California earthquakes

M3.1 earthquake 10 km WSW of Three Rocks, California

A magnitude 3.1 earthquake struck 10 km WSW of Three Rocks, California on Fri, May 18, 1979, 9:58 AM PDT (16:58 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 12 km SW of Huron, 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
3.1 (md), minor
Local time
UTC
1979-05-18 16:58:02 UTC
Depth
4.9 km (3.1 mi), shallow
Epicenter
36.471° N, 120.497° 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 0.7 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
217°, 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: 106 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 1.89 km S of Tres Pinos, California · 17301 days ago · 2 km deep · 80 km away
  2. 2.725 km WSW of Volta, California · 17299 days ago · 3 km deep · 87 km away
  3. 2.525 km WSW of Volta, California · 17299 days ago · 4 km deep · 87 km away
  4. 2.517 km NW of Parkfield, California · 17299 days ago · 5 km deep · 52 km away
  5. 2.411 km S of Tres Pinos, California · 17297 days ago · 5 km deep · 77 km away
  6. 1.722 km NNE of Soledad, California · 17296 days ago · 6 km deep · 65 km away
  7. 3.132 km NE of San Lucas, California · 17295 days ago · 9 km deep · 28 km away
  8. 2.432 km NE of San Lucas, California · 17295 days ago · 9 km deep · 28 km away
  9. 1.722 km NNE of Soledad, California · 17294 days ago · 2 km deep · 65 km away
  10. 3.225 km WNW of Coalinga, California · 17294 days ago · 7 km deep · 33 km away
  11. 1.625 km WNW of Coalinga, California · 17294 days ago · 5 km deep · 34 km away
  12. 1.925 km WNW of Coalinga, California · 17294 days ago · 6 km deep · 34 km away
  13. 3.423 km ENE of Soledad, California · 17293 days ago · 4 km deep · 54 km away
  14. 3.323 km ENE of Soledad, California · 17293 days ago · 1 km deep · 54 km away
  15. 1.623 km ENE of Soledad, California · 17293 days ago · 3 km deep · 52 km away
  16. 1.825 km WNW of Coalinga, California · 17293 days ago · 5 km deep · 34 km away
  17. 2.425 km WNW of Coalinga, California · 17293 days ago · 5 km deep · 34 km away
  18. 2.13 km SSE of Parkfield, California · 17293 days ago · 5 km deep · 67 km away
  19. 1.925 km WNW of Coalinga, California · 17293 days ago · 5 km deep · 34 km away
  20. 2.125 km WNW of Coalinga, California · 17293 days ago · 5 km deep · 34 km away
  21. 1.524 km NE of Greenfield, California · 17292 days ago · 5 km deep · 50 km away
  22. 2.112 km S of Tres Pinos, California · 17292 days ago · 5 km deep · 76 km away
  23. 2.725 km WNW of Coalinga, California · 17292 days ago · 5 km deep · 33 km away
  24. 2.223 km ENE of Soledad, California · 17292 days ago · 2 km deep · 54 km away
  25. 2.123 km ENE of Soledad, California · 17292 days ago · 0 km deep · 54 km away
  26. 2.023 km ENE of Soledad, California · 17292 days ago · 4 km deep · 54 km away
  27. 1.823 km ENE of Soledad, California · 17292 days ago · 1 km deep · 54 km away
  28. 2.330 km SE of Tres Pinos, California · 17292 days ago · 11 km deep · 52 km away
  29. 2.123 km ENE of Soledad, California · 17291 days ago · 0 km deep · 52 km away
  30. 2.023 km ENE of Soledad, California · 17291 days ago · 1 km deep · 54 km away
  31. 1.923 km ENE of Soledad, California · 17291 days ago · -1 km deep · 54 km away
  32. 3.123 km ENE of Soledad, California · 17291 days ago · 1 km deep · 54 km away
  33. 1.82 km E of San Ardo, California · 17290 days ago · 10 km deep · 61 km away
  34. 1.826 km W of Coalinga, California · 17290 days ago · 3 km deep · 35 km away
  35. 2.125 km WNW of Coalinga, California · 17289 days ago · 5 km deep · 34 km away
  36. 1.925 km WNW of Coalinga, California · 17289 days ago · 6 km deep · 34 km away
  37. 1.916 km SSE of Tres Pinos, California · 17289 days ago · 4 km deep · 71 km away
  38. 1.722 km ENE of Soledad, California · 17287 days ago · 2 km deep · 54 km away
  39. 2.623 km ENE of Soledad, California · 17287 days ago · 2 km deep · 54 km away
  40. 1.924 km ENE of Soledad, California · 17286 days ago · 0 km deep · 54 km away
  41. 1.825 km WNW of Coalinga, California · 17286 days ago · 6 km deep · 34 km away
  42. 1.524 km NE of Greenfield, California · 17286 days ago · 7 km deep · 50 km away
  43. 2.523 km ENE of Soledad, California · 17285 days ago · 1 km deep · 54 km away
  44. 1.925 km WNW of Coalinga, California · 17283 days ago · 7 km deep · 34 km away
  45. 1.95 km W of Bradley, California · 17283 days ago · 4 km deep · 74 km away
  46. 2.018 km SW of Lockwood, California · 17282 days ago · 15 km deep · 98 km away
  47. 1.725 km WNW of Coalinga, California · 17282 days ago · 7 km deep · 33 km away
  48. 2.630 km W of Three Rocks, California · 17280 days ago · 8 km deep · 22 km away
  49. 1.620 km NE of Soledad, California · 17279 days ago · 0 km deep · 59 km away
  50. 1.521 km NE of Soledad, California · 17278 days ago · 3 km deep · 60 km away
  51. 1.82 km ESE of Tres Pinos, California · 17278 days ago · 4 km deep · 79 km away
  52. 2.524 km NE of Greenfield, California · 17276 days ago · 7 km deep · 50 km away
  53. 2.122 km ENE of Soledad, California · 17273 days ago · 5 km deep · 55 km away
  54. 2.621 km NE of Soledad, California · 17273 days ago · 6 km deep · 58 km away
  55. 1.721 km NE of Soledad, California · 17273 days ago · 6 km deep · 58 km away
  56. 2.47 km N of Hollister, California · 17273 days ago · 8 km deep · 96 km away
  57. 1.54 km SSE of San Juan Bautista, California · 17271 days ago · 5 km deep · 99 km away
  58. 2.44 km SSE of San Juan Bautista, California · 17271 days ago · 6 km deep · 99 km away
  59. 2.24 km SSE of San Juan Bautista, California · 17271 days ago · 6 km deep · 99 km away
  60. 2.722 km NNE of Hollister, California · 17271 days ago · 9 km deep · 97 km away

