California earthquakes

M2.8 earthquake Central California

A magnitude 2.8 earthquake struck in Central California on Fri, Jun 20, 1975, 8:09 AM PDT (15:09 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.9 7 km SW of Three Rocks, 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
2.8 (md), micro
Local time
UTC
1975-06-20 15:09:17 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
36.765° N, 121.272° 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, 0.4 km in depth
Magnitude uncertainty
±0.46
Depth from
From location
Station coverage gap
92°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 158 in the 30 days before it.

After

  1. 2.63 km NW of Sand City, California · 18728 days ago · 0 km deep · 55 km away
  2. 2.4Northern California · 18728 days ago · 0 km deep · 48 km away
  3. 3.022 km ENE of San Ardo, California · 18728 days ago · 3 km deep · 94 km away
  4. 2.85 km SW of Gilroy, California · 18728 days ago · 3 km deep · 38 km away
  5. 2.35 km SSW of Gilroy, California · 18727 days ago · 2 km deep · 37 km away
  6. 2.323 km NE of San Lucas, California · 18727 days ago · 9 km deep · 68 km away
  7. 2.06 km WSW of Gilroy, California · 18727 days ago · 4 km deep · 41 km away
  8. 2.326 km NE of Greenfield, California · 18727 days ago · 6 km deep · 36 km away
  9. 3.321 km NE of Soledad, California · 18726 days ago · 2 km deep · 28 km away
  10. 2.78 km NW of Hollister, California · 18726 days ago · 4 km deep · 24 km away
  11. 2.332 km ENE of Soledad, California · 18726 days ago · 3 km deep · 32 km away
  12. 2.35 km NNE of Hollister, California · 18726 days ago · 7 km deep · 17 km away
  13. 2.013 km N of Morgan Hill, California · 18725 days ago · 5 km deep · 64 km away
  14. 2.35 km SW of Gilroy, California · 18724 days ago · 3 km deep · 37 km away
  15. 2.17 km ENE of San Martin, California · 18724 days ago · 6 km deep · 44 km away
  16. 2.421 km NE of Soledad, California · 18724 days ago · 6 km deep · 21 km away
  17. 2.49 km ENE of Morgan Hill, California · 18724 days ago · 6 km deep · 51 km away
  18. 2.58 km ENE of San Martin, California · 18724 days ago · 7 km deep · 44 km away
  19. 3.923 km ENE of Soledad, California · 18723 days ago · 4 km deep · 29 km away
  20. 2.022 km NNE of Soledad, California · 18723 days ago · 2 km deep · 20 km away
  21. 2.210 km NNW of Hollister, California · 18723 days ago · 5 km deep · 25 km away
  22. 2.623 km ENE of Soledad, California · 18723 days ago · 1 km deep · 31 km away
  23. 2.39 km ESE of Gilroy, California · 18722 days ago · 6 km deep · 30 km away
  24. 2.69 km NW of Hollister, California · 18722 days ago · 7 km deep · 25 km away
  25. 2.922 km NNE of Soledad, California · 18722 days ago · 2 km deep · 19 km away
  26. 2.523 km ENE of Soledad, California · 18722 days ago · 1 km deep · 32 km away
  27. 2.923 km ENE of Soledad, California · 18722 days ago · 2 km deep · 32 km away
  28. 3.916 km NNE of Firebaugh, California · 18722 days ago · 2 km deep · 81 km away
  29. 2.923 km ENE of Soledad, California · 18722 days ago · 1 km deep · 32 km away
  30. 2.38 km ENE of Gilroy, California · 18722 days ago · 6 km deep · 35 km away
  31. 2.823 km NE of San Lucas, California · 18722 days ago · 10 km deep · 65 km away
  32. 2.89 km NW of Hollister, California · 18722 days ago · 5 km deep · 24 km away
  33. 2.623 km NE of King City, California · 18721 days ago · 1 km deep · 55 km away
  34. 2.925 km ENE of Soledad, California · 18721 days ago · 10 km deep · 30 km away
  35. 2.813 km NW of Pacific Grove, CA · 18721 days ago · 9 km deep · 66 km away
  36. 1.713 km NW of Pacific Grove, California · 18721 days ago · 11 km deep · 67 km away
  37. 2.99 km NE of San Juan Bautista, California · 18721 days ago · 4 km deep · 25 km away
  38. 2.39 km NE of San Juan Bautista, California · 18721 days ago · 4 km deep · 25 km away
  39. 2.12 km SW of San Juan Bautista, California · 18721 days ago · 6 km deep · 26 km away
  40. 2.223 km NE of Greenfield, California · 18721 days ago · 5 km deep · 40 km away
  41. 1.7Northern California · 18720 days ago · 7 km deep · 64 km away
  42. 2.723 km NE of Greenfield, California · 18720 days ago · 4 km deep · 40 km away
  43. 2.526 km ENE of Greenfield, California · 18720 days ago · 0 km deep · 43 km away
  44. 2.526 km NE of Soledad, California · 18720 days ago · 8 km deep · 28 km away
  45. 2.219 km SSE of Tres Pinos, California · 18720 days ago · 5 km deep · 15 km away
  46. 2.3Central California · 18719 days ago · 7 km deep · 20 km away
  47. 2.826 km NE of Soledad, California · 18719 days ago · 6 km deep · 24 km away
  48. 2.525 km NE of Soledad, California · 18719 days ago · 8 km deep · 23 km away
  49. 3.36 km WSW of Gilroy, California · 18719 days ago · 5 km deep · 40 km away
  50. 2.622 km W of Volta, California · 18719 days ago · 3 km deep · 38 km away
  51. 1.78 km ENE of San Martin, California · 18719 days ago · 7 km deep · 44 km away
  52. 2.021 km NE of Soledad, California · 18719 days ago · 7 km deep · 22 km away
  53. 3.221 km NE of Soledad, California · 18718 days ago · 6 km deep · 21 km away
  54. 2.312 km SW of Soledad, California · 18718 days ago · 6 km deep · 50 km away
  55. 3.324 km NE of Greenfield, California · 18718 days ago · 5 km deep · 40 km away
  56. 3.024 km NE of Soledad, California · 18717 days ago · 6 km deep · 28 km away
  57. 2.021 km ESE of Tres Pinos, California · 18717 days ago · 4 km deep · 17 km away
  58. 2.419 km SSE of Tres Pinos, California · 18717 days ago · 6 km deep · 15 km away
  59. 3.67 km SSW of Morgan Hill, California · 18715 days ago · 5 km deep · 51 km away
  60. 2.87 km NNE of San Juan Bautista, California · 18715 days ago · 6 km deep · 25 km away

