California earthquakes

M1.7 earthquake 1 km ENE of Pacheco, California

A magnitude 1.7 earthquake struck 1 km ENE of Pacheco, California on Wed, Jul 7, 1982, 5:37 AM PDT (12:37 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M1.7 3 km WSW of Oakville, California. This one was a foreshock.

Pacheco forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1982-07-07 12:37:45 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
37.991° N, 122.059° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
77°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 1.73 km WSW of Oakville, California · 16148 days ago · 7 km deep · 59 km away
  2. 1.710 km S of Muir Beach, California · 16147 days ago · 11 km deep · 51 km away
  3. 1.68 km SSW of Livermore, California · 16146 days ago · 5 km deep · 49 km away
  4. 2.43 km WSW of Moskowite Corner, California · 16145 days ago · 9 km deep · 51 km away
  5. 1.6Northern California · 16144 days ago · 11 km deep · 36 km away
  6. 2.85 km WSW of Moskowite Corner, California · 16144 days ago · 10 km deep · 52 km away
  7. 1.612 km ENE of Angwin, California · 16143 days ago · -1 km deep · 72 km away
  8. 2.02 km ESE of Deer Park, California · 16143 days ago · 11 km deep · 68 km away
  9. 1.65 km S of Port Costa, California · 16143 days ago · 10 km deep · 12 km away
  10. 1.79 km ESE of East Foothills, California · 16143 days ago · 8 km deep · 77 km away
  11. 1.82 km SW of American Canyon, California · 16140 days ago · 9 km deep · 26 km away
  12. 2.47 km SW of Brentwood, California · 16139 days ago · 7 km deep · 30 km away
  13. 1.75 km NE of East Foothills, California · 16136 days ago · 6 km deep · 68 km away
  14. 1.64 km SW of Courtland, California · 16136 days ago · 1 km deep · 53 km away
  15. 1.63 km ESE of Union City, California · 16135 days ago · 5 km deep · 45 km away
  16. 1.96 km S of Monument Hills, California · 16135 days ago · 6 km deep · 70 km away
  17. 1.6Northern California · 16135 days ago · 2 km deep · 48 km away
  18. 1.513 km NNW of Moskowite Corner, California · 16135 days ago · 3 km deep · 65 km away
  19. 1.715 km NNE of Morgan Hill, California · 16134 days ago · 6 km deep · 90 km away
  20. 1.91 km WNW of Concord, California · 16133 days ago · 14 km deep · 2 km away
  21. 2.011 km SW of Brentwood, California · 16132 days ago · 16 km deep · 29 km away
  22. 1.614 km ENE of East Foothills, California · 16130 days ago · 5 km deep · 72 km away
  23. 1.77 km ESE of Clayton, California · 16130 days ago · 14 km deep · 20 km away
  24. 1.89 km N of Rio Vista, California · 16130 days ago · 15 km deep · 43 km away
  25. 2.21 km ENE of San Ramon, California · 16125 days ago · 9 km deep · 24 km away
  26. 2.29 km ESE of East Foothills, California · 16123 days ago · 8 km deep · 78 km away
  27. 1.73 km SW of Rutherford, California · 16122 days ago · 4 km deep · 60 km away
  28. 1.515 km SE of Livermore, California · 16121 days ago · 2 km deep · 59 km away
  29. 1.92 km SE of Pacifica, California · 16121 days ago · 10 km deep · 57 km away
  30. 1.9Northern California · 16117 days ago · 3 km deep · 72 km away
  31. 2.71 km NW of Rollingwood, California · 16117 days ago · 7 km deep · 25 km away
  32. 1.83 km WNW of Daly City, California · 16116 days ago · 5 km deep · 49 km away
  33. 2.02 km NW of Glen Ellen, California · 16115 days ago · 8 km deep · 61 km away
  34. 1.82 km NNW of Glen Ellen, California · 16115 days ago · 10 km deep · 61 km away
  35. 1.92 km NW of Glen Ellen, California · 16115 days ago · 9 km deep · 60 km away
  36. 1.55 km ESE of East Foothills, California · 16115 days ago · 2 km deep · 74 km away
  37. 2.812 km WSW of Byron, California · 16114 days ago · 16 km deep · 31 km away
  38. 2.44 km SW of Green Valley, California · 16111 days ago · 12 km deep · 28 km away
  39. 1.54 km NNE of Vine Hill, California · 16111 days ago · 16 km deep · 6 km away
  40. 1.68 km N of Day Valley, California · 16110 days ago · 12 km deep · 99 km away
  41. 2.70 km SE of Concord, California · 16107 days ago · 14 km deep · 4 km away
  42. 1.72 km SW of Dublin, California · 16106 days ago · 9 km deep · 35 km away
  43. 1.71 km S of Concord, California · 16106 days ago · 11 km deep · 4 km away
  44. 1.912 km WSW of Byron, California · 16106 days ago · 15 km deep · 32 km away
  45. 1.60 km SSE of Concord, California · 16106 days ago · 11 km deep · 4 km away
  46. 3.31 km SW of Dublin, California · 16105 days ago · 10 km deep · 35 km away
  47. 1.80 km SSE of Concord, California · 16105 days ago · 13 km deep · 4 km away
  48. 3.32 km SSW of Dublin, California · 16103 days ago · 10 km deep · 36 km away
  49. 1.813 km SE of Livermore, California · 16103 days ago · 6 km deep · 56 km away
  50. 1.714 km NNE of Morgan Hill, California · 16101 days ago · 7 km deep · 92 km away
  51. 1.92 km NNW of Kensington, California · 16101 days ago · 9 km deep · 21 km away
  52. 1.87 km E of East Foothills, California · 16101 days ago · 9 km deep · 73 km away
  53. 3.98 km N of East Foothills, California · 16100 days ago · 6 km deep · 63 km away
  54. 1.91 km N of Orinda, California · 16099 days ago · 6 km deep · 15 km away
  55. 1.814 km E of East Foothills, California · 16097 days ago · 5 km deep · 74 km away
  56. 1.710 km E of Blackhawk, California · 16097 days ago · 10 km deep · 30 km away
  57. 3.812 km E of Blackhawk, California · 16097 days ago · 15 km deep · 30 km away
  58. 2.311 km E of Blackhawk, California · 16097 days ago · 11 km deep · 31 km away
  59. 2.611 km E of Blackhawk, California · 16097 days ago · 14 km deep · 30 km away
  60. 1.610 km E of Blackhawk, California · 16096 days ago · 10 km deep · 30 km away

