California earthquakes

M3.3 earthquake 2 km SSW of Dublin, California

A magnitude 3.3 earthquake struck 2 km SSW of Dublin, California on Sat, Aug 21, 1982, 7:31 AM PDT (14:31 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 8 km N of East Foothills, California. This one was a foreshock.

Dublin 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
3.3 (ml), minor
Local time
UTC
1982-08-21 14:31:25 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
37.678° N, 121.950° 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, 0.3 km in depth
Depth from
From location
Station coverage gap
32°
Stations used
62

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 1.813 km SE of Livermore, California · 16108 days ago · 6 km deep · 28 km away
  2. 1.69 km NNW of Hollister, California · 16107 days ago · 5 km deep · 94 km away
  3. 1.714 km NNE of Morgan Hill, California · 16106 days ago · 7 km deep · 57 km away
  4. 1.92 km NNW of Kensington, California · 16106 days ago · 9 km deep · 41 km away
  5. 1.87 km E of East Foothills, California · 16106 days ago · 9 km deep · 37 km away
  6. 3.98 km N of East Foothills, California · 16105 days ago · 6 km deep · 27 km away
  7. 1.91 km N of Orinda, California · 16104 days ago · 6 km deep · 31 km away
  8. 2.75 km SSW of Gilroy, California · 16103 days ago · 4 km deep · 86 km away
  9. 1.814 km E of East Foothills, California · 16102 days ago · 5 km deep · 40 km away
  10. 1.710 km E of Blackhawk, California · 16102 days ago · 10 km deep · 22 km away
  11. 3.812 km E of Blackhawk, California · 16102 days ago · 15 km deep · 24 km away
  12. 2.311 km E of Blackhawk, California · 16102 days ago · 11 km deep · 23 km away
  13. 2.611 km E of Blackhawk, California · 16102 days ago · 14 km deep · 23 km away
  14. 1.610 km E of Blackhawk, California · 16101 days ago · 10 km deep · 22 km away
  15. 1.810 km E of Blackhawk, California · 16101 days ago · 10 km deep · 23 km away
  16. 1.55 km NNE of Kenwood, California · 16101 days ago · 5 km deep · 100 km away
  17. 1.97 km WSW of Gilroy, California · 16100 days ago · 5 km deep · 82 km away
  18. 2.17 km WSW of Gilroy, California · 16100 days ago · 5 km deep · 82 km away
  19. 2.03 km NE of Fremont, California · 16100 days ago · 9 km deep · 12 km away
  20. 1.65 km WSW of Green Valley, California · 16099 days ago · 5 km deep · 67 km away
  21. 2.31 km SSE of Concord, California · 16098 days ago · 12 km deep · 33 km away
  22. 1.70 km N of Pittsburg, California · 16097 days ago · 16 km deep · 40 km away
  23. 1.72 km E of East Foothills, California · 16093 days ago · 4 km deep · 36 km away
  24. 1.98 km ENE of Milpitas, California · 16093 days ago · 2 km deep · 27 km away
  25. 2.30 km SE of Concord, California · 16092 days ago · 7 km deep · 34 km away
  26. 1.74 km WNW of Newman, California · 16092 days ago · 12 km deep · 87 km away
  27. 1.710 km ENE of Blackhawk, California · 16092 days ago · 12 km deep · 23 km away
  28. 1.65 km WNW of Newman, California · 16092 days ago · 5 km deep · 86 km away
  29. 1.811 km NW of Moskowite Corner, California · 16091 days ago · -1 km deep · 98 km away
  30. 2.16 km WSW of Gilroy, California · 16090 days ago · 5 km deep · 82 km away
  31. 1.515 km N of Morgan Hill, California · 16088 days ago · 6 km deep · 53 km away
  32. 3.16 km ENE of East Foothills, California · 16087 days ago · 8 km deep · 34 km away
  33. 1.86 km ENE of East Foothills, California · 16087 days ago · 7 km deep · 35 km away
  34. 2.23 km WSW of Clayton, California · 16087 days ago · 13 km deep · 28 km away
  35. 2.07 km NNE of East Foothills, California · 16083 days ago · 7 km deep · 29 km away
  36. 2.411 km ESE of East Foothills, California · 16082 days ago · 8 km deep · 43 km away
  37. 1.82 km ENE of Inverness, California · 16080 days ago · 2 km deep · 91 km away
  38. 1.89 km N of East Foothills, California · 16080 days ago · 6 km deep · 27 km away
  39. 1.79 km NE of San Martin, California · 16079 days ago · 8 km deep · 71 km away
  40. 1.914 km N of Morgan Hill, California · 16079 days ago · 5 km deep · 54 km away
  41. 1.711 km NNW of Hollister, California · 16075 days ago · 7 km deep · 92 km away
  42. 1.64 km ESE of San Ramon, California · 16075 days ago · 8 km deep · 9 km away
  43. 1.93 km W of Livermore, California · 16073 days ago · 14 km deep · 12 km away
  44. 1.817 km NE of East Foothills, California · 16073 days ago · 7 km deep · 29 km away
  45. 2.15 km SSW of Gilroy, California · 16073 days ago · 4 km deep · 86 km away
  46. 1.84 km WSW of Moskowite Corner, California · 16072 days ago · 9 km deep · 88 km away
  47. 1.86 km WSW of Gilroy, California · 16072 days ago · 5 km deep · 82 km away
  48. 1.513 km N of Morgan Hill, California · 16071 days ago · 7 km deep · 53 km away
  49. 2.08 km ENE of Gilroy, California · 16071 days ago · 8 km deep · 81 km away
  50. 1.55 km SE of Cambrian Park, California · 16071 days ago · 0 km deep · 52 km away
  51. 2.210 km SW of Brentwood, California · 16067 days ago · 15 km deep · 25 km away
  52. 2.13 km ENE of Berkeley, California · 16067 days ago · 9 km deep · 34 km away
  53. 1.58 km ESE of East Foothills, California · 16066 days ago · 7 km deep · 41 km away
  54. 2.19 km ENE of San Martin, California · 16065 days ago · 7 km deep · 73 km away
  55. 1.614 km E of Seven Trees, California · 16060 days ago · 3 km deep · 49 km away
  56. 1.71 km NE of Pacheco, California · 16060 days ago · 14 km deep · 37 km away
  57. 2.04 km NNE of Fremont, California · 16059 days ago · 9 km deep · 11 km away
  58. 2.43 km NNE of East Foothills, California · 16056 days ago · 3 km deep · 33 km away
  59. 1.67 km ESE of East Foothills, California · 16056 days ago · 2 km deep · 40 km away
  60. 1.73 km ENE of Alamo, California · 16056 days ago · 10 km deep · 21 km away

