California earthquakes

M2.1 earthquake 3 km E of Berkeley, California

A magnitude 2.1 earthquake struck 3 km E of Berkeley, California on Sat, Sep 22, 1990, 8:54 PM PDT (03:54 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.6 2 km N of Scotts Valley, 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
1990-09-23 03:54:06 UTC
Depth
8.8 km (5.5 mi), shallow
Epicenter
37.868° N, 122.236° 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, 0.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
43°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 93 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 2.26 km E of East Foothills, California · 13161 days ago · 6 km deep · 69 km away
  2. 3.22 km SE of Ladera, California · 13160 days ago · 7 km deep · 54 km away
  3. 1.9Northern California · 13160 days ago · 15 km deep · 20 km away
  4. 2.014 km E of Seven Trees, California · 13159 days ago · 6 km deep · 80 km away
  5. 2.32 km SE of Ladera, California · 13158 days ago · 6 km deep · 54 km away
  6. 3.52 km SE of Ladera, California · 13158 days ago · 7 km deep · 54 km away
  7. 1.721 km SW of Diablo Grande, California · 13157 days ago · 7 km deep · 94 km away
  8. 1.72 km N of Scotts Valley, California · 13156 days ago · 10 km deep · 91 km away
  9. 1.52 km N of Scotts Valley, California · 13156 days ago · 10 km deep · 91 km away
  10. 1.92 km SE of Pittsburg, California · 13155 days ago · 20 km deep · 36 km away
  11. 1.52 km ESE of Zayante, California · 13154 days ago · 8 km deep · 89 km away
  12. 1.62 km N of Scotts Valley, California · 13154 days ago · 10 km deep · 90 km away
  13. 2.12 km N of Scotts Valley, California · 13154 days ago · 11 km deep · 91 km away
  14. 2.54 km S of Lexington Hills, California · 13153 days ago · 14 km deep · 86 km away
  15. 2.37 km NW of Day Valley, California · 13152 days ago · 10 km deep · 91 km away
  16. 1.62 km ENE of Alamo, California · 13151 days ago · 5 km deep · 20 km away
  17. 1.95 km NW of Day Valley, California · 13151 days ago · 15 km deep · 94 km away
  18. 2.51 km NE of Alamo, California · 13150 days ago · 5 km deep · 19 km away
  19. 3.62 km N of Scotts Valley, California · 13149 days ago · 12 km deep · 90 km away
  20. 2.42 km N of Scotts Valley, California · 13149 days ago · 11 km deep · 90 km away
  21. 1.62 km N of Scotts Valley, California · 13149 days ago · 10 km deep · 90 km away
  22. 1.62 km NNE of Scotts Valley, California · 13149 days ago · 10 km deep · 91 km away
  23. 2.01 km S of Lexington Hills, California · 13148 days ago · 9 km deep · 83 km away
  24. 1.86 km WSW of Saratoga, California · 13147 days ago · 7 km deep · 70 km away
  25. 2.916 km N of Morgan Hill, California · 13145 days ago · 8 km deep · 84 km away
  26. 1.716 km E of Seven Trees, California · 13145 days ago · 7 km deep · 83 km away
  27. 1.99 km SSE of Elmira, California · 13144 days ago · 5 km deep · 54 km away
  28. 3.212 km WSW of Byron, California · 13144 days ago · 16 km deep · 42 km away
  29. 1.512 km E of Blackhawk, California · 13144 days ago · 16 km deep · 42 km away
  30. 1.84 km ESE of Kenwood, California · 13143 days ago · 1 km deep · 64 km away
  31. 3.04 km NNW of Day Valley, California · 13141 days ago · 13 km deep · 94 km away
  32. 1.93 km E of San Leandro, California · 13141 days ago · 4 km deep · 19 km away
  33. 2.1Northern California · 13141 days ago · 4 km deep · 19 km away
  34. 3.50 km SW of Crockett, California · 13140 days ago · 12 km deep · 20 km away
  35. 2.31 km W of Crockett, California · 13140 days ago · 10 km deep · 20 km away
  36. 2.5Northern California · 13139 days ago · 11 km deep · 90 km away
  37. 1.86 km ENE of Santa Rosa, California · 13139 days ago · 1 km deep · 74 km away
  38. 1.9Northern California · 13138 days ago · 2 km deep · 74 km away
  39. 2.25 km ENE of Santa Rosa, California · 13138 days ago · 1 km deep · 74 km away
  40. 1.915 km E of Seven Trees, California · 13138 days ago · 5 km deep · 83 km away
  41. 2.16 km ENE of Santa Rosa, California · 13138 days ago · 1 km deep · 75 km away
  42. 1.67 km WSW of Davenport, California · 13137 days ago · 6 km deep · 98 km away
  43. 1.915 km E of Seven Trees, California · 13137 days ago · 6 km deep · 81 km away
  44. 1.77 km S of Muir Beach, California · 13135 days ago · 11 km deep · 31 km away
  45. 3.0Northern California · 13135 days ago · 7 km deep · 14 km away
  46. 1.78 km ESE of Lexington Hills, California · 13134 days ago · 3 km deep · 88 km away
  47. 2.02 km WNW of Broadmoor, California · 13134 days ago · 8 km deep · 31 km away
  48. 1.511 km E of Blackhawk, California · 13133 days ago · 13 km deep · 41 km away
  49. 2.16 km NNE of Day Valley, California · 13133 days ago · 4 km deep · 93 km away
  50. 2.31 km SSW of Lexington Hills, California · 13132 days ago · 12 km deep · 83 km away
  51. 1.73 km NNW of Larkfield-Wikiup, California · 13132 days ago · 5 km deep · 88 km away
  52. 2.62 km WNW of Broadmoor, California · 13131 days ago · 8 km deep · 31 km away
  53. 1.52 km W of Broadmoor, California · 13131 days ago · 8 km deep · 31 km away
  54. 2.414 km SSE of Livermore, California · 13131 days ago · 3 km deep · 59 km away
  55. 1.6Northern California · 13131 days ago · 3 km deep · 59 km away
  56. 2.425 km WNW of Diablo Grande, California · 13131 days ago · 7 km deep · 75 km away
  57. 1.714 km SSE of Livermore, California · 13131 days ago · 3 km deep · 59 km away
  58. 1.712 km ESE of Hidden Valley Lake, California · 13131 days ago · 5 km deep · 99 km away
  59. 2.02 km ENE of Alamo, California · 13130 days ago · 3 km deep · 20 km away
  60. 2.16 km NE of East Foothills, California · 13129 days ago · 8 km deep · 63 km away

