California earthquakes

M2.7 earthquake 22 km WNW of Three Rocks, California

A magnitude 2.7 earthquake struck 22 km WNW of Three Rocks, California on Tue, Apr 10, 1979, 12:44 AM PST (08:44 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.5 42km SW of Mendota, CA. This one was a foreshock.

Mendota 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-04-10 08:44:13 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
36.604° N, 120.613° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 2.27 km SSE of Coalinga, California · 17344 days ago · 4 km deep · 64 km away
  2. 1.722 km WNW of Three Rocks, California · 17344 days ago · 5 km deep · 1 km away
  3. 1.89 km S of Coalinga, California · 17344 days ago · 9 km deep · 66 km away
  4. 2.021 km NE of Soledad, California · 17343 days ago · 6 km deep · 48 km away
  5. 1.625 km NE of Greenfield, California · 17343 days ago · 1 km deep · 39 km away
  6. 1.723 km ENE of Soledad, California · 17342 days ago · 2 km deep · 44 km away
  7. 2.08 km SW of Tres Pinos, California · 17342 days ago · 2 km deep · 70 km away
  8. 1.924 km NE of King City, California · 17341 days ago · 1 km deep · 39 km away
  9. 1.723 km NE of Soledad, California · 17340 days ago · 8 km deep · 46 km away
  10. 2.222 km NE of Soledad, California · 17340 days ago · 2 km deep · 46 km away
  11. 1.522 km NE of San Lucas, California · 17337 days ago · 5 km deep · 42 km away
  12. 1.622 km ENE of San Lucas, California · 17337 days ago · 9 km deep · 44 km away
  13. 1.932 km WNW of Three Rocks, California · 17337 days ago · 12 km deep · 10 km away
  14. 2.412 km ESE of Coalinga, California · 17336 days ago · 9 km deep · 65 km away
  15. 2.111 km ESE of Coalinga, California · 17336 days ago · 9 km deep · 65 km away
  16. 2.822 km NE of Soledad, California · 17335 days ago · 2 km deep · 46 km away
  17. 1.95 km ESE of Aromas, California · 17335 days ago · 5 km deep · 92 km away
  18. 1.711 km S of Tres Pinos, California · 17335 days ago · 5 km deep · 64 km away
  19. 1.922 km NE of Soledad, California · 17335 days ago · 2 km deep · 46 km away
  20. 3.542km SW of Mendota, CA · 17334 days ago · 6 km deep · 16 km away
  21. 2.826 km WNW of Three Rocks, California · 17334 days ago · 3 km deep · 4 km away
  22. 2.1Central California · 17334 days ago · 4 km deep · 68 km away
  23. 1.99 km NW of Parkfield, California · 17334 days ago · 8 km deep · 72 km away
  24. 2.022 km NE of Soledad, California · 17334 days ago · 4 km deep · 46 km away
  25. 1.85 km SSW of Tres Pinos, California · 17333 days ago · 4 km deep · 68 km away
  26. 2.515 km SSW of Lockwood, California · 17333 days ago · 13 km deep · 100 km away
  27. 2.224 km NE of Greenfield, California · 17333 days ago · 4 km deep · 42 km away
  28. 1.516 km NW of Parkfield, California · 17333 days ago · 3 km deep · 68 km away
  29. 3.1Central California · 17332 days ago · 8 km deep · 74 km away
  30. 1.54 km S of Ridgemark, California · 17332 days ago · 3 km deep · 70 km away
  31. 2.04 km WNW of San Juan Bautista, California · 17332 days ago · 6 km deep · 91 km away
  32. 1.83 km S of Tres Pinos, California · 17330 days ago · 5 km deep · 66 km away
  33. 2.521 km NE of Soledad, California · 17330 days ago · 6 km deep · 47 km away
  34. 2.321 km NE of Soledad, California · 17330 days ago · 5 km deep · 47 km away
  35. 1.615 km N of Huron, California · 17328 days ago · 4 km deep · 55 km away
  36. 1.84 km SSW of Gilroy, California · 17327 days ago · 6 km deep · 95 km away
  37. 1.622 km NNE of Soledad, California · 17327 days ago · 5 km deep · 53 km away
  38. 2.11 km N of Aromas, California · 17327 days ago · 8 km deep · 97 km away
  39. 2.121 km NE of Soledad, California · 17326 days ago · 7 km deep · 49 km away
  40. 2.55 km NNW of San Juan Bautista, California · 17326 days ago · 7 km deep · 90 km away
  41. 1.712 km SE of Carmel Valley Village, California · 17324 days ago · 8 km deep · 98 km away
  42. 2.319 km NW of Parkfield, California · 17323 days ago · 4 km deep · 65 km away
  43. 1.531 km SW of South Dos Palos, California · 17322 days ago · 3 km deep · 31 km away
  44. 2.524 km ENE of Soledad, California · 17322 days ago · 2 km deep · 42 km away
  45. 1.722 km NNE of Soledad, California · 17322 days ago · 1 km deep · 53 km away
  46. 1.827 km NE of King City, California · 17320 days ago · 5 km deep · 37 km away
  47. 1.617 km SSE of Tres Pinos, California · 17319 days ago · 5 km deep · 58 km away
  48. 2.0Central California · 17318 days ago · 1 km deep · 44 km away
  49. 1.7Central California · 17318 days ago · 7 km deep · 40 km away
  50. 1.623 km ENE of Soledad, California · 17318 days ago · 2 km deep · 44 km away
  51. 1.96 km WSW of Gilroy, California · 17318 days ago · 6 km deep · 100 km away
  52. 1.521 km NE of Soledad, California · 17318 days ago · 7 km deep · 51 km away
  53. 1.6Central California · 17317 days ago · 3 km deep · 68 km away
  54. 1.6Central California · 17317 days ago · 5 km deep · 67 km away
  55. 1.633 km E of Tres Pinos, California · 17316 days ago · 3 km deep · 33 km away
  56. 2.121 km NNE of Soledad, California · 17316 days ago · 8 km deep · 52 km away
  57. 1.614 km ESE of Tres Pinos, California · 17316 days ago · 7 km deep · 52 km away
  58. 2.324 km NNE of King City, California · 17316 days ago · 5 km deep · 40 km away
  59. 2.425 km NE of Greenfield, California · 17316 days ago · 5 km deep · 40 km away
  60. 1.515 km ESE of Tres Pinos, California · 17316 days ago · 8 km deep · 52 km away

