California earthquakes

M2.2 earthquake 12 km WSW of Byron, California

A magnitude 2.2 earthquake struck 12 km WSW of Byron, California on Tue, Oct 19, 1982, 1:13 PM PDT (20:13 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 8 km NE of Corralitos, California. This one was a foreshock.

Byron 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
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-10-19 20:13:39 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
37.809° N, 121.762° 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
±0.14
Depth from
From location
Station coverage gap
84°
Stations used
48

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 26 in the 30 days before it.

After

  1. 3.78 km NE of Corralitos, California · 16054 days ago · 12 km deep · 86 km away
  2. 1.66 km WSW of Eldridge, California · 16054 days ago · 8 km deep · 91 km away
  3. 2.312 km NE of Morgan Hill, California · 16051 days ago · 6 km deep · 69 km away
  4. 1.610 km S of Muir Beach, California · 16047 days ago · 13 km deep · 71 km away
  5. 1.87 km S of Sunol, California · 16045 days ago · 7 km deep · 34 km away
  6. 1.89 km E of San Martin, California · 16042 days ago · 8 km deep · 83 km away
  7. 1.710 km SE of Livermore, California · 16041 days ago · 4 km deep · 23 km away
  8. 2.13 km SSW of Green Valley, California · 16038 days ago · 11 km deep · 59 km away
  9. 3.23 km W of Moskowite Corner, California · 16038 days ago · 8 km deep · 82 km away
  10. 2.53 km W of Livermore, California · 16037 days ago · 15 km deep · 15 km away
  11. 2.03 km W of Livermore, California · 16036 days ago · 14 km deep · 15 km away
  12. 2.03 km W of Livermore, California · 16036 days ago · 15 km deep · 15 km away
  13. 1.518 km NW of Diablo Grande, California · 16035 days ago · 4 km deep · 44 km away
  14. 1.518 km E of Seven Trees, California · 16033 days ago · 4 km deep · 58 km away
  15. 2.33 km ESE of Los Gatos, California · 16033 days ago · 10 km deep · 68 km away
  16. 1.9Northern California · 16032 days ago · 3 km deep · 33 km away
  17. 1.61 km ENE of East Richmond Heights, California · 16032 days ago · 7 km deep · 50 km away
  18. 2.311 km ESE of Gilroy, California · 16031 days ago · 4 km deep · 96 km away
  19. 3.09 km NNE of East Foothills, California · 16028 days ago · 9 km deep · 39 km away
  20. 1.711 km SW of Brentwood, California · 16027 days ago · 15 km deep · 4 km away
  21. 2.211 km NNE of Morgan Hill, California · 16023 days ago · 5 km deep · 65 km away
  22. 2.08 km E of Seven Trees, California · 16023 days ago · 6 km deep · 59 km away
  23. 2.19 km E of San Martin, California · 16021 days ago · 8 km deep · 84 km away
  24. 1.72 km ESE of Pittsburg, California · 16021 days ago · 16 km deep · 25 km away
  25. 1.52 km SW of Dublin, California · 16020 days ago · 9 km deep · 22 km away
  26. 1.917 km NE of East Foothills, California · 16016 days ago · 7 km deep · 34 km away
  27. 3.33 km N of Green Valley, California · 16016 days ago · 10 km deep · 63 km away
  28. 2.42 km N of Green Valley, California · 16016 days ago · 8 km deep · 63 km away
  29. 1.92 km WSW of Green Valley, California · 16016 days ago · 12 km deep · 61 km away
  30. 2.222 km SE of Livermore, California · 16013 days ago · 5 km deep · 33 km away
  31. 2.021 km SE of Livermore, California · 16013 days ago · 4 km deep · 32 km away
  32. 1.61 km NNW of Diablo, California · 16013 days ago · 8 km deep · 19 km away
  33. 1.67 km NNE of Pleasanton, California · 16011 days ago · 9 km deep · 12 km away
  34. 2.09 km NE of Milpitas, California · 16011 days ago · 7 km deep · 37 km away
  35. 2.5Northern California · 16010 days ago · 6 km deep · 82 km away
  36. 1.69 km ESE of East Foothills, California · 16009 days ago · 8 km deep · 51 km away
  37. 1.69 km ESE of East Foothills, California · 16009 days ago · 8 km deep · 51 km away
  38. 1.65 km ESE of Sunol, California · 16008 days ago · 10 km deep · 26 km away
  39. 2.87 km W of Brentwood, California · 16007 days ago · 14 km deep · 14 km away
  40. 1.65 km N of Pittsburg, California · 16007 days ago · 19 km deep · 32 km away
  41. 1.610 km WSW of Brentwood, California · 16007 days ago · 8 km deep · 12 km away
  42. 1.79 km ENE of Gilroy, California · 16006 days ago · 8 km deep · 89 km away
  43. 2.31 km SSW of Fairview, California · 16005 days ago · 8 km deep · 30 km away
  44. 3.14 km ESE of Interlaken, California · 16005 days ago · 12 km deep · 97 km away
  45. 1.94 km ESE of Interlaken, California · 16005 days ago · 10 km deep · 97 km away
  46. 2.49 km NNE of San Martin, California · 16001 days ago · 6 km deep · 75 km away
  47. 1.61 km S of Communications Hill, California · 16001 days ago · 4 km deep · 60 km away
  48. 2.77 km SSE of Gilroy, California · 16001 days ago · 6 km deep · 98 km away
  49. 2.25 km NNW of Pittsburg, California · 16001 days ago · 17 km deep · 32 km away
  50. 1.74 km S of Fairview, California · 16001 days ago · 4 km deep · 31 km away
  51. 2.218 km NE of East Foothills, California · 16000 days ago · 6 km deep · 33 km away
  52. 2.016 km E of Seven Trees, California · 15999 days ago · 7 km deep · 59 km away

