California earthquakes

M1.7 earthquake 5km NW of Dublin, CA

A magnitude 1.7 earthquake struck 5km NW of Dublin, CA on Thu, Sep 2, 2021, 6:20 AM PDT (13:20 UTC), 7 km (4 mi) below the surface.

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

Dublin 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
2021-09-02 13:20:29 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
37.729° N, 121.984° 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 0.4 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
105°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 2.014km N of Morgan Hill, CA · 1856 days ago · 4 km deep · 61 km away · felt by 2
  2. 2.26km SW of Gilroy, CA · 1855 days ago · 3 km deep · 91 km away · felt by 1
  3. 1.56km SW of Gilroy, CA · 1855 days ago · 3 km deep · 91 km away
  4. 1.910km NE of Milpitas, CA · 1855 days ago · 4 km deep · 29 km away
  5. 1.71km N of Bolinas, CA · 1854 days ago · 9 km deep · 65 km away
  6. 1.611km ESE of Gilroy, CA · 1854 days ago · 5 km deep · 96 km away · felt by 3
  7. 1.76km WNW of Dublin, CA · 1850 days ago · 7 km deep · 0 km away · felt by 3
  8. 1.73km ESE of Pacheco, CA · 1849 days ago · 12 km deep · 28 km away
  9. 1.81km NW of Diablo, CA · 1848 days ago · 8 km deep · 13 km away
  10. 2.910km NE of Milpitas, CA · 1845 days ago · 5 km deep · 29 km away · felt by 139
  11. 1.86km W of Allendale, CA · 1845 days ago · 21 km deep · 80 km away
  12. 2.38km ESE of Fremont, CA · 1844 days ago · 7 km deep · 24 km away · felt by 6
  13. 3.16km WNW of Dublin, CA · 1841 days ago · 7 km deep · 1 km away · felt by 379
  14. 1.56km WNW of Dublin, CA · 1841 days ago · 6 km deep · 0 km away
  15. 2.49km ESE of Fremont, CA · 1841 days ago · 7 km deep · 25 km away · felt by 8
  16. 1.65km NW of Dublin, CA · 1840 days ago · 6 km deep · 1 km away
  17. 1.53km NNW of Union City, CA · 1839 days ago · 3 km deep · 12 km away
  18. 1.75km NW of Dublin, CA · 1838 days ago · 5 km deep · 0 km away
  19. 2.59km ENE of Milpitas, CA · 1837 days ago · 7 km deep · 33 km away · felt by 23
  20. 1.94km SW of Newark, CA · 1837 days ago · 12 km deep · 26 km away · felt by 2
  21. 1.85km WNW of Dublin, CA · 1836 days ago · 7 km deep · 1 km away · felt by 1
  22. 1.81km WNW of Walnut Creek, CA · 1836 days ago · 11 km deep · 22 km away · felt by 2
  23. 2.71km SSE of Vallejo, CA · 1836 days ago · 11 km deep · 47 km away · felt by 481
  24. 2.12km E of Hayward, CA · 1834 days ago · 3 km deep · 11 km away · felt by 22
  25. 1.514km SW of Portola Valley, CA · 1832 days ago · 4 km deep · 57 km away
  26. 1.510km E of Alum Rock, CA · 1830 days ago · 8 km deep · 48 km away
  27. 3.23km ESE of Santa Rosa, CA · 1830 days ago · 9 km deep · 99 km away · felt by 1,048
  28. 1.611km NE of Napa, CA · 1828 days ago · 9 km deep · 73 km away
  29. 3.03km N of San Leandro, CA · 1828 days ago · 7 km deep · 15 km away · felt by 860
  30. 1.78km NNE of Alum Rock, CA · 1828 days ago · 4 km deep · 37 km away · felt by 1
  31. 3.43km N of San Leandro, CA · 1827 days ago · 6 km deep · 15 km away · felt by 1,793
  32. 1.53km N of San Leandro, CA · 1827 days ago · 6 km deep · 15 km away · felt by 14
  33. 3.312km NNE of Morgan Hill, CA · 1827 days ago · 4 km deep · 64 km away · felt by 103
  34. 2.019km NE of Alum Rock, CA · 1826 days ago · 6 km deep · 37 km away
  35. 1.85km SW of San Francisco Zoo, CA · 1826 days ago · 7 km deep · 50 km away
  36. 2.70km N of Byron, CA · 1825 days ago · 4 km deep · 34 km away · felt by 48
  37. 1.61km S of Blackhawk, CA · 1824 days ago · 9 km deep · 11 km away
  38. 1.82km SE of Pacheco, CA · 1824 days ago · 15 km deep · 28 km away
  39. 1.95km SW of Pacheco, CA · 1824 days ago · 10 km deep · 28 km away · felt by 1
  40. 2.16km SSW of Yountville, CA · 1823 days ago · 8 km deep · 78 km away · felt by 4
  41. 2.16km SSW of Moraga, CA · 1823 days ago · 10 km deep · 16 km away · felt by 6
  42. 2.14km WSW of Alamo, CA · 1822 days ago · 15 km deep · 14 km away · felt by 3
  43. 1.64km SSW of San Francisco Zoo, CA · 1822 days ago · 7 km deep · 48 km away · felt by 1
  44. 1.612km W of Saratoga, CA · 1821 days ago · 8 km deep · 56 km away
  45. 2.516km SSW of Bonny Doon, CA · 1820 days ago · 5 km deep · 94 km away · felt by 10
  46. 1.711km WSW of Saratoga, CA · 1820 days ago · 8 km deep · 56 km away
  47. 1.611km WSW of Saratoga, CA · 1819 days ago · 8 km deep · 56 km away
  48. 1.511km WSW of Saratoga, CA · 1819 days ago · 8 km deep · 57 km away
  49. 1.63km W of Fruitdale, CA · 1819 days ago · 5 km deep · 46 km away
  50. 2.13km WNW of Crockett, CA · 1817 days ago · 8 km deep · 43 km away · felt by 4
  51. 2.816km SSE of Livermore, CA · 1813 days ago · 3 km deep · 32 km away · felt by 70
  52. 1.65km SW of Clayton, CA · 1812 days ago · 10 km deep · 19 km away
  53. 1.69km SE of Sunol, CA · 1812 days ago · 9 km deep · 25 km away
  54. 1.91km S of San Ramon, CA · 1811 days ago · 8 km deep · 4 km away · felt by 4
  55. 1.610km NE of Milpitas, CA · 1810 days ago · 4 km deep · 29 km away
  56. 2.14km ENE of El Sobrante, CA · 1808 days ago · 9 km deep · 38 km away · felt by 3
  57. 2.84km ENE of El Sobrante, CA · 1807 days ago · 10 km deep · 37 km away · felt by 328
  58. 2.04km ENE of El Sobrante, CA · 1807 days ago · 9 km deep · 38 km away · felt by 2
  59. 2.36km SSW of Gilroy, CA · 1806 days ago · 4 km deep · 93 km away · felt by 2
  60. 1.61km SW of Alamo, CA · 1806 days ago · 9 km deep · 14 km away

