California earthquakes

M3.7 earthquake 1 km E of Aromas, California

A magnitude 3.7 earthquake struck 1 km E of Aromas, California on Fri, Jan 14, 1977, 8:25 PM PST (04:25 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.9 10 km NNW of Hollister, 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
3.7 (Md, duration), minor
Magnitude from
Northern California Seismic System
Local time
UTC
1977-01-15 04:25:13 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
36.888° N, 121.628° 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
±0.48
Depth from
From location
Station coverage gap
51°
Stations used
61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 1.86 km ESE of East Foothills, California · 18157 days ago · 2 km deep · 54 km away
  2. 1.724 km ENE of Soledad, California · 18156 days ago · 7 km deep · 66 km away
  3. 1.624 km ENE of Soledad, California · 18156 days ago · 7 km deep · 66 km away
  4. 1.611 km SSE of Tres Pinos, California · 18156 days ago · 11 km deep · 37 km away
  5. 1.510 km SSW of Tres Pinos, California · 18156 days ago · 9 km deep · 30 km away
  6. 2.55 km S of Gilroy, California · 18155 days ago · 4 km deep · 9 km away
  7. 1.819 km NE of East Foothills, California · 18155 days ago · 7 km deep · 66 km away
  8. 1.54 km E of Fremont, California · 18155 days ago · 9 km deep · 79 km away
  9. 1.718 km SSE of Tres Pinos, California · 18154 days ago · 8 km deep · 44 km away
  10. 2.510 km NNW of Hollister, California · 18154 days ago · 4 km deep · 16 km away
  11. 2.315 km E of Seven Trees, California · 18154 days ago · 6 km deep · 45 km away
  12. 1.815 km E of Seven Trees, California · 18154 days ago · 5 km deep · 45 km away
  13. 1.823 km ENE of Soledad, California · 18154 days ago · 4 km deep · 66 km away
  14. 1.59 km SSW of Tres Pinos, California · 18154 days ago · 2 km deep · 31 km away
  15. 1.913 km ESE of Alum Rock, California · 18154 days ago · 2 km deep · 48 km away
  16. 3.510 km NNW of Hollister, California · 18153 days ago · 5 km deep · 16 km away
  17. 1.610 km NNW of Hollister, California · 18153 days ago · 3 km deep · 15 km away
  18. 1.810 km NNW of Hollister, California · 18153 days ago · 4 km deep · 16 km away
  19. 2.89 km NNW of Hollister, California · 18153 days ago · 5 km deep · 16 km away
  20. 1.810 km NNW of Hollister, California · 18153 days ago · 4 km deep · 16 km away
  21. 2.09 km NNW of Hollister, California · 18153 days ago · 3 km deep · 16 km away
  22. 2.1Central California · 18153 days ago · 4 km deep · 16 km away
  23. 2.09 km NE of Gilroy, California · 18153 days ago · 6 km deep · 23 km away
  24. 3.910 km NNW of Hollister, California · 18153 days ago · 8 km deep · 16 km away
  25. 1.825 km NE of King City, California · 18153 days ago · 1 km deep · 81 km away
  26. 2.224 km NE of King City, California · 18153 days ago · 1 km deep · 81 km away
  27. 3.010 km NNW of Hollister, California · 18153 days ago · 7 km deep · 16 km away
  28. 2.010 km NNW of Hollister, California · 18153 days ago · 3 km deep · 16 km away
  29. 2.17 km WSW of Gilroy, California · 18153 days ago · 4 km deep · 11 km away
  30. 1.59 km NNW of Hollister, California · 18153 days ago · 3 km deep · 15 km away
  31. 2.09 km NNW of Hollister, California · 18153 days ago · 4 km deep · 16 km away
  32. 2.410 km NNW of Hollister, California · 18153 days ago · 4 km deep · 15 km away
  33. 3.610 km NNW of Hollister, California · 18153 days ago · 8 km deep · 16 km away
  34. 2.19 km NW of Hollister, California · 18152 days ago · 4 km deep · 15 km away
  35. 2.29 km NNW of Hollister, California · 18152 days ago · 5 km deep · 15 km away
  36. 1.810 km NNW of Hollister, California · 18152 days ago · 3 km deep · 16 km away
  37. 3.07 km NE of East Foothills, California · 18152 days ago · 10 km deep · 62 km away
  38. 1.79 km NW of Hollister, California · 18152 days ago · 4 km deep · 14 km away
  39. 2.610 km NNW of Hollister, California · 18152 days ago · 4 km deep · 16 km away
  40. 3.110 km NNW of Hollister, California · 18151 days ago · 5 km deep · 16 km away
  41. 2.17 km W of Gilroy, California · 18151 days ago · 5 km deep · 12 km away
  42. 1.97 km NE of Gilroy, California · 18151 days ago · 6 km deep · 22 km away
  43. 1.511 km ESE of Sunol, California · 18151 days ago · 8 km deep · 75 km away
  44. 1.78 km NE of Gilroy, California · 18151 days ago · 6 km deep · 22 km away
  45. 2.824 km ENE of Greenfield, California · 18151 days ago · 0 km deep · 75 km away
  46. 1.89 km NNW of Hollister, California · 18150 days ago · 3 km deep · 15 km away
  47. 2.26 km ENE of Morgan Hill, California · 18150 days ago · 3 km deep · 31 km away
  48. 1.99 km NNW of Hollister, California · 18150 days ago · 4 km deep · 15 km away
  49. 1.99 km N of Livermore, California · 18150 days ago · 9 km deep · 99 km away
  50. 3.422 km NNE of Soledad, California · 18150 days ago · 6 km deep · 50 km away
  51. 1.622 km NNE of Soledad, California · 18150 days ago · 6 km deep · 50 km away
  52. 1.722 km NNE of Soledad, California · 18150 days ago · 6 km deep · 50 km away
  53. 1.922 km NNE of Soledad, California · 18150 days ago · 6 km deep · 50 km away
  54. 2.210 km N of Livermore, California · 18150 days ago · 11 km deep · 100 km away
  55. 1.85 km SSW of Ridgemark, California · 18150 days ago · 5 km deep · 26 km away
  56. 1.710 km N of Livermore, California · 18149 days ago · 9 km deep · 99 km away
  57. 1.910 km N of Livermore, California · 18149 days ago · 11 km deep · 100 km away
  58. 3.46 km NE of Aromas, California · 18149 days ago · 6 km deep · 5 km away
  59. 1.76 km NE of Aromas, California · 18149 days ago · 7 km deep · 5 km away
  60. 1.79 km NNE of Morgan Hill, California · 18149 days ago · 3 km deep · 35 km away

