California earthquakes

M3.3 earthquake 1 km ENE of Aromas, California

A magnitude 3.3 earthquake struck 1 km ENE of Aromas, California on Tue, Mar 10, 1981, 3:56 PM PST (23:56 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.4 10 km NNE of Livermore, California. This one was a foreshock.

Aromas 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
3.3 (ml), minor
Local time
UTC
1981-03-10 23:56:34 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
36.893° N, 121.629° 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, 0.3 km in depth
Depth from
From location
Station coverage gap
47°
Stations used
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 140 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 0 km away
  2. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 0 km away
  3. 1.60 km ENE of Aromas, California · 16631 days ago · 6 km deep · 0 km away
  4. 2.21 km ENE of Aromas, California · 16631 days ago · 7 km deep · 0 km away
  5. 2.13 km ESE of Aromas, California · 16631 days ago · 6 km deep · 3 km away
  6. 1.75 km E of Fremont, California · 16629 days ago · 5 km deep · 77 km away
  7. 1.813 km N of Morgan Hill, California · 16628 days ago · 6 km deep · 40 km away
  8. 1.75 km E of Fremont, California · 16628 days ago · 9 km deep · 78 km away
  9. 1.68 km ENE of Gilroy, California · 16628 days ago · 7 km deep · 21 km away
  10. 2.17 km NNE of Milpitas, California · 16628 days ago · 0 km deep · 70 km away
  11. 1.69 km ESE of East Foothills, California · 16628 days ago · 8 km deep · 52 km away
  12. 1.824 km NE of Greenfield, California · 16628 days ago · 4 km deep · 74 km away
  13. 1.723 km NNE of San Lucas, California · 16627 days ago · 8 km deep · 93 km away
  14. 2.14 km ESE of Aromas, California · 16626 days ago · 6 km deep · 4 km away
  15. 2.314 km E of Seven Trees, California · 16625 days ago · 2 km deep · 45 km away
  16. 1.624 km ENE of Greenfield, California · 16625 days ago · 4 km deep · 74 km away
  17. 1.722 km ENE of Soledad, California · 16623 days ago · 4 km deep · 64 km away
  18. 1.614 km E of Seven Trees, California · 16623 days ago · 1 km deep · 45 km away
  19. 1.78 km ENE of Gilroy, California · 16622 days ago · 8 km deep · 21 km away
  20. 1.63 km NNE of Day Valley, California · 16622 days ago · 15 km deep · 27 km away
  21. 2.85 km NNE of Interlaken, California · 16622 days ago · 12 km deep · 14 km away
  22. 1.714 km SE of Tres Pinos, California · 16621 days ago · 4 km deep · 44 km away
  23. 1.69 km NE of Gilroy, California · 16621 days ago · 9 km deep · 23 km away
  24. 1.64 km NW of Dublin, California · 16621 days ago · 7 km deep · 98 km away
  25. 1.627 km ENE of Soledad, California · 16620 days ago · 8 km deep · 64 km away
  26. 2.115 km E of Seven Trees, California · 16620 days ago · 3 km deep · 44 km away
  27. 1.817 km SSE of Tres Pinos, California · 16620 days ago · 6 km deep · 45 km away
  28. 2.314 km E of Seven Trees, California · 16620 days ago · 4 km deep · 44 km away
  29. 2.37 km E of East Foothills, California · 16619 days ago · 8 km deep · 54 km away
  30. 1.521 km NE of Soledad, California · 16619 days ago · 6 km deep · 52 km away
  31. 2.025 km NE of Soledad, California · 16618 days ago · 10 km deep · 58 km away
  32. 1.69 km NE of San Martin, California · 16617 days ago · 7 km deep · 29 km away
  33. 1.58 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 31 km away
  34. 2.08 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 30 km away
  35. 2.07 km SSW of Tres Pinos, California · 16617 days ago · 3 km deep · 30 km away
  36. 1.58 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 30 km away
  37. 3.114 km SSE of Livermore, California · 16617 days ago · 2 km deep · 75 km away
  38. 2.08 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 30 km away
  39. 1.713 km N of Morgan Hill, California · 16616 days ago · 6 km deep · 40 km away
  40. 1.57 km SSW of Tres Pinos, California · 16616 days ago · 4 km deep · 30 km away
  41. 1.524 km NNE of King City, California · 16616 days ago · 7 km deep · 80 km away
  42. 2.09 km S of Tres Pinos, California · 16616 days ago · 3 km deep · 33 km away
  43. 1.614 km SSE of Livermore, California · 16616 days ago · 2 km deep · 75 km away
  44. 1.89 km NNE of San Juan Bautista, California · 16615 days ago · 4 km deep · 12 km away
  45. 2.824 km NE of Greenfield, California · 16615 days ago · 6 km deep · 70 km away
  46. 2.42 km SSW of Hollister, California · 16614 days ago · 9 km deep · 21 km away
  47. 1.921 km NE of Soledad, California · 16614 days ago · 6 km deep · 59 km away
  48. 1.710 km E of San Martin, California · 16614 days ago · 9 km deep · 25 km away
  49. 1.515 km SSE of Livermore, California · 16614 days ago · 2 km deep · 74 km away
  50. 2.94 km SSW of Ridgemark, CA · 16614 days ago · 3 km deep · 25 km away
  51. 1.6Central California · 16613 days ago · 4 km deep · 83 km away
  52. 2.224 km ENE of Greenfield, California · 16612 days ago · 7 km deep · 78 km away
  53. 1.525 km NE of Greenfield, California · 16611 days ago · 6 km deep · 72 km away
  54. 2.112 km NNW of Hollister, California · 16611 days ago · 4 km deep · 17 km away
  55. 1.724 km NE of Greenfield, California · 16611 days ago · 6 km deep · 69 km away
  56. 1.70 km WNW of Hollister, California · 16610 days ago · 8 km deep · 20 km away
  57. 2.124 km NE of Greenfield, California · 16610 days ago · 6 km deep · 70 km away
  58. 2.07 km SSW of Tres Pinos, California · 16610 days ago · 3 km deep · 30 km away
  59. 1.63 km WSW of Hollister, California · 16609 days ago · 7 km deep · 18 km away
  60. 1.68 km NE of San Martin, California · 16609 days ago · 6 km deep · 28 km away

