California earthquakes

M1.6 earthquake 15km E of Seven Trees, CA

A magnitude 1.6 earthquake struck 15km E of Seven Trees, CA on Thu, Aug 12, 2021, 1:15 AM PDT (08:15 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 6km NW of Pinnacles, CA. This one was a foreshock.

Seven Trees 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-12 08:15:15 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
37.301° N, 121.669° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
40°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.61km NE of Berkeley, CA · 1880 days ago · 6 km deep · 83 km away
  2. 1.96km NNE of Pinnacles, CA · 1879 days ago · 9 km deep · 95 km away
  3. 1.55km SE of Aromas, CA · 1879 days ago · 6 km deep · 49 km away
  4. 1.55km E of Fremont, CA · 1879 days ago · 7 km deep · 35 km away
  5. 2.510km NNW of Pinnacles, CA · 1878 days ago · 5 km deep · 88 km away · felt by 1
  6. 2.010km NNW of Pinnacles, CA · 1878 days ago · 5 km deep · 88 km away
  7. 2.210km NNW of Pinnacles, CA · 1878 days ago · 6 km deep · 88 km away
  8. 2.710km NNW of Pinnacles, CA · 1878 days ago · 6 km deep · 87 km away · felt by 5
  9. 1.69km ENE of Pinnacles, CA · 1878 days ago · 4 km deep · 99 km away
  10. 1.75km WNW of Dublin, CA · 1877 days ago · 6 km deep · 54 km away
  11. 1.92km WNW of Tres Pinos, CA · 1876 days ago · 9 km deep · 63 km away
  12. 1.81km ENE of Alamo, CA · 1876 days ago · 13 km deep · 69 km away
  13. 2.410km NW of Pinnacles, CA · 1875 days ago · 3 km deep · 87 km away · felt by 2
  14. 2.99km SW of Tres Pinos, CA · 1874 days ago · 3 km deep · 68 km away · felt by 8
  15. 3.15km S of Ridgemark, CA · 1870 days ago · 9 km deep · 64 km away · felt by 17
  16. 1.624km SSW of Los Banos, CA · 1869 days ago · 2 km deep · 77 km away
  17. 1.64km SW of Colma, CA · 1869 days ago · 7 km deep · 83 km away
  18. 1.824km SSW of Los Banos, CA · 1868 days ago · 6 km deep · 77 km away
  19. 1.82km NW of Pacifica, CA · 1868 days ago · 8 km deep · 82 km away · felt by 2
  20. 2.115km E of Seven Trees, CA · 1868 days ago · 4 km deep · 1 km away · felt by 1
  21. 1.815km E of Seven Trees, CA · 1868 days ago · 3 km deep · 1 km away
  22. 1.83km SW of Alamo, CA · 1865 days ago · 12 km deep · 68 km away
  23. 2.012km NW of Pinnacles, CA · 1865 days ago · 5 km deep · 85 km away
  24. 2.11km NE of Pinnacles, CA · 1864 days ago · 9 km deep · 97 km away
  25. 1.78km SSW of Livermore, CA · 1863 days ago · 10 km deep · 36 km away
  26. 1.77km ENE of Pinnacles, CA · 1863 days ago · 12 km deep · 98 km away · felt by 1
  27. 1.88km NW of Pinnacles, CA · 1862 days ago · 7 km deep · 90 km away · felt by 2
  28. 1.815km E of Seven Trees, CA · 1862 days ago · 3 km deep · 1 km away
  29. 1.74km N of Pinnacles, CA · 1862 days ago · 6 km deep · 94 km away
  30. 1.718km SSW of Gustine, CA · 1862 days ago · 7 km deep · 57 km away
  31. 1.73km ESE of Aromas, CA · 1861 days ago · 7 km deep · 47 km away · felt by 2
  32. 1.915km E of Seven Trees, CA · 1861 days ago · 4 km deep · 1 km away
  33. 4.06km NW of Pinnacles, CA · 1861 days ago · 9 km deep · 91 km away · felt by 265 · tsunami flag
  34. 2.411km NE of Milpitas, CA · 1860 days ago · 4 km deep · 26 km away
  35. 2.66km S of Livermore, CA · 1859 days ago · 4 km deep · 37 km away · felt by 81
  36. 1.75km NW of Dublin, CA · 1859 days ago · 7 km deep · 55 km away
  37. 1.58km NNW of Pinnacles, CA · 1857 days ago · 7 km deep · 90 km away
  38. 2.014km N of Morgan Hill, CA · 1857 days ago · 4 km deep · 6 km away · felt by 2
  39. 2.26km SW of Gilroy, CA · 1857 days ago · 3 km deep · 37 km away · felt by 1
  40. 1.56km SW of Gilroy, CA · 1856 days ago · 3 km deep · 37 km away
  41. 1.910km NE of Milpitas, CA · 1856 days ago · 4 km deep · 26 km away
  42. 1.913km SSE of Tres Pinos, CA · 1856 days ago · 6 km deep · 77 km away
  43. 1.611km ESE of Gilroy, CA · 1855 days ago · 5 km deep · 41 km away · felt by 3
  44. 2.515km SSE of Tres Pinos, CA · 1852 days ago · 5 km deep · 79 km away · felt by 3
  45. 1.67km NNW of Pinnacles, CA · 1852 days ago · 8 km deep · 90 km away
  46. 1.76km WNW of Dublin, CA · 1851 days ago · 7 km deep · 55 km away · felt by 3
  47. 1.78km S of Gustine, CA · 1851 days ago · 9 km deep · 60 km away
  48. 2.216km NW of Pinnacles, CA · 1851 days ago · 4 km deep · 82 km away
  49. 1.73km ESE of Pacheco, CA · 1850 days ago · 12 km deep · 82 km away
  50. 2.17km NNW of Pinnacles, CA · 1850 days ago · 8 km deep · 90 km away
  51. 2.08km N of Pinnacles, CA · 1850 days ago · 9 km deep · 91 km away
  52. 1.81km NW of Diablo, CA · 1849 days ago · 8 km deep · 66 km away
  53. 2.015km NW of Pinnacles, CA · 1849 days ago · 10 km deep · 83 km away · felt by 1
  54. 2.910km NE of Milpitas, CA · 1846 days ago · 5 km deep · 26 km away · felt by 139
  55. 2.38km ESE of Fremont, CA · 1845 days ago · 7 km deep · 32 km away · felt by 6
  56. 2.07km NNW of Pinnacles, CA · 1844 days ago · 7 km deep · 91 km away
  57. 1.59km SSW of Tres Pinos, CA · 1844 days ago · 1 km deep · 69 km away
  58. 2.012km NNE of Hollister, CA · 1843 days ago · 8 km deep · 51 km away · felt by 1
  59. 1.96km NNE of Los Banos, CA · 1843 days ago · 5 km deep · 78 km away
  60. 2.05km NNE of Los Banos, CA · 1843 days ago · 5 km deep · 79 km away

