California earthquakes

M1.9 earthquake 28 km WSW of Three Rocks, California

A magnitude 1.9 earthquake struck 28 km WSW of Three Rocks, California on Sat, Nov 19, 1977, 7:12 PM PST (03:12 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.5 22 km NNE of Soledad, California. This one was a foreshock.

Coalinga 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
1.9 (md), micro
Local time
UTC
1977-11-20 03:12:24 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
36.431° N, 120.696° 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 0.5 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
140°
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: 153 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.522 km NNE of Soledad, California · 17838 days ago · 9 km deep · 50 km away
  2. 2.4Central California · 17838 days ago · 5 km deep · 45 km away
  3. 2.121 km NE of Soledad, California · 17838 days ago · 5 km deep · 45 km away
  4. 1.821 km NE of Soledad, California · 17837 days ago · 6 km deep · 47 km away
  5. 2.521 km NE of Soledad, California · 17837 days ago · 7 km deep · 47 km away
  6. 1.822 km ENE of San Lucas, California · 17836 days ago · 7 km deep · 26 km away
  7. 2.421 km NE of Soledad, California · 17835 days ago · 7 km deep · 47 km away
  8. 1.721 km NE of Soledad, California · 17835 days ago · 6 km deep · 47 km away
  9. 1.99 km WSW of Ridgemark, California · 17834 days ago · 7 km deep · 77 km away
  10. 2.423 km NW of Parkfield, California · 17834 days ago · 9 km deep · 43 km away
  11. 2.324 km WSW of Coalinga, California · 17834 days ago · 7 km deep · 41 km away
  12. 1.530 km SE of Tres Pinos, California · 17833 days ago · 6 km deep · 39 km away
  13. 1.824 km WSW of Coalinga, California · 17833 days ago · 6 km deep · 41 km away
  14. 1.821 km NE of Soledad, California · 17833 days ago · 5 km deep · 41 km away
  15. 1.523 km ENE of Soledad, California · 17832 days ago · 4 km deep · 35 km away
  16. 1.629 km ENE of Soledad, California · 17831 days ago · 9 km deep · 35 km away
  17. 2.79 km E of Gilroy, California · 17830 days ago · 9 km deep · 94 km away
  18. 2.29 km E of Gilroy, California · 17830 days ago · 8 km deep · 94 km away
  19. 1.523 km ENE of Soledad, California · 17830 days ago · 5 km deep · 36 km away
  20. 1.923 km NE of King City, California · 17829 days ago · 3 km deep · 22 km away
  21. 1.517 km NW of Parkfield, California · 17829 days ago · 6 km deep · 48 km away
  22. 2.724 km NE of Greenfield, California · 17829 days ago · 1 km deep · 31 km away
  23. 3.76 km NW of Parkfield, California · 17829 days ago · 11 km deep · 58 km away
  24. 3.06 km NW of Parkfield, California · 17829 days ago · 10 km deep · 58 km away
  25. 2.16 km NW of Parkfield, California · 17828 days ago · 10 km deep · 58 km away
  26. 2.022 km NE of Soledad, California · 17828 days ago · 10 km deep · 46 km away
  27. 2.72 km S of Bradley, California · 17828 days ago · 7 km deep · 67 km away
  28. 1.53 km SSE of Bradley, California · 17828 days ago · 6 km deep · 66 km away
  29. 1.917 km SSE of Tres Pinos, California · 17827 days ago · 10 km deep · 55 km away
  30. 1.622 km SSW of Los Banos, California · 17826 days ago · 3 km deep · 56 km away
  31. 1.912 km NE of Cambria, California · 17825 days ago · 1 km deep · 92 km away
  32. 1.918 km NW of Parkfield, California · 17825 days ago · 4 km deep · 48 km away
  33. 1.69 km W of Oak Shores, California · 17825 days ago · 7 km deep · 82 km away
  34. 2.219 km NW of Parkfield, California · 17825 days ago · 4 km deep · 46 km away
  35. 2.022 km NE of San Ardo, California · 17824 days ago · 6 km deep · 29 km away
  36. 1.821 km NNE of Soledad, California · 17824 days ago · 9 km deep · 49 km away
  37. 1.621 km NE of Soledad, California · 17824 days ago · 6 km deep · 47 km away
  38. 1.62 km WSW of Ridgemark, California · 17823 days ago · 6 km deep · 74 km away
  39. 2.026 km NE of Greenfield, California · 17822 days ago · 6 km deep · 29 km away
  40. 1.84 km NE of Tres Pinos, California · 17822 days ago · 10 km deep · 68 km away
  41. 2.421 km NE of Soledad, California · 17822 days ago · 6 km deep · 47 km away
  42. 1.710 km SW of Ridgemark, California · 17821 days ago · 9 km deep · 77 km away
  43. 3.03 km WSW of San Juan Bautista, California · 17821 days ago · 7 km deep · 90 km away
  44. 2.022 km NE of Soledad, California · 17819 days ago · 0 km deep · 41 km away
  45. 1.620 km S of Avenal, California · 17819 days ago · 22 km deep · 83 km away
  46. 2.322 km NE of Soledad, California · 17819 days ago · 9 km deep · 41 km away
  47. 1.725 km W of Coalinga, California · 17818 days ago · 6 km deep · 28 km away
  48. 1.628 km NE of Soledad, California · 17817 days ago · 6 km deep · 41 km away
  49. 1.95 km NNE of San Juan Bautista, California · 17817 days ago · 6 km deep · 89 km away
  50. 2.02 km NNW of Hollister, California · 17817 days ago · 7 km deep · 81 km away
  51. 2.55 km SSW of Gilroy, California · 17816 days ago · 7 km deep · 99 km away
  52. 2.222 km NE of San Lucas, California · 17816 days ago · 7 km deep · 23 km away
  53. 1.923 km NW of Parkfield, California · 17815 days ago · 7 km deep · 43 km away
  54. 2.324 km NE of Greenfield, California · 17815 days ago · 6 km deep · 32 km away
  55. 1.923 km ENE of King City, California · 17815 days ago · 4 km deep · 22 km away
  56. 1.84 km SSW of Gilroy, California · 17814 days ago · 6 km deep · 99 km away
  57. 2.420 km NW of Parkfield, California · 17814 days ago · 8 km deep · 45 km away
  58. 1.75 km SSW of Tres Pinos, California · 17814 days ago · 7 km deep · 67 km away
  59. 2.222 km ENE of San Ardo, California · 17813 days ago · 3 km deep · 36 km away
  60. 4.221 km NNE of Soledad, California · 17813 days ago · 8 km deep · 48 km away

