California earthquakes

M1.7 earthquake 37 km WNW of Three Rocks, California

A magnitude 1.7 earthquake struck 37 km WNW of Three Rocks, California on Wed, Oct 17, 1979, 7:15 PM PDT (02:15 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.6 5 km ENE of Chowchilla, California. 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-10-18 02:15:23 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
36.589° N, 120.796° 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, 3.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
184°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 75 in the 30 days before it.

After

  1. 2.65 km SW of Gilroy, California · 17151 days ago · 4 km deep · 84 km away
  2. 1.78 km E of Gilroy, California · 17150 days ago · 4 km deep · 76 km away
  3. 2.110 km NE of Gilroy, California · 17150 days ago · 9 km deep · 83 km away
  4. 1.610 km NE of Gilroy, California · 17150 days ago · 9 km deep · 83 km away
  5. 1.64 km NW of Parkfield, California · 17150 days ago · 4 km deep · 79 km away
  6. 1.611 km ESE of Gilroy, California · 17150 days ago · 5 km deep · 72 km away
  7. 2.23 km S of San Juan Bautista, California · 17150 days ago · 7 km deep · 70 km away
  8. 1.814 km SSE of Tres Pinos, California · 17150 days ago · 6 km deep · 44 km away
  9. 2.815 km SSE of Tres Pinos, California · 17150 days ago · 6 km deep · 44 km away
  10. 1.524 km NE of Greenfield, California · 17150 days ago · 7 km deep · 26 km away
  11. 1.85 km SW of San Ardo, California · 17149 days ago · 4 km deep · 69 km away
  12. 1.99 km NE of San Martin, California · 17149 days ago · 9 km deep · 90 km away
  13. 2.021 km NE of Soledad, California · 17149 days ago · 3 km deep · 31 km away
  14. 2.613 km S of Tres Pinos, California · 17149 days ago · 4 km deep · 46 km away
  15. 2.06 km WSW of Gilroy, California · 17149 days ago · 4 km deep · 86 km away
  16. 2.78 km ENE of Gilroy, California · 17149 days ago · 9 km deep · 79 km away
  17. 3.421 km NE of Soledad, California · 17149 days ago · 8 km deep · 34 km away
  18. 1.821 km NE of Soledad, California · 17149 days ago · 7 km deep · 34 km away
  19. 3.09 km ESE of Gilroy, California · 17149 days ago · 7 km deep · 74 km away
  20. 2.122 km ENE of Tres Pinos, California · 17148 days ago · 2 km deep · 43 km away
  21. 1.89 km NNW of Hollister, California · 17148 days ago · 2 km deep · 68 km away
  22. 1.69 km NNW of Hollister, California · 17148 days ago · 2 km deep · 68 km away
  23. 3.23 km W of San Juan Bautista, California · 17147 days ago · 5 km deep · 75 km away
  24. 2.119 km WNW of Coalinga, California · 17147 days ago · 10 km deep · 50 km away
  25. 2.22 km W of San Juan Bautista, California · 17146 days ago · 1 km deep · 74 km away
  26. 2.04 km SE of Tres Pinos, California · 17145 days ago · 8 km deep · 47 km away
  27. 1.619 km W of Volta, California · 17144 days ago · 4 km deep · 65 km away
  28. 1.611 km NE of Gilroy, California · 17142 days ago · 4 km deep · 81 km away
  29. 1.917 km SSE of Tres Pinos, California · 17142 days ago · 5 km deep · 42 km away
  30. 1.621 km NE of Soledad, California · 17141 days ago · 2 km deep · 31 km away
  31. 1.716 km SSE of Tres Pinos, California · 17140 days ago · 8 km deep · 43 km away
  32. 1.617 km SSE of Tres Pinos, California · 17140 days ago · 6 km deep · 39 km away
  33. 1.69 km N of Hollister, California · 17140 days ago · 8 km deep · 67 km away
  34. 2.211 km NE of Gilroy, California · 17139 days ago · 5 km deep · 81 km away
  35. 1.98 km SSW of Tres Pinos, California · 17139 days ago · 0 km deep · 52 km away
  36. 1.521 km NE of Soledad, California · 17138 days ago · 3 km deep · 32 km away
  37. 1.64 km NW of Parkfield, California · 17138 days ago · 4 km deep · 80 km away
  38. 2.016 km SSE of Tres Pinos, California · 17138 days ago · 8 km deep · 43 km away
  39. 1.723 km NE of Greenfield, California · 17136 days ago · 5 km deep · 26 km away
  40. 1.621 km NE of Soledad, California · 17135 days ago · 2 km deep · 30 km away
  41. 2.68 km ENE of Morgan Hill, California · 17135 days ago · 3 km deep · 94 km away
  42. 2.19 km ENE of Gilroy, California · 17135 days ago · 8 km deep · 77 km away
  43. 1.724 km NE of Greenfield, California · 17134 days ago · 1 km deep · 26 km away
  44. 1.59 km NE of Gilroy, California · 17134 days ago · 6 km deep · 83 km away
  45. 1.98 km NE of Gilroy, California · 17134 days ago · 7 km deep · 83 km away
  46. 1.529 km SE of Tres Pinos, California · 17133 days ago · 10 km deep · 25 km away
  47. 1.610 km E of Gilroy, California · 17133 days ago · 8 km deep · 74 km away
  48. 1.816 km NW of Parkfield, California · 17133 days ago · 3 km deep · 69 km away
  49. 1.69 km ENE of Gilroy, California · 17132 days ago · 8 km deep · 78 km away
  50. 1.88 km ENE of Gilroy, California · 17132 days ago · 5 km deep · 78 km away
  51. 2.14 km SW of Gilroy, California · 17132 days ago · 1 km deep · 84 km away
  52. 2.124 km ENE of Greenfield, California · 17131 days ago · 5 km deep · 27 km away
  53. 1.922 km NNE of Soledad, California · 17131 days ago · 1 km deep · 36 km away
  54. 1.62 km N of Hollister, California · 17131 days ago · 8 km deep · 63 km away
  55. 2.32 km WNW of San Martin, California · 17131 days ago · 1 km deep · 93 km away
  56. 2.39 km N of Hollister, California · 17131 days ago · 8 km deep · 67 km away
  57. 1.823 km NNE of San Ardo, California · 17130 days ago · 7 km deep · 43 km away
  58. 2.28 km ENE of San Martin, California · 17129 days ago · 6 km deep · 87 km away
  59. 2.022 km NE of Soledad, California · 17129 days ago · 8 km deep · 30 km away
  60. 1.522 km ENE of Soledad, California · 17129 days ago · 2 km deep · 30 km away