The first 60 of 143.

Before

  1. 2.131 km ENE of Soledad, California · 17345 days ago · 9 km deep · 37 km away
  2. 2.532 km W of Three Rocks, California · 17345 days ago · 10 km deep · 18 km away
  3. 2.410 km S of Tres Pinos, California · 17347 days ago · 4 km deep · 65 km away
  4. 2.410 km WSW of Ridgemark, California · 17348 days ago · 6 km deep · 77 km away
  5. 1.623 km ENE of Soledad, California · 17348 days ago · 1 km deep · 44 km away
  6. 1.621 km SSW of Three Rocks, California · 17348 days ago · 4 km deep · 34 km away
  7. 1.523 km ENE of Soledad, California · 17348 days ago · 3 km deep · 44 km away
  8. 1.87 km NNE of Hollister, California · 17349 days ago · 7 km deep · 77 km away
  9. 1.65 km S of Gilroy, California · 17349 days ago · 3 km deep · 94 km away
  10. 1.79 km WSW of Ridgemark, California · 17350 days ago · 7 km deep · 78 km away
  11. 3.010 km WSW of Ridgemark, California · 17350 days ago · 8 km deep · 78 km away
  12. 1.620 km NW of Parkfield, California · 17351 days ago · 3 km deep · 64 km away
  13. 2.825km SSE of King City, CA · 17354 days ago · 6 km deep · 79 km away
  14. 2.624 km ENE of Soledad, California · 17355 days ago · 4 km deep · 43 km away
  15. 3.524 km ENE of Soledad, California · 17355 days ago · 3 km deep · 43 km away
  16. 2.423 km ENE of Soledad, California · 17355 days ago · 3 km deep · 43 km away
  17. 1.726 km ENE of Greenfield, California · 17356 days ago · 9 km deep · 38 km away
  18. 2.024 km ENE of Greenfield, California · 17356 days ago · 3 km deep · 40 km away
  19. 1.924 km NE of San Ardo, California · 17358 days ago · 8 km deep · 47 km away
  20. 2.123 km NE of San Ardo, California · 17358 days ago · 10 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045338. Read Sun, Oct 4, 2026, 3:43 PM UTC.