California earthquakes

M2.4 earthquake 9 km SE of Suisun, California

A magnitude 2.4 earthquake struck 9 km SE of Suisun, California on Thu, Jul 11, 1985, 1:49 AM PDT (08:49 UTC), 2 km (1 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
2.4 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-07-11 08:49:34 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
38.179° N, 121.965° 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 0.9 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
130°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 3.110 km ESE of East Foothills, California · 15059 days ago · 7 km deep · 95 km away
  2. 2.79 km ESE of East Foothills, California · 15059 days ago · 9 km deep · 95 km away
  3. 2.010 km ESE of East Foothills, California · 15059 days ago · 7 km deep · 95 km away
  4. 2.36 km WSW of Eldridge, California · 15059 days ago · 7 km deep · 56 km away
  5. 2.56 km WSW of Eldridge, California · 15058 days ago · 7 km deep · 56 km away
  6. 1.613 km ESE of Alum Rock, California · 15058 days ago · 6 km deep · 99 km away
  7. 2.57 km SSE of Suisun, California · 15058 days ago · 0 km deep · 3 km away
  8. 1.75 km SW of Cobb, California · 15058 days ago · 0 km deep · 96 km away
  9. 1.73 km SW of Cobb, California · 15058 days ago · 1 km deep · 97 km away
  10. 1.514 km NE of East Foothills, California · 15058 days ago · 5 km deep · 83 km away
  11. 2.426 km WNW of Diablo Grande, California · 15057 days ago · 5 km deep · 84 km away
  12. 2.16 km WSW of Eldridge, California · 15057 days ago · 6 km deep · 56 km away
  13. 2.36 km ESE of Suisun, California · 15057 days ago · 5 km deep · 3 km away
  14. 1.7Northern California · 15057 days ago · 6 km deep · 56 km away
  15. 1.65 km SSE of Cobb, California · 15057 days ago · 16 km deep · 92 km away
  16. 1.612 km N of Livermore, California · 15056 days ago · 13 km deep · 47 km away
  17. 2.34 km WSW of Cobb, California · 15054 days ago · 1 km deep · 99 km away
  18. 1.67 km WSW of Cobb, California · 15054 days ago · 1 km deep · 100 km away
  19. 1.96 km NW of Daly City, California · 15054 days ago · 5 km deep · 69 km away
  20. 1.84 km E of Kensington, California · 15053 days ago · 6 km deep · 38 km away
  21. 1.625 km WNW of Diablo Grande, California · 15052 days ago · 4 km deep · 85 km away
  22. 1.67 km WSW of Cobb, California · 15051 days ago · 1 km deep · 100 km away
  23. 1.713 km NE of Hidden Valley Lake, California · 15050 days ago · 14 km deep · 89 km away
  24. 1.66 km W of Glen Ellen, California · 15049 days ago · 3 km deep · 59 km away
  25. 2.91 km WSW of Stinson Beach, California · 15048 days ago · 10 km deep · 69 km away
  26. 1.90 km ENE of Pittsburg, California · 15048 days ago · 18 km deep · 18 km away
  27. 2.66 km NW of Broadmoor, California · 15046 days ago · 6 km deep · 72 km away
  28. 1.79 km ESE of Hidden Valley Lake, California · 15045 days ago · 7 km deep · 79 km away
  29. 1.78 km SW of Cobb, California · 15045 days ago · 3 km deep · 98 km away
  30. 1.95 km SW of Cobb, California · 15042 days ago · 0 km deep · 97 km away
  31. 2.15 km WSW of Cobb, California · 15041 days ago · 0 km deep · 99 km away
  32. 3.35 km WSW of Cobb, California · 15041 days ago · 0 km deep · 99 km away
  33. 1.76 km WSW of Cobb, California · 15041 days ago · 0 km deep · 99 km away
  34. 2.63 km E of Berkeley, California · 15039 days ago · 10 km deep · 41 km away
  35. 1.75 km NW of San Leandro, California · 15038 days ago · 12 km deep · 50 km away
  36. 1.53 km SSW of Cobb, California · 15035 days ago · 1 km deep · 96 km away
  37. 2.52 km E of Berkeley, California · 15035 days ago · 9 km deep · 42 km away
  38. 2.02 km SSW of Portola Valley, California · 15034 days ago · 8 km deep · 94 km away
  39. 1.62 km SSW of Portola Valley, California · 15034 days ago · 8 km deep · 94 km away
  40. 2.26 km WSW of Cobb, California · 15033 days ago · 0 km deep · 100 km away
  41. 2.14 km WSW of Cobb, California · 15032 days ago · 1 km deep · 99 km away
  42. 2.31 km NNW of Pleasant Hill, California · 15032 days ago · 9 km deep · 26 km away
  43. 1.613 km SSE of Livermore, California · 15032 days ago · 5 km deep · 71 km away
  44. 1.66 km WSW of Cobb, California · 15032 days ago · 0 km deep · 100 km away
  45. 1.77 km NNE of East Foothills, California · 15031 days ago · 5 km deep · 84 km away
  46. 1.66 km SW of Cobb, California · 15031 days ago · 0 km deep · 97 km away
  47. 3.25 km SW of Cobb, California · 15031 days ago · 2 km deep · 98 km away
  48. 4.05 km SW of Cobb, California · 15031 days ago · -1 km deep · 98 km away
  49. 2.15 km SW of Cobb, California · 15031 days ago · 0 km deep · 98 km away
  50. 1.64 km WSW of Cobb, California · 15030 days ago · 1 km deep · 99 km away
  51. 1.92 km SW of West Menlo Park, California · 15028 days ago · 4 km deep · 88 km away
  52. 2.19 km E of Hidden Valley Lake, California · 15027 days ago · 7 km deep · 82 km away
  53. 3.12 km N of Piedmont, California · 15026 days ago · 5 km deep · 43 km away
  54. 2.12 km ENE of Berkeley, California · 15025 days ago · 8 km deep · 42 km away
  55. 2.05 km SW of Cobb, California · 15024 days ago · 2 km deep · 98 km away
  56. 1.92 km SW of Blackhawk, California · 15022 days ago · 15 km deep · 41 km away
  57. 2.52 km N of Piedmont, California · 15020 days ago · 5 km deep · 44 km away
  58. 1.55 km SW of Cobb, California · 15017 days ago · 1 km deep · 97 km away
  59. 1.55 km WSW of Cobb, California · 15017 days ago · 0 km deep · 98 km away
  60. 1.85 km WSW of Cobb, California · 15017 days ago · 0 km deep · 99 km away

