California earthquakes

M1.5 earthquake 24 km NE of Greenfield, California

A magnitude 1.5 earthquake struck 24 km NE of Greenfield, California on Wed, Feb 25, 1981, 9:21 PM PST (05:21 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M1.8 20 km SSE of Tres Pinos, 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
1.5 (md), micro
Local time
UTC
1981-02-26 05:21:54 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
36.457° N, 121.034° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.38
Depth from
From location
Station coverage gap
147°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 1.820 km SSE of Tres Pinos, California · 16644 days ago · 4 km deep · 25 km away
  2. 1.813 km NW of Pacific Grove, California · 16643 days ago · 8 km deep · 93 km away
  3. 1.54 km W of Gonzales, California · 16642 days ago · 7 km deep · 42 km away
  4. 1.623 km ENE of Soledad, California · 16642 days ago · 4 km deep · 6 km away
  5. 1.612 km SW of Tres Pinos, California · 16641 days ago · 10 km deep · 43 km away
  6. 1.64 km NE of Interlaken, California · 16641 days ago · 12 km deep · 83 km away
  7. 2.04 km NE of Interlaken, California · 16641 days ago · 12 km deep · 83 km away
  8. 2.723 km NE of San Ardo, California · 16641 days ago · 8 km deep · 42 km away
  9. 2.79 km W of Huron, California · 16641 days ago · 5 km deep · 80 km away
  10. 2.127 km NE of Soledad, California · 16640 days ago · 6 km deep · 13 km away
  11. 1.824 km NE of Greenfield, California · 16637 days ago · 1 km deep · 1 km away
  12. 1.78 km NE of Gilroy, California · 16637 days ago · 4 km deep · 78 km away
  13. 1.523 km ENE of Soledad, California · 16637 days ago · 4 km deep · 7 km away
  14. 1.79 km E of San Martin, California · 16637 days ago · 8 km deep · 81 km away
  15. 1.915 km SSE of Tres Pinos, California · 16636 days ago · 3 km deep · 30 km away
  16. 2.12 km ESE of Aromas, California · 16635 days ago · 8 km deep · 70 km away
  17. 2.522 km NE of Soledad, California · 16635 days ago · 4 km deep · 20 km away
  18. 1.824 km NE of Greenfield, California · 16634 days ago · 7 km deep · 3 km away
  19. 3.22 km ESE of Aromas, California · 16634 days ago · 8 km deep · 70 km away
  20. 1.719 km SSE of Tres Pinos, California · 16632 days ago · 7 km deep · 27 km away
  21. 2.122 km NW of Parkfield, California · 16632 days ago · 6 km deep · 60 km away
  22. 3.31 km ENE of Aromas, California · 16631 days ago · 7 km deep · 72 km away
  23. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 72 km away
  24. 1.61 km ENE of Aromas, California · 16631 days ago · 7 km deep · 72 km away
  25. 1.60 km ENE of Aromas, California · 16631 days ago · 6 km deep · 72 km away
  26. 2.21 km ENE of Aromas, California · 16631 days ago · 7 km deep · 72 km away
  27. 2.13 km ESE of Aromas, California · 16631 days ago · 6 km deep · 69 km away
  28. 1.630 km WNW of San Simeon, California · 16628 days ago · 6 km deep · 91 km away
  29. 1.68 km ENE of Gilroy, California · 16628 days ago · 7 km deep · 77 km away
  30. 1.824 km NE of Greenfield, California · 16628 days ago · 4 km deep · 2 km away
  31. 1.723 km NNE of San Lucas, California · 16627 days ago · 8 km deep · 22 km away
  32. 2.14 km ESE of Aromas, California · 16626 days ago · 6 km deep · 68 km away
  33. 1.624 km ENE of Greenfield, California · 16625 days ago · 4 km deep · 2 km away
  34. 1.722 km ENE of Soledad, California · 16623 days ago · 4 km deep · 8 km away
  35. 1.78 km ENE of Gilroy, California · 16622 days ago · 8 km deep · 75 km away
  36. 2.123 km NE of San Ardo, California · 16622 days ago · 7 km deep · 38 km away
  37. 1.63 km NNE of Day Valley, California · 16622 days ago · 15 km deep · 99 km away
  38. 2.85 km NNE of Interlaken, California · 16622 days ago · 12 km deep · 85 km away
  39. 1.714 km SE of Tres Pinos, California · 16621 days ago · 4 km deep · 32 km away
  40. 1.69 km NE of Gilroy, California · 16621 days ago · 9 km deep · 78 km away
  41. 1.627 km ENE of Soledad, California · 16620 days ago · 8 km deep · 10 km away
  42. 1.817 km SSE of Tres Pinos, California · 16620 days ago · 6 km deep · 27 km away
  43. 1.521 km NE of Soledad, California · 16619 days ago · 6 km deep · 20 km away
  44. 1.8Central California · 16619 days ago · 11 km deep · 73 km away
  45. 2.025 km NE of Soledad, California · 16618 days ago · 10 km deep · 15 km away
  46. 1.69 km NE of San Martin, California · 16617 days ago · 7 km deep · 89 km away
  47. 1.60 km SW of Parkfield, California · 16617 days ago · 10 km deep · 82 km away
  48. 1.58 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 41 km away
  49. 2.08 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 42 km away
  50. 2.07 km SSW of Tres Pinos, California · 16617 days ago · 3 km deep · 42 km away
  51. 1.58 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 42 km away
  52. 2.08 km SSW of Tres Pinos, California · 16617 days ago · 4 km deep · 42 km away
  53. 2.14 km SW of Avenal, California · 16616 days ago · 17 km deep · 95 km away
  54. 2.03 km SW of Avenal, California · 16616 days ago · 17 km deep · 95 km away
  55. 1.57 km SSW of Tres Pinos, California · 16616 days ago · 4 km deep · 42 km away
  56. 1.524 km NNE of King City, California · 16616 days ago · 7 km deep · 8 km away
  57. 2.09 km S of Tres Pinos, California · 16616 days ago · 3 km deep · 39 km away
  58. 1.89 km NNE of San Juan Bautista, California · 16615 days ago · 4 km deep · 67 km away
  59. 1.732 km NE of San Lucas, California · 16615 days ago · 8 km deep · 29 km away
  60. 2.824 km NE of Greenfield, California · 16615 days ago · 6 km deep · 2 km away

The first 60 of 134.

Before

  1. 1.58 km ENE of Morgan Hill, California · 16644 days ago · 2 km deep · 92 km away
  2. 1.53 km ENE of Tres Pinos, California · 16645 days ago · 10 km deep · 45 km away
  3. 3.617 km NW of Parkfield, California · 16645 days ago · 5 km deep · 64 km away
  4. 1.621 km NE of Soledad, California · 16645 days ago · 3 km deep · 16 km away
  5. 1.810 km NE of Coalinga, California · 16645 days ago · 11 km deep · 72 km away
  6. 2.33 km ESE of Aromas, California · 16645 days ago · 7 km deep · 69 km away
  7. 1.52 km ESE of Aromas, California · 16646 days ago · 6 km deep · 70 km away
  8. 3.12 km E of Aromas, California · 16646 days ago · 6 km deep · 70 km away
  9. 1.5Central California · 16646 days ago · 7 km deep · 70 km away
  10. 2.53 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 70 km away
  11. 3.12 km ESE of Aromas, California · 16646 days ago · 7 km deep · 70 km away
  12. 3.03 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 70 km away
  13. 1.92 km ESE of Aromas, California · 16646 days ago · 6 km deep · 70 km away
  14. 3.04 km WSW of Coalinga, California · 16647 days ago · 8 km deep · 68 km away
  15. 1.67 km ENE of San Martin, California · 16647 days ago · 3 km deep · 84 km away
  16. 1.610 km NE of San Martin, CA · 16647 days ago · 8 km deep · 89 km away
  17. 1.610 km NNW of Hollister, California · 16647 days ago · 3 km deep · 65 km away
  18. 1.52 km S of San Juan Bautista, California · 16647 days ago · 3 km deep · 60 km away
  19. 3.17 km ENE of San Martin, California · 16647 days ago · 3 km deep · 85 km away
  20. 1.59 km S of Tres Pinos, California · 16648 days ago · 4 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060767. Read Tue, Sep 22, 2026, 10:59 AM UTC.