California earthquakes

M2.6 earthquake 3 km ENE of Berkeley, California

A magnitude 2.6 earthquake struck 3 km ENE of Berkeley, California on Thu, Dec 8, 1977, 10:04 AM PST (18:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.7 5 km WNW of Broadmoor, 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
2.6 (md), micro
Local time
UTC
1977-12-08 18:04:21 UTC
Depth
9.9 km (6.2 mi), shallow
Epicenter
37.878° N, 122.239° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
34°
Stations used
58

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 52 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 1.72 km ENE of Berkeley, California · 17820 days ago · 8 km deep · 1 km away
  2. 2.75 km WNW of Broadmoor, California · 17819 days ago · 3 km deep · 33 km away
  3. 1.613 km N of Morgan Hill, California · 17819 days ago · 5 km deep · 88 km away
  4. 2.512 km ESE of East Foothills, California · 17817 days ago · 7 km deep · 78 km away
  5. 3.612 km ESE of East Foothills, California · 17816 days ago · 7 km deep · 78 km away
  6. 1.712 km ESE of East Foothills, California · 17816 days ago · 6 km deep · 78 km away
  7. 2.412 km ESE of East Foothills, California · 17816 days ago · 7 km deep · 78 km away
  8. 2.15 km WNW of Broadmoor, California · 17815 days ago · 5 km deep · 33 km away
  9. 2.26 km WNW of Napa, California · 17815 days ago · 6 km deep · 50 km away
  10. 2.37 km ENE of Vallejo, California · 17811 days ago · 0 km deep · 28 km away
  11. 1.712 km ESE of East Foothills, California · 17811 days ago · 7 km deep · 78 km away
  12. 1.712 km NNE of Angwin, California · 17810 days ago · 10 km deep · 91 km away
  13. 2.41 km NW of Concord, California · 17808 days ago · 16 km deep · 21 km away
  14. 2.15 km WNW of Broadmoor, California · 17808 days ago · 6 km deep · 33 km away
  15. 1.80 km E of Larkfield-Wikiup, California · 17807 days ago · 2 km deep · 83 km away
  16. 1.94 km W of San Leandro, California · 17806 days ago · 7 km deep · 17 km away
  17. 2.22 km WSW of Portola Valley, California · 17806 days ago · 10 km deep · 56 km away
  18. 2.27 km E of East Foothills, California · 17806 days ago · 6 km deep · 72 km away
  19. 1.710 km ESE of East Foothills, California · 17805 days ago · 7 km deep · 76 km away
  20. 1.68 km NE of Milpitas, California · 17805 days ago · 7 km deep · 57 km away
  21. 1.623 km WNW of Diablo Grande, California · 17804 days ago · 2 km deep · 78 km away
  22. 1.714 km E of Seven Trees, California · 17803 days ago · 3 km deep · 82 km away
  23. 2.17 km WNW of Broadmoor, California · 17802 days ago · 4 km deep · 34 km away
  24. 2.36 km ESE of East Foothills, California · 17799 days ago · 2 km deep · 71 km away
  25. 2.79 km NNE of Larkfield-Wikiup, California · 17792 days ago · 3 km deep · 89 km away
  26. 2.810 km NE of Healdsburg, California · 17789 days ago · 6 km deep · 99 km away
  27. 1.614 km E of Seven Trees, California · 17789 days ago · 2 km deep · 82 km away
  28. 2.410 km NE of Healdsburg, California · 17788 days ago · 5 km deep · 99 km away
  29. 1.80 km ESE of Fairview, California · 17787 days ago · 10 km deep · 29 km away
  30. 2.110 km NE of Healdsburg, California · 17786 days ago · 3 km deep · 99 km away
  31. 1.71 km S of Diablo, California · 17786 days ago · 12 km deep · 26 km away
  32. 1.96 km SSE of Moskowite Corner, California · 17785 days ago · 4 km deep · 57 km away
  33. 2.51 km S of Diablo, California · 17785 days ago · 14 km deep · 25 km away
  34. 2.32 km SSW of Monument Hills, California · 17785 days ago · 10 km deep · 91 km away
  35. 1.93 km NE of Santa Rosa, California · 17784 days ago · 8 km deep · 76 km away
  36. 2.12 km SW of Los Altos Hills, California · 17783 days ago · 7 km deep · 58 km away
  37. 2.12 km WSW of San Ramon, California · 17783 days ago · 9 km deep · 24 km away
  38. 1.93 km N of Union City, California · 17780 days ago · 5 km deep · 34 km away
  39. 2.66 km WNW of Broadmoor, California · 17779 days ago · 5 km deep · 33 km away
  40. 1.921 km SW of Diablo Grande, California · 17776 days ago · 7 km deep · 94 km away
  41. 2.12 km E of North Gate, California · 17775 days ago · 13 km deep · 24 km away
  42. 2.02 km E of North Gate, California · 17775 days ago · 13 km deep · 24 km away
  43. 2.52 km E of North Gate, California · 17775 days ago · 14 km deep · 24 km away
  44. 1.74 km N of Union City, California · 17775 days ago · 7 km deep · 33 km away
  45. 1.611 km ENE of Healdsburg, California · 17771 days ago · 5 km deep · 98 km away
  46. 1.93 km E of Saint Helena, California · 17770 days ago · 11 km deep · 72 km away
  47. 1.97 km SW of Calistoga, California · 17768 days ago · 5 km deep · 80 km away
  48. 2.08 km S of Calistoga, California · 17765 days ago · 7 km deep · 76 km away
  49. 1.92 km E of North Gate, California · 17764 days ago · 14 km deep · 24 km away
  50. 1.72 km E of North Gate, California · 17764 days ago · 14 km deep · 24 km away
  51. 2.410 km SW of Brentwood, California · 17762 days ago · 20 km deep · 42 km away
  52. 2.31 km W of Angwin, California · 17762 days ago · 8 km deep · 80 km away

