California earthquakes

M2.5 earthquake 9 km NNE of Livermore, California

A magnitude 2.5 earthquake struck 9 km NNE of Livermore, California on Thu, Jan 1, 1981, 4:02 PM PST (00:02 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.9 1 km N of Pleasant Hill, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (md), micro
Local time
UTC
1981-01-02 00:02:10 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
37.763° N, 121.722° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
89°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 1.99 km NE of Gilroy, California · 16698 days ago · 9 km deep · 80 km away
  2. 1.615 km E of Seven Trees, California · 16698 days ago · 2 km deep · 53 km away
  3. 2.91 km N of Pleasant Hill, California · 16696 days ago · 10 km deep · 37 km away
  4. 1.615 km SE of Livermore, California · 16696 days ago · 2 km deep · 23 km away
  5. 1.56 km NE of East Foothills, California · 16695 days ago · 7 km deep · 39 km away
  6. 2.14 km SSE of Pittsburg, California · 16695 days ago · 14 km deep · 28 km away
  7. 1.78 km SE of Lexington Hills, California · 16695 days ago · 13 km deep · 73 km away
  8. 4.52 km SE of Aromas, California · 16694 days ago · 9 km deep · 99 km away
  9. 1.91 km ESE of Aromas, California · 16694 days ago · 8 km deep · 98 km away
  10. 1.61 km ESE of Aromas, California · 16694 days ago · 8 km deep · 98 km away
  11. 2.12 km NNE of San Leandro, California · 16694 days ago · 3 km deep · 37 km away
  12. 1.712 km SE of Sunol, California · 16694 days ago · 5 km deep · 26 km away
  13. 1.610 km SW of Brentwood, California · 16692 days ago · 16 km deep · 12 km away
  14. 1.68 km NW of Hollister, California · 16692 days ago · 7 km deep · 97 km away
  15. 1.813 km N of Morgan Hill, California · 16691 days ago · 3 km deep · 58 km away
  16. 2.214 km ENE of Seven Trees, California · 16691 days ago · 7 km deep · 50 km away
  17. 2.419 km E of East Foothills, California · 16690 days ago · 6 km deep · 44 km away
  18. 2.54 km ENE of Penngrove, California · 16690 days ago · 0 km deep · 99 km away
  19. 2.18 km ENE of Gilroy, California · 16690 days ago · 9 km deep · 83 km away
  20. 1.916 km SE of Livermore, California · 16689 days ago · 6 km deep · 22 km away
  21. 1.62 km SSW of Moskowite Corner, California · 16689 days ago · 11 km deep · 85 km away
  22. 2.67 km ENE of Gilroy, California · 16687 days ago · 7 km deep · 84 km away
  23. 1.81 km ESE of Pittsburg, California · 16687 days ago · 17 km deep · 32 km away
  24. 4.87 km E of East Foothills, California · 16686 days ago · 9 km deep · 43 km away
  25. 3.06 km E of East Foothills, California · 16686 days ago · 7 km deep · 43 km away
  26. 1.910 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 46 km away
  27. 1.710 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 47 km away
  28. 2.17 km E of East Foothills, California · 16686 days ago · 8 km deep · 43 km away
  29. 1.610 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 47 km away
  30. 2.411 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 48 km away
  31. 2.211 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 48 km away
  32. 1.59 km ESE of East Foothills, California · 16686 days ago · 8 km deep · 45 km away
  33. 2.48 km NW of Hollister, California · 16686 days ago · 9 km deep · 98 km away
  34. 1.511 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 48 km away
  35. 1.710 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 46 km away
  36. 1.610 km ESE of East Foothills, California · 16686 days ago · 7 km deep · 47 km away
  37. 1.612 km ESE of East Foothills, California · 16684 days ago · 7 km deep · 48 km away
  38. 1.61 km SW of Alamo, California · 16683 days ago · 9 km deep · 30 km away
  39. 1.75 km NNE of Pittsburg, California · 16683 days ago · 12 km deep · 37 km away
  40. 1.85 km SSW of Gilroy, California · 16682 days ago · 6 km deep · 90 km away
  41. 2.53 km ESE of Berkeley, California · 16681 days ago · 12 km deep · 46 km away
  42. 2.610 km SW of Brentwood, California · 16681 days ago · 16 km deep · 10 km away
  43. 1.810 km ENE of Milpitas, California · 16681 days ago · 6 km deep · 33 km away
  44. 2.08 km NW of Hollister, California · 16681 days ago · 7 km deep · 97 km away
  45. 2.021 km SW of Diablo Grande, California · 16680 days ago · 34 km deep · 63 km away
  46. 1.68 km NE of Gilroy, California · 16680 days ago · 6 km deep · 82 km away
  47. 1.71 km S of Discovery Bay, California · 16679 days ago · 11 km deep · 18 km away
  48. 2.47 km SW of Brentwood, California · 16678 days ago · 16 km deep · 13 km away
  49. 2.010 km NNE of Livermore, California · 16678 days ago · 12 km deep · 0 km away
  50. 1.812 km ESE of East Foothills, California · 16677 days ago · 4 km deep · 49 km away
  51. 1.66 km NNE of Interlaken, California · 16677 days ago · 7 km deep · 84 km away
  52. 1.92 km N of Monte Sereno, California · 16677 days ago · 4 km deep · 61 km away
  53. 1.810 km SW of Brentwood, California · 16676 days ago · 14 km deep · 11 km away
  54. 2.014 km SSE of Livermore, California · 16676 days ago · 2 km deep · 22 km away
  55. 1.83 km SW of Muir Beach, California · 16676 days ago · 2 km deep · 78 km away
  56. 2.61 km N of Pleasant Hill, California · 16675 days ago · 9 km deep · 37 km away
  57. 1.610 km ENE of Seven Trees, California · 16675 days ago · 3 km deep · 50 km away
  58. 1.72 km N of Ashland, California · 16675 days ago · 6 km deep · 35 km away
  59. 1.58 km ENE of Gilroy, California · 16675 days ago · 6 km deep · 82 km away
  60. 2.06 km ENE of San Martin, California · 16674 days ago · 5 km deep · 76 km away