The first 60 of 67.

Before

  1. 2.014 km NNE of Morgan Hill, California · 16151 days ago · 4 km deep · 93 km away
  2. 1.52 km NE of El Cerrito, California · 16151 days ago · 6 km deep · 21 km away
  3. 1.71 km NNW of Larkfield-Wikiup, California · 16152 days ago · 5 km deep · 86 km away
  4. 2.58 km SSW of Livermore, California · 16155 days ago · 7 km deep · 49 km away
  5. 2.220 km ESE of East Foothills, California · 16157 days ago · 6 km deep · 85 km away
  6. 1.82 km ENE of San Leandro, California · 16157 days ago · 9 km deep · 29 km away
  7. 2.49 km ESE of East Foothills, California · 16158 days ago · 7 km deep · 77 km away
  8. 1.75 km E of American Canyon, California · 16159 days ago · 9 km deep · 25 km away
  9. 1.53 km E of Windsor, California · 16160 days ago · 4 km deep · 88 km away
  10. 1.61 km N of Castro Valley, California · 16162 days ago · 10 km deep · 31 km away
  11. 1.714 km N of Morgan Hill, California · 16164 days ago · 6 km deep · 89 km away
  12. 1.910 km ESE of East Foothills, California · 16164 days ago · 8 km deep · 78 km away
  13. 2.110 km ESE of East Foothills, California · 16164 days ago · 7 km deep · 78 km away
  14. 2.37 km S of Dunnigan, California · 16166 days ago · 13 km deep · 92 km away
  15. 1.86 km SE of Sunol, California · 16167 days ago · 9 km deep · 52 km away
  16. 2.016 km E of East Foothills, California · 16169 days ago · 7 km deep · 78 km away
  17. 1.76 km ENE of Eldridge, California · 16169 days ago · 6 km deep · 55 km away
  18. 1.92 km S of Angwin, California · 16170 days ago · 12 km deep · 71 km away
  19. 1.614 km ESE of East Foothills, California · 16171 days ago · 6 km deep · 82 km away
  20. 1.93 km E of Windsor, California · 16171 days ago · 2 km deep · 89 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076007. Read Tue, Sep 22, 2026, 8:36 PM UTC.