California earthquakes

M2.1 earthquake 3 km ESE of Berkeley, California

A magnitude 2.1 earthquake struck 3 km ESE of Berkeley, California on Sat, Jul 17, 1976, 1:26 AM PDT (08:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 2 km NNE of San Ramon, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-07-17 08:26:44 UTC
Depth
10.1 km (6.3 mi), shallow
Epicenter
37.860° N, 122.232° 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, 0.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
65°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 1.72 km SSW of Campbell, California · 18340 days ago · 8 km deep · 70 km away
  2. 3.13 km SSW of Loyola, California · 18339 days ago · 6 km deep · 61 km away
  3. 1.93 km SSW of Loyola, California · 18339 days ago · 6 km deep · 61 km away
  4. 2.112 km N of Morgan Hill, California · 18339 days ago · 5 km deep · 87 km away
  5. 2.31 km N of Pittsburg, California · 18337 days ago · 16 km deep · 37 km away
  6. 2.08 km NE of East Foothills, California · 18336 days ago · 4 km deep · 64 km away
  7. 2.41 km SW of Mountain View, California · 18334 days ago · 0 km deep · 55 km away
  8. 1.613 km ESE of Alum Rock, California · 18334 days ago · 6 km deep · 77 km away
  9. 2.016 km E of Seven Trees, California · 18330 days ago · 6 km deep · 82 km away
  10. 1.73 km SSE of Portola Valley, California · 18330 days ago · 9 km deep · 56 km away
  11. 2.93 km ENE of Pittsburg, California · 18329 days ago · 5 km deep · 39 km away
  12. 1.82 km SSW of Blackhawk, California · 18329 days ago · 15 km deep · 28 km away
  13. 2.56 km NNE of Rohnert Park, California · 18328 days ago · 6 km deep · 70 km away
  14. 2.17 km NE of San Martin, California · 18328 days ago · 5 km deep · 100 km away
  15. 2.07 km SE of Alum Rock, California · 18328 days ago · 3 km deep · 73 km away
  16. 1.85 km N of Windsor, California · 18326 days ago · 5 km deep · 96 km away
  17. 2.29 km NW of Moskowite Corner, California · 18324 days ago · 13 km deep · 71 km away
  18. 1.86 km NNE of Morgan Hill, California · 18323 days ago · 4 km deep · 92 km away
  19. 1.812 km N of Morgan Hill, California · 18323 days ago · 7 km deep · 86 km away
  20. 1.73 km W of Portola Valley, California · 18321 days ago · 10 km deep · 54 km away
  21. 2.33 km W of Portola Valley, California · 18321 days ago · 9 km deep · 54 km away
  22. 2.63 km W of Portola Valley, California · 18321 days ago · 9 km deep · 53 km away
  23. 2.27 km N of Castro Valley, California · 18320 days ago · 5 km deep · 18 km away
  24. 1.65 km N of Morgan Hill, California · 18320 days ago · 1 km deep · 91 km away
  25. 3.10 km NNW of Rollingwood, California · 18319 days ago · 7 km deep · 15 km away
  26. 2.26 km SE of Sunol, California · 18319 days ago · 11 km deep · 49 km away
  27. 3.43 km SSE of Lexington Hills, California · 18316 days ago · 4 km deep · 84 km away
  28. 1.89 km NE of San Martin, California · 18315 days ago · 9 km deep · 100 km away
  29. 3.812 km NE of San Martin, California · 18314 days ago · 6 km deep · 99 km away
  30. 2.011 km NE of San Martin, California · 18314 days ago · 3 km deep · 99 km away
  31. 3.412 km NE of San Martin, California · 18314 days ago · 4 km deep · 99 km away
  32. 2.311 km NE of San Martin, California · 18314 days ago · 4 km deep · 99 km away
  33. 1.82 km NW of Larkfield-Wikiup, California · 18313 days ago · 3 km deep · 88 km away
  34. 2.911 km NE of San Martin, California · 18312 days ago · 4 km deep · 99 km away
  35. 2.93 km NNE of San Ramon, California · 18311 days ago · 9 km deep · 25 km away
  36. 3.02 km NE of San Ramon, California · 18311 days ago · 9 km deep · 25 km away
  37. 1.92 km NNE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  38. 1.62 km NNE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  39. 1.52 km NE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  40. 3.02 km NNE of San Ramon, California · 18311 days ago · 9 km deep · 24 km away
  41. 1.62 km NE of San Ramon, California · 18311 days ago · 1 km deep · 25 km away
  42. 2.52 km NE of San Ramon, California · 18311 days ago · 9 km deep · 25 km away
  43. 2.32 km NE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  44. 1.92 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  45. 1.82 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  46. 1.92 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  47. 1.92 km NE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  48. 1.52 km NE of San Ramon, California · 18311 days ago · 7 km deep · 26 km away
  49. 1.82 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  50. 3.32 km NNE of San Ramon, California · 18311 days ago · 9 km deep · 24 km away
  51. 1.92 km NE of San Ramon, California · 18311 days ago · 6 km deep · 25 km away
  52. 3.52 km NNE of San Ramon, California · 18311 days ago · 7 km deep · 24 km away
  53. 1.81 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  54. 2.52 km NNE of San Ramon, California · 18311 days ago · 9 km deep · 24 km away
  55. 1.72 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  56. 1.62 km NE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away
  57. 1.72 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  58. 2.32 km NE of San Ramon, California · 18311 days ago · 7 km deep · 25 km away
  59. 3.02 km NNE of San Ramon, California · 18311 days ago · 8 km deep · 24 km away
  60. 2.32 km NE of San Ramon, California · 18311 days ago · 8 km deep · 25 km away