The first 60 of 106.

Before

  1. 1.825 km NNE of King City, California · 17303 days ago · 1 km deep · 43 km away
  2. 1.612 km SW of Tres Pinos, California · 17304 days ago · 9 km deep · 85 km away
  3. 2.59 km S of Tres Pinos, California · 17304 days ago · 4 km deep · 79 km away
  4. 1.57 km SSW of San Ardo, California · 17305 days ago · 5 km deep · 69 km away
  5. 2.925 km WNW of Coalinga, California · 17306 days ago · 6 km deep · 33 km away
  6. 2.110 km WSW of Ridgemark, California · 17306 days ago · 7 km deep · 93 km away
  7. 1.69 km S of Tres Pinos, California · 17307 days ago · 2 km deep · 80 km away
  8. 1.82 km S of Hollister, California · 17307 days ago · 5 km deep · 90 km away
  9. 1.925 km WNW of Coalinga, California · 17307 days ago · 6 km deep · 33 km away
  10. 1.825 km WNW of Coalinga, California · 17308 days ago · 6 km deep · 34 km away
  11. 2.025 km WNW of Coalinga, California · 17308 days ago · 5 km deep · 33 km away
  12. 2.226 km WNW of Coalinga, California · 17308 days ago · 2 km deep · 34 km away
  13. 2.125 km WNW of Coalinga, California · 17308 days ago · 6 km deep · 34 km away
  14. 1.723 km ENE of Soledad, California · 17308 days ago · 6 km deep · 52 km away
  15. 1.511 km S of Tres Pinos, California · 17309 days ago · 4 km deep · 77 km away
  16. 1.625 km NE of Soledad, California · 17309 days ago · 8 km deep · 57 km away
  17. 2.022 km NE of San Ardo, California · 17309 days ago · 6 km deep · 39 km away
  18. 3.09 km SE of San Juan Bautista, California · 17309 days ago · 4 km deep · 93 km away
  19. 1.616 km SSE of Tres Pinos, California · 17309 days ago · 5 km deep · 72 km away
  20. 2.75 km NW of Parkfield, California · 17310 days ago · 6 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045848 (also filed as ci3349194). Read Wed, Sep 30, 2026, 8:59 PM UTC.