The first 60 of 93.

Before

  1. 2.06 km NE of East Foothills, California · 13162 days ago · 10 km deep · 63 km away
  2. 2.38 km N of East Foothills, California · 13164 days ago · 6 km deep · 59 km away
  3. 1.62 km E of North Gate, California · 13165 days ago · 8 km deep · 24 km away
  4. 2.16 km NE of East Foothills, California · 13166 days ago · 7 km deep · 64 km away
  5. 1.9Northern California · 13166 days ago · 13 km deep · 95 km away
  6. 2.117 km SSE of Livermore, California · 13167 days ago · 7 km deep · 61 km away
  7. 1.510 km NE of Blackhawk, California · 13168 days ago · 7 km deep · 36 km away
  8. 1.6Northern California · 13170 days ago · 6 km deep · 49 km away
  9. 1.64 km ENE of Saint Helena, California · 13170 days ago · 13 km deep · 74 km away
  10. 1.57 km SW of Monte Sereno, California · 13171 days ago · 13 km deep · 76 km away
  11. 1.616 km SE of Livermore, California · 13172 days ago · 7 km deep · 61 km away
  12. 1.79 km ESE of Lexington Hills, California · 13172 days ago · 2 km deep · 89 km away
  13. 1.810 km NE of Angwin, California · 13172 days ago · 4 km deep · 86 km away
  14. 1.94 km WNW of Day Valley, California · 13172 days ago · 16 km deep · 95 km away
  15. 1.83 km NNW of Diablo, California · 13174 days ago · 0 km deep · 23 km away
  16. 1.95 km SE of Sunol, California · 13175 days ago · 6 km deep · 49 km away
  17. 1.95 km SE of Sunol, California · 13175 days ago · 6 km deep · 49 km away
  18. 1.513 km NNW of Moskowite Corner, California · 13175 days ago · 5 km deep · 76 km away
  19. 2.25 km SE of Sunol, California · 13176 days ago · 6 km deep · 49 km away
  20. 2.5Northern California · 13176 days ago · 5 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc164557. Read Sun, Oct 4, 2026, 8:15 PM UTC.