California earthquakes

M2.2 earthquake 5 km SW of Tres Pinos, California

A magnitude 2.2 earthquake struck 5 km SW of Tres Pinos, California on Wed, Apr 6, 1977, 5:22 AM PST (13:22 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 15 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
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-04-06 13:22:01 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
36.758° N, 121.363° 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, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
29°
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: 155 in the 60 days after this one and 154 in the 30 days before it.

After

  1. 1.621 km NE of Soledad, California · 18075 days ago · 3 km deep · 29 km away
  2. 1.94 km SSW of Gilroy, California · 18075 days ago · 6 km deep · 30 km away
  3. 2.16 km ENE of Interlaken, California · 18075 days ago · 10 km deep · 36 km away
  4. 1.96 km ENE of Interlaken, California · 18075 days ago · 10 km deep · 36 km away
  5. 2.18 km NE of San Juan Bautista, California · 18075 days ago · 9 km deep · 19 km away
  6. 2.523 km NE of San Ardo, California · 18074 days ago · 8 km deep · 83 km away
  7. 1.85 km WSW of Tres Pinos, California · 18074 days ago · 6 km deep · 1 km away
  8. 2.26 km ENE of Interlaken, California · 18074 days ago · 10 km deep · 36 km away
  9. 1.96 km ENE of Interlaken, California · 18074 days ago · 10 km deep · 36 km away
  10. 2.31 km ESE of Tres Pinos, California · 18074 days ago · 8 km deep · 6 km away
  11. 2.24 km SW of Tres Pinos, California · 18074 days ago · 4 km deep · 1 km away
  12. 2.45 km SSW of Gilroy, California · 18073 days ago · 6 km deep · 30 km away
  13. 2.012 km N of Morgan Hill, California · 18073 days ago · 5 km deep · 59 km away
  14. 1.76 km ENE of Interlaken, California · 18073 days ago · 10 km deep · 36 km away
  15. 1.923 km NE of Greenfield, California · 18072 days ago · 5 km deep · 42 km away
  16. 2.21 km WSW of Tres Pinos, California · 18072 days ago · 6 km deep · 4 km away
  17. 1.63 km E of Day Valley, California · 18071 days ago · 3 km deep · 51 km away
  18. 1.83 km E of Day Valley, California · 18071 days ago · 3 km deep · 51 km away
  19. 1.52 km WNW of Cambrian Park, California · 18071 days ago · 8 km deep · 77 km away
  20. 1.84 km S of Gilroy, California · 18071 days ago · 6 km deep · 29 km away
  21. 2.310 km NNW of Hollister, California · 18070 days ago · 5 km deep · 21 km away
  22. 1.65 km SE of Tres Pinos, California · 18070 days ago · 7 km deep · 8 km away
  23. 1.511 km NNE of Tres Pinos, California · 18070 days ago · 6 km deep · 17 km away
  24. 2.113 km SSE of Tres Pinos, California · 18070 days ago · 4 km deep · 12 km away
  25. 1.513 km SSE of Tres Pinos, California · 18070 days ago · 5 km deep · 12 km away
  26. 2.330 km ENE of Soledad, California · 18069 days ago · 8 km deep · 35 km away
  27. 2.39 km SSW of Tres Pinos, California · 18069 days ago · 3 km deep · 6 km away
  28. 1.728 km NE of Soledad, California · 18069 days ago · 6 km deep · 34 km away
  29. 1.99 km NE of Corralitos, California · 18069 days ago · 12 km deep · 46 km away
  30. 2.121 km ENE of East Foothills, California · 18068 days ago · 7 km deep · 83 km away
  31. 2.327 km ENE of Soledad, California · 18068 days ago · 5 km deep · 36 km away
  32. 3.222 km ENE of Soledad, California · 18068 days ago · 10 km deep · 34 km away
  33. 2.122 km ENE of Soledad, California · 18068 days ago · 11 km deep · 35 km away
  34. 1.924 km NE of Greenfield, California · 18067 days ago · 7 km deep · 45 km away
  35. 1.89 km NNW of Hollister, California · 18066 days ago · 5 km deep · 21 km away
  36. 1.922 km NNE of Soledad, California · 18065 days ago · 6 km deep · 21 km away
  37. 1.96 km NE of Hollister, California · 18064 days ago · 5 km deep · 15 km away
  38. 2.627 km ENE of Soledad, California · 18064 days ago · 5 km deep · 36 km away
  39. 1.725 km NE of Greenfield, California · 18064 days ago · 7 km deep · 45 km away
  40. 2.123 km NE of San Ardo, California · 18064 days ago · 7 km deep · 83 km away
  41. 1.77 km NE of Ridgemark, California · 18064 days ago · 8 km deep · 13 km away
  42. 1.830 km ENE of Soledad, California · 18063 days ago · 6 km deep · 35 km away
  43. 1.810 km NW of Morgan Hill, California · 18063 days ago · 6 km deep · 60 km away
  44. 1.823 km ENE of Soledad, California · 18063 days ago · 4 km deep · 39 km away
  45. 1.79 km SSW of Tres Pinos, California · 18063 days ago · 3 km deep · 6 km away
  46. 2.023 km ENE of Soledad, California · 18062 days ago · 4 km deep · 39 km away
  47. 1.8Central California · 18062 days ago · 4 km deep · 21 km away
  48. 2.220 km SSE of Tres Pinos, California · 18062 days ago · 5 km deep · 19 km away
  49. 2.224 km NE of King City, California · 18061 days ago · 1 km deep · 59 km away
  50. 1.621 km NE of Soledad, California · 18061 days ago · 6 km deep · 30 km away
  51. 3.014 km SSE of Tres Pinos, California · 18061 days ago · 8 km deep · 13 km away
  52. 3.015 km SSE of Tres Pinos, California · 18061 days ago · 7 km deep · 13 km away
  53. 3.515 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 13 km away
  54. 2.215 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 14 km away
  55. 2.7Central California · 18060 days ago · 8 km deep · 13 km away
  56. 1.914 km S of Tres Pinos, California · 18060 days ago · 8 km deep · 13 km away
  57. 2.515 km SSE of Tres Pinos, California · 18060 days ago · 7 km deep · 13 km away
  58. 1.714 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 13 km away
  59. 1.810 km NNW of Hollister, California · 18058 days ago · 9 km deep · 22 km away
  60. 1.82 km E of San Ardo, California · 18057 days ago · 15 km deep · 93 km away

