California earthquakes

M1.7 earthquake 7 km NE of Aromas, California

A magnitude 1.7 earthquake struck 7 km NE of Aromas, California on Thu, Feb 10, 1977, 3:55 AM PST (11:55 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.8 Central California. This one was a foreshock.

Aromas 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-02-10 11:55:59 UTC
Depth
7.0 km (4.3 mi), shallow
Epicenter
36.935° N, 121.584° 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
57°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 134 in the 30 days before it.

After

  1. 1.917 km SSE of Tres Pinos, California · 18134 days ago · 2 km deep · 43 km away
  2. 1.83 km NE of Fairview, California · 18134 days ago · 1 km deep · 93 km away
  3. 2.516 km SE of Tres Pinos, California · 18133 days ago · 7 km deep · 45 km away
  4. 2.922 km ESE of Tres Pinos, California · 18133 days ago · 0 km deep · 50 km away
  5. 1.717 km SSE of Tres Pinos, California · 18133 days ago · 4 km deep · 44 km away
  6. 1.824 km NE of Greenfield, California · 18133 days ago · 2 km deep · 70 km away
  7. 2.323 km NE of Greenfield, California · 18133 days ago · 5 km deep · 72 km away
  8. 1.721 km ENE of Soledad, California · 18132 days ago · 8 km deep · 62 km away
  9. 1.624 km NE of Greenfield, California · 18132 days ago · 4 km deep · 72 km away
  10. 1.73 km WNW of Sunol, California · 18132 days ago · 12 km deep · 81 km away
  11. 3.423 km NE of Greenfield, California · 18132 days ago · 5 km deep · 72 km away
  12. 2.624 km NE of Greenfield, California · 18132 days ago · 4 km deep · 72 km away
  13. 2.923 km NE of Greenfield, California · 18132 days ago · 5 km deep · 72 km away
  14. 1.724 km NE of Greenfield, California · 18132 days ago · 5 km deep · 72 km away
  15. 1.924 km NE of Greenfield, California · 18132 days ago · 5 km deep · 72 km away
  16. 3.018 km SSE of Tres Pinos, California · 18132 days ago · 6 km deep · 45 km away
  17. 1.923 km NE of Greenfield, California · 18132 days ago · 5 km deep · 72 km away
  18. 3.35 km SSW of Tres Pinos, California · 18131 days ago · 9 km deep · 30 km away
  19. 1.95 km SSW of Tres Pinos, California · 18131 days ago · 8 km deep · 30 km away
  20. 2.15 km SSW of Tres Pinos, California · 18131 days ago · 8 km deep · 31 km away
  21. 2.65 km SSW of Tres Pinos, California · 18131 days ago · 8 km deep · 30 km away
  22. 2.18 km NE of Milpitas, California · 18131 days ago · 8 km deep · 64 km away
  23. 2.28 km ENE of San Martin, California · 18131 days ago · 6 km deep · 21 km away
  24. 2.727 km ENE of Soledad, California · 18131 days ago · 5 km deep · 63 km away
  25. 1.518 km SSE of Tres Pinos, California · 18130 days ago · 6 km deep · 45 km away
  26. 1.95 km SSW of Tres Pinos, California · 18130 days ago · 8 km deep · 31 km away
  27. 2.010 km NNW of Hollister, California · 18130 days ago · 3 km deep · 11 km away
  28. 2.75 km SSW of Tres Pinos, California · 18130 days ago · 8 km deep · 30 km away
  29. 1.92 km E of Tres Pinos, California · 18130 days ago · 9 km deep · 30 km away
  30. 1.65 km SSW of Tres Pinos, California · 18130 days ago · 7 km deep · 30 km away
  31. 2.321 km NE of Soledad, California · 18130 days ago · 5 km deep · 56 km away
  32. 1.75 km SSW of Tres Pinos, California · 18130 days ago · 8 km deep · 30 km away
  33. 1.724 km NE of Greenfield, California · 18130 days ago · 5 km deep · 72 km away
  34. 2.1Northern California · 18129 days ago · 7 km deep · 45 km away
  35. 2.222 km SSE of Tres Pinos, California · 18128 days ago · 2 km deep · 50 km away
  36. 3.123 km ENE of Soledad, California · 18128 days ago · 7 km deep · 62 km away
  37. 3.122 km NNE of Soledad, California · 18128 days ago · 2 km deep · 50 km away
  38. 1.717 km ESE of Livermore, California · 18128 days ago · 10 km deep · 74 km away
  39. 2.425 km ESE of Tres Pinos, California · 18128 days ago · 1 km deep · 53 km away
  40. 2.024 km ENE of Greenfield, California · 18128 days ago · 5 km deep · 75 km away
  41. 1.722 km ENE of Soledad, California · 18128 days ago · 4 km deep · 65 km away
  42. 1.725 km ENE of Greenfield, California · 18128 days ago · 7 km deep · 75 km away
  43. 3.524 km NE of King City, California · 18128 days ago · 7 km deep · 82 km away
  44. 3.032 km E of Tres Pinos, California · 18128 days ago · 0 km deep · 59 km away
  45. 2.51 km E of Tres Pinos, California · 18127 days ago · 6 km deep · 29 km away
  46. 2.42 km N of Aromas, California · 18127 days ago · 7 km deep · 6 km away
  47. 1.89 km NNE of San Juan Bautista, California · 18127 days ago · 4 km deep · 10 km away
  48. 2.010 km NNE of Day Valley, California · 18127 days ago · 8 km deep · 29 km away
  49. 1.88 km NNE of Interlaken, California · 18127 days ago · 10 km deep · 15 km away
  50. 2.523 km ENE of Soledad, California · 18126 days ago · 4 km deep · 66 km away
  51. 2.29 km SW of Tres Pinos, California · 18126 days ago · 6 km deep · 29 km away
  52. 1.99 km NNE of Morgan Hill, California · 18126 days ago · 4 km deep · 30 km away
  53. 1.724 km NE of Greenfield, California · 18126 days ago · 6 km deep · 72 km away
  54. 1.727 km ENE of Soledad, California · 18125 days ago · 5 km deep · 64 km away
  55. 1.520 km SSE of Tres Pinos, California · 18125 days ago · 6 km deep · 47 km away
  56. 3.123 km ENE of Soledad, California · 18125 days ago · 3 km deep · 66 km away
  57. 2.47 km ESE of Lexington Hills, California · 18124 days ago · 12 km deep · 36 km away
  58. 2.823 km NE of King City, California · 18124 days ago · 7 km deep · 83 km away
  59. 2.525 km ENE of Greenfield, California · 18124 days ago · 0 km deep · 77 km away
  60. 2.224 km NE of Greenfield, California · 18123 days ago · 5 km deep · 72 km away

