California earthquakes

M1.7 earthquake 1km N of Bolinas, CA

A magnitude 1.7 earthquake struck 1km N of Bolinas, CA on Sun, Sep 5, 2021, 10:04 AM PDT (17:04 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.4 3km N of San Leandro, CA. This one was a foreshock.

Bolinas 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-09-05 17:04:59 UTC
Depth
8.8 km (5.5 mi), shallow
Epicenter
37.921° N, 122.686° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
135°
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: 129 in the 60 days after this one and 53 in the 30 days before it.

After

  1. 2.21km NW of The Geysers, CA · 1855 days ago · 2 km deep · 96 km away
  2. 1.62km NW of The Geysers, CA · 1855 days ago · 2 km deep · 97 km away
  3. 1.57km S of Calistoga, CA · 1854 days ago · 8 km deep · 67 km away
  4. 2.31km NNW of The Geysers, CA · 1854 days ago · 1 km deep · 96 km away
  5. 3.17km NW of The Geysers, CA · 1854 days ago · 2 km deep · 100 km away · felt by 2
  6. 2.56km NW of The Geysers, CA · 1854 days ago · 3 km deep · 100 km away · felt by 1
  7. 2.07km NW of The Geysers, CA · 1854 days ago · 3 km deep · 100 km away
  8. 1.66km WNW of The Geysers, CA · 1853 days ago · 2 km deep · 99 km away
  9. 1.83km SW of Anderson Springs, CA · 1853 days ago · 2 km deep · 93 km away · felt by 1
  10. 2.15km NW of The Geysers, CA · 1852 days ago · 2 km deep · 99 km away
  11. 1.76km WNW of Dublin, CA · 1851 days ago · 7 km deep · 65 km away · felt by 3
  12. 1.73km ESE of Pacheco, CA · 1850 days ago · 12 km deep · 56 km away
  13. 2.55km NW of The Geysers, CA · 1849 days ago · 2 km deep · 100 km away
  14. 1.81km NW of Diablo, CA · 1848 days ago · 8 km deep · 63 km away
  15. 2.910km NE of Milpitas, CA · 1846 days ago · 5 km deep · 89 km away · felt by 139
  16. 1.610km WNW of Calistoga, CA · 1846 days ago · 4 km deep · 76 km away · felt by 1
  17. 1.86km W of Allendale, CA · 1845 days ago · 21 km deep · 83 km away
  18. 2.38km ESE of Fremont, CA · 1845 days ago · 7 km deep · 82 km away · felt by 6
  19. 1.83km ENE of The Geysers, CA · 1844 days ago · 1 km deep · 97 km away
  20. 2.45km WNW of The Geysers, CA · 1844 days ago · 4 km deep · 98 km away
  21. 1.62km NW of Anderson Springs, CA · 1843 days ago · 2 km deep · 96 km away
  22. 1.55km NW of The Geysers, CA · 1842 days ago · 3 km deep · 99 km away
  23. 3.16km WNW of Dublin, CA · 1842 days ago · 7 km deep · 65 km away · felt by 379
  24. 1.56km WNW of Dublin, CA · 1842 days ago · 6 km deep · 65 km away
  25. 2.49km ESE of Fremont, CA · 1841 days ago · 7 km deep · 83 km away · felt by 8
  26. 1.65km NW of Dublin, CA · 1841 days ago · 6 km deep · 66 km away
  27. 1.50km WNW of The Geysers, CA · 1841 days ago · 1 km deep · 96 km away
  28. 1.53km NNW of Union City, CA · 1839 days ago · 3 km deep · 67 km away
  29. 1.83km SE of Larkfield-Wikiup, CA · 1839 days ago · 5 km deep · 64 km away · felt by 5
  30. 1.610km NE of Healdsburg, CA · 1839 days ago · 4 km deep · 83 km away
  31. 1.75km NW of Dublin, CA · 1838 days ago · 5 km deep · 65 km away
  32. 2.59km ENE of Milpitas, CA · 1838 days ago · 7 km deep · 92 km away · felt by 23
  33. 2.63km NW of The Geysers, CA · 1838 days ago · 3 km deep · 98 km away · felt by 3
  34. 1.94km SW of Newark, CA · 1837 days ago · 12 km deep · 71 km away · felt by 2
  35. 1.73km SW of Anderson Springs, CA · 1837 days ago · 2 km deep · 93 km away
  36. 1.73km NNW of The Geysers, CA · 1837 days ago · 1 km deep · 98 km away
  37. 1.85km WNW of Dublin, CA · 1837 days ago · 7 km deep · 65 km away · felt by 1
  38. 1.81km WNW of Walnut Creek, CA · 1837 days ago · 11 km deep · 53 km away · felt by 2
  39. 2.71km SSE of Vallejo, CA · 1836 days ago · 11 km deep · 45 km away · felt by 481
  40. 2.12km E of Hayward, CA · 1835 days ago · 3 km deep · 64 km away · felt by 22
  41. 1.63km SW of Anderson Springs, CA · 1835 days ago · 2 km deep · 93 km away
  42. 1.63km SE of The Geysers, CA · 1834 days ago · 2 km deep · 93 km away
  43. 1.514km SW of Portola Valley, CA · 1833 days ago · 4 km deep · 74 km away
  44. 1.76km SW of Calistoga, CA · 1832 days ago · 8 km deep · 69 km away
  45. 1.91km NW of The Geysers, CA · 1831 days ago · 2 km deep · 96 km away
  46. 3.23km ESE of Santa Rosa, CA · 1830 days ago · 9 km deep · 58 km away · felt by 1,048
  47. 2.71km NE of The Geysers, CA · 1829 days ago · 0 km deep · 96 km away · felt by 3
  48. 1.82km SSW of Cobb, CA · 1829 days ago · 1 km deep · 98 km away
  49. 1.51km E of The Geysers, CA · 1829 days ago · 0 km deep · 95 km away
  50. 1.93km SSW of Anderson Springs, CA · 1829 days ago · 2 km deep · 92 km away
  51. 1.51km NNW of The Geysers, CA · 1829 days ago · 1 km deep · 97 km away
  52. 1.611km NE of Napa, CA · 1829 days ago · 9 km deep · 65 km away
  53. 3.03km N of San Leandro, CA · 1829 days ago · 7 km deep · 50 km away · felt by 860
  54. 1.62km N of The Geysers, CA · 1829 days ago · 2 km deep · 98 km away
  55. 1.55km WNW of The Geysers, CA · 1828 days ago · 1 km deep · 99 km away
  56. 1.59km NE of Santa Rosa, CA · 1828 days ago · 4 km deep · 65 km away
  57. 1.78km NNE of Alum Rock, CA · 1828 days ago · 4 km deep · 96 km away · felt by 1
  58. 3.43km N of San Leandro, CA · 1828 days ago · 6 km deep · 50 km away · felt by 1,793
  59. 1.53km N of San Leandro, CA · 1828 days ago · 6 km deep · 50 km away · felt by 14
  60. 2.019km NE of Alum Rock, CA · 1827 days ago · 6 km deep · 100 km away

