California earthquakes

M2.5 earthquake 7 km SSE of Suisun, California

A magnitude 2.5 earthquake struck 7 km SSE of Suisun, California on Fri, Jul 12, 1985, 5:37 AM PDT (12:37 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.0 5 km SW of Cobb, 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
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-07-12 12:37:01 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
38.178° N, 121.997° 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, 4.3 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
115°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.75 km SW of Cobb, California · 15058 days ago · 0 km deep · 95 km away
  2. 1.73 km SW of Cobb, California · 15058 days ago · 1 km deep · 95 km away
  3. 1.514 km NE of East Foothills, California · 15058 days ago · 5 km deep · 83 km away
  4. 2.426 km WNW of Diablo Grande, California · 15057 days ago · 5 km deep · 85 km away
  5. 2.16 km WSW of Eldridge, California · 15057 days ago · 6 km deep · 53 km away
  6. 2.36 km ESE of Suisun, California · 15057 days ago · 5 km deep · 4 km away
  7. 1.7Northern California · 15057 days ago · 6 km deep · 53 km away
  8. 1.65 km SSE of Cobb, California · 15057 days ago · 16 km deep · 90 km away
  9. 1.612 km N of Livermore, California · 15056 days ago · 13 km deep · 48 km away
  10. 1.58 km WSW of Cobb, California · 15056 days ago · 3 km deep · 99 km away
  11. 1.66 km WSW of Cobb, California · 15055 days ago · 3 km deep · 98 km away
  12. 2.34 km WSW of Cobb, California · 15054 days ago · 1 km deep · 97 km away
  13. 1.67 km WSW of Cobb, California · 15054 days ago · 1 km deep · 98 km away
  14. 1.86 km W of Cobb, California · 15054 days ago · 3 km deep · 100 km away
  15. 2.26 km W of Cobb, California · 15054 days ago · 3 km deep · 100 km away
  16. 1.96 km NW of Daly City, California · 15054 days ago · 5 km deep · 67 km away
  17. 1.96 km WSW of Cobb, California · 15053 days ago · 3 km deep · 99 km away
  18. 2.57 km W of Cobb, California · 15053 days ago · 3 km deep · 100 km away
  19. 1.84 km E of Kensington, California · 15053 days ago · 6 km deep · 36 km away
  20. 1.76 km W of Cobb, California · 15053 days ago · 3 km deep · 99 km away
  21. 1.625 km WNW of Diablo Grande, California · 15052 days ago · 4 km deep · 86 km away
  22. 2.06 km WSW of Cobb, California · 15051 days ago · 1 km deep · 98 km away
  23. 1.86 km WSW of Cobb, California · 15051 days ago · 1 km deep · 98 km away
  24. 2.85 km W of Cobb, California · 15051 days ago · 0 km deep · 99 km away
  25. 1.85 km W of Cobb, California · 15051 days ago · 0 km deep · 99 km away
  26. 1.67 km WSW of Cobb, California · 15051 days ago · 1 km deep · 98 km away
  27. 1.713 km NE of Hidden Valley Lake, California · 15050 days ago · 14 km deep · 87 km away
  28. 1.66 km W of Glen Ellen, California · 15049 days ago · 3 km deep · 57 km away
  29. 2.91 km WSW of Stinson Beach, California · 15048 days ago · 10 km deep · 66 km away
  30. 1.90 km ENE of Pittsburg, California · 15048 days ago · 18 km deep · 20 km away
  31. 2.66 km NW of Broadmoor, California · 15046 days ago · 6 km deep · 70 km away
  32. 1.79 km ESE of Hidden Valley Lake, California · 15045 days ago · 7 km deep · 78 km away
  33. 1.78 km SW of Cobb, California · 15045 days ago · 3 km deep · 96 km away
  34. 1.66 km W of Cobb, California · 15045 days ago · 3 km deep · 99 km away
  35. 3.57 km WSW of Cobb, California · 15044 days ago · 2 km deep · 99 km away
  36. 3.57 km WSW of Cobb, California · 15044 days ago · 3 km deep · 99 km away
  37. 1.97 km WSW of Cobb, California · 15044 days ago · 1 km deep · 99 km away
  38. 1.87 km WSW of Cobb, California · 15044 days ago · 1 km deep · 99 km away
  39. 1.67 km W of Cobb, California · 15043 days ago · 1 km deep · 100 km away
  40. 1.95 km SW of Cobb, California · 15042 days ago · 0 km deep · 95 km away
  41. 2.15 km WSW of Cobb, California · 15041 days ago · 0 km deep · 97 km away
  42. 3.35 km WSW of Cobb, California · 15041 days ago · 0 km deep · 97 km away
  43. 1.76 km WSW of Cobb, California · 15041 days ago · 0 km deep · 97 km away
  44. 2.63 km E of Berkeley, California · 15039 days ago · 10 km deep · 40 km away
  45. 1.76 km W of Cobb, California · 15038 days ago · 3 km deep · 99 km away
  46. 1.75 km NW of San Leandro, California · 15038 days ago · 12 km deep · 49 km away
  47. 1.53 km SSW of Cobb, California · 15035 days ago · 1 km deep · 95 km away
  48. 2.52 km E of Berkeley, California · 15035 days ago · 9 km deep · 40 km away
  49. 2.02 km SSW of Portola Valley, California · 15034 days ago · 8 km deep · 94 km away
  50. 1.62 km SSW of Portola Valley, California · 15034 days ago · 8 km deep · 93 km away
  51. 2.26 km WSW of Cobb, California · 15033 days ago · 0 km deep · 98 km away
  52. 2.14 km WSW of Cobb, California · 15032 days ago · 1 km deep · 97 km away
  53. 2.31 km NNW of Pleasant Hill, California · 15032 days ago · 9 km deep · 25 km away
  54. 1.613 km SSE of Livermore, California · 15032 days ago · 5 km deep · 72 km away
  55. 1.66 km WSW of Cobb, California · 15032 days ago · 0 km deep · 98 km away
  56. 1.77 km NNE of East Foothills, California · 15031 days ago · 5 km deep · 85 km away
  57. 1.66 km SW of Cobb, California · 15031 days ago · 0 km deep · 96 km away
  58. 3.25 km SW of Cobb, California · 15031 days ago · 2 km deep · 96 km away
  59. 4.05 km SW of Cobb, California · 15031 days ago · -1 km deep · 96 km away
  60. 2.15 km SW of Cobb, California · 15031 days ago · 0 km deep · 96 km away

