California earthquakes

M2.2 earthquake 6 km ESE of Sunol, California

A magnitude 2.2 earthquake struck 6 km ESE of Sunol, California on Thu, Dec 4, 1975, 1:18 PM PST (21:18 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.3 4 km SSW of Gilroy, California. This one was a foreshock.

Sunol forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.2 (md), micro
Local time
UTC
1975-12-04 21:18:34 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
37.564° N, 121.828° 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, 0.5 km in depth
Magnitude uncertainty
±0.54
Depth from
From location
Station coverage gap
80°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 2.00 km SE of Danville, California · 18555 days ago · 5 km deep · 32 km away
  2. 2.017 km NW of Pacific Grove, California · 18554 days ago · 6 km deep · 97 km away
  3. 1.81 km NW of Danville, California · 18554 days ago · 8 km deep · 34 km away
  4. 1.99 km NE of San Martin, California · 18554 days ago · 8 km deep · 53 km away
  5. 2.34 km SSW of Gilroy, California · 18553 days ago · 6 km deep · 70 km away
  6. 1.99 km ESE of East Foothills, California · 18552 days ago · 2 km deep · 26 km away
  7. 3.01 km NW of Rollingwood, California · 18552 days ago · 7 km deep · 64 km away
  8. 2.51 km N of San Pablo, California · 18552 days ago · 6 km deep · 64 km away
  9. 1.99 km NNE of Hollister, California · 18552 days ago · 3 km deep · 80 km away
  10. 1.64 km SSW of Gilroy, California · 18551 days ago · 7 km deep · 69 km away
  11. 2.011 km SSE of Livermore, California · 18551 days ago · 5 km deep · 11 km away
  12. 1.94 km WNW of Hollister, California · 18550 days ago · 8 km deep · 84 km away
  13. 1.923 km WSW of Volta, California · 18549 days ago · 4 km deep · 86 km away
  14. 1.96 km NE of East Foothills, California · 18549 days ago · 6 km deep · 18 km away
  15. 3.33 km W of San Juan Bautista, California · 18546 days ago · 7 km deep · 83 km away
  16. 2.73 km S of San Juan Bautista, California · 18546 days ago · 6 km deep · 87 km away
  17. 2.019 km E of East Foothills, California · 18545 days ago · 4 km deep · 29 km away
  18. 2.217 km SW of Gustine, California · 18545 days ago · 5 km deep · 76 km away
  19. 2.19 km ESE of East Foothills, California · 18545 days ago · 5 km deep · 26 km away
  20. 1.812 km N of Morgan Hill, California · 18542 days ago · 6 km deep · 40 km away
  21. 2.59 km NE of San Martin, California · 18540 days ago · 8 km deep · 53 km away
  22. 2.35 km WSW of Gilroy, California · 18540 days ago · 3 km deep · 68 km away
  23. 2.37 km NNE of San Juan Bautista, California · 18540 days ago · 5 km deep · 79 km away
  24. 1.69 km NE of San Martin, California · 18539 days ago · 5 km deep · 52 km away
  25. 1.814 km N of Morgan Hill, California · 18538 days ago · 7 km deep · 38 km away
  26. 2.74 km NW of Broadmoor, California · 18535 days ago · 2 km deep · 63 km away
  27. 3.215 km E of Seven Trees, California · 18535 days ago · 6 km deep · 34 km away
  28. 1.99 km NW of Hollister, California · 18535 days ago · 6 km deep · 79 km away
  29. 2.015 km E of Seven Trees, California · 18535 days ago · 6 km deep · 34 km away
  30. 1.611 km ESE of Seven Trees, California · 18534 days ago · 4 km deep · 36 km away
  31. 2.26 km SE of Sunol, California · 18534 days ago · 6 km deep · 2 km away
  32. 2.015 km NE of East Foothills, California · 18533 days ago · 6 km deep · 15 km away
  33. 3.07 km NW of Hollister, California · 18533 days ago · 8 km deep · 80 km away
  34. 2.415 km SSW of Santa Cruz, California · 18533 days ago · 1 km deep · 83 km away
  35. 1.910 km ESE of Seven Trees, California · 18532 days ago · 3 km deep · 36 km away
  36. 2.314 km E of Seven Trees, California · 18532 days ago · 7 km deep · 31 km away
  37. 3.110 km SE of Livermore, California · 18532 days ago · 5 km deep · 12 km away
  38. 1.810 km SE of Livermore, California · 18532 days ago · 4 km deep · 12 km away
  39. 1.910 km SE of Livermore, California · 18532 days ago · 6 km deep · 12 km away
  40. 1.79 km WSW of Mountain House, California · 18532 days ago · 10 km deep · 27 km away
  41. 3.217 km SSW of Santa Cruz, California · 18532 days ago · 10 km deep · 85 km away
  42. 2.59 km NNW of Hollister, California · 18531 days ago · 4 km deep · 78 km away
  43. 1.89 km NE of San Martin, California · 18531 days ago · 8 km deep · 53 km away
  44. 2.18 km ENE of San Martin, California · 18531 days ago · 8 km deep · 55 km away
  45. 2.72 km WSW of San Juan Bautista, California · 18529 days ago · 5 km deep · 84 km away
  46. 2.47 km SE of Sunol, California · 18529 days ago · 5 km deep · 3 km away
  47. 1.66 km SE of Sunol, California · 18528 days ago · 6 km deep · 2 km away
  48. 2.37 km SE of Sunol, California · 18527 days ago · 6 km deep · 2 km away
  49. 1.57 km SE of Sunol, California · 18527 days ago · 5 km deep · 3 km away
  50. 1.81 km ENE of Alamo, California · 18526 days ago · 13 km deep · 36 km away
  51. 2.34 km WNW of San Juan Bautista, California · 18525 days ago · 6 km deep · 82 km away
  52. 1.90 km NNE of San Pablo, California · 18524 days ago · 5 km deep · 64 km away
  53. 2.42 km ESE of Aromas, California · 18524 days ago · 8 km deep · 78 km away
  54. 1.815 km E of Seven Trees, California · 18524 days ago · 6 km deep · 34 km away
  55. 2.69 km NE of San Juan Bautista, California · 18523 days ago · 3 km deep · 79 km away
  56. 2.22 km SW of Hollister, California · 18523 days ago · 6 km deep · 89 km away
  57. 2.52 km SW of Hollister, California · 18523 days ago · 7 km deep · 88 km away
  58. 1.84 km SW of Hollister, California · 18523 days ago · 7 km deep · 89 km away
  59. 1.82 km SW of Hollister, California · 18523 days ago · 5 km deep · 89 km away
  60. 2.54 km SW of Hollister, California · 18522 days ago · 5 km deep · 89 km away