The first 60 of 153.

Before

  1. 2.021 km NE of Soledad, California · 17839 days ago · 6 km deep · 47 km away
  2. 2.627 km E of Tres Pinos, California · 17840 days ago · 6 km deep · 46 km away
  3. 1.925 km ENE of Greenfield, California · 17840 days ago · 1 km deep · 28 km away
  4. 2.011 km SSW of Oak Shores, California · 17840 days ago · 5 km deep · 89 km away
  5. 1.94 km SE of Tres Pinos, California · 17840 days ago · 8 km deep · 64 km away
  6. 1.79 km SSW of Oak Shores, California · 17840 days ago · 0 km deep · 87 km away
  7. 3.810 km SW of Oak Shores, California · 17840 days ago · 8 km deep · 88 km away
  8. 1.624 km NE of Soledad, California · 17841 days ago · 11 km deep · 42 km away
  9. 1.921 km NE of Soledad, California · 17841 days ago · 5 km deep · 47 km away
  10. 1.621 km NE of Soledad, California · 17841 days ago · 5 km deep · 46 km away
  11. 2.021 km NE of San Ardo, California · 17841 days ago · 3 km deep · 29 km away
  12. 1.51 km E of Tres Pinos, California · 17842 days ago · 8 km deep · 67 km away
  13. 1.63 km S of San Juan Bautista, California · 17842 days ago · 7 km deep · 86 km away
  14. 3.010 km ENE of San Simeon, California · 17843 days ago · 4 km deep · 90 km away
  15. 1.68 km SSW of Tres Pinos, California · 17843 days ago · 3 km deep · 67 km away
  16. 1.62 km NE of Ridgemark, California · 17844 days ago · 6 km deep · 73 km away
  17. 1.525 km ENE of Greenfield, California · 17844 days ago · -1 km deep · 28 km away
  18. 2.37 km WSW of Coalinga, California · 17846 days ago · 7 km deep · 42 km away
  19. 2.210 km NNE of San Juan Bautista, California · 17846 days ago · 0 km deep · 88 km away
  20. 2.725 km ENE of Greenfield, California · 17847 days ago · 7 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1037778. Read Tue, Sep 22, 2026, 9:16 AM UTC.