The first 60 of 160.

Before

  1. 1.613 km ESE of Alum Rock, California · 15058 days ago · 6 km deep · 100 km away
  2. 2.56 km WSW of Eldridge, California · 15058 days ago · 7 km deep · 53 km away
  3. 2.36 km WSW of Eldridge, California · 15059 days ago · 7 km deep · 53 km away
  4. 2.010 km ESE of East Foothills, California · 15059 days ago · 7 km deep · 96 km away
  5. 2.79 km ESE of East Foothills, California · 15059 days ago · 9 km deep · 96 km away
  6. 3.110 km ESE of East Foothills, California · 15059 days ago · 7 km deep · 96 km away
  7. 2.49 km SE of Suisun, California · 15059 days ago · 2 km deep · 3 km away
  8. 1.84 km WSW of Cobb, California · 15060 days ago · 1 km deep · 97 km away
  9. 1.74 km W of Cobb, California · 15061 days ago · 0 km deep · 99 km away
  10. 1.712 km ESE of East Foothills, California · 15062 days ago · 4 km deep · 99 km away
  11. 1.85 km WSW of Cobb, California · 15062 days ago · 0 km deep · 97 km away
  12. 1.88 km WSW of Cobb, California · 15062 days ago · 2 km deep · 99 km away
  13. 2.111 km WSW of Mountain House, California · 15062 days ago · 12 km deep · 55 km away
  14. 1.84 km SE of Isleton, California · 15063 days ago · 4 km deep · 37 km away
  15. 2.37 km WSW of Cobb, California · 15064 days ago · 3 km deep · 99 km away
  16. 1.94 km W of Cobb, California · 15064 days ago · 2 km deep · 98 km away
  17. 1.77 km WSW of Cobb, California · 15066 days ago · 2 km deep · 99 km away
  18. 1.66 km W of Cobb, California · 15067 days ago · 3 km deep · 99 km away
  19. 1.710 km ESE of Livermore, California · 15067 days ago · 4 km deep · 65 km away
  20. 1.89 km ESE of Livermore, California · 15067 days ago · 5 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc51553. Read Sat, Oct 3, 2026, 1:41 PM UTC.