California earthquakes

M1.8 earthquake 24 km NE of Greenfield, California

A magnitude 1.8 earthquake struck 24 km NE of Greenfield, California on Sun, Aug 15, 1982, 3:59 AM PDT (10:59 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.5 8 km NE of Corralitos, California. This one was a foreshock.

Greenfield 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
1.8 (md), micro
Local time
UTC
1982-08-15 10:59:52 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
36.462° N, 121.038° 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, 0.7 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
72°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 110 in the 30 days before it.

After

  1. 2.015 km SSE of Tres Pinos, California · 16116 days ago · 7 km deep · 30 km away
  2. 1.620 km SSE of Tres Pinos, California · 16116 days ago · 4 km deep · 25 km away
  3. 2.320 km SSE of Tres Pinos, California · 16116 days ago · 5 km deep · 25 km away
  4. 1.98 km ENE of Interlaken, California · 16115 days ago · 3 km deep · 81 km away
  5. 1.98 km WSW of Gilroy, California · 16115 days ago · 3 km deep · 80 km away
  6. 2.816 km SSE of Tres Pinos, California · 16115 days ago · 6 km deep · 30 km away
  7. 1.916 km SSE of Tres Pinos, California · 16115 days ago · 6 km deep · 29 km away
  8. 1.616 km SSE of Tres Pinos, California · 16115 days ago · 6 km deep · 29 km away
  9. 1.516 km SSE of Tres Pinos, California · 16115 days ago · 9 km deep · 30 km away
  10. 1.616 km SSE of Tres Pinos, California · 16115 days ago · 9 km deep · 29 km away
  11. 2.05 km NE of Aromas, California · 16115 days ago · 6 km deep · 71 km away
  12. 1.623 km ENE of San Ardo, California · 16114 days ago · 4 km deep · 51 km away
  13. 1.616 km SSE of Tres Pinos, California · 16114 days ago · 8 km deep · 29 km away
  14. 2.521 km NE of Soledad, California · 16113 days ago · 7 km deep · 15 km away
  15. 4.58 km NE of Corralitos, California · 16113 days ago · 12 km deep · 89 km away
  16. 2.415 km SSE of Tres Pinos, California · 16113 days ago · 7 km deep · 30 km away
  17. 1.621 km NE of Soledad, California · 16112 days ago · 7 km deep · 14 km away
  18. 2.513 km SE of Tres Pinos, California · 16112 days ago · 6 km deep · 32 km away
  19. 2.6Central California · 16112 days ago · 6 km deep · 29 km away
  20. 2.315 km SSE of Tres Pinos, California · 16112 days ago · 5 km deep · 30 km away
  21. 1.6Central California · 16112 days ago · 6 km deep · 30 km away
  22. 2.12 km SE of San Ardo, California · 16112 days ago · 11 km deep · 52 km away
  23. 1.618 km SSE of Tres Pinos, California · 16111 days ago · 8 km deep · 28 km away
  24. 1.621 km NE of Soledad, California · 16111 days ago · 6 km deep · 14 km away
  25. 1.910 km NW of Parkfield, California · 16110 days ago · 8 km deep · 72 km away
  26. 1.52 km SW of San Juan Bautista, California · 16109 days ago · 4 km deep · 62 km away
  27. 1.69 km NNW of Hollister, California · 16109 days ago · 5 km deep · 63 km away
  28. 1.738 km W of Three Rocks, California · 16109 days ago · 1 km deep · 23 km away
  29. 1.612 km S of Tres Pinos, California · 16108 days ago · 2 km deep · 34 km away
  30. 1.628 km SE of Tres Pinos, California · 16108 days ago · 8 km deep · 17 km away
  31. 3.123 km NE of San Ardo, California · 16108 days ago · 7 km deep · 39 km away
  32. 2.223 km NE of San Ardo, California · 16108 days ago · 6 km deep · 39 km away
  33. 1.56 km SSW of Tres Pinos, California · 16108 days ago · 5 km deep · 42 km away
  34. 1.716 km NW of Parkfield, California · 16108 days ago · 5 km deep · 66 km away
  35. 1.96 km SSW of Tres Pinos, California · 16107 days ago · 3 km deep · 42 km away
  36. 1.57 km SSW of Tres Pinos, California · 16107 days ago · 4 km deep · 42 km away
  37. 3.022 km NNE of Soledad, California · 16106 days ago · 7 km deep · 22 km away
  38. 2.222 km NNE of Soledad, California · 16106 days ago · 6 km deep · 22 km away
  39. 1.71 km ENE of Tres Pinos, California · 16105 days ago · 7 km deep · 44 km away
  40. 2.75 km SSW of Gilroy, California · 16105 days ago · 4 km deep · 74 km away
  41. 2.522 km NNE of Soledad, California · 16104 days ago · 7 km deep · 22 km away
  42. 1.916 km SSE of Tres Pinos, California · 16104 days ago · 6 km deep · 29 km away
  43. 2.120 km SSE of Tres Pinos, California · 16104 days ago · 6 km deep · 24 km away
  44. 1.616 km SSE of Tres Pinos, California · 16103 days ago · 8 km deep · 29 km away
  45. 1.821 km NE of Soledad, California · 16103 days ago · 6 km deep · 14 km away
  46. 1.721 km NE of Soledad, California · 16103 days ago · 6 km deep · 15 km away
  47. 1.817 km SSE of Tres Pinos, California · 16102 days ago · 8 km deep · 28 km away
  48. 1.617 km SSE of Tres Pinos, California · 16102 days ago · 9 km deep · 28 km away
  49. 1.726 km NE of Greenfield, California · 16102 days ago · 6 km deep · 2 km away
  50. 1.97 km WSW of Gilroy, California · 16102 days ago · 5 km deep · 79 km away
  51. 2.17 km WSW of Gilroy, California · 16102 days ago · 5 km deep · 79 km away
  52. 1.624 km NE of Greenfield, California · 16102 days ago · 5 km deep · 2 km away
  53. 2.023 km NE of King City, California · 16101 days ago · 6 km deep · 12 km away
  54. 2.012 km S of Tres Pinos, California · 16100 days ago · 5 km deep · 34 km away
  55. 4.014 km S of Tres Pinos, California · 16100 days ago · 8 km deep · 32 km away
  56. 2.414 km SSE of Tres Pinos, California · 16100 days ago · 6 km deep · 32 km away
  57. 1.514 km SSE of Tres Pinos, California · 16100 days ago · 7 km deep · 31 km away
  58. 2.017 km SSE of Tres Pinos, California · 16100 days ago · 4 km deep · 28 km away
  59. 1.717 km SSE of Tres Pinos, California · 16100 days ago · 10 km deep · 28 km away
  60. 2.615 km SSE of Tres Pinos, California · 16099 days ago · 7 km deep · 30 km away