Before

  1. 1.95 km NNE of San Martin, California · 16054 days ago · 4 km deep · 77 km away
  2. 1.610 km E of Blackhawk, California · 16055 days ago · 16 km deep · 3 km away
  3. 2.41 km NE of Danville, California · 16056 days ago · 7 km deep · 20 km away
  4. 1.94 km N of Kenwood, California · 16058 days ago · 5 km deep · 99 km away
  5. 1.85 km SW of Gilroy, California · 16059 days ago · 3 km deep · 94 km away
  6. 1.73 km ENE of Alamo, California · 16060 days ago · 10 km deep · 21 km away
  7. 1.67 km ESE of East Foothills, California · 16061 days ago · 2 km deep · 50 km away
  8. 2.43 km NNE of East Foothills, California · 16061 days ago · 3 km deep · 44 km away
  9. 2.04 km NNE of Fremont, California · 16064 days ago · 9 km deep · 31 km away
  10. 1.71 km NE of Pacheco, California · 16065 days ago · 14 km deep · 34 km away
  11. 1.614 km E of Seven Trees, California · 16065 days ago · 3 km deep · 58 km away
  12. 2.19 km ENE of San Martin, California · 16070 days ago · 7 km deep · 80 km away
  13. 1.58 km ESE of East Foothills, California · 16070 days ago · 7 km deep · 50 km away
  14. 2.13 km ENE of Berkeley, California · 16071 days ago · 9 km deep · 43 km away
  15. 2.210 km SW of Brentwood, California · 16072 days ago · 15 km deep · 5 km away
  16. 1.55 km SE of Cambrian Park, California · 16075 days ago · 0 km deep · 67 km away
  17. 2.08 km ENE of Gilroy, California · 16076 days ago · 8 km deep · 88 km away
  18. 1.513 km N of Morgan Hill, California · 16076 days ago · 7 km deep · 62 km away
  19. 1.86 km WSW of Gilroy, California · 16077 days ago · 5 km deep · 92 km away
  20. 1.84 km WSW of Moskowite Corner, California · 16077 days ago · 9 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1080512. Read Fri, Oct 2, 2026, 1:22 PM UTC.