California earthquakes

M1.9 earthquake 32 km WNW of Three Rocks, California

A magnitude 1.9 earthquake struck 32 km WNW of Three Rocks, California on Tue, Apr 17, 1979, 7:09 PM PST (03:09 UTC), 12 km (8 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-04-18 03:09:19 UTC
Depth
12.4 km (7.7 mi), shallow
Epicenter
36.606° N, 120.726° 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 1.0 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
216°, poorly surrounded by stations
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 145 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 2.412 km ESE of Coalinga, California · 17337 days ago · 9 km deep · 71 km away
  2. 2.111 km ESE of Coalinga, California · 17337 days ago · 9 km deep · 71 km away
  3. 2.822 km NE of Soledad, California · 17336 days ago · 2 km deep · 36 km away
  4. 1.95 km ESE of Aromas, California · 17336 days ago · 5 km deep · 83 km away
  5. 1.711 km S of Tres Pinos, California · 17336 days ago · 5 km deep · 54 km away
  6. 1.922 km NE of Soledad, California · 17335 days ago · 2 km deep · 36 km away
  7. 3.542km SW of Mendota, CA · 17335 days ago · 6 km deep · 10 km away
  8. 2.826 km WNW of Three Rocks, California · 17335 days ago · 3 km deep · 7 km away
  9. 2.1Central California · 17335 days ago · 4 km deep · 58 km away
  10. 1.99 km NW of Parkfield, California · 17335 days ago · 8 km deep · 75 km away
  11. 2.022 km NE of Soledad, California · 17334 days ago · 4 km deep · 37 km away
  12. 1.85 km SSW of Tres Pinos, California · 17334 days ago · 4 km deep · 58 km away
  13. 2.515 km SSW of Lockwood, California · 17333 days ago · 13 km deep · 96 km away
  14. 2.224 km NE of Greenfield, California · 17333 days ago · 4 km deep · 32 km away
  15. 1.516 km NW of Parkfield, California · 17333 days ago · 3 km deep · 69 km away
  16. 3.1Central California · 17333 days ago · 8 km deep · 65 km away
  17. 1.54 km S of Ridgemark, California · 17333 days ago · 3 km deep · 60 km away
  18. 2.04 km WNW of San Juan Bautista, California · 17333 days ago · 6 km deep · 82 km away
  19. 1.83 km S of Tres Pinos, California · 17331 days ago · 5 km deep · 56 km away
  20. 2.521 km NE of Soledad, California · 17331 days ago · 6 km deep · 37 km away
  21. 2.321 km NE of Soledad, California · 17331 days ago · 5 km deep · 37 km away
  22. 1.615 km N of Huron, California · 17329 days ago · 4 km deep · 63 km away
  23. 1.84 km SSW of Gilroy, California · 17328 days ago · 6 km deep · 86 km away
  24. 1.622 km NNE of Soledad, California · 17327 days ago · 5 km deep · 43 km away
  25. 2.11 km N of Aromas, California · 17327 days ago · 8 km deep · 88 km away
  26. 2.121 km NE of Soledad, California · 17326 days ago · 7 km deep · 39 km away
  27. 2.55 km NNW of San Juan Bautista, California · 17326 days ago · 7 km deep · 81 km away
  28. 1.712 km SE of Carmel Valley Village, California · 17325 days ago · 8 km deep · 88 km away
  29. 1.710 km W of Oak Shores, California · 17324 days ago · 3 km deep · 98 km away
  30. 2.319 km NW of Parkfield, California · 17323 days ago · 4 km deep · 66 km away
  31. 1.531 km SW of South Dos Palos, California · 17323 days ago · 3 km deep · 24 km away
  32. 2.524 km ENE of Soledad, California · 17322 days ago · 2 km deep · 33 km away
  33. 1.722 km NNE of Soledad, California · 17322 days ago · 1 km deep · 43 km away
  34. 1.827 km NE of King City, California · 17321 days ago · 5 km deep · 29 km away
  35. 1.97 km NNE of Interlaken, California · 17321 days ago · 6 km deep · 99 km away
  36. 1.617 km SSE of Tres Pinos, California · 17320 days ago · 5 km deep · 48 km away
  37. 2.0Central California · 17319 days ago · 1 km deep · 35 km away
  38. 1.7Central California · 17318 days ago · 7 km deep · 32 km away
  39. 1.623 km ENE of Soledad, California · 17318 days ago · 2 km deep · 35 km away
  40. 1.96 km WSW of Gilroy, California · 17318 days ago · 6 km deep · 91 km away
  41. 1.521 km NE of Soledad, California · 17318 days ago · 7 km deep · 41 km away
  42. 1.6Central California · 17318 days ago · 3 km deep · 58 km away
  43. 1.76 km NNE of Interlaken, California · 17318 days ago · 6 km deep · 98 km away
  44. 1.6Central California · 17317 days ago · 5 km deep · 69 km away
  45. 1.633 km E of Tres Pinos, California · 17317 days ago · 3 km deep · 25 km away
  46. 2.121 km NNE of Soledad, California · 17317 days ago · 8 km deep · 42 km away
  47. 1.614 km ESE of Tres Pinos, California · 17316 days ago · 7 km deep · 42 km away
  48. 2.324 km NNE of King City, California · 17316 days ago · 5 km deep · 32 km away
  49. 2.425 km NE of Greenfield, California · 17316 days ago · 5 km deep · 31 km away
  50. 1.515 km ESE of Tres Pinos, California · 17316 days ago · 8 km deep · 42 km away
  51. 1.730 km SW of South Dos Palos, California · 17316 days ago · 2 km deep · 22 km away
  52. 1.75 km SSW of Tres Pinos, California · 17316 days ago · 7 km deep · 57 km away
  53. 1.911 km S of Tres Pinos, California · 17315 days ago · 4 km deep · 54 km away
  54. 1.97 km E of Gilroy, California · 17315 days ago · 5 km deep · 81 km away
  55. 2.024 km ENE of San Ardo, California · 17314 days ago · 7 km deep · 56 km away
  56. 2.75 km NW of Parkfield, California · 17314 days ago · 6 km deep · 78 km away
  57. 1.616 km SSE of Tres Pinos, California · 17314 days ago · 5 km deep · 49 km away
  58. 3.09 km SE of San Juan Bautista, California · 17313 days ago · 4 km deep · 69 km away
  59. 2.022 km NE of San Ardo, California · 17313 days ago · 6 km deep · 47 km away
  60. 1.625 km NE of Soledad, California · 17313 days ago · 8 km deep · 35 km away