The first 60 of 181.

Before

  1. 2.511 km SSW of Tres Pinos, California · 18157 days ago · 12 km deep · 32 km away
  2. 1.65 km WSW of Gilroy, California · 18158 days ago · 3 km deep · 11 km away
  3. 1.819 km SSE of Tres Pinos, California · 18158 days ago · 6 km deep · 45 km away
  4. 2.15 km SW of Gilroy, California · 18158 days ago · 4 km deep · 10 km away
  5. 2.14 km SW of Ridgemark, California · 18158 days ago · 6 km deep · 23 km away
  6. 1.8Northern California · 18158 days ago · 5 km deep · 49 km away
  7. 1.9Northern California · 18159 days ago · 6 km deep · 82 km away
  8. 1.74 km ENE of Interlaken, California · 18159 days ago · 5 km deep · 10 km away
  9. 2.29 km N of Big Sur, California · 18159 days ago · 3 km deep · 62 km away
  10. 1.69 km NNE of San Juan Bautista, California · 18159 days ago · 5 km deep · 13 km away
  11. 1.511 km SE of Tres Pinos, California · 18160 days ago · 2 km deep · 41 km away
  12. 1.610 km NW of Hollister, California · 18160 days ago · 3 km deep · 14 km away
  13. 1.724 km NE of Greenfield, California · 18161 days ago · 7 km deep · 68 km away
  14. 1.73 km E of Union City, California · 18161 days ago · 7 km deep · 84 km away
  15. 1.97 km S of Sunol, California · 18161 days ago · 6 km deep · 75 km away
  16. 1.99 km NW of Hollister, California · 18162 days ago · 6 km deep · 15 km away
  17. 1.911 km WNW of Westley, California · 18162 days ago · 2 km deep · 81 km away
  18. 2.712 km SSE of Tres Pinos, California · 18162 days ago · 5 km deep · 39 km away
  19. 1.59 km S of Tres Pinos, California · 18162 days ago · 4 km deep · 33 km away
  20. 1.98 km ESE of Sunol, California · 18162 days ago · 9 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1033321. Read Fri, Oct 2, 2026, 5:09 AM UTC.