California earthquakes

M1.9 earthquake 2 km E of Berkeley, California

A magnitude 1.9 earthquake struck 2 km E of Berkeley, California on Sat, Apr 16, 1977, 11:14 PM PST (07:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.8 13 km N of Pittsburg, 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
1.9 (md), micro
Local time
UTC
1977-04-17 07:14:51 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
37.872° N, 122.240° 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, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
49°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 1.810 km NW of Morgan Hill, California · 18062 days ago · 6 km deep · 87 km away
  2. 1.714 km N of Morgan Hill, California · 18056 days ago · 4 km deep · 86 km away
  3. 1.813 km E of East Foothills, California · 18054 days ago · 8 km deep · 76 km away
  4. 1.97 km ESE of Fremont, California · 18053 days ago · 0 km deep · 49 km away
  5. 1.78 km S of Muir Beach, California · 18053 days ago · 8 km deep · 32 km away
  6. 2.113 km E of East Foothills, California · 18051 days ago · 8 km deep · 76 km away
  7. 1.5Northern California · 18051 days ago · 7 km deep · 50 km away
  8. 2.746 km SW of Inverness, California · 18050 days ago · 0 km deep · 87 km away
  9. 1.94 km S of Crockett, California · 18050 days ago · 9 km deep · 16 km away
  10. 3.213 km N of Pittsburg, California · 18046 days ago · 20 km deep · 43 km away
  11. 1.93 km SE of La Honda, California · 18046 days ago · 8 km deep · 64 km away
  12. 2.413 km N of Pittsburg, California · 18046 days ago · 21 km deep · 42 km away
  13. 2.613 km N of Pittsburg, California · 18046 days ago · 20 km deep · 44 km away
  14. 1.82 km E of Scotts Valley, California · 18045 days ago · 8 km deep · 94 km away
  15. 3.313 km N of Pittsburg, California · 18045 days ago · 20 km deep · 43 km away
  16. 2.213 km SE of Suisun, California · 18045 days ago · 19 km deep · 42 km away
  17. 1.812 km SE of Suisun, California · 18045 days ago · 0 km deep · 40 km away
  18. 2.115 km SE of Suisun, California · 18045 days ago · 18 km deep · 44 km away
  19. 2.313 km N of Pittsburg, California · 18044 days ago · 20 km deep · 44 km away
  20. 2.013 km N of Pittsburg, California · 18044 days ago · 20 km deep · 44 km away
  21. 1.72 km ENE of San Leandro, California · 18044 days ago · 3 km deep · 18 km away
  22. 2.813 km N of Pittsburg, California · 18043 days ago · 20 km deep · 43 km away
  23. 1.713 km N of Pittsburg, California · 18039 days ago · 18 km deep · 43 km away
  24. 1.610 km N of Morgan Hill, California · 18038 days ago · 6 km deep · 88 km away
  25. 2.713 km N of Pittsburg, California · 18035 days ago · 21 km deep · 42 km away
  26. 1.612 km SE of Suisun, California · 18035 days ago · 6 km deep · 41 km away
  27. 2.16 km N of East Foothills, California · 18034 days ago · 5 km deep · 61 km away
  28. 1.79 km NNE of East Foothills, California · 18028 days ago · 8 km deep · 62 km away
  29. 1.99 km S of Calistoga, California · 18025 days ago · 7 km deep · 75 km away
  30. 1.73 km NNW of Larkfield-Wikiup, California · 18021 days ago · 3 km deep · 87 km away
  31. 2.25 km WSW of Moskowite Corner, California · 18020 days ago · 6 km deep · 61 km away
  32. 3.113 km N of Pittsburg, California · 18019 days ago · 20 km deep · 43 km away
  33. 2.312 km NNW of Pittsburg, California · 18019 days ago · 22 km deep · 42 km away
  34. 2.014 km N of Pittsburg, California · 18019 days ago · 19 km deep · 44 km away
  35. 2.113 km N of Pittsburg, California · 18018 days ago · 19 km deep · 43 km away
  36. 1.614 km N of Morgan Hill, California · 18016 days ago · 0 km deep · 85 km away
  37. 1.89 km NNW of Kenwood, California · 18015 days ago · 7 km deep · 76 km away
  38. 3.813 km N of Pittsburg, California · 18015 days ago · 20 km deep · 43 km away
  39. 1.914 km N of Pittsburg, California · 18015 days ago · 16 km deep · 44 km away
  40. 3.013 km N of Pittsburg, California · 18015 days ago · 20 km deep · 43 km away
  41. 2.015 km ESE of Suisun, California · 18015 days ago · 19 km deep · 45 km away
  42. 2.413 km N of Pittsburg, California · 18015 days ago · 20 km deep · 44 km away
  43. 1.914 km N of Pittsburg, California · 18015 days ago · 21 km deep · 45 km away
  44. 1.813 km N of Pittsburg, California · 18015 days ago · 20 km deep · 44 km away
  45. 1.712 km SE of Suisun, California · 18014 days ago · 6 km deep · 42 km away
  46. 2.6Northern California · 18014 days ago · 21 km deep · 43 km away
  47. 1.814 km N of Pittsburg, California · 18014 days ago · 17 km deep · 44 km away
  48. 2.115 km ESE of Suisun, California · 18014 days ago · 18 km deep · 45 km away
  49. 2.113 km N of Pittsburg, California · 18013 days ago · 21 km deep · 44 km away
  50. 2.013 km N of Pittsburg, California · 18013 days ago · 19 km deep · 44 km away
  51. 1.915 km N of Pittsburg, California · 18013 days ago · 20 km deep · 45 km away
  52. 3.014 km N of Pittsburg, California · 18013 days ago · 18 km deep · 44 km away
  53. 1.87 km SSW of Calistoga, California · 18010 days ago · 3 km deep · 79 km away
  54. 1.85 km WSW of Glen Ellen, California · 18010 days ago · 7 km deep · 60 km away
  55. 2.05 km SW of Glen Ellen, California · 18009 days ago · 8 km deep · 59 km away
  56. 2.17 km E of East Foothills, California · 18007 days ago · 6 km deep · 71 km away
  57. 1.714 km E of Seven Trees, California · 18007 days ago · 3 km deep · 82 km away
  58. 2.616 km W of Diablo Grande, California · 18006 days ago · 6 km deep · 87 km away
  59. 1.613 km E of Seven Trees, California · 18006 days ago · 5 km deep · 81 km away
  60. 2.07 km SSW of Calistoga, California · 18004 days ago · 3 km deep · 79 km away

