California earthquakes

M1.6 earthquake 21 km SSW of Three Rocks, California

A magnitude 1.6 earthquake struck 21 km SSW of Three Rocks, California on Thu, Apr 5, 1979, 11:11 PM PST (07:11 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 42km SW of Mendota, CA. 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
1979-04-06 07:11:15 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.322° N, 120.482° 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 70.0 km horizontally, 80.1 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
332°, poorly surrounded by stations
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: 127 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 1.623 km ENE of Soledad, California · 17345 days ago · 1 km deep · 59 km away
  2. 2.410 km S of Tres Pinos, California · 17344 days ago · 4 km deep · 87 km away
  3. 2.532 km W of Three Rocks, California · 17342 days ago · 10 km deep · 31 km away
  4. 2.131 km ENE of Soledad, California · 17341 days ago · 9 km deep · 55 km away
  5. 2.722 km WNW of Three Rocks, California · 17341 days ago · 8 km deep · 34 km away
  6. 2.27 km SSE of Coalinga, California · 17341 days ago · 4 km deep · 30 km away
  7. 1.722 km WNW of Three Rocks, California · 17341 days ago · 5 km deep · 33 km away
  8. 1.89 km S of Coalinga, California · 17341 days ago · 9 km deep · 32 km away
  9. 2.021 km NE of Soledad, California · 17340 days ago · 6 km deep · 64 km away
  10. 1.625 km NE of Greenfield, California · 17339 days ago · 1 km deep · 49 km away
  11. 1.723 km ENE of Soledad, California · 17339 days ago · 2 km deep · 59 km away
  12. 2.08 km SW of Tres Pinos, California · 17338 days ago · 2 km deep · 92 km away
  13. 1.924 km NE of King City, California · 17338 days ago · 1 km deep · 43 km away
  14. 1.723 km NE of Soledad, California · 17337 days ago · 8 km deep · 64 km away
  15. 2.222 km NE of Soledad, California · 17337 days ago · 2 km deep · 62 km away
  16. 1.812 km SW of Lake Nacimiento, California · 17337 days ago · 4 km deep · 87 km away
  17. 1.522 km NE of San Lucas, California · 17334 days ago · 5 km deep · 35 km away
  18. 1.622 km ENE of San Lucas, California · 17333 days ago · 9 km deep · 31 km away
  19. 1.932 km WNW of Three Rocks, California · 17333 days ago · 12 km deep · 38 km away
  20. 2.412 km ESE of Coalinga, California · 17333 days ago · 9 km deep · 33 km away
  21. 2.111 km ESE of Coalinga, California · 17333 days ago · 9 km deep · 33 km away
  22. 2.822 km NE of Soledad, California · 17332 days ago · 2 km deep · 63 km away
  23. 1.711 km S of Tres Pinos, California · 17332 days ago · 5 km deep · 85 km away
  24. 1.922 km NE of Soledad, California · 17331 days ago · 2 km deep · 63 km away
  25. 3.542km SW of Mendota, CA · 17331 days ago · 6 km deep · 33 km away
  26. 2.826 km WNW of Three Rocks, California · 17331 days ago · 3 km deep · 37 km away
  27. 2.1Central California · 17331 days ago · 4 km deep · 92 km away
  28. 1.99 km NW of Parkfield, California · 17331 days ago · 8 km deep · 41 km away
  29. 2.022 km NE of Soledad, California · 17330 days ago · 4 km deep · 63 km away
  30. 1.85 km SSW of Tres Pinos, California · 17330 days ago · 4 km deep · 91 km away
  31. 2.515 km SSW of Lockwood, California · 17330 days ago · 13 km deep · 83 km away
  32. 2.224 km NE of Greenfield, California · 17329 days ago · 4 km deep · 54 km away
  33. 1.516 km NW of Parkfield, California · 17329 days ago · 3 km deep · 37 km away
  34. 3.1Central California · 17329 days ago · 8 km deep · 99 km away
  35. 1.54 km S of Ridgemark, California · 17329 days ago · 3 km deep · 94 km away
  36. 1.83 km S of Tres Pinos, California · 17327 days ago · 5 km deep · 90 km away
  37. 2.521 km NE of Soledad, California · 17327 days ago · 6 km deep · 64 km away
  38. 2.321 km NE of Soledad, California · 17327 days ago · 5 km deep · 63 km away
  39. 1.615 km N of Huron, California · 17325 days ago · 4 km deep · 35 km away
  40. 1.622 km NNE of Soledad, California · 17324 days ago · 5 km deep · 71 km away
  41. 2.121 km NE of Soledad, California · 17323 days ago · 7 km deep · 66 km away
  42. 1.710 km W of Oak Shores, California · 17320 days ago · 3 km deep · 82 km away
  43. 2.319 km NW of Parkfield, California · 17319 days ago · 4 km deep · 35 km away
  44. 1.531 km SW of South Dos Palos, California · 17319 days ago · 3 km deep · 62 km away
  45. 2.524 km ENE of Soledad, California · 17318 days ago · 2 km deep · 55 km away
  46. 1.722 km NNE of Soledad, California · 17318 days ago · 1 km deep · 72 km away
  47. 1.827 km NE of King City, California · 17317 days ago · 5 km deep · 43 km away
  48. 1.617 km SSE of Tres Pinos, California · 17316 days ago · 5 km deep · 78 km away
  49. 2.0Central California · 17315 days ago · 1 km deep · 60 km away
  50. 1.7Central California · 17315 days ago · 7 km deep · 49 km away
  51. 1.623 km ENE of Soledad, California · 17315 days ago · 2 km deep · 60 km away
  52. 1.521 km NE of Soledad, California · 17314 days ago · 7 km deep · 69 km away
  53. 1.6Central California · 17314 days ago · 3 km deep · 91 km away
  54. 1.6Central California · 17313 days ago · 5 km deep · 36 km away
  55. 1.633 km E of Tres Pinos, California · 17313 days ago · 3 km deep · 62 km away
  56. 2.121 km NNE of Soledad, California · 17313 days ago · 8 km deep · 71 km away
  57. 1.614 km ESE of Tres Pinos, California · 17313 days ago · 7 km deep · 76 km away
  58. 2.324 km NNE of King City, California · 17312 days ago · 5 km deep · 46 km away
  59. 2.425 km NE of Greenfield, California · 17312 days ago · 5 km deep · 50 km away
  60. 1.515 km ESE of Tres Pinos, California · 17312 days ago · 8 km deep · 76 km away