The first 60 of 187.

Before

  1. 2.95 km SW of Gilroy, California · 17151 days ago · 5 km deep · 83 km away
  2. 2.221 km NE of Soledad, California · 17151 days ago · 2 km deep · 31 km away
  3. 1.618 km SSE of Tres Pinos, California · 17151 days ago · 10 km deep · 41 km away
  4. 2.115 km SSE of Tres Pinos, California · 17152 days ago · 6 km deep · 44 km away
  5. 1.719 km W of Volta, California · 17152 days ago · 5 km deep · 64 km away
  6. 1.815 km SSE of Tres Pinos, California · 17152 days ago · 6 km deep · 44 km away
  7. 2.815 km SSE of Tres Pinos, California · 17153 days ago · 6 km deep · 44 km away
  8. 1.69 km ENE of Gilroy, California · 17153 days ago · 9 km deep · 79 km away
  9. 1.99 km ENE of Gilroy, California · 17153 days ago · 8 km deep · 79 km away
  10. 2.121 km NE of Soledad, California · 17153 days ago · 3 km deep · 32 km away
  11. 1.69 km ENE of Gilroy, California · 17153 days ago · 9 km deep · 79 km away
  12. 1.822 km NE of San Lucas, California · 17154 days ago · 6 km deep · 35 km away
  13. 1.517 km SSE of Tres Pinos, California · 17154 days ago · 3 km deep · 42 km away
  14. 2.39 km ENE of Gilroy, California · 17155 days ago · 8 km deep · 79 km away
  15. 3.43 km S of San Juan Bautista, California · 17155 days ago · 5 km deep · 71 km away
  16. 1.610 km W of Coalinga, California · 17156 days ago · 9 km deep · 59 km away
  17. 2.321 km NE of Soledad, California · 17157 days ago · 7 km deep · 32 km away
  18. 1.617 km SSE of Tres Pinos, California · 17158 days ago · 9 km deep · 42 km away
  19. 2.77 km SSW of Three Rocks, California · 17158 days ago · 8 km deep · 38 km away
  20. 2.110 km NNW of Hollister, California · 17158 days ago · 0 km deep · 69 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1048378. Read Thu, Oct 1, 2026, 7:56 PM UTC.