The first 60 of 118.

Before

  1. 2.57 km SSE of San Juan Bautista, California · 18557 days ago · 8 km deep · 91 km away
  2. 2.65 km SW of Gilroy, California · 18557 days ago · 4 km deep · 68 km away
  3. 2.010 km NNW of Hollister, California · 18557 days ago · 5 km deep · 78 km away
  4. 2.04 km WNW of Orinda, California · 18558 days ago · 8 km deep · 50 km away
  5. 2.01 km NE of Danville, California · 18558 days ago · 6 km deep · 33 km away
  6. 2.1Northern California · 18558 days ago · 8 km deep · 33 km away
  7. 1.91 km ENE of Danville, California · 18558 days ago · 6 km deep · 33 km away
  8. 2.35 km E of Vallejo, California · 18558 days ago · 7 km deep · 69 km away
  9. 1.6Central California · 18558 days ago · 8 km deep · 79 km away
  10. 2.68 km NE of San Juan Bautista, California · 18558 days ago · 5 km deep · 79 km away
  11. 2.25 km ESE of Alum Rock, California · 18559 days ago · 3 km deep · 24 km away
  12. 2.51 km NE of Danville, California · 18559 days ago · 7 km deep · 33 km away
  13. 1.91 km NW of Corralitos, California · 18559 days ago · 14 km deep · 63 km away
  14. 2.01 km NE of Danville, California · 18559 days ago · 7 km deep · 33 km away
  15. 2.23 km N of Pittsburg, California · 18560 days ago · 18 km deep · 56 km away
  16. 3.29 km E of San Martin, California · 18560 days ago · 8 km deep · 61 km away
  17. 1.74 km S of Blackhawk, California · 18560 days ago · 8 km deep · 26 km away
  18. 1.99 km NNW of Hollister, California · 18562 days ago · 4 km deep · 78 km away
  19. 2.05 km SW of Gilroy, California · 18563 days ago · 6 km deep · 68 km away
  20. 2.716 km NW of Pacific Grove, California · 18563 days ago · 3 km deep · 96 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1027808. Read Tue, Sep 22, 2026, 10:31 PM UTC.