Before

  1. 2.121 km ENE of East Foothills, California · 18067 days ago · 7 km deep · 70 km away
  2. 2.310 km N of Pittsburg, California · 18068 days ago · 21 km deep · 43 km away
  3. 2.411 km N of Pittsburg, California · 18068 days ago · 23 km deep · 42 km away
  4. 1.52 km WNW of Cambrian Park, California · 18070 days ago · 8 km deep · 72 km away
  5. 2.012 km N of Morgan Hill, California · 18072 days ago · 5 km deep · 89 km away
  6. 2.07 km WSW of Kenwood, California · 18072 days ago · 10 km deep · 67 km away
  7. 1.97 km WSW of Kenwood, California · 18072 days ago · 9 km deep · 67 km away
  8. 1.810 km ENE of Blackhawk, California · 18073 days ago · 5 km deep · 38 km away
  9. 2.14 km SSE of Fairview, California · 18074 days ago · 4 km deep · 32 km away
  10. 2.411 km ENE of Blackhawk, California · 18074 days ago · 11 km deep · 40 km away
  11. 2.215 km SW of Tracy, California · 18074 days ago · 3 km deep · 67 km away
  12. 2.38 km NNE of Pittsburg, California · 18075 days ago · 20 km deep · 43 km away
  13. 1.82 km WNW of Cambrian Park, California · 18075 days ago · 8 km deep · 72 km away
  14. 1.82 km WNW of Cambrian Park, California · 18075 days ago · 7 km deep · 72 km away
  15. 2.59 km NNW of Boulder Creek, California · 18075 days ago · 5 km deep · 75 km away
  16. 2.92 km WNW of Cambrian Park, California · 18076 days ago · 8 km deep · 72 km away
  17. 2.02 km W of Cambrian Park, California · 18079 days ago · 7 km deep · 73 km away
  18. 3.02 km WNW of Cambrian Park, California · 18079 days ago · 9 km deep · 72 km away
  19. 2.32 km SSW of Campbell, California · 18079 days ago · 7 km deep · 72 km away
  20. 2.72 km WNW of Cambrian Park, California · 18079 days ago · 9 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034845. Read Wed, Sep 30, 2026, 9:47 PM UTC.