The first 60 of 129.

Before

  1. 1.910km NE of Milpitas, CA · 1856 days ago · 4 km deep · 89 km away
  2. 1.72km SW of Cobb, CA · 1857 days ago · 2 km deep · 99 km away
  3. 1.75km NW of Dublin, CA · 1858 days ago · 7 km deep · 65 km away
  4. 2.66km S of Livermore, CA · 1859 days ago · 4 km deep · 87 km away · felt by 81
  5. 1.73km SW of Angwin, CA · 1859 days ago · 4 km deep · 74 km away
  6. 1.88km NNE of Black Point-Green Point, CA · 1860 days ago · 8 km deep · 34 km away
  7. 2.411km NE of Milpitas, CA · 1860 days ago · 4 km deep · 89 km away
  8. 1.810km NNE of Windsor, CA · 1860 days ago · 7 km deep · 78 km away
  9. 1.73km ENE of The Geysers, CA · 1861 days ago · 2 km deep · 97 km away
  10. 1.95km NW of The Geysers, CA · 1861 days ago · 2 km deep · 99 km away
  11. 1.91km NNE of The Geysers, CA · 1862 days ago · 2 km deep · 96 km away
  12. 1.78km SSW of Livermore, CA · 1862 days ago · 10 km deep · 86 km away
  13. 1.66km NW of The Geysers, CA · 1863 days ago · 3 km deep · 100 km away
  14. 1.91km WNW of The Geysers, CA · 1864 days ago · 1 km deep · 96 km away
  15. 2.14km S of Larkfield-Wikiup, CA · 1864 days ago · 7 km deep · 63 km away · felt by 5
  16. 1.57km WSW of St. Helena, CA · 1864 days ago · 9 km deep · 63 km away
  17. 2.53km ESE of Larkfield-Wikiup, CA · 1864 days ago · 7 km deep · 65 km away · felt by 122
  18. 1.83km SW of Alamo, CA · 1864 days ago · 12 km deep · 56 km away
  19. 2.43km W of Anderson Springs, CA · 1865 days ago · 2 km deep · 95 km away
  20. 1.611km NE of Napa, CA · 1866 days ago · 10 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73620521. Read Sun, Oct 4, 2026, 3:13 PM UTC.