12. 3.810 km SW of Oak Shores, California · 17840 days ago · 8 km deep · 100 km away
  13. 1.624 km NE of Soledad, California · 17841 days ago · 11 km deep · 5 km away
  14. 1.921 km NE of Soledad, California · 17841 days ago · 5 km deep · 0 km away
  15. 1.621 km NE of Soledad, California · 17841 days ago · 5 km deep · 1 km away
  16. 2.021 km NE of San Ardo, California · 17841 days ago · 3 km deep · 59 km away
  17. 2.216 km E of Seven Trees, California · 17841 days ago · 8 km deep · 88 km away
  18. 1.51 km E of Tres Pinos, California · 17842 days ago · 8 km deep · 25 km away
  19. 1.63 km S of San Juan Bautista, California · 17842 days ago · 7 km deep · 40 km away
  20. 1.68 km SSW of Tres Pinos, California · 17843 days ago · 3 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1037791. Read Tue, Sep 22, 2026, 11:00 AM UTC.