California earthquakes

M2.4 earthquake 21 km WSW of Three Rocks, California

A magnitude 2.4 earthquake struck 21 km WSW of Three Rocks, California on Sat, Mar 3, 1979, 5:31 AM PST (13:31 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.6 15 km ESE of Tres Pinos, California. This one was a foreshock.

Tranquillity 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
2.4 (md), micro
Local time
UTC
1979-03-03 13:31:46 UTC
Depth
14.4 km (8.9 mi), shallow
Epicenter
36.443° N, 120.620° 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
±0.16
Depth from
From location
Station coverage gap
162°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 1.96 km SE of Tres Pinos, California · 17378 days ago · 10 km deep · 67 km away
  2. 2.128 km SW of South Dos Palos, California · 17377 days ago · 3 km deep · 45 km away
  3. 1.723 km NNE of San Lucas, California · 17376 days ago · 3 km deep · 28 km away
  4. 2.913 km SSE of Tres Pinos, California · 17376 days ago · 2 km deep · 65 km away
  5. 2.923 km WSW of Three Rocks, California · 17376 days ago · 8 km deep · 2 km away
  6. 2.121 km NNE of Soledad, California · 17376 days ago · 8 km deep · 55 km away
  7. 1.615 km SSE of Tres Pinos, California · 17374 days ago · 3 km deep · 64 km away
  8. 2.124 km NE of Soledad, California · 17374 days ago · 8 km deep · 47 km away
  9. 1.630 km SW of South Dos Palos, California · 17374 days ago · 5 km deep · 42 km away
  10. 1.828 km NE of Soledad, California · 17371 days ago · 7 km deep · 46 km away
  11. 2.722 km ENE of Soledad, California · 17371 days ago · 4 km deep · 44 km away
  12. 1.923 km NE of Soledad, California · 17370 days ago · 9 km deep · 48 km away
  13. 1.65 km SSW of Tres Pinos, California · 17370 days ago · 4 km deep · 74 km away
  14. 2.05 km SSW of Tres Pinos, California · 17370 days ago · 4 km deep · 74 km away
  15. 1.724 km NE of Soledad, California · 17369 days ago · 9 km deep · 47 km away
  16. 1.914 km SE of Parkfield, California · 17369 days ago · 4 km deep · 76 km away
  17. 2.736 km ENE of Greenfield, California · 17369 days ago · 16 km deep · 26 km away
  18. 2.521 km NE of Soledad, California · 17369 days ago · 6 km deep · 50 km away
  19. 2.024 km ENE of Soledad, California · 17368 days ago · 8 km deep · 43 km away
  20. 1.724 km ENE of Soledad, California · 17368 days ago · 8 km deep · 43 km away
  21. 1.6Central California · 17367 days ago · 7 km deep · 92 km away
  22. 1.621 km NE of Soledad, California · 17366 days ago · 3 km deep · 49 km away
  23. 2.321 km NE of Soledad, California · 17366 days ago · 6 km deep · 50 km away
  24. 3.230 km SE of Tres Pinos, California · 17366 days ago · 10 km deep · 44 km away
  25. 3.230 km NE of Soledad, California · 17366 days ago · 21 km deep · 42 km away
  26. 1.917 km SSE of Tres Pinos, California · 17365 days ago · 5 km deep · 61 km away
  27. 3.216 km SSE of Tres Pinos, California · 17365 days ago · 3 km deep · 62 km away
  28. 3.615 km ESE of Tres Pinos, California · 17365 days ago · 11 km deep · 58 km away
  29. 2.122 km ENE of Soledad, California · 17365 days ago · 2 km deep · 45 km away
  30. 1.824 km ENE of Greenfield, California · 17362 days ago · 7 km deep · 33 km away
  31. 1.623 km NE of Soledad, California · 17362 days ago · 8 km deep · 48 km away
  32. 2.821 km NE of Soledad, California · 17362 days ago · 3 km deep · 51 km away
  33. 2.621 km NE of Soledad, California · 17362 days ago · 3 km deep · 51 km away
  34. 2.121 km NE of Soledad, California · 17362 days ago · 3 km deep · 51 km away
  35. 1.923 km NE of San Ardo, California · 17360 days ago · 4 km deep · 31 km away
  36. 1.923 km NE of Soledad, California · 17360 days ago · 9 km deep · 48 km away
  37. 2.328 km SW of South Dos Palos, California · 17360 days ago · 5 km deep · 45 km away
  38. 2.828 km SW of South Dos Palos, California · 17360 days ago · 6 km deep · 44 km away
  39. 2.77 km SSW of Huron, California · 17360 days ago · 12 km deep · 55 km away
  40. 1.526 km SE of Tres Pinos, California · 17359 days ago · 9 km deep · 48 km away
  41. 1.923 km NE of San Ardo, California · 17358 days ago · 3 km deep · 30 km away
  42. 2.228 km ENE of Soledad, California · 17356 days ago · 9 km deep · 42 km away
  43. 2.421 km NE of Soledad, California · 17356 days ago · 5 km deep · 51 km away
  44. 1.931 km NE of King City, California · 17355 days ago · 14 km deep · 26 km away
  45. 1.923 km NE of San Ardo, California · 17354 days ago · 12 km deep · 30 km away
  46. 2.123 km NE of San Ardo, California · 17354 days ago · 10 km deep · 30 km away
  47. 1.924 km NE of San Ardo, California · 17354 days ago · 8 km deep · 30 km away
  48. 2.024 km ENE of Greenfield, California · 17352 days ago · 3 km deep · 35 km away
  49. 1.726 km ENE of Greenfield, California · 17352 days ago · 9 km deep · 32 km away
  50. 2.423 km ENE of Soledad, California · 17351 days ago · 3 km deep · 41 km away
  51. 3.524 km ENE of Soledad, California · 17351 days ago · 3 km deep · 41 km away
  52. 2.624 km ENE of Soledad, California · 17351 days ago · 4 km deep · 41 km away
  53. 2.825km SSE of King City, CA · 17350 days ago · 6 km deep · 63 km away
  54. 1.620 km NW of Parkfield, California · 17347 days ago · 3 km deep · 46 km away
  55. 3.010 km WSW of Ridgemark, California · 17346 days ago · 8 km deep · 84 km away
  56. 1.79 km WSW of Ridgemark, California · 17346 days ago · 7 km deep · 84 km away
  57. 1.87 km NNE of Hollister, California · 17345 days ago · 7 km deep · 86 km away
  58. 1.523 km ENE of Soledad, California · 17344 days ago · 3 km deep · 44 km away
  59. 1.621 km SSW of Three Rocks, California · 17344 days ago · 4 km deep · 18 km away
  60. 1.623 km ENE of Soledad, California · 17344 days ago · 1 km deep · 44 km away

