California earthquakes

M1.6 earthquake 2 km ESE of Pacifica, CA

A magnitude 1.6 earthquake struck 2 km ESE of Pacifica, CA on Sun, Aug 30, 2026, 9:38 AM PDT (16:38 UTC), 9 km (5 mi) below the surface.

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

Pacifica 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
2026-08-30 16:38:22 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
37.607° N, 122.471° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
58°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 since this one and 30 in the 30 days before it.

After

  1. 1.63 km ESE of Hayward, CA · 20 days ago · 7 km deep · 38 km away
  2. 1.515 km E of Seven Trees, CA · 18 days ago · 2 km deep · 79 km away
  3. 1.77 km SSW of Brentwood, CA · 17 days ago · 16 km deep · 68 km away
  4. 1.81 km SW of Diablo, CA · 14 days ago · 7 km deep · 51 km away
  5. 1.85 km N of Alum Rock, CA · 13 days ago · 0 km deep · 61 km away
  6. 1.98 km NE of Alum Rock, CA · 13 days ago · 7 km deep · 67 km away
  7. 2.52 km ESE of Oakland, CA · 12 days ago · 10 km deep · 30 km away · felt by 64
  8. 2.13 km W of Dublin, CA · 12 days ago · 10 km deep · 45 km away
  9. 2.13 km W of Dublin, CA · 12 days ago · 10 km deep · 45 km away · felt by 1
  10. 2.13 km WNW of Dublin, CA · 12 days ago · 10 km deep · 45 km away
  11. 1.83 km W of Dublin, CA · 11 days ago · 10 km deep · 45 km away
  12. 3.49 km SW of Brentwood, CA · 10 days ago · 18 km deep · 66 km away · felt by 257
  13. 1.616 km E of Seven Trees, CA · 9 days ago · 6 km deep · 80 km away
  14. 2.59 km SW of Brentwood, CA · 9 days ago · 17 km deep · 66 km away · felt by 5
  15. 2.51 km E of Woodside, CA · 8 days ago · 4 km deep · 28 km away · felt by 179
  16. 2.01 km E of Woodside, CA · 8 days ago · 4 km deep · 28 km away · felt by 5
  17. 1.71 km ENE of Woodside, CA · 8 days ago · 4 km deep · 28 km away
  18. 3.09 km SW of Brentwood, CA · 8 days ago · 17 km deep · 65 km away · felt by 52
  19. 2.43 km WNW of Dublin, CA · 7 days ago · 10 km deep · 46 km away · felt by 3
  20. 1.96 km SW of Antioch, CA · 7 days ago · 14 km deep · 67 km away
  21. 2.73 km ESE of Santa Rosa, CA · 6 days ago · 9 km deep · 94 km away · felt by 171
  22. 1.64 km ESE of Santa Rosa, CA · 6 days ago · 8 km deep · 94 km away
  23. 1.94 km ESE of Santa Rosa, CA · 6 days ago · 8 km deep · 94 km away
  24. 1.63 km W of Dublin, CA · 6 days ago · 10 km deep · 45 km away
  25. 2.23 km W of Dublin, CA · 6 days ago · 10 km deep · 46 km away
  26. 2.03 km W of Dublin, CA · 6 days ago · 9 km deep · 46 km away
  27. 2.621 km E of Alum Rock, CA · 5 days ago · 6 km deep · 83 km away · felt by 5
  28. 1.84 km NNE of Pacifica, CA · 5 days ago · 4 km deep · 4 km away
  29. 1.88 km W of Saint Helena, CA · 4 days ago · 8 km deep · 99 km away
  30. 1.87 km W of Saint Helena, CA · 4 days ago · 9 km deep · 99 km away
  31. 2.510 km ENE of Milpitas, CA · 3 days ago · 3 km deep · 61 km away · felt by 9
  32. 2.12 km NE of Pacifica, CA · 2 days ago · 7 km deep · 2 km away · felt by 8
  33. 1.72 km NNE of Pleasant Hill, CA · 35 hr ago · 15 km deep · 55 km away
  34. 2.09 km ESE of Livermore, CA · 30 hr ago · 10 km deep · 70 km away
  35. 1.73 km ENE of San Rafael, CA · 30 hr ago · 11 km deep · 42 km away
  36. 1.58 km E of Alum Rock, CA · 11 hr ago · 2 km deep · 71 km away
  37. 2.32 km SE of Pacifica, CA · 8 hr ago · 9 km deep · 1 km away · felt by 51

Before

  1. 2.03 km SE of Pacifica, CA · 23 days ago · 9 km deep · 1 km away · felt by 7
  2. 1.86 km ESE of Santa Rosa, CA · 24 days ago · 10 km deep · 92 km away
  3. 1.71 km SE of Pacifica, CA · 25 days ago · 10 km deep · 1 km away
  4. 1.611 km SE of Sunol, CA · 26 days ago · 7 km deep · 59 km away
  5. 2.12 km ESE of Pacifica, CA · 26 days ago · 10 km deep · 0 km away · felt by 11
  6. 1.91 km WNW of Lafayette, CA · 27 days ago · 14 km deep · 43 km away · felt by 1
  7. 1.61 km ESE of Pacifica, CA · 31 days ago · 9 km deep · 0 km away
  8. 2.35 km SSW of Alameda, CA · 32 days ago · 16 km deep · 23 km away · felt by 8
  9. 1.53 km ESE of Woodside, CA · 35 days ago · 5 km deep · 31 km away
  10. 1.83 km NNE of Portola Valley, CA · 35 days ago · 5 km deep · 31 km away
  11. 1.76 km SSE of Portola Valley, CA · 35 days ago · 9 km deep · 39 km away
  12. 1.93 km NNE of Portola Valley, CA · 35 days ago · 5 km deep · 31 km away · felt by 1
  13. 2.52 km SE of Concord, CA · 36 days ago · 16 km deep · 57 km away · felt by 13
  14. 1.815 km E of Seven Trees, CA · 38 days ago · 6 km deep · 79 km away
  15. 1.61 km ENE of Hayward, CA · 38 days ago · 6 km deep · 36 km away
  16. 1.62 km WNW of Concord, CA · 39 days ago · 17 km deep · 56 km away
  17. 2.23 km NNE of San Leandro, CA · 40 days ago · 5 km deep · 33 km away · felt by 9
  18. 1.64 km NNE of San Leandro, CA · 40 days ago · 6 km deep · 33 km away
  19. 2.84 km N of San Leandro, CA · 40 days ago · 6 km deep · 33 km away · felt by 227
  20. 3.83 km N of San Leandro, CA · 40 days ago · 6 km deep · 33 km away · felt by 7,876

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75427287. Read Tue, Sep 22, 2026, 11:36 AM UTC.