The first 60 of 121.

Before

  1. 2.18km ENE of Alum Rock, CA · 1881 days ago · 7 km deep · 11 km away
  2. 2.01km NNW of Pleasant Hill, CA · 1882 days ago · 11 km deep · 81 km away · felt by 12
  3. 1.95km NE of Pinnacles, CA · 1883 days ago · 9 km deep · 95 km away
  4. 2.115km ENE of Alum Rock, CA · 1883 days ago · 5 km deep · 14 km away · felt by 3
  5. 2.45km SE of Portola Valley, CA · 1884 days ago · 10 km deep · 47 km away · felt by 12
  6. 2.22km E of Saratoga, CA · 1884 days ago · 7 km deep · 30 km away · felt by 48
  7. 1.73km SSW of San Juan Bautista, CA · 1884 days ago · 6 km deep · 55 km away
  8. 1.74km NNW of Hollister, CA · 1885 days ago · 9 km deep · 52 km away
  9. 2.84km NNW of Hollister, CA · 1885 days ago · 9 km deep · 51 km away · felt by 12
  10. 2.29km NE of Gilroy, CA · 1885 days ago · 3 km deep · 29 km away
  11. 2.012km NW of Pinnacles, CA · 1885 days ago · 6 km deep · 86 km away
  12. 1.52km ESE of Berkeley, CA · 1885 days ago · 4 km deep · 81 km away
  13. 1.911km NE of Milpitas, CA · 1886 days ago · 5 km deep · 26 km away · felt by 3
  14. 1.54km E of Moraga, CA · 1886 days ago · 3 km deep · 70 km away
  15. 2.13km NNW of Pinnacles, CA · 1887 days ago · 4 km deep · 94 km away
  16. 1.87km S of Muir Beach, CA · 1887 days ago · 13 km deep · 98 km away
  17. 2.29km ENE of San Martin, CA · 1888 days ago · 6 km deep · 23 km away · felt by 1
  18. 1.72km NNE of Pinnacles, CA · 1888 days ago · 9 km deep · 96 km away
  19. 1.517km NE of Pinnacles, CA · 1889 days ago · 9 km deep · 94 km away
  20. 1.72km ENE of Pinnacles, CA · 1889 days ago · 3 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73609106. Read Mon, Oct 5, 2026, 4:40 AM UTC.