California earthquakes

M1.6 earthquake 15 km SSE of Livermore, California

A magnitude 1.6 earthquake struck 15 km SSE of Livermore, California on Sat, Feb 28, 1981, 11:33 AM PST (19:33 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M1.6 15 km SSE of Livermore, California. This one was a foreshock.

Livermore 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
1981-02-28 19:33:23 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
37.563° N, 121.686° 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, 0.8 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
58°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 1.615 km SSE of Livermore, California · 16641 days ago · 2 km deep · 0 km away
  2. 1.715 km SSE of Livermore, California · 16641 days ago · 3 km deep · 0 km away
  3. 1.79 km ESE of East Foothills, California · 16641 days ago · 9 km deep · 23 km away
  4. 1.612 km SW of Tres Pinos, California · 16641 days ago · 10 km deep · 99 km away
  5. 2.614 km SSE of Livermore, California · 16641 days ago · 2 km deep · 0 km away
  6. 1.64 km NE of Interlaken, California · 16641 days ago · 12 km deep · 65 km away
  7. 2.04 km NE of Interlaken, California · 16641 days ago · 12 km deep · 65 km away
  8. 1.712 km N of Morgan Hill, California · 16640 days ago · 7 km deep · 35 km away
  9. 2.34 km E of Fremont, California · 16639 days ago · 10 km deep · 22 km away
  10. 4.45 km E of Fremont, California · 16639 days ago · 12 km deep · 22 km away
  11. 2.25 km E of Fremont, California · 16639 days ago · 10 km deep · 21 km away
  12. 2.15 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  13. 3.05 km E of Fremont, California · 16639 days ago · 11 km deep · 22 km away
  14. 1.74 km E of Fremont, California · 16639 days ago · 8 km deep · 22 km away
  15. 1.65 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  16. 2.45 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  17. 1.64 km E of Fremont, California · 16639 days ago · 14 km deep · 22 km away
  18. 1.65 km E of Fremont, California · 16639 days ago · 6 km deep · 22 km away
  19. 1.86 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  20. 2.15 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  21. 1.75 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  22. 1.85 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  23. 1.73 km E of Fremont, California · 16639 days ago · 8 km deep · 23 km away
  24. 2.05 km E of Fremont, California · 16639 days ago · 9 km deep · 21 km away
  25. 1.74 km E of Fremont, California · 16639 days ago · 9 km deep · 22 km away
  26. 1.65 km E of Fremont, California · 16639 days ago · 10 km deep · 22 km away
  27. 1.84 km E of Fremont, California · 16639 days ago · 9 km deep · 22 km away
  28. 1.85 km SSW of Sunol, California · 16639 days ago · 11 km deep · 21 km away
  29. 2.39 km NNE of Livermore, California · 16639 days ago · 13 km deep · 22 km away
  30. 1.64 km E of Fremont, California · 16638 days ago · 8 km deep · 22 km away
  31. 1.94 km E of Fremont, California · 16638 days ago · 10 km deep · 22 km away
  32. 1.85 km E of Fremont, California · 16638 days ago · 10 km deep · 22 km away
  33. 1.66 km ENE of East Foothills, California · 16638 days ago · 4 km deep · 18 km away
  34. 1.78 km NE of Gilroy, California · 16637 days ago · 4 km deep · 59 km away
  35. 1.62 km ENE of Pacheco, California · 16637 days ago · 15 km deep · 58 km away
  36. 1.79 km E of San Martin, California · 16637 days ago · 8 km deep · 56 km away
  37. 1.64 km E of Fremont, California · 16636 days ago · 8 km deep · 22 km away
  38. 2.12 km ESE of Aromas, California · 16635 days ago · 8 km deep · 76 km away
  39. 3.22 km ESE of Aromas, California · 16634 days ago · 8 km deep · 76 km away
  40. 1.73 km SW of Davenport, California · 16634 days ago · 7 km deep · 80 km away
  41. 2.714 km E of Seven Trees, California · 16633 days ago · 7 km deep · 29 km away
  42. 1.82 km SSW of Pittsburg, California · 16632 days ago · 18 km deep · 52 km away
  43. 3.31 km ENE of Aromas, California · 16631 days ago · 7 km deep · 75 km away
  44. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 75 km away
  45. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 75 km away
  46. 1.60 km ENE of Aromas, California · 16631 days ago · 6 km deep · 75 km away
  47. 2.21 km ENE of Aromas, California · 16631 days ago · 7 km deep · 75 km away
  48. 2.13 km ESE of Aromas, California · 16631 days ago · 6 km deep · 77 km away
  49. 1.75 km E of Fremont, California · 16629 days ago · 5 km deep · 21 km away
  50. 1.813 km N of Morgan Hill, California · 16628 days ago · 6 km deep · 35 km away
  51. 1.75 km E of Fremont, California · 16628 days ago · 9 km deep · 22 km away
  52. 1.68 km ENE of Gilroy, California · 16628 days ago · 7 km deep · 60 km away
  53. 2.17 km NNE of Milpitas, California · 16628 days ago · 0 km deep · 19 km away
  54. 1.69 km ESE of East Foothills, California · 16628 days ago · 8 km deep · 23 km away
  55. 1.73 km N of Piedmont, California · 16628 days ago · 11 km deep · 58 km away
  56. 3.19 km SW of Brentwood, California · 16627 days ago · 16 km deep · 34 km away
  57. 2.14 km ESE of Aromas, California · 16626 days ago · 6 km deep · 78 km away
  58. 2.314 km E of Seven Trees, California · 16625 days ago · 2 km deep · 30 km away
  59. 1.614 km E of Seven Trees, California · 16623 days ago · 1 km deep · 30 km away
  60. 1.78 km ENE of Gilroy, California · 16622 days ago · 8 km deep · 62 km away