The first 60 of 196.

Before

  1. 1.820 km SSE of Tres Pinos, California · 16116 days ago · 6 km deep · 24 km away
  2. 1.722 km NNE of Soledad, California · 16117 days ago · 6 km deep · 22 km away
  3. 2.620 km SSE of Tres Pinos, California · 16117 days ago · 5 km deep · 25 km away
  4. 1.616 km SSE of Tres Pinos, California · 16117 days ago · 8 km deep · 29 km away
  5. 1.924 km NNE of San Lucas, California · 16117 days ago · 9 km deep · 21 km away
  6. 1.623 km NNE of San Lucas, California · 16117 days ago · 8 km deep · 21 km away
  7. 1.820 km SSE of Tres Pinos, California · 16118 days ago · 5 km deep · 24 km away
  8. 1.97 km NE of Interlaken, California · 16118 days ago · 3 km deep · 81 km away
  9. 1.68 km WSW of Gilroy, California · 16118 days ago · 2 km deep · 81 km away
  10. 1.56 km ENE of Coalinga, California · 16118 days ago · 7 km deep · 74 km away
  11. 2.320 km SSE of Tres Pinos, California · 16118 days ago · 5 km deep · 24 km away
  12. 1.616 km SSE of Tres Pinos, California · 16118 days ago · 6 km deep · 30 km away
  13. 2.121 km NE of Soledad, California · 16119 days ago · 3 km deep · 16 km away
  14. 1.822 km NNE of Soledad, California · 16119 days ago · 5 km deep · 22 km away
  15. 3.120 km SSE of Tres Pinos, California · 16119 days ago · 6 km deep · 25 km away
  16. 1.617 km SSE of Tres Pinos, California · 16119 days ago · 9 km deep · 28 km away
  17. 2.415 km SSE of Tres Pinos, California · 16119 days ago · 8 km deep · 30 km away
  18. 3.417 km SSE of Tres Pinos, California · 16119 days ago · 10 km deep · 28 km away
  19. 2.921 km SE of Tres Pinos, California · 16119 days ago · 6 km deep · 23 km away
  20. 1.520 km SSE of Tres Pinos, California · 16119 days ago · 6 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077549. Read Tue, Sep 29, 2026, 8:38 AM UTC.