The first 60 of 145.

Before

  1. 1.622 km ENE of San Lucas, California · 17337 days ago · 9 km deep · 41 km away
  2. 1.522 km NE of San Lucas, California · 17338 days ago · 5 km deep · 37 km away
  3. 2.19 km SW of San Martin, California · 17339 days ago · 2 km deep · 99 km away
  4. 2.13 km NE of Interlaken, California · 17340 days ago · 11 km deep · 96 km away
  5. 2.222 km NE of Soledad, California · 17341 days ago · 2 km deep · 36 km away
  6. 1.723 km NE of Soledad, California · 17341 days ago · 8 km deep · 36 km away
  7. 1.924 km NE of King City, California · 17341 days ago · 1 km deep · 32 km away
  8. 2.08 km SW of Tres Pinos, California · 17342 days ago · 2 km deep · 60 km away
  9. 1.723 km ENE of Soledad, California · 17343 days ago · 2 km deep · 34 km away
  10. 1.625 km NE of Greenfield, California · 17343 days ago · 1 km deep · 31 km away
  11. 2.021 km NE of Soledad, California · 17344 days ago · 6 km deep · 38 km away
  12. 1.89 km S of Coalinga, California · 17345 days ago · 9 km deep · 70 km away
  13. 1.722 km WNW of Three Rocks, California · 17345 days ago · 5 km deep · 10 km away
  14. 2.27 km SSE of Coalinga, California · 17345 days ago · 4 km deep · 68 km away
  15. 2.722 km WNW of Three Rocks, California · 17345 days ago · 8 km deep · 10 km away
  16. 2.131 km ENE of Soledad, California · 17345 days ago · 9 km deep · 27 km away
  17. 2.532 km W of Three Rocks, California · 17346 days ago · 10 km deep · 13 km away
  18. 2.810 km E of Big Sur, California · 17348 days ago · 11 km deep · 94 km away
  19. 2.410 km S of Tres Pinos, California · 17348 days ago · 4 km deep · 55 km away
  20. 2.210 km E of Big Sur, California · 17348 days ago · 11 km deep · 94 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045453. Read Mon, Oct 5, 2026, 7:32 AM UTC.