California earthquakes

M1.9 earthquake 33 km WNW of Three Rocks, California

A magnitude 1.9 earthquake struck 33 km WNW of Three Rocks, California on Mon, Aug 9, 1976, 10:38 AM PDT (17:38 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.0 23 km ENE of Soledad, California. This one was a foreshock.

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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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-08-09 17:38:00 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.599° N, 120.748° 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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
209°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 108 in the 30 days before it.

After

  1. 2.622 km ENE of Soledad, California · 18315 days ago · 10 km deep · 33 km away
  2. 2.735 km ENE of Greenfield, California · 18314 days ago · 10 km deep · 19 km away
  3. 2.621 km NE of Soledad, California · 18314 days ago · 2 km deep · 35 km away
  4. 2.633 km NE of Soledad, California · 18314 days ago · 6 km deep · 24 km away
  5. 1.89 km NE of San Martin, California · 18314 days ago · 9 km deep · 93 km away
  6. 3.433 km WNW of Three Rocks, California · 18314 days ago · 4 km deep · 1 km away
  7. 3.812 km NE of San Martin, California · 18313 days ago · 6 km deep · 94 km away
  8. 2.011 km NE of San Martin, California · 18313 days ago · 3 km deep · 94 km away
  9. 2.530 km ENE of Soledad, California · 18313 days ago · 7 km deep · 26 km away
  10. 2.727 km NE of Soledad, California · 18313 days ago · 7 km deep · 31 km away
  11. 3.412 km NE of San Martin, California · 18313 days ago · 4 km deep · 94 km away
  12. 2.311 km NE of San Martin, California · 18313 days ago · 4 km deep · 94 km away
  13. 3.722 km NE of Soledad, California · 18312 days ago · 4 km deep · 37 km away
  14. 1.91 km S of Tres Pinos, California · 18312 days ago · 7 km deep · 55 km away
  15. 3.322 km NW of Parkfield, California · 18312 days ago · 6 km deep · 63 km away
  16. 1.810 km ESE of Coalinga, California · 18312 days ago · 9 km deep · 72 km away
  17. 3.18 km N of Interlaken, California · 18312 days ago · 10 km deep · 99 km away
  18. 2.427 km NE of Soledad, California · 18312 days ago · 8 km deep · 29 km away
  19. 2.31 km N of Tres Pinos, California · 18311 days ago · 8 km deep · 56 km away
  20. 1.81 km N of Tres Pinos, California · 18311 days ago · 9 km deep · 56 km away
  21. 2.323 km ENE of Soledad, California · 18311 days ago · 5 km deep · 31 km away
  22. 2.00 km SSW of Parkfield, California · 18311 days ago · 11 km deep · 83 km away
  23. 2.418 km SSE of Tres Pinos, California · 18311 days ago · 9 km deep · 46 km away
  24. 2.223 km NE of Soledad, California · 18311 days ago · 10 km deep · 35 km away
  25. 2.911 km NE of San Martin, California · 18311 days ago · 4 km deep · 94 km away
  26. 1.928 km NE of Soledad, California · 18311 days ago · 10 km deep · 29 km away
  27. 2.76 km ENE of Interlaken, California · 18311 days ago · 10 km deep · 92 km away
  28. 2.214 km SSE of Tres Pinos, California · 18311 days ago · 5 km deep · 47 km away
  29. 2.327 km NE of Soledad, California · 18310 days ago · 8 km deep · 31 km away
  30. 1.916 km NW of Parkfield, California · 18310 days ago · 4 km deep · 68 km away
  31. 1.816 km NW of Parkfield, California · 18310 days ago · 3 km deep · 69 km away
  32. 2.112 km S of Tres Pinos, California · 18310 days ago · 2 km deep · 51 km away
  33. 1.95 km SSW of Gilroy, California · 18310 days ago · 3 km deep · 86 km away
  34. 2.226 km ENE of Soledad, California · 18310 days ago · 7 km deep · 29 km away
  35. 3.33 km S of San Juan Bautista, California · 18310 days ago · 6 km deep · 74 km away
  36. 3.120 km NW of Parkfield, California · 18309 days ago · 4 km deep · 65 km away
  37. 2.225 km NE of Soledad, California · 18309 days ago · 7 km deep · 33 km away
  38. 2.021 km NW of Parkfield, California · 18309 days ago · 4 km deep · 64 km away
  39. 3.018 km SSE of Tres Pinos, California · 18309 days ago · 7 km deep · 44 km away
  40. 1.89 km ENE of Tres Pinos, California · 18309 days ago · 5 km deep · 50 km away
  41. 2.13 km SSW of Hollister, California · 18309 days ago · 6 km deep · 65 km away
  42. 1.931 km NE of Soledad, California · 18308 days ago · 8 km deep · 26 km away
  43. 2.028 km NE of Soledad, California · 18308 days ago · 10 km deep · 29 km away
  44. 2.724 km ENE of Soledad, California · 18307 days ago · 4 km deep · 31 km away
  45. 1.79 km NE of Gilroy, California · 18307 days ago · 8 km deep · 85 km away
  46. 1.827 km NE of Greenfield, California · 18306 days ago · 9 km deep · 27 km away
  47. 1.812 km S of Diablo Grande, California · 18306 days ago · 1 km deep · 89 km away
  48. 3.225 km ENE of Greenfield, California · 18306 days ago · 0 km deep · 29 km away
  49. 2.521 km NE of Soledad, California · 18306 days ago · 7 km deep · 36 km away
  50. 2.521 km NE of Soledad, California · 18306 days ago · 6 km deep · 36 km away
  51. 1.86 km NE of San Martin, California · 18305 days ago · 2 km deep · 94 km away
  52. 2.05 km NE of San Martin, California · 18305 days ago · 3 km deep · 94 km away
  53. 2.821 km NNE of Soledad, California · 18304 days ago · 8 km deep · 41 km away
  54. 2.37 km NE of San Juan Bautista, California · 18303 days ago · 5 km deep · 72 km away
  55. 2.722 km ENE of San Lucas, California · 18302 days ago · 6 km deep · 40 km away
  56. 2.725 km ENE of Greenfield, California · 18302 days ago · 3 km deep · 30 km away
  57. 3.54 km NW of Parkfield, California · 18302 days ago · 5 km deep · 79 km away
  58. 1.924 km ENE of Greenfield, California · 18302 days ago · 0 km deep · 29 km away
  59. 2.424 km NE of Greenfield, California · 18302 days ago · 6 km deep · 31 km away
  60. 2.121 km NE of Soledad, California · 18302 days ago · 7 km deep · 35 km away

The first 60 of 188.

Before

  1. 2.317 km SSE of Tres Pinos, California · 18316 days ago · 4 km deep · 45 km away
  2. 2.822 km NE of San Lucas, California · 18316 days ago · 5 km deep · 36 km away
  3. 1.89 km NNW of Hollister, California · 18316 days ago · 4 km deep · 73 km away
  4. 2.533 km WNW of Three Rocks, California · 18316 days ago · 4 km deep · 0 km away
  5. 2.833 km WNW of Three Rocks, California · 18316 days ago · 4 km deep · 1 km away
  6. 2.216 km E of Tres Pinos, California · 18316 days ago · 5 km deep · 42 km away
  7. 1.916 km WSW of Coalinga, California · 18317 days ago · 5 km deep · 61 km away
  8. 1.91 km ENE of Tres Pinos, California · 18317 days ago · 8 km deep · 54 km away
  9. 2.728 km NE of Soledad, California · 18318 days ago · 9 km deep · 30 km away
  10. 2.724 km ENE of San Ardo, California · 18319 days ago · -1 km deep · 59 km away
  11. 2.924 km NE of Greenfield, California · 18319 days ago · 8 km deep · 29 km away
  12. 3.323 km NE of Greenfield, California · 18320 days ago · 7 km deep · 30 km away
  13. 2.016 km NW of Parkfield, California · 18320 days ago · 4 km deep · 69 km away
  14. 2.222 km NE of San Lucas, California · 18320 days ago · 9 km deep · 36 km away
  15. 2.424 km NE of Greenfield, California · 18320 days ago · 3 km deep · 30 km away
  16. 2.322 km ENE of Soledad, California · 18320 days ago · 5 km deep · 32 km away
  17. 1.79 km NW of Parkfield, California · 18321 days ago · 2 km deep · 75 km away
  18. 2.424 km NE of Greenfield, California · 18321 days ago · 4 km deep · 30 km away
  19. 2.67 km ENE of Interlaken, California · 18321 days ago · 3 km deep · 92 km away
  20. 1.611 km ESE of Tres Pinos, California · 18321 days ago · 10 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1030828. Read Fri, Oct 2, 2026, 6:55 AM UTC.