The first 60 of 66.

Before

  1. 2.66km S of Livermore, CA · 1858 days ago · 4 km deep · 22 km away · felt by 81
  2. 1.88km NNE of Black Point-Green Point, CA · 1859 days ago · 8 km deep · 66 km away
  3. 2.411km NE of Milpitas, CA · 1859 days ago · 4 km deep · 29 km away
  4. 1.915km E of Seven Trees, CA · 1860 days ago · 4 km deep · 56 km away
  5. 1.815km E of Seven Trees, CA · 1861 days ago · 3 km deep · 56 km away
  6. 1.78km SSW of Livermore, CA · 1862 days ago · 10 km deep · 22 km away
  7. 1.57km WSW of St. Helena, CA · 1863 days ago · 9 km deep · 96 km away
  8. 1.83km SW of Alamo, CA · 1864 days ago · 12 km deep · 13 km away
  9. 1.611km NE of Napa, CA · 1866 days ago · 10 km deep · 72 km away
  10. 1.77km WSW of St. Helena, CA · 1866 days ago · 8 km deep · 98 km away
  11. 1.815km E of Seven Trees, CA · 1867 days ago · 3 km deep · 56 km away
  12. 2.115km E of Seven Trees, CA · 1867 days ago · 4 km deep · 56 km away · felt by 1
  13. 1.82km NW of Pacifica, CA · 1867 days ago · 8 km deep · 47 km away · felt by 2
  14. 1.64km SW of Colma, CA · 1868 days ago · 7 km deep · 46 km away
  15. 2.512km ESE of Angwin, CA · 1874 days ago · 0 km deep · 95 km away · felt by 5
  16. 1.513km E of Angwin, CA · 1874 days ago · 3 km deep · 96 km away
  17. 1.81km ENE of Alamo, CA · 1874 days ago · 13 km deep · 14 km away
  18. 2.413km NE of Yountville, CA · 1875 days ago · 5 km deep · 88 km away · felt by 1
  19. 1.75km WNW of Dublin, CA · 1876 days ago · 6 km deep · 1 km away
  20. 1.55km E of Fremont, CA · 1878 days ago · 7 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73619106. Read Sun, Oct 4, 2026, 3:36 AM UTC.