The first 60 of 117.

Before

  1. 1.84 km WSW of Cobb, California · 15060 days ago · 1 km deep · 99 km away
  2. 1.712 km ESE of East Foothills, California · 15062 days ago · 4 km deep · 98 km away
  3. 1.85 km WSW of Cobb, California · 15062 days ago · 0 km deep · 99 km away
  4. 2.111 km WSW of Mountain House, California · 15062 days ago · 12 km deep · 53 km away
  5. 1.84 km SE of Isleton, California · 15063 days ago · 4 km deep · 34 km away
  6. 1.710 km ESE of Livermore, California · 15067 days ago · 4 km deep · 64 km away
  7. 1.89 km ESE of Livermore, California · 15067 days ago · 5 km deep · 64 km away
  8. 2.110 km ESE of Livermore, California · 15067 days ago · 3 km deep · 65 km away
  9. 1.84 km WSW of Cobb, California · 15067 days ago · 1 km deep · 99 km away
  10. 2.710 km ESE of Livermore, California · 15068 days ago · 3 km deep · 64 km away
  11. 1.64 km SSE of Rocklin, California · 15069 days ago · 12 km deep · 90 km away
  12. 1.74 km SSE of Rocklin, California · 15069 days ago · 12 km deep · 91 km away
  13. 2.74 km SSE of Rocklin, California · 15069 days ago · 11 km deep · 91 km away
  14. 1.84 km SSE of Rocklin, California · 15069 days ago · 12 km deep · 91 km away
  15. 2.14 km SSE of Green Valley, California · 15069 days ago · 9 km deep · 17 km away
  16. 2.04 km WSW of Cobb, California · 15072 days ago · 1 km deep · 99 km away
  17. 1.60 km W of Alamo, California · 15072 days ago · 9 km deep · 37 km away
  18. 1.76 km E of Fremont, California · 15072 days ago · 9 km deep · 71 km away
  19. 2.06 km E of Fremont, California · 15072 days ago · 9 km deep · 71 km away
  20. 2.215 km SE of Livermore, California · 15075 days ago · 3 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc51551. Read Sat, Oct 3, 2026, 1:19 PM UTC.