California earthquakes

M1.5 earthquake 6km SW of Gilroy, CA

A magnitude 1.5 earthquake struck 6km SW of Gilroy, CA on Sat, Sep 4, 2021, 11:01 AM PDT (18:01 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.7 13km S of Tres Pinos, CA. This one was a foreshock.

Gilroy 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-09-04 18:01:22 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
36.968° N, 121.613° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
35°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 128 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.910km NE of Milpitas, CA · 1856 days ago · 4 km deep · 62 km away
  2. 1.913km SSE of Tres Pinos, CA · 1855 days ago · 6 km deep · 43 km away
  3. 1.611km ESE of Gilroy, CA · 1854 days ago · 5 km deep · 14 km away · felt by 3
  4. 2.515km SSE of Tres Pinos, CA · 1852 days ago · 5 km deep · 45 km away · felt by 3
  5. 1.67km NNW of Pinnacles, CA · 1851 days ago · 8 km deep · 57 km away
  6. 1.76km WNW of Dublin, CA · 1851 days ago · 7 km deep · 91 km away · felt by 3
  7. 1.78km S of Gustine, CA · 1850 days ago · 9 km deep · 59 km away
  8. 2.216km NW of Pinnacles, CA · 1850 days ago · 4 km deep · 48 km away
  9. 1.723km WSW of New Idria, CA · 1850 days ago · 8 km deep · 97 km away
  10. 2.17km NNW of Pinnacles, CA · 1850 days ago · 8 km deep · 57 km away
  11. 2.08km N of Pinnacles, CA · 1849 days ago · 9 km deep · 58 km away
  12. 2.015km NW of Pinnacles, CA · 1848 days ago · 10 km deep · 49 km away · felt by 1
  13. 1.88km ESE of Pinnacles, CA · 1846 days ago · 3 km deep · 71 km away
  14. 2.910km NE of Milpitas, CA · 1846 days ago · 5 km deep · 62 km away · felt by 139
  15. 2.38km ESE of Fremont, CA · 1845 days ago · 7 km deep · 67 km away · felt by 6
  16. 2.07km NNW of Pinnacles, CA · 1843 days ago · 7 km deep · 57 km away
  17. 1.59km SSW of Tres Pinos, CA · 1843 days ago · 1 km deep · 35 km away
  18. 1.813km SE of Pinnacles, CA · 1843 days ago · 0 km deep · 77 km away
  19. 2.012km NNE of Hollister, CA · 1842 days ago · 8 km deep · 26 km away · felt by 1
  20. 1.96km NNE of Los Banos, CA · 1842 days ago · 5 km deep · 72 km away
  21. 2.05km NNE of Los Banos, CA · 1842 days ago · 5 km deep · 72 km away
  22. 2.15km NNE of Los Banos, CA · 1842 days ago · 6 km deep · 72 km away
  23. 2.46km NNE of Los Banos, CA · 1842 days ago · 6 km deep · 72 km away · felt by 4
  24. 2.010km SE of Pinnacles, CA · 1842 days ago · 9 km deep · 74 km away
  25. 3.16km WNW of Dublin, CA · 1842 days ago · 7 km deep · 91 km away · felt by 379
  26. 1.56km WNW of Dublin, CA · 1842 days ago · 6 km deep · 91 km away
  27. 2.112km NNE of Hollister, CA · 1841 days ago · 7 km deep · 26 km away · felt by 2
  28. 2.49km ESE of Fremont, CA · 1841 days ago · 7 km deep · 66 km away · felt by 8
  29. 1.65km NW of Dublin, CA · 1841 days ago · 6 km deep · 90 km away
  30. 1.57km NNW of Pinnacles, CA · 1840 days ago · 8 km deep · 57 km away
  31. 1.52km NNE of Pinnacles, CA · 1840 days ago · 6 km deep · 63 km away
  32. 1.913km SSW of Tres Pinos, CA · 1839 days ago · 10 km deep · 37 km away
  33. 1.98km NW of Pinnacles, CA · 1839 days ago · 8 km deep · 57 km away
  34. 1.53km NNW of Union City, CA · 1839 days ago · 3 km deep · 82 km away
  35. 1.816km N of New Idria, CA · 1839 days ago · 6 km deep · 97 km away
  36. 1.75km NW of Dublin, CA · 1838 days ago · 5 km deep · 91 km away
  37. 3.212km W of Moss Landing, CA · 1838 days ago · 9 km deep · 34 km away · felt by 500
  38. 2.59km ENE of Milpitas, CA · 1838 days ago · 7 km deep · 58 km away · felt by 23
  39. 2.017km NW of New Idria, CA · 1838 days ago · 4 km deep · 88 km away
  40. 1.94km SW of Newark, CA · 1837 days ago · 12 km deep · 73 km away · felt by 2
  41. 1.85km WNW of Dublin, CA · 1837 days ago · 7 km deep · 90 km away · felt by 1
  42. 1.67km NW of Pinnacles, CA · 1835 days ago · 7 km deep · 57 km away
  43. 2.12km E of Hayward, CA · 1835 days ago · 3 km deep · 85 km away · felt by 22
  44. 1.96km S of Tres Pinos, CA · 1834 days ago · 10 km deep · 36 km away
  45. 2.18km SSW of Tres Pinos, CA · 1834 days ago · 3 km deep · 35 km away · felt by 1
  46. 1.514km SW of Portola Valley, CA · 1833 days ago · 4 km deep · 76 km away
  47. 1.612km W of Moss Landing, CA · 1832 days ago · 10 km deep · 33 km away
  48. 1.710km NW of Pinnacles, CA · 1832 days ago · 1 km deep · 55 km away
  49. 2.812km W of Moss Landing, CA · 1831 days ago · 8 km deep · 33 km away · felt by 123
  50. 1.75km S of San Juan Bautista, CA · 1831 days ago · 7 km deep · 20 km away
  51. 2.014km SSE of Tres Pinos, CA · 1831 days ago · 5 km deep · 45 km away
  52. 2.86km NW of Pinnacles, CA · 1831 days ago · 8 km deep · 58 km away · felt by 2
  53. 2.07km NNW of Pinnacles, CA · 1831 days ago · 8 km deep · 57 km away
  54. 1.510km E of Alum Rock, CA · 1830 days ago · 8 km deep · 44 km away
  55. 1.54km NNW of Pinnacles, CA · 1830 days ago · 9 km deep · 60 km away
  56. 1.814km SSE of Tres Pinos, CA · 1829 days ago · 2 km deep · 45 km away
  57. 2.014km SSE of Tres Pinos, CA · 1829 days ago · 4 km deep · 45 km away
  58. 3.03km N of San Leandro, CA · 1829 days ago · 7 km deep · 99 km away · felt by 860
  59. 1.78km NNE of Alum Rock, CA · 1828 days ago · 4 km deep · 54 km away · felt by 1
  60. 3.43km N of San Leandro, CA · 1828 days ago · 6 km deep · 99 km away · felt by 1,793

