California earthquakes

M1.7 earthquake 4 km SSE of Sunol, California

A magnitude 1.7 earthquake struck 4 km SSE of Sunol, California on Sun, Aug 31, 1980, 4:40 PM PDT (23:40 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.5 3 km SW of Davenport, California. This one was a foreshock.

Sunol 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1980-08-31 23:40:16 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
37.554° N, 121.878° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
60°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 98 in the 60 days after this one and 73 in the 30 days before it.

After

  1. 1.69 km NE of Gilroy, California · 16832 days ago · 9 km deep · 64 km away
  2. 2.121 km WSW of Volta, California · 16832 days ago · 4 km deep · 86 km away
  3. 1.812 km E of Blackhawk, California · 16831 days ago · 9 km deep · 30 km away
  4. 1.61 km ENE of Aromas, California · 16831 days ago · 5 km deep · 76 km away
  5. 1.615 km SSE of Livermore, California · 16830 days ago · 3 km deep · 17 km away
  6. 2.215 km SE of Livermore, California · 16830 days ago · 2 km deep · 19 km away
  7. 1.66 km SW of Gilroy, California · 16830 days ago · 7 km deep · 68 km away
  8. 2.316 km SE of Livermore, California · 16829 days ago · 2 km deep · 19 km away
  9. 1.66 km WSW of Gilroy, California · 16829 days ago · 3 km deep · 67 km away
  10. 1.69 km NE of Corralitos, California · 16828 days ago · 6 km deep · 58 km away
  11. 1.57 km NE of Milpitas, California · 16828 days ago · 0 km deep · 10 km away
  12. 1.915 km SE of Livermore, California · 16828 days ago · 2 km deep · 19 km away
  13. 1.615 km SE of Livermore, California · 16828 days ago · 2 km deep · 19 km away
  14. 1.7Northern California · 16827 days ago · 2 km deep · 20 km away
  15. 2.1Central California · 16827 days ago · 5 km deep · 77 km away
  16. 2.07 km SSE of Gilroy, California · 16827 days ago · 5 km deep · 74 km away
  17. 1.511 km SW of Brentwood, California · 16826 days ago · 17 km deep · 34 km away
  18. 1.69 km ENE of Gilroy, California · 16826 days ago · 8 km deep · 68 km away
  19. 2.213 km N of Morgan Hill, California · 16826 days ago · 4 km deep · 40 km away
  20. 2.412 km N of Livermore, California · 16825 days ago · 12 km deep · 29 km away
  21. 1.710 km SSW of Brentwood, California · 16823 days ago · 20 km deep · 35 km away
  22. 2.115 km SSE of Livermore, California · 16822 days ago · 3 km deep · 18 km away
  23. 1.710 km SSE of Livermore, California · 16822 days ago · 6 km deep · 16 km away
  24. 2.51 km ESE of Aromas, California · 16822 days ago · 8 km deep · 78 km away
  25. 2.02 km SW of Alamo, California · 16821 days ago · 8 km deep · 35 km away
  26. 2.31 km NE of Piedmont, California · 16821 days ago · 7 km deep · 43 km away
  27. 2.38 km NE of Gilroy, California · 16821 days ago · 6 km deep · 66 km away
  28. 2.09 km ENE of Morgan Hill, California · 16820 days ago · 5 km deep · 52 km away
  29. 1.92 km N of Hollister, California · 16819 days ago · 6 km deep · 86 km away
  30. 1.95 km SSE of San Juan Bautista, California · 16817 days ago · 5 km deep · 90 km away
  31. 1.66 km NE of East Foothills, California · 16816 days ago · 6 km deep · 18 km away
  32. 1.53 km S of San Juan Bautista, California · 16816 days ago · 6 km deep · 88 km away
  33. 1.93 km SW of Lagunitas-Forest Knolls, California · 16815 days ago · 6 km deep · 89 km away
  34. 1.715 km SSE of Livermore, California · 16815 days ago · 3 km deep · 18 km away
  35. 2.13 km ESE of Aromas, California · 16815 days ago · 7 km deep · 79 km away
  36. 2.63 km NNW of Aromas, California · 16815 days ago · 11 km deep · 73 km away
  37. 2.78 km SSE of San Juan Bautista, California · 16814 days ago · 8 km deep · 93 km away
  38. 1.611 km SSW of Brentwood, California · 16813 days ago · 19 km deep · 34 km away
  39. 1.68 km NE of San Martin, California · 16812 days ago · 8 km deep · 56 km away
  40. 1.71 km ENE of Pacheco, California · 16810 days ago · 15 km deep · 51 km away
  41. 2.61 km E of Pacheco, California · 16810 days ago · 14 km deep · 50 km away
  42. 1.72 km NE of Diablo, California · 16810 days ago · 7 km deep · 33 km away
  43. 1.57 km WSW of Gilroy, California · 16809 days ago · 5 km deep · 67 km away
  44. 1.915 km E of Seven Trees, California · 16808 days ago · 6 km deep · 36 km away
  45. 1.69 km NE of Gilroy, California · 16806 days ago · 9 km deep · 64 km away
  46. 2.010 km NNW of Hollister, California · 16805 days ago · 2 km deep · 78 km away
  47. 2.414 km E of Seven Trees, California · 16805 days ago · 6 km deep · 33 km away
  48. 1.95 km SSW of Gilroy, California · 16803 days ago · 6 km deep · 71 km away
  49. 1.92 km W of Cambrian Park, California · 16803 days ago · 8 km deep · 34 km away
  50. 2.35 km SSW of Gilroy, California · 16802 days ago · 6 km deep · 70 km away
  51. 3.11 km WNW of Concord, California · 16802 days ago · 16 km deep · 50 km away
  52. 2.51 km NW of Concord, California · 16801 days ago · 16 km deep · 51 km away
  53. 1.92 km NNW of Concord, California · 16801 days ago · 16 km deep · 51 km away
  54. 1.59 km NNE of Milpitas, California · 16799 days ago · 8 km deep · 6 km away
  55. 1.99 km NE of Gilroy, California · 16799 days ago · 8 km deep · 64 km away
  56. 1.68 km E of Gilroy, California · 16798 days ago · 3 km deep · 71 km away
  57. 1.54 km S of Fairview, California · 16798 days ago · 1 km deep · 18 km away
  58. 1.64 km SE of Hayward, California · 16798 days ago · 1 km deep · 18 km away
  59. 2.06 km NNW of Green Valley, California · 16798 days ago · 10 km deep · 88 km away
  60. 1.87 km NNW of Green Valley, California · 16798 days ago · 10 km deep · 89 km away