The first 60 of 155.

Before

  1. 2.215 km SW of Tracy, California · 18076 days ago · 3 km deep · 99 km away
  2. 1.82 km WNW of Cambrian Park, California · 18076 days ago · 8 km deep · 77 km away
  3. 2.117 km NE of San Martin, California · 18076 days ago · 5 km deep · 49 km away
  4. 2.121 km NE of Soledad, California · 18076 days ago · 6 km deep · 32 km away
  5. 1.82 km WNW of Cambrian Park, California · 18076 days ago · 7 km deep · 77 km away
  6. 1.728 km ENE of Soledad, California · 18076 days ago · 6 km deep · 34 km away
  7. 2.59 km NNW of Boulder Creek, California · 18077 days ago · 5 km deep · 88 km away
  8. 2.26 km ENE of Interlaken, California · 18077 days ago · 10 km deep · 36 km away
  9. 2.530 km ENE of Soledad, California · 18077 days ago · 7 km deep · 36 km away
  10. 2.324 km ENE of Greenfield, California · 18078 days ago · 6 km deep · 50 km away
  11. 2.524 km ENE of Greenfield, California · 18078 days ago · 6 km deep · 50 km away
  12. 2.92 km WNW of Cambrian Park, California · 18078 days ago · 8 km deep · 77 km away
  13. 1.623 km NE of Greenfield, California · 18078 days ago · 8 km deep · 45 km away
  14. 1.825 km NE of Soledad, California · 18078 days ago · 7 km deep · 30 km away
  15. 2.225 km NE of Soledad, California · 18078 days ago · 7 km deep · 30 km away
  16. 2.824 km NE of Greenfield, California · 18078 days ago · 4 km deep · 42 km away
  17. 1.722 km NE of Soledad, California · 18078 days ago · 9 km deep · 29 km away
  18. 2.024 km ENE of Soledad, California · 18079 days ago · 6 km deep · 40 km away
  19. 1.717 km SSE of Tres Pinos, California · 18079 days ago · 5 km deep · 15 km away
  20. 1.719 km ESE of Tres Pinos, California · 18079 days ago · 0 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034708. Read Fri, Oct 2, 2026, 6:47 AM UTC.