California earthquakes

M1.9 earthquake 4 km SE of Aromas, California

A magnitude 1.9 earthquake struck 4 km SE of Aromas, California on Sat, Apr 6, 1974, 4:39 PM PDT (23:39 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.4 24 km ENE of Greenfield, 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1974-04-06 23:39:05 UTC
Depth
8.9 km (5.6 mi), shallow
Epicenter
36.862° N, 121.605° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.39
Depth from
From location
Station coverage gap
91°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 164 in the 30 days before it.

After

  1. 2.44 km SE of Aromas, California · 19173 days ago · 8 km deep · 0 km away
  2. 2.526 km WSW of Volta, California · 19173 days ago · 6 km deep · 40 km away
  3. 2.47 km NNE of San Martin, California · 19173 days ago · 5 km deep · 32 km away
  4. 4.321 km NE of Soledad, California · 19173 days ago · 2 km deep · 52 km away
  5. 2.025 km NE of Soledad, California · 19172 days ago · 6 km deep · 51 km away
  6. 2.16 km WSW of Morgan Hill, California · 19172 days ago · 9 km deep · 29 km away
  7. 1.610 km NE of San Martin, California · 19172 days ago · 1 km deep · 33 km away
  8. 4.324 km NE of Soledad, California · 19172 days ago · 9 km deep · 56 km away
  9. 1.65 km SSW of Gilroy, California · 19172 days ago · 3 km deep · 11 km away
  10. 1.724 km NE of Soledad, California · 19172 days ago · 7 km deep · 56 km away
  11. 3.524 km ENE of Soledad, California · 19172 days ago · 4 km deep · 62 km away
  12. 1.87 km WSW of Gilroy, California · 19172 days ago · 2 km deep · 