California earthquakes

M1.6 earthquake 18 km NW of Parkfield, California

A magnitude 1.6 earthquake struck 18 km NW of Parkfield, California on Sat, Sep 10, 1977, 9:00 AM PDT (16:00 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-09-10 16:00:06 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.020° N, 120.582° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
70°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 2.124 km WSW of Coalinga, California · 17922 days ago · 5 km deep · 6 km away
  2. 1.915 km NW of Parkfield, California · 17922 days ago · 6 km deep · 3 km away
  3. 1.612 km SE of Coalinga, California · 17922 days ago · 8 km deep · 30 km away
  4. 2.523 km ENE of San Lucas, California · 17920 days ago · 8 km deep · 28 km away
  5. 1.821 km ENE of San Lucas, California · 17920 days ago · 7 km deep · 28 km away
  6. 3.122 km NE of Soledad, California · 17920 days ago · 3 km deep · 83 km away
  7. 2.320 km SSE of Tres Pinos, California · 17917 days ago · 5 km deep · 88 km away
  8. 2.312 km ESE of Coalinga, California · 17915 days ago · 10 km deep · 31 km away
  9. 1.723 km ENE of Soledad, California · 17914 days ago · 5 km deep · 71 km away
  10. 2.022 km NE of San Lucas, California · 17914 days ago · 6 km deep · 38 km away
  11. 2.422 km ENE of San Lucas, California · 17912 days ago · 9 km deep · 28 km away
  12. 1.620 km SSE of Tres Pinos, California · 17911 days ago · 5 km deep · 88 km away
  13. 1.73 km SSE of San Ardo, California · 17911 days ago · 12 km deep · 27 km away
  14. 2.013 km S of Tres Pinos, California · 17910 days ago · 3 km deep · 97 km away
  15. 2.821 km NE of Soledad, California · 17910 days ago · 5 km deep · 82 km away
  16. 1.99 km SSW of San Lucas, California · 17910 days ago · 12 km deep · 42 km away
  17. 1.6Central California · 17910 days ago · 6 km deep · 36 km away
  18. 1.521 km NE of Soledad, California · 17909 days ago · 8 km deep · 76 km away
  19. 2.323 km ENE of San Lucas, California · 17909 days ago · 5 km deep · 28 km away
  20. 1.522 km ENE of San Lucas, California · 17909 days ago · 7 km deep · 28 km away
  21. 1.7Central California · 17909 days ago · 12 km deep · 27 km away
  22. 2.527 km NE of Soledad, California · 17908 days ago · 7 km deep · 79 km away
  23. 2.324 km ENE of Greenfield, California · 17908 days ago · 3 km deep · 61 km away
  24. 2.921 km NE of Soledad, California · 17908 days ago · 5 km deep · 83 km away
  25. 2.821 km NE of Soledad, California · 17908 days ago · 5 km deep · 83 km away
  26. 2.033 km SW of South Dos Palos, California · 17907 days ago · 2 km deep · 85 km away
  27. 2.430 km NE of Soledad, California · 17906 days ago · 7 km deep · 76 km away
  28. 1.713 km S of Tres Pinos, California · 17906 days ago · 3 km deep · 97 km away
  29. 1.724 km NE of Greenfield, California · 17906 days ago · 5 km deep · 64 km away
  30. 1.620 km NW of Parkfield, California · 17905 days ago · 4 km deep · 1 km away
  31. 2.119 km N of San Simeon, California · 17904 days ago · 13 km deep · 62 km away
  32. 1.630 km ENE of Soledad, California · 17903 days ago · 7 km deep · 74 km away
  33. 2.630 km ENE of Soledad, California · 17903 days ago · 7 km deep · 74 km away
  34. 2.330 km ENE of Soledad, California · 17903 days ago · 7 km deep · 74 km away
  35. 2.530 km ENE of Soledad, California · 17902 days ago · 7 km deep · 74 km away
  36. 2.16 km S of Three Rocks, California · 17901 days ago · 9 km deep · 51 km away
  37. 1.78 km SSE of San Lucas, California · 17901 days ago · 14 km deep · 37 km away
  38. 1.8Central California · 17900 days ago · 10 km deep · 16 km away
  39. 1.721 km NW of Parkfield, California · 17899 days ago · 2 km deep · 3 km away
  40. 1.911 km S of Coalinga, California · 17899 days ago · 5 km deep · 19 km away
  41. 1.724 km NE of Greenfield, California · 17899 days ago · 6 km deep · 63 km away
  42. 2.521 km NNE of Soledad, California · 17896 days ago · 8 km deep · 84 km away
  43. 2.227 km ENE of Soledad, California · 17896 days ago · 8 km deep · 74 km away
  44. 1.718 km NW of Parkfield, California · 17896 days ago · 4 km deep · 0 km away
  45. 2.111 km WSW of Oak Shores, California · 17894 days ago · 6 km deep · 56 km away
  46. 2.024 km ENE of Soledad, California · 17894 days ago · 2 km deep · 68 km away
  47. 2.711 km WSW of Oak Shores, California · 17894 days ago · 8 km deep · 57 km away
  48. 2.318 km WSW of South Dos Palos, California · 17892 days ago · 3 km deep · 99 km away
  49. 2.524 km NE of Greenfield, California · 17889 days ago · 0 km deep · 62 km away
  50. 1.920 km NW of Parkfield, California · 17888 days ago · 4 km deep · 2 km away
  51. 1.723 km NW of Parkfield, California · 17887 days ago · 6 km deep · 5 km away
  52. 2.421 km NE of Soledad, California · 17887 days ago · 2 km deep · 78 km away
  53. 1.822 km NNE of San Ardo, California · 17886 days ago · 3 km deep · 26 km away
  54. 1.821 km NE of Soledad, California · 17886 days ago · 3 km deep · 80 km away
  55. 2.730 km NE of Soledad, California · 17886 days ago · 7 km deep · 75 km away
  56. 1.6Central California · 17885 days ago · 6 km deep · 93 km away
  57. 1.822 km SSE of Tres Pinos, California · 17885 days ago · 2 km deep · 86 km away
  58. 1.725 km NNE of King City, California · 17885 days ago · 6 km deep · 56 km away
  59. 1.923 km NE of Greenfield, California · 17885 days ago · 6 km deep · 66 km away
  60. 1.721 km NNE of Soledad, California · 17885 days ago · 7 km deep · 84 km away