The first 60 of 186.

Before

  1. 3.423 km NE of Greenfield, California · 18729 days ago · 7 km deep · 39 km away
  2. 2.323 km ENE of Soledad, California · 18730 days ago · 1 km deep · 31 km away
  3. 3.123 km ENE of Soledad, California · 18730 days ago · 1 km deep · 31 km away
  4. 1.512 km S of Tres Pinos, California · 18730 days ago · 1 km deep · 10 km away
  5. 2.322 km NNE of Soledad, California · 18730 days ago · 9 km deep · 19 km away
  6. 3.325 km ENE of Greenfield, California · 18730 days ago · 1 km deep · 42 km away
  7. 3.023 km ENE of Soledad, California · 18730 days ago · 0 km deep · 32 km away
  8. 4.19 km SSE of Gustine, California · 18730 days ago · 0 km deep · 55 km away
  9. 3.625 km NE of Greenfield, California · 18731 days ago · 1 km deep · 42 km away
  10. 2.128 km ENE of Soledad, California · 18731 days ago · 12 km deep · 29 km away
  11. 2.726 km NE of Soledad, California · 18731 days ago · 8 km deep · 28 km away
  12. 3.030 km SW of South Dos Palos, California · 18731 days ago · 6 km deep · 34 km away
  13. 2.29 km NNE of San Juan Bautista, California · 18731 days ago · 5 km deep · 26 km away
  14. 1.65 km NNE of Morgan Hill, California · 18731 days ago · 4 km deep · 55 km away
  15. 1.827 km NE of Soledad, California · 18731 days ago · 9 km deep · 29 km away
  16. 2.722 km ENE of San Lucas, California · 18732 days ago · 8 km deep · 75 km away
  17. 3.329 km SW of South Dos Palos, California · 18732 days ago · 6 km deep · 35 km away
  18. 1.623 km ENE of Soledad, California · 18732 days ago · 0 km deep · 31 km away
  19. 3.522 km NE of Soledad, California · 18732 days ago · 4 km deep · 28 km away
  20. 2.213 km SSE of Tres Pinos, California · 18733 days ago · 4 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1024461. Read Tue, Sep 29, 2026, 4:27 AM UTC.