California earthquakes

M1.6 earthquake 7 km NNE of Pleasanton, California

A magnitude 1.6 earthquake struck 7 km NNE of Pleasanton, California on Wed, Dec 1, 1982, 12:24 AM PST (08:24 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.0 9 km NE of Milpitas, California. This one was a foreshock.

Pleasanton 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
1.6 (md), micro
Local time
UTC
1982-12-01 08:24:45 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
37.729° N, 121.851° 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, 0.4 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
62°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.09 km NE of Milpitas, California · 16001 days ago · 7 km deep · 28 km away
  2. 2.5Northern California · 16000 days ago · 6 km deep · 86 km away
  3. 1.69 km ESE of East Foothills, California · 16000 days ago · 8 km deep · 43 km away
  4. 1.69 km ESE of East Foothills, California · 16000 days ago · 8 km deep · 43 km away
  5. 1.65 km ESE of Sunol, California · 15999 days ago · 10 km deep · 16 km away
  6. 2.87 km W of Brentwood, California · 15997 days ago · 14 km deep · 24 km away
  7. 1.65 km N of Pittsburg, California · 15997 days ago · 19 km deep · 39 km away
  8. 1.610 km WSW of Brentwood, California · 15997 days ago · 8 km deep · 21 km away
  9. 1.79 km ENE of Gilroy, California · 15996 days ago · 8 km deep · 84 km away
  10. 2.31 km SSW of Fairview, California · 15995 days ago · 8 km deep · 19 km away
  11. 3.14 km ESE of Interlaken, California · 15995 days ago · 12 km deep · 89 km away
  12. 1.94 km ESE of Interlaken, California · 15995 days ago · 10 km deep · 89 km away
  13. 2.49 km NNE of San Martin, California · 15992 days ago · 6 km deep · 69 km away
  14. 1.61 km S of Communications Hill, California · 15992 days ago · 4 km deep · 51 km away
  15. 1.723 km NE of Hollister, California · 15992 days ago · 0 km deep · 100 km away
  16. 2.77 km SSE of Gilroy, California · 15991 days ago · 6 km deep · 92 km away
  17. 2.25 km NNW of Pittsburg, California · 15991 days ago · 17 km deep · 38 km away
  18. 1.74 km S of Fairview, California · 15991 days ago · 4 km deep · 19 km away
  19. 2.218 km NE of East Foothills, California · 15991 days ago · 6 km deep · 28 km away
  20. 1.723 km NE of Hollister, California · 15990 days ago · 0 km deep · 100 km away
  21. 2.016 km E of Seven Trees, California · 15989 days ago · 7 km deep · 52 km away
  22. 3.29 km NE of San Juan Bautista, California · 15989 days ago · 5 km deep · 96 km away
  23. 1.921 km SE of Livermore, California · 15983 days ago · 8 km deep · 30 km away
  24. 1.71 km NE of Pleasant Hill, California · 15983 days ago · 9 km deep · 30 km away
  25. 1.613 km S of Mountain House, California · 15983 days ago · 0 km deep · 27 km away
  26. 1.65 km SSW of Gilroy, California · 15983 days ago · 7 km deep · 89 km away
  27. 3.04 km ESE of Interlaken, California · 15981 days ago · 11 km deep · 90 km away
  28. 2.88 km NE of Gilroy, California · 15981 days ago · 4 km deep · 81 km away
  29. 1.95 km WSW of Gilroy, California · 15979 days ago · 4 km deep · 86 km away
  30. 1.93 km SE of Piedmont, California · 15978 days ago · 9 km deep · 31 km away
  31. 2.04 km SSW of Gilroy, California · 15976 days ago · 6 km deep · 88 km away
  32. 2.09 km N of Hollister, California · 15975 days ago · 8 km deep · 96 km away
  33. 2.48 km ESE of East Foothills, California · 15974 days ago · 6 km deep · 43 km away
  34. 2.24 km NNW of Benicia, California · 15973 days ago · 7 km deep · 49 km away
  35. 2.46 km WSW of Gilroy, California · 15973 days ago · 3 km deep · 85 km away
  36. 1.81 km E of Union City, California · 15973 days ago · 7 km deep · 20 km away
  37. 1.74 km SSE of Fairview, California · 15971 days ago · 7 km deep · 19 km away
  38. 1.91 km ENE of Piedmont, California · 15970 days ago · 7 km deep · 34 km away
  39. 1.612 km NNW of Moskowite Corner, California · 15970 days ago · 2 km deep · 97 km away
  40. 1.610 km SW of Brentwood, California · 15967 days ago · 16 km deep · 15 km away
  41. 1.89 km N of Moskowite Corner, California · 15967 days ago · 10 km deep · 94 km away
  42. 1.713 km NNW of Moskowite Corner, California · 15966 days ago · 3 km deep · 98 km away
  43. 1.77 km NW of Moskowite Corner, California · 15966 days ago · 2 km deep · 92 km away
  44. 2.53 km NNE of Dixon, California · 15966 days ago · 30 km deep · 83 km away
  45. 2.96 km NE of East Foothills, California · 15965 days ago · 9 km deep · 36 km away
  46. 1.53 km NNE of Bay Point, California · 15963 days ago · 19 km deep · 37 km away
  47. 2.27 km WSW of Moskowite Corner, California · 15963 days ago · 13 km deep · 86 km away
  48. 2.56 km ENE of East Foothills, California · 15962 days ago · 7 km deep · 37 km away
  49. 1.63 km NNE of Pacifica, California · 15961 days ago · 10 km deep · 55 km away
  50. 1.91 km SE of Danville, California · 15961 days ago · 6 km deep · 15 km away
  51. 1.72 km WSW of Broadmoor, California · 15961 days ago · 12 km deep · 58 km away
  52. 1.615 km SE of Livermore, California · 15960 days ago · 1 km deep · 25 km away
  53. 1.69 km N of Hollister, California · 15959 days ago · 7 km deep · 96 km away
  54. 2.06 km NNE of East Foothills, California · 15958 days ago · 5 km deep · 33 km away
  55. 1.7Northern California · 15956 days ago · 6 km deep · 46 km away
  56. 1.93 km NNE of San Leandro, California · 15951 days ago · 4 km deep · 26 km away
  57. 2.09 km ENE of Morgan Hill, California · 15949 days ago · 4 km deep · 68 km away
  58. 2.3Northern California · 15947 days ago · 6 km deep · 97 km away
  59. 1.63 km SSE of Portola Valley, California · 15945 days ago · 10 km deep · 53 km away
  60. 1.611 km ESE of Seven Trees, California · 15944 days ago · 6 km deep · 54 km away

