California earthquakes

M1.8 earthquake 5 km ENE of Sunol, California

A magnitude 1.8 earthquake struck 5 km ENE of Sunol, California on Mon, Apr 7, 1980, 2:52 PM PST (22:52 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.7 7 km SSE of San Juan Bautista, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1980-04-07 22:52:14 UTC
Depth
12.8 km (8.0 mi), shallow
Epicenter
37.614° N, 121.836° 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 0.3 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
87°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 1.94 km E of Sunol, California · 16977 days ago · 10 km deep · 1 km away
  2. 1.511 km E of Blackhawk, California · 16977 days ago · 13 km deep · 25 km away
  3. 2.09 km NE of Gilroy, California · 16977 days ago · 9 km deep · 67 km away
  4. 2.85 km SSE of San Juan Bautista, California · 16977 days ago · 7 km deep · 95 km away
  5. 1.917 km NE of East Foothills, California · 16977 days ago · 5 km deep · 18 km away
  6. 1.82 km ESE of North Gate, California · 16977 days ago · 12 km deep · 34 km away
  7. 2.06 km NNW of Green Valley, California · 16977 days ago · 10 km deep · 83 km away
  8. 1.68 km N of Morgan Hill, California · 16976 days ago · 5 km deep · 48 km away
  9. 3.34 km ENE of Sunol, California · 16976 days ago · 15 km deep · 0 km away
  10. 1.51 km WSW of Concord, California · 16976 days ago · 10 km deep · 44 km away
  11. 2.34 km ENE of Sunol, California · 16976 days ago · 12 km deep · 1 km away
  12. 1.89 km ESE of East Foothills, California · 16976 days ago · 8 km deep · 30 km away
  13. 1.64 km ENE of Sunol, California · 16976 days ago · 13 km deep · 0 km away
  14. 2.22 km WSW of Hollister, California · 16975 days ago · 3 km deep · 93 km away
  15. 2.1Northern California · 16975 days ago · 10 km deep · 54 km away
  16. 2.012 km N of Livermore, California · 16974 days ago · 13 km deep · 22 km away
  17. 1.91 km NNW of Dublin, California · 16974 days ago · 9 km deep · 14 km away
  18. 1.61 km NNW of Dublin, California · 16974 days ago · 9 km deep · 15 km away
  19. 1.52 km SW of Vallejo, California · 16974 days ago · 1 km deep · 65 km away
  20. 1.77 km NNE of Hollister, California · 16974 days ago · 6 km deep · 89 km away
  21. 1.611 km NNE of Livermore, California · 16973 days ago · 12 km deep · 21 km away
  22. 1.58 km ENE of San Martin, California · 16972 days ago · 8 km deep · 62 km away
  23. 4.77 km SSE of San Juan Bautista, California · 16972 days ago · 8 km deep · 96 km away
  24. 1.86 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 96 km away
  25. 3.25 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  26. 1.95 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  27. 1.64 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 94 km away
  28. 1.5Central California · 16972 days ago · 6 km deep · 97 km away
  29. 2.97 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 97 km away
  30. 2.05 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  31. 3.28 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 97 km away
  32. 2.79 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 98 km away
  33. 2.17 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 97 km away
  34. 2.18 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 98 km away
  35. 1.95 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 95 km away
  36. 1.57 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 97 km away
  37. 1.76 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 96 km away
  38. 2.06 km SSE of San Juan Bautista, California · 16972 days ago · 8 km deep · 96 km away
  39. 1.812 km WSW of Byron, California · 16972 days ago · 9 km deep · 22 km away
  40. 1.93 km SSE of Loyola, California · 16972 days ago · 5 km deep · 39 km away
  41. 2.75 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  42. 3.18 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 98 km away
  43. 1.98 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 98 km away
  44. 2.05 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  45. 2.07 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 97 km away
  46. 1.917 km ESE of East Foothills, California · 16972 days ago · 6 km deep · 35 km away
  47. 3.15 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  48. 2.25 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  49. 1.76 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 96 km away
  50. 2.06 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 96 km away
  51. 1.77 km SSE of San Juan Bautista, California · 16972 days ago · 5 km deep · 96 km away
  52. 1.75 km SSE of San Juan Bautista, California · 16972 days ago · 6 km deep · 95 km away
  53. 1.9Central California · 16972 days ago · 6 km deep · 95 km away
  54. 2.45 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 95 km away
  55. 3.04 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 94 km away
  56. 2.011 km SW of Brentwood, California · 16972 days ago · 5 km deep · 28 km away
  57. 2.05 km SSE of San Juan Bautista, California · 16972 days ago · 7 km deep · 94 km away
  58. 3.28 km SSE of San Juan Bautista, California · 16971 days ago · 8 km deep · 98 km away
  59. 2.08 km SSE of San Juan Bautista, California · 16971 days ago · 7 km deep · 98 km away
  60. 2.24 km SSE of San Juan Bautista, California · 16971 days ago · 7 km deep · 94 km away

The first 60 of 166.

Before

  1. 3.53 km N of Piedmont, California · 16978 days ago · 7 km deep · 44 km away
  2. 1.610 km E of Blackhawk, California · 16979 days ago · 13 km deep · 23 km away
  3. 1.7Central California · 16979 days ago · 5 km deep · 92 km away
  4. 2.13 km SSE of Loyola, California · 16979 days ago · 5 km deep · 39 km away
  5. 1.612 km SW of Byron, California · 16979 days ago · 11 km deep · 22 km away
  6. 1.6Central California · 16980 days ago · 7 km deep · 89 km away
  7. 1.95 km ENE of Sunol, California · 16980 days ago · 14 km deep · 0 km away
  8. 1.55 km ENE of Sunol, California · 16980 days ago · 15 km deep · 0 km away
  9. 2.28 km N of Hollister, California · 16980 days ago · 9 km deep · 86 km away
  10. 1.55 km ESE of San Ramon, California · 16980 days ago · 6 km deep · 18 km away
  11. 2.15 km ESE of San Ramon, California · 16980 days ago · 7 km deep · 18 km away
  12. 1.95 km SW of Gilroy, California · 16981 days ago · 5 km deep · 73 km away
  13. 2.811 km NNE of Livermore, California · 16981 days ago · 13 km deep · 21 km away
  14. 1.68 km SSE of San Juan Bautista, California · 16981 days ago · 6 km deep · 98 km away
  15. 2.22 km NNW of Aromas, California · 16981 days ago · 11 km deep · 80 km away
  16. 1.89 km ENE of Gilroy, California · 16981 days ago · 9 km deep · 70 km away
  17. 1.69 km NE of Gilroy, California · 16982 days ago · 8 km deep · 69 km away
  18. 2.37 km ENE of Gilroy, California · 16982 days ago · 4 km deep · 71 km away
  19. 1.87 km E of Santa Venetia, California · 16983 days ago · 6 km deep · 68 km away
  20. 1.911 km ENE of Blackhawk, California · 16983 days ago · 10 km deep · 26 km away

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From the USGS Earthquake Hazards Program and its partner networks, event nc1051997. Read Thu, Oct 1, 2026, 10:01 AM UTC.