The first 60 of 128.

Before

  1. 2.26km SW of Gilroy, CA · 1856 days ago · 3 km deep · 0 km away · felt by 1
  2. 2.014km N of Morgan Hill, CA · 1857 days ago · 4 km deep · 32 km away · felt by 2
  3. 1.58km NNW of Pinnacles, CA · 1857 days ago · 7 km deep · 56 km away
  4. 1.75km NW of Dublin, CA · 1858 days ago · 7 km deep · 91 km away
  5. 2.66km S of Livermore, CA · 1859 days ago · 4 km deep · 74 km away · felt by 81
  6. 2.19km SE of Pinnacles, CA · 1859 days ago · 6 km deep · 73 km away
  7. 2.411km NE of Milpitas, CA · 1860 days ago · 4 km deep · 62 km away
  8. 4.06km NW of Pinnacles, CA · 1860 days ago · 9 km deep · 58 km away · felt by 265 · tsunami flag
  9. 1.915km E of Seven Trees, CA · 1860 days ago · 4 km deep · 36 km away
  10. 1.73km ESE of Aromas, CA · 1861 days ago · 7 km deep · 10 km away · felt by 2
  11. 1.718km SSW of Gustine, CA · 1861 days ago · 7 km deep · 50 km away
  12. 1.74km N of Pinnacles, CA · 1861 days ago · 6 km deep · 61 km away
  13. 1.815km E of Seven Trees, CA · 1861 days ago · 3 km deep · 37 km away
  14. 1.88km NW of Pinnacles, CA · 1862 days ago · 7 km deep · 57 km away · felt by 2
  15. 1.77km ENE of Pinnacles, CA · 1862 days ago · 12 km deep · 66 km away · felt by 1
  16. 1.78km SSW of Livermore, CA · 1862 days ago · 10 km deep · 73 km away
  17. 2.11km NE of Pinnacles, CA · 1864 days ago · 9 km deep · 64 km away
  18. 2.012km NW of Pinnacles, CA · 1864 days ago · 5 km deep · 52 km away
  19. 1.925km SSW of South Dos Palos, CA · 1867 days ago · 2 km deep · 83 km away
  20. 1.815km E of Seven Trees, CA · 1868 days ago · 3 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73620111. Read Sun, Oct 4, 2026, 2:22 PM UTC.