The first 60 of 109.

Before

  1. 2.225 km SE of Tres Pinos, California · 17378 days ago · 12 km deep · 48 km away
  2. 1.924 km NE of Greenfield, California · 17379 days ago · 5 km deep · 40 km away
  3. 2.010 km N of San Simeon, California · 17379 days ago · 8 km deep · 93 km away
  4. 1.821 km NE of Soledad, California · 17380 days ago · 6 km deep · 53 km away
  5. 2.221 km NE of Soledad, California · 17381 days ago · 6 km deep · 53 km away
  6. 1.8Central California · 17381 days ago · 7 km deep · 53 km away
  7. 2.113 km SW of Three Rocks, California · 17381 days ago · 14 km deep · 13 km away
  8. 1.63 km S of Hollister, California · 17382 days ago · 7 km deep · 82 km away
  9. 2.38 km NE of Coalinga, California · 17382 days ago · 5 km deep · 39 km away
  10. 3.17 km SSW of Huron, California · 17382 days ago · 10 km deep · 56 km away
  11. 1.517 km SSE of Tres Pinos, California · 17384 days ago · 5 km deep · 61 km away
  12. 1.521 km NE of Soledad, California · 17384 days ago · 7 km deep · 48 km away
  13. 1.93 km S of Hollister, California · 17385 days ago · 7 km deep · 82 km away
  14. 2.121 km NE of Soledad, California · 17385 days ago · 8 km deep · 47 km away
  15. 1.820 km W of Volta, California · 17387 days ago · 3 km deep · 88 km away
  16. 1.624 km ENE of Greenfield, California · 17387 days ago · 5 km deep · 35 km away
  17. 2.4Central California · 17387 days ago · 4 km deep · 66 km away
  18. 1.924 km NE of Soledad, California · 17388 days ago · 9 km deep · 47 km away
  19. 2.024 km NE of Soledad, California · 17388 days ago · 9 km deep · 47 km away
  20. 1.824 km NE of Soledad, California · 17388 days ago · 9 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044871. Read Wed, Sep 30, 2026, 2:05 PM UTC.