The first 60 of 133.

Before

  1. 1.61 km NNW of Pleasant Hill, California · 16642 days ago · 8 km deep · 56 km away
  2. 2.011 km E of Blackhawk, California · 16644 days ago · 11 km deep · 31 km away
  3. 1.58 km ENE of Morgan Hill, California · 16644 days ago · 2 km deep · 46 km away
  4. 1.53 km ENE of Tres Pinos, California · 16645 days ago · 10 km deep · 91 km away
  5. 2.33 km ESE of Aromas, California · 16645 days ago · 7 km deep · 77 km away
  6. 1.52 km ESE of Aromas, California · 16646 days ago · 6 km deep · 76 km away
  7. 3.12 km E of Aromas, California · 16646 days ago · 6 km deep · 76 km away
  8. 1.5Central California · 16646 days ago · 7 km deep · 76 km away
  9. 2.53 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 76 km away
  10. 3.12 km ESE of Aromas, California · 16646 days ago · 7 km deep · 76 km away
  11. 3.03 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 76 km away
  12. 1.92 km ESE of Aromas, California · 16646 days ago · 6 km deep · 76 km away
  13. 1.67 km ENE of San Martin, California · 16647 days ago · 3 km deep · 53 km away
  14. 1.610 km NE of San Martin, CA · 16647 days ago · 8 km deep · 48 km away
  15. 1.610 km NNW of Hollister, California · 16647 days ago · 3 km deep · 73 km away
  16. 1.52 km S of San Juan Bautista, California · 16647 days ago · 3 km deep · 84 km away
  17. 3.17 km ENE of San Martin, California · 16647 days ago · 3 km deep · 53 km away
  18. 2.87 km ENE of San Martin, California · 16648 days ago · 3 km deep · 53 km away
  19. 2.27 km ENE of San Martin, California · 16648 days ago · 3 km deep · 53 km away
  20. 2.43 km ESE of Aromas, California · 16648 days ago · 7 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060849. Read Tue, Sep 22, 2026, 9:38 AM UTC.