The first 60 of 140.

Before

  1. 1.719 km SSE of Tres Pinos, California · 16632 days ago · 7 km deep · 45 km away
  2. 2.714 km E of Seven Trees, California · 16633 days ago · 7 km deep · 46 km away
  3. 1.73 km SW of Davenport, California · 16634 days ago · 7 km deep · 54 km away
  4. 3.22 km ESE of Aromas, California · 16634 days ago · 8 km deep · 2 km away
  5. 1.824 km NE of Greenfield, California · 16634 days ago · 7 km deep · 69 km away
  6. 2.522 km NE of Soledad, California · 16635 days ago · 4 km deep · 52 km away
  7. 2.12 km ESE of Aromas, California · 16635 days ago · 8 km deep · 2 km away
  8. 1.915 km SSE of Tres Pinos, California · 16636 days ago · 3 km deep · 42 km away
  9. 1.64 km E of Fremont, California · 16636 days ago · 8 km deep · 78 km away
  10. 1.79 km E of San Martin, California · 16637 days ago · 8 km deep · 24 km away
  11. 1.523 km ENE of Soledad, California · 16637 days ago · 4 km deep · 65 km away
  12. 1.78 km NE of Gilroy, California · 16637 days ago · 4 km deep · 22 km away
  13. 1.824 km NE of Greenfield, California · 16637 days ago · 1 km deep · 71 km away
  14. 1.66 km ENE of East Foothills, California · 16638 days ago · 4 km deep · 58 km away
  15. 1.85 km E of Fremont, California · 16638 days ago · 10 km deep · 78 km away
  16. 1.94 km E of Fremont, California · 16638 days ago · 10 km deep · 78 km away
  17. 1.64 km E of Fremont, California · 16638 days ago · 8 km deep · 78 km away
  18. 2.39 km NNE of Livermore, California · 16639 days ago · 13 km deep · 96 km away
  19. 1.85 km SSW of Sunol, California · 16639 days ago · 11 km deep · 78 km away
  20. 1.84 km E of Fremont, California · 16639 days ago · 9 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1061230 (also filed as usp0001cn0). Read Tue, Sep 22, 2026, 10:41 AM UTC.