The first 60 of 182.

Before

  1. 2.023 km NE of Greenfield, California · 18134 days ago · 4 km deep · 71 km away
  2. 2.220 km ENE of East Foothills, California · 18134 days ago · 6 km deep · 61 km away
  3. 2.524 km NE of Greenfield, California · 18134 days ago · 6 km deep · 72 km away
  4. 2.623 km NE of Greenfield, California · 18134 days ago · 5 km deep · 72 km away
  5. 3.224 km NE of Greenfield, California · 18135 days ago · 5 km deep · 72 km away
  6. 3.224 km NE of Greenfield, California · 18135 days ago · 7 km deep · 72 km away
  7. 1.731 km SW of South Dos Palos, California · 18135 days ago · 2 km deep · 66 km away
  8. 2.48 km NNE of Interlaken, California · 18135 days ago · 10 km deep · 15 km away
  9. 2.221 km NE of Soledad, California · 18135 days ago · 8 km deep · 60 km away
  10. 1.68 km N of Boulder Creek, California · 18135 days ago · 14 km deep · 56 km away
  11. 1.613 km ESE of Tres Pinos, California · 18136 days ago · 5 km deep · 42 km away
  12. 1.631 km SW of South Dos Palos, California · 18137 days ago · 3 km deep · 66 km away
  13. 1.87 km SSE of Gilroy, California · 18137 days ago · 6 km deep · 4 km away
  14. 1.621 km NE of Soledad, California · 18137 days ago · 7 km deep · 58 km away
  15. 1.58 km SW of Ridgemark, California · 18137 days ago · 5 km deep · 25 km away
  16. 1.921 km NE of Soledad, California · 18137 days ago · 7 km deep · 54 km away
  17. 2.46 km ENE of East Foothills, California · 18137 days ago · 8 km deep · 55 km away
  18. 2.011 km S of Tres Pinos, California · 18138 days ago · 4 km deep · 36 km away
  19. 2.211 km SE of Seven Trees, California · 18138 days ago · 5 km deep · 34 km away
  20. 2.25 km S of Gilroy, California · 18139 days ago · 6 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1033819. Read Mon, Oct 5, 2026, 8:33 AM UTC.