The first 60 of 98.

Before

  1. 1.89 km ENE of Gilroy, California · 16834 days ago · 9 km deep · 68 km away
  2. 1.613 km N of Morgan Hill, California · 16834 days ago · 7 km deep · 40 km away
  3. 1.915 km SE of Livermore, California · 16835 days ago · 3 km deep · 19 km away
  4. 2.015 km SE of Livermore, California · 16835 days ago · 2 km deep · 19 km away
  5. 1.716 km SE of Livermore, California · 16835 days ago · 2 km deep · 19 km away
  6. 2.715 km SE of Livermore, California · 16835 days ago · 3 km deep · 19 km away
  7. 1.815 km SE of Livermore, California · 16835 days ago · 3 km deep · 19 km away
  8. 2.115 km SE of Livermore, California · 16835 days ago · 2 km deep · 19 km away
  9. 1.65 km SSW of Gilroy, California · 16835 days ago · 7 km deep · 70 km away
  10. 2.91 km W of Green Valley, California · 16835 days ago · 9 km deep · 82 km away
  11. 2.20 km W of Green Valley, California · 16835 days ago · 10 km deep · 82 km away
  12. 1.615 km SE of Livermore, California · 16836 days ago · 2 km deep · 19 km away
  13. 2.12 km W of Green Valley, California · 16836 days ago · 6 km deep · 82 km away
  14. 1.86 km WSW of Gilroy, California · 16836 days ago · 2 km deep · 66 km away
  15. 2.315 km SE of Livermore, California · 16836 days ago · 3 km deep · 19 km away
  16. 1.717 km ESE of East Foothills, California · 16836 days ago · 6 km deep · 32 km away
  17. 1.61 km NW of Green Valley, California · 16836 days ago · 4 km deep · 83 km away
  18. 1.82 km W of Green Valley, California · 16836 days ago · 5 km deep · 82 km away
  19. 2.41 km SSE of Portola Valley, California · 16836 days ago · 7 km deep · 37 km away
  20. 1.816 km SE of Livermore, California · 16837 days ago · 2 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1055403. Read Sat, Oct 3, 2026, 3:29 AM UTC.