The first 60 of 136.

Before

  1. 3.022 km ENE of San Lucas, California · 17922 days ago · 6 km deep · 32 km away
  2. 1.621 km NE of Soledad, California · 17925 days ago · 2 km deep · 83 km away
  3. 2.121 km NE of Soledad, California · 17925 days ago · 7 km deep · 75 km away
  4. 2.224 km NE of Greenfield, California · 17925 days ago · 1 km deep · 63 km away
  5. 2.321 km NE of Soledad, California · 17927 days ago · 7 km deep · 82 km away
  6. 1.816 km NW of Parkfield, California · 17927 days ago · 3 km deep · 3 km away
  7. 1.615 km NW of Parkfield, California · 17927 days ago · 5 km deep · 3 km away
  8. 3.2Central California · 17927 days ago · 4 km deep · 3 km away
  9. 1.532 km ENE of Soledad, California · 17928 days ago · 9 km deep · 74 km away
  10. 2.930 km NE of Soledad, California · 17928 days ago · 7 km deep · 75 km away
  11. 1.917 km SSE of Tres Pinos, California · 17929 days ago · 5 km deep · 92 km away
  12. 1.622 km ENE of Soledad, California · 17929 days ago · 3 km deep · 75 km away
  13. 2.124 km NE of Greenfield, California · 17930 days ago · 5 km deep · 65 km away
  14. 2.718 km SSE of Tres Pinos, California · 17931 days ago · 10 km deep · 91 km away
  15. 1.724 km NE of Greenfield, California · 17931 days ago · 6 km deep · 66 km away
  16. 2.024 km ENE of Greenfield, California · 17932 days ago · 5 km deep · 59 km away
  17. 2.915 km SSE of Tres Pinos, California · 17932 days ago · 5 km deep · 94 km away
  18. 2.421 km NE of Soledad, California · 17932 days ago · 2 km deep · 80 km away
  19. 2.715 km SSE of Tres Pinos, California · 17932 days ago · 5 km deep · 94 km away
  20. 2.217 km SSE of Tres Pinos, California · 17933 days ago · 4 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1036734. Read Mon, Oct 5, 2026, 1:42 PM UTC.