The first 60 of 66.

Before

  1. 1.61 km NNW of Diablo, California · 16003 days ago · 8 km deep · 17 km away
  2. 2.021 km SE of Livermore, California · 16004 days ago · 4 km deep · 31 km away
  3. 2.222 km SE of Livermore, California · 16004 days ago · 5 km deep · 32 km away
  4. 1.92 km WSW of Green Valley, California · 16006 days ago · 12 km deep · 64 km away
  5. 2.42 km N of Green Valley, California · 16007 days ago · 8 km deep · 67 km away
  6. 3.33 km N of Green Valley, California · 16007 days ago · 10 km deep · 67 km away
  7. 1.917 km NE of East Foothills, California · 16007 days ago · 7 km deep · 28 km away
  8. 1.52 km SW of Dublin, California · 16010 days ago · 9 km deep · 10 km away
  9. 1.94 km ESE of Aromas, California · 16011 days ago · 6 km deep · 99 km away
  10. 1.72 km ESE of Pittsburg, California · 16011 days ago · 16 km deep · 33 km away
  11. 1.98 km N of Hollister, California · 16012 days ago · 7 km deep · 97 km away
  12. 2.19 km E of San Martin, California · 16012 days ago · 8 km deep · 78 km away
  13. 2.08 km E of Seven Trees, California · 16013 days ago · 6 km deep · 51 km away
  14. 2.211 km NNE of Morgan Hill, California · 16014 days ago · 5 km deep · 59 km away
  15. 1.711 km SW of Brentwood, California · 16018 days ago · 15 km deep · 15 km away
  16. 3.09 km NNE of East Foothills, California · 16018 days ago · 9 km deep · 31 km away
  17. 2.311 km ESE of Gilroy, California · 16022 days ago · 4 km deep · 91 km away
  18. 1.61 km ENE of East Richmond Heights, California · 16022 days ago · 7 km deep · 46 km away
  19. 1.9Northern California · 16022 days ago · 3 km deep · 25 km away
  20. 2.33 km ESE of Los Gatos, California · 16023 days ago · 10 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1082519. Read Tue, Sep 22, 2026, 10:31 PM UTC.