California earthquakes

M1.6 earthquake 9 km W of Patterson, CA

A magnitude 1.6 earthquake struck 9 km W of Patterson, CA on Thu, Sep 3, 2026, 1:10 PM PDT (20:10 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M1.7 7 km SSW of Brentwood, CA. This one was a foreshock.

Patterson 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), micro
Local time
UTC
2026-09-03 20:10:02 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
37.462° N, 121.225° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
105°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 since this one and 85 in the 30 days before it.

After

  1. 1.515 km E of Seven Trees, CA · 18 days ago · 2 km deep · 44 km away
  2. 1.77 km SSW of Brentwood, CA · 18 days ago · 16 km deep · 66 km away
  3. 1.76 km NW of Pinnacles, CA · 18 days ago · 3 km deep · 99 km away
  4. 1.67 km SW of Gilroy, CA · 17 days ago · 4 km deep · 66 km away
  5. 1.67 km NNE of Aromas, CA · 17 days ago · 4 km deep · 67 km away
  6. 2.27 km SW of Gilroy, CA · 17 days ago · 5 km deep · 66 km away · felt by 1
  7. 2.28 km ENE of Gilroy, CA · 15 days ago · 5 km deep · 53 km away
  8. 1.81 km SW of Diablo, CA · 14 days ago · 7 km deep · 77 km away
  9. 1.62 km SSW of Hollister, CA · 14 days ago · 9 km deep · 72 km away
  10. 1.85 km N of Alum Rock, CA · 13 days ago · 0 km deep · 53 km away
  11. 1.98 km NE of Alum Rock, CA · 13 days ago · 7 km deep · 47 km away
  12. 2.52 km ESE of Oakland, CA · 13 days ago · 10 km deep · 94 km away · felt by 64
  13. 1.51 km E of Aromas, CA · 13 days ago · 6 km deep · 73 km away
  14. 2.13 km W of Dublin, CA · 12 days ago · 10 km deep · 71 km away
  15. 2.13 km W of Dublin, CA · 12 days ago · 10 km deep · 71 km away · felt by 1
  16. 2.13 km WNW of Dublin, CA · 12 days ago · 10 km deep · 71 km away
  17. 3.19 km ENE of Blackhawk, CA · 11 days ago · 16 km deep · 69 km away · felt by 257
  18. 1.914 km ENE of Hollister, CA · 10 days ago · 8 km deep · 62 km away
  19. 1.616 km E of Seven Trees, CA · 10 days ago · 6 km deep · 43 km away
  20. 1.610 km NW of Pinnacles, CA · 9 days ago · 1 km deep · 96 km away
  21. 2.59 km SW of Brentwood, CA · 9 days ago · 17 km deep · 68 km away · felt by 5
  22. 2.132 km SW of South Dos Palos, CA · 9 days ago · 5 km deep · 87 km away
  23. 1.55 km NNW of Hollister, CA · 9 days ago · 10 km deep · 66 km away
  24. 2.51 km E of Woodside, CA · 9 days ago · 4 km deep · 90 km away · felt by 179
  25. 2.01 km E of Woodside, CA · 9 days ago · 4 km deep · 90 km away · felt by 5
  26. 1.71 km ENE of Woodside, CA · 9 days ago · 4 km deep · 90 km away
  27. 3.09 km SW of Brentwood, CA · 8 days ago · 17 km deep · 69 km away · felt by 52
  28. 2.43 km WNW of Dublin, CA · 7 days ago · 10 km deep · 71 km away · felt by 3
  29. 1.96 km SW of Antioch, CA · 7 days ago · 14 km deep · 78 km away
  30. 1.63 km W of Dublin, CA · 6 days ago · 10 km deep · 71 km away
  31. 2.23 km W of Dublin, CA · 6 days ago · 10 km deep · 71 km away
  32. 2.03 km W of Dublin, CA · 6 days ago · 9 km deep · 71 km away
  33. 1.631 km NE of Pinnacles, CA · 6 days ago · -1 km deep · 90 km away
  34. 2.621 km E of Alum Rock, CA · 6 days ago · 6 km deep · 36 km away · felt by 5
  35. 2.62 km ENE of Aromas, CA · 5 days ago · 1 km deep · 72 km away
  36. 2.510 km ENE of Milpitas, CA · 3 days ago · 3 km deep · 51 km away · felt by 9
  37. 1.54 km N of Aromas, CA · 3 days ago · 4 km deep · 71 km away
  38. 1.72 km NNE of Pleasant Hill, CA · 45 hr ago · 15 km deep · 91 km away
  39. 2.09 km ESE of Livermore, CA · 40 hr ago · 10 km deep · 45 km away
  40. 1.710 km SW of Ridgemark, CA · 23 hr ago · 8 km deep · 83 km away
  41. 1.58 km E of Alum Rock, CA · 21 hr ago · 2 km deep · 46 km away
  42. 1.516 km S of Tres Pinos, CA · 13 hr ago · 5 km deep · 91 km away
  43. 1.910 km SSW of Tres Pinos, CA · 13 hr ago · 1 km deep · 84 km away

Before

  1. 1.63 km ESE of Hayward, CA · 20 days ago · 7 km deep · 74 km away
  2. 1.510 km SSE of San Juan Bautista, CA · 21 days ago · 8 km deep · 81 km away
  3. 1.67 km NW of Pinnacles, CA · 23 days ago · 2 km deep · 99 km away
  4. 1.916 km S of Tres Pinos, CA · 25 days ago · 6 km deep · 91 km away
  5. 2.024 km NE of Pinnacles, CA · 26 days ago · 0 km deep · 87 km away
  6. 1.611 km SE of Sunol, CA · 27 days ago · 7 km deep · 52 km away
  7. 1.91 km WNW of Lafayette, CA · 28 days ago · 14 km deep · 93 km away · felt by 1
  8. 1.87 km WSW of Gilroy, CA · 30 days ago · 5 km deep · 65 km away
  9. 1.79 km SSE of San Juan Bautista, CA · 31 days ago · 4 km deep · 80 km away
  10. 1.86 km NW of Pinnacles, CA · 31 days ago · 2 km deep · 100 km away
  11. 2.210 km SSW of Ridgemark, CA · 32 days ago · 7 km deep · 83 km away
  12. 1.614 km NW of Pinnacles, CA · 32 days ago · 6 km deep · 94 km away
  13. 1.76 km NW of Pinnacles, CA · 32 days ago · 2 km deep · 99 km away
  14. 2.35 km SSW of Alameda, CA · 32 days ago · 16 km deep · 96 km away · felt by 8
  15. 1.59 km SSE of San Juan Bautista, CA · 32 days ago · 4 km deep · 80 km away
  16. 1.816 km NW of Pinnacles, CA · 33 days ago · 5 km deep · 93 km away
  17. 1.68 km NNW of Pinnacles, CA · 35 days ago · 3 km deep · 97 km away
  18. 1.67 km NW of Pinnacles, CA · 35 days ago · 3 km deep · 99 km away
  19. 1.53 km ESE of Woodside, CA · 35 days ago · 5 km deep · 88 km away
  20. 1.83 km NNE of Portola Valley, CA · 35 days ago · 5 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75429337. Read Tue, Sep 22, 2026, 9:39 PM UTC.