Before

  1. 2.414 km ENE of East Foothills, California · 17821 days ago · 8 km deep · 71 km away
  2. 1.74 km NNE of San Leandro, California · 17822 days ago · 5 km deep · 16 km away
  3. 1.61 km NNW of Pleasant Hill, California · 17823 days ago · 9 km deep · 17 km away
  4. 1.71 km NNE of East Richmond Heights, California · 17823 days ago · 9 km deep · 11 km away
  5. 1.710 km NE of Healdsburg, California · 17824 days ago · 5 km deep · 100 km away
  6. 3.010 km NE of Healdsburg, California · 17824 days ago · 6 km deep · 100 km away
  7. 2.17 km SW of Calistoga, California · 17825 days ago · 6 km deep · 79 km away
  8. 1.68 km W of Saint Helena, California · 17825 days ago · 6 km deep · 75 km away
  9. 2.18 km SE of Blackhawk, California · 17826 days ago · 3 km deep · 38 km away
  10. 2.08 km ESE of East Foothills, California · 17826 days ago · 8 km deep · 73 km away
  11. 2.18 km SE of Blackhawk, California · 17826 days ago · 3 km deep · 37 km away
  12. 2.47 km E of East Foothills, California · 17827 days ago · 6 km deep · 71 km away
  13. 1.911 km ESE of Suisun, California · 17828 days ago · 7 km deep · 45 km away
  14. 2.0Northern California · 17828 days ago · 5 km deep · 99 km away
  15. 1.7Northern California · 17828 days ago · 7 km deep · 100 km away
  16. 1.66 km ENE of Santa Rosa, California · 17829 days ago · 6 km deep · 73 km away
  17. 1.912 km ESE of East Foothills, California · 17830 days ago · 6 km deep · 78 km away
  18. 2.110 km ENE of Healdsburg, California · 17831 days ago · 5 km deep · 98 km away
  19. 2.54 km N of Morgan Hill, California · 17832 days ago · 7 km deep · 94 km away
  20. 3.34 km N of Morgan Hill, California · 17832 days ago · 7 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038058. Read Tue, Sep 22, 2026, 10:51 AM UTC.