The first 60 of 71.

Before

  1. 1.80 km SSE of Concord, California · 16110 days ago · 13 km deep · 33 km away
  2. 3.31 km SW of Dublin, California · 16110 days ago · 10 km deep · 1 km away
  3. 1.60 km SSE of Concord, California · 16111 days ago · 11 km deep · 33 km away
  4. 1.912 km WSW of Byron, California · 16111 days ago · 15 km deep · 23 km away
  5. 1.71 km S of Concord, California · 16111 days ago · 11 km deep · 32 km away
  6. 1.72 km SW of Dublin, California · 16111 days ago · 9 km deep · 1 km away
  7. 4.58 km NE of Corralitos, California · 16112 days ago · 12 km deep · 74 km away
  8. 4.313km W of Bonny Doon, CA · 16112 days ago · 14 km deep · 78 km away
  9. 2.70 km SE of Concord, California · 16112 days ago · 14 km deep · 33 km away
  10. 2.05 km NE of Aromas, California · 16113 days ago · 6 km deep · 90 km away
  11. 1.98 km WSW of Gilroy, California · 16114 days ago · 3 km deep · 81 km away
  12. 1.98 km ENE of Interlaken, California · 16114 days ago · 3 km deep · 81 km away
  13. 1.68 km N of Day Valley, California · 16115 days ago · 12 km deep · 63 km away
  14. 1.54 km NNE of Vine Hill, California · 16116 days ago · 16 km deep · 42 km away
  15. 2.44 km SW of Green Valley, California · 16116 days ago · 12 km deep · 64 km away
  16. 1.97 km NE of Interlaken, California · 16116 days ago · 3 km deep · 80 km away
  17. 1.68 km WSW of Gilroy, California · 16117 days ago · 2 km deep · 81 km away
  18. 1.610 km SSW of Santa Cruz, California · 16119 days ago · 4 km deep · 89 km away
  19. 2.812 km WSW of Byron, California · 16119 days ago · 16 km deep · 23 km away
  20. 1.55 km ESE of East Foothills, California · 16120 days ago · 2 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077845 (also filed as usp0001p66). Read Sun, Sep 27, 2026, 8:25 PM UTC.