The first 60 of 146.

Before

  1. 2.15 km NE of East Foothills, California · 16699 days ago · 7 km deep · 39 km away
  2. 1.818 km ENE of East Foothills, California · 16699 days ago · 8 km deep · 34 km away
  3. 1.5Northern California · 16700 days ago · 7 km deep · 51 km away
  4. 2.12 km NW of Emerald Lake Hills, California · 16701 days ago · 3 km deep · 59 km away
  5. 1.84 km ESE of San Ramon, California · 16701 days ago · 8 km deep · 18 km away
  6. 3.51 km NNE of Ashland, California · 16701 days ago · 10 km deep · 34 km away
  7. 2.20 km ESE of Concord, California · 16703 days ago · 15 km deep · 35 km away
  8. 1.84 km ESE of San Ramon, California · 16704 days ago · 7 km deep · 18 km away
  9. 1.918 km S of Tracy, California · 16704 days ago · 0 km deep · 33 km away
  10. 2.010 km NNW of Hollister, California · 16704 days ago · 1 km deep · 95 km away
  11. 2.00 km ESE of Concord, California · 16705 days ago · 14 km deep · 36 km away
  12. 1.93 km SW of San Bruno, California · 16705 days ago · 11 km deep · 66 km away
  13. 1.94 km ESE of Union City, California · 16706 days ago · 8 km deep · 29 km away
  14. 1.68 km NE of Gilroy, California · 16706 days ago · 5 km deep · 81 km away
  15. 1.615 km E of Seven Trees, California · 16706 days ago · 8 km deep · 53 km away
  16. 3.210 km NNW of Hollister, California · 16708 days ago · 3 km deep · 95 km away
  17. 3.410 km NNW of Hollister, California · 16708 days ago · 3 km deep · 95 km away
  18. 1.66 km ENE of East Foothills, California · 16708 days ago · 9 km deep · 39 km away
  19. 1.9Northern California · 16710 days ago · 3 km deep · 66 km away
  20. 1.99 km NE of Gilroy, California · 16710 days ago · 9 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1058792. Read Tue, Sep 22, 2026, 9:20 AM UTC.