The first 60 of 188.

Before

  1. 1.87 km SE of Sunol, California · 18341 days ago · 6 km deep · 50 km away
  2. 2.16 km E of Livermore, California · 18341 days ago · 1 km deep · 52 km away
  3. 2.05 km ESE of Livermore, California · 18341 days ago · 0 km deep · 51 km away
  4. 2.05 km ENE of Seven Trees, California · 18342 days ago · 8 km deep · 72 km away
  5. 2.19 km ENE of Milpitas, California · 18343 days ago · 5 km deep · 57 km away
  6. 1.814 km N of Morgan Hill, California · 18344 days ago · 7 km deep · 84 km away
  7. 2.21 km ENE of Blackhawk, California · 18344 days ago · 2 km deep · 30 km away
  8. 3.44 km NNE of Pittsburg, California · 18344 days ago · 5 km deep · 39 km away
  9. 2.218 km NE of East Foothills, California · 18345 days ago · 8 km deep · 65 km away
  10. 2.57 km SSW of Sunol, California · 18345 days ago · 8 km deep · 46 km away
  11. 2.38 km N of East Foothills, California · 18346 days ago · 7 km deep · 59 km away
  12. 1.912 km SE of Hidden Valley Lake, California · 18347 days ago · 2 km deep · 100 km away
  13. 1.913 km ENE of East Foothills, California · 18347 days ago · 5 km deep · 69 km away
  14. 1.79 km NNE of Larkfield-Wikiup, California · 18347 days ago · 7 km deep · 91 km away
  15. 2.21 km NE of Blackhawk, California · 18347 days ago · 2 km deep · 30 km away
  16. 1.86 km ENE of La Honda, California · 18347 days ago · 9 km deep · 59 km away
  17. 2.321 km ENE of East Foothills, California · 18348 days ago · 8 km deep · 69 km away
  18. 1.56 km E of La Honda, California · 18349 days ago · 8 km deep · 59 km away
  19. 2.73 km NNE of San Leandro, California · 18349 days ago · 5 km deep · 15 km away
  20. 1.96 km E of La Honda, California · 18350 days ago · 8 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1030502. Read Sat, Oct 3, 2026, 3:08 PM UTC.