California earthquakes

M1.8 earthquake 23 km NE of Greenfield, California

A magnitude 1.8 earthquake struck 23 km NE of Greenfield, California on Mon, Jun 1, 1981, 11:51 AM PDT (18:51 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.3 4 km SW 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-06-01 18:51:06 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
36.463° N, 121.043° 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, 0.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
71°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 147 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 1.612 km W of Avenal, California · 16559 days ago · 8 km deep · 86 km away
  2. 1.626 km NE of Soledad, California · 16558 days ago · 12 km deep · 13 km away
  3. 2.77 km WSW of Gilroy, California · 16557 days ago · 5 km deep · 78 km away
  4. 2.47 km WSW of Gilroy, California · 16557 days ago · 5 km deep · 78 km away
  5. 1.724 km ENE of Greenfield, California · 16557 days ago · 5 km deep · 4 km away
  6. 1.77 km WSW of Gilroy, California · 16554 days ago · 5 km deep · 78 km away
  7. 1.69 km NNE of Hollister, California · 16554 days ago · 7 km deep · 60 km away
  8. 1.618 km NW of Parkfield, California · 16553 days ago · 4 km deep · 65 km away
  9. 2.416 km ENE of Gonzales, California · 16553 days ago · 12 km deep · 24 km away
  10. 4.34 km SW of Tres Pinos, California · 16552 days ago · 10 km deep · 43 km away
  11. 2.221 km ESE of Tres Pinos, California · 16552 days ago · 5 km deep · 26 km away
  12. 2.219 km NW of Parkfield, California · 16552 days ago · 4 km deep · 64 km away
  13. 2.022 km NE of Soledad, California · 16552 days ago · 3 km deep · 11 km away
  14. 1.530 km WNW of Three Rocks, California · 16551 days ago · 4 km deep · 30 km away
  15. 1.929 km WNW of Three Rocks, California · 16550 days ago · 10 km deep · 34 km away
  16. 1.525 km NE of Soledad, California · 16550 days ago · 8 km deep · 12 km away
  17. 2.723 km NE of San Lucas, California · 16549 days ago · 10 km deep · 26 km away
  18. 2.53 km ESE of Aromas, California · 16549 days ago · 6 km deep · 68 km away
  19. 2.611 km W of Huron, California · 16547 days ago · 8 km deep · 79 km away
  20. 2.4Central California · 16547 days ago · 6 km deep · 58 km away
  21. 3.22 km ESE of Aromas, California · 16546 days ago · 6 km deep · 69 km away
  22. 3.02 km ESE of Aromas, California · 16546 days ago · 6 km deep · 69 km away
  23. 1.62 km ESE of Aromas, California · 16546 days ago · 5 km deep · 69 km away
  24. 1.58 km ENE of Day Valley, California · 16545 days ago · 9 km deep · 93 km away
  25. 2.13 km S of San Juan Bautista, California · 16545 days ago · 6 km deep · 59 km away
  26. 1.627 km NW of San Simeon, California · 16543 days ago · 9 km deep · 77 km away
  27. 2.23 km NNW of Hollister, California · 16542 days ago · 7 km deep · 57 km away
  28. 2.58 km ENE of Gilroy, California · 16542 days ago · 8 km deep · 75 km away
  29. 2.49 km NNW of Hollister, California · 16542 days ago · 4 km deep · 63 km away
  30. 2.621 km NE of Soledad, California · 16541 days ago · 7 km deep · 19 km away
  31. 2.121 km NE of Soledad, California · 16541 days ago · 7 km deep · 19 km away
  32. 2.210 km NNW of Hollister, California · 16541 days ago · 4 km deep · 63 km away
  33. 2.121 km NE of Soledad, California · 16541 days ago · 7 km deep · 19 km away
  34. 1.87 km NNE of Interlaken, California · 16541 days ago · 10 km deep · 85 km away
  35. 1.91 km WNW of Parkfield, California · 16541 days ago · 5 km deep · 82 km away
  36. 2.21 km WNW of Parkfield, California · 16541 days ago · 5 km deep · 82 km away
  37. 3.06 km NE of Cambria, California · 16541 days ago · 5 km deep · 95 km away
  38. 2.76 km NE of Cambria, California · 16541 days ago · 4 km deep · 95 km away
  39. 2.210 km NNW of Hollister, California · 16540 days ago · 4 km deep · 63 km away
  40. 1.510 km WNW of Lemoore Station, California · 16540 days ago · 10 km deep · 94 km away
  41. 1.65 km SW of Gilroy, California · 16539 days ago · 2 km deep · 76 km away
  42. 2.94 km N of Hollister, California · 16539 days ago · 8 km deep · 58 km away
  43. 2.526 km NE of Soledad, California · 16537 days ago · 8 km deep · 13 km away
  44. 1.714 km ENE of Big Sur, California · 16537 days ago · 7 km deep · 57 km away
  45. 2.213 km ENE of Big Sur, California · 16537 days ago · 7 km deep · 58 km away
  46. 1.97 km NW of Huron, California · 16537 days ago · 18 km deep · 83 km away
  47. 2.133 km ENE of San Lucas, California · 16536 days ago · 8 km deep · 37 km away
  48. 3.522 km W of Three Rocks, California · 16536 days ago · 11 km deep · 36 km away
  49. 2.122 km NE of Soledad, California · 16536 days ago · 2 km deep · 11 km away
  50. 2.023 km ENE of Soledad, California · 16535 days ago · 7 km deep · 10 km away
  51. 2.423 km ENE of Soledad, California · 16535 days ago · 7 km deep · 10 km away
  52. 2.138 km W of Three Rocks, California · 16535 days ago · 6 km deep · 22 km away
  53. 1.722 km NW of Parkfield, California · 16535 days ago · 3 km deep · 60 km away
  54. 3.122 km NNE of Soledad, California · 16535 days ago · 7 km deep · 20 km away
  55. 1.519 km W of San Simeon, California · 16534 days ago · 4 km deep · 97 km away
  56. 1.629 km ENE of Greenfield, California · 16534 days ago · 0 km deep · 7 km away
  57. 1.913 km ENE of Big Sur, California · 16533 days ago · 6 km deep · 58 km away
  58. 1.638 km W of Three Rocks, California · 16532 days ago · 8 km deep · 22 km away
  59. 1.528 km NE of Soledad, California · 16532 days ago · 11 km deep · 13 km away
  60. 2.02 km WSW of San Juan Bautista, California · 16531 days ago · 7 km deep · 63 km away