The first 60 of 127.

Before

  1. 1.523 km ENE of Soledad, California · 17345 days ago · 3 km deep · 60 km away
  2. 1.620 km NW of Parkfield, California · 17348 days ago · 3 km deep · 34 km away
  3. 2.825km SSE of King City, CA · 17350 days ago · 6 km deep · 63 km away
  4. 2.624 km ENE of Soledad, California · 17352 days ago · 4 km deep · 56 km away
  5. 3.524 km ENE of Soledad, California · 17352 days ago · 3 km deep · 56 km away
  6. 2.423 km ENE of Soledad, California · 17352 days ago · 3 km deep · 57 km away
  7. 1.726 km ENE of Greenfield, California · 17353 days ago · 9 km deep · 46 km away
  8. 2.024 km ENE of Greenfield, California · 17353 days ago · 3 km deep · 50 km away
  9. 1.924 km NE of San Ardo, California · 17355 days ago · 8 km deep · 28 km away
  10. 2.123 km NE of San Ardo, California · 17355 days ago · 10 km deep · 28 km away
  11. 1.923 km NE of San Ardo, California · 17355 days ago · 12 km deep · 28 km away
  12. 1.931 km NE of King City, California · 17355 days ago · 14 km deep · 41 km away
  13. 2.421 km NE of Soledad, California · 17357 days ago · 5 km deep · 67 km away
  14. 2.228 km ENE of Soledad, California · 17357 days ago · 9 km deep · 59 km away
  15. 1.923 km NE of San Ardo, California · 17358 days ago · 3 km deep · 29 km away
  16. 1.526 km SE of Tres Pinos, California · 17359 days ago · 9 km deep · 65 km away
  17. 2.77 km SSW of Huron, California · 17360 days ago · 12 km deep · 37 km away
  18. 2.828 km SW of South Dos Palos, California · 17360 days ago · 6 km deep · 63 km away
  19. 2.328 km SW of South Dos Palos, California · 17360 days ago · 5 km deep · 63 km away
  20. 1.923 km NE of Soledad, California · 17361 days ago · 9 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045290. Read Thu, Oct 1, 2026, 9:40 AM UTC.