The first 60 of 147.

Before

  1. 1.95 km SE of Aromas, California · 16559 days ago · 6 km deep · 66 km away
  2. 1.63 km NE of Day Valley, California · 16559 days ago · 3 km deep · 96 km away
  3. 1.99 km SE of Big Sur, California · 16559 days ago · 15 km deep · 69 km away
  4. 1.816 km SSE of Tres Pinos, California · 16560 days ago · 9 km deep · 29 km away
  5. 2.717 km NNW of San Simeon, California · 16560 days ago · 9 km deep · 79 km away
  6. 2.338 km W of Three Rocks, California · 16560 days ago · 7 km deep · 22 km away
  7. 1.622 km ENE of San Lucas, California · 16561 days ago · 9 km deep · 33 km away
  8. 1.624 km NE of King City, California · 16561 days ago · 5 km deep · 14 km away
  9. 2.112 km NW of Huron, California · 16561 days ago · 19 km deep · 79 km away
  10. 2.121 km NE of Soledad, California · 16561 days ago · 2 km deep · 13 km away
  11. 2.132 km NW of Coalinga, California · 16562 days ago · 14 km deep · 39 km away
  12. 2.35 km SW of Ridgemark, California · 16563 days ago · 10 km deep · 48 km away
  13. 2.36 km SW of Ridgemark, California · 16563 days ago · 8 km deep · 47 km away
  14. 1.85 km SW of Ridgemark, California · 16563 days ago · 10 km deep · 48 km away
  15. 2.05 km SW of Ridgemark, California · 16563 days ago · 10 km deep · 48 km away
  16. 2.39 km NNW of Hollister, California · 16564 days ago · 4 km deep · 63 km away
  17. 2.45 km S of Gilroy, California · 16564 days ago · 7 km deep · 72 km away
  18. 1.99 km ENE of Gilroy, California · 16564 days ago · 8 km deep · 73 km away
  19. 1.79 km NE of Gilroy, California · 16565 days ago · 8 km deep · 78 km away
  20. 1.820 km ESE of Tres Pinos, California · 16565 days ago · 6 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064192. Read Fri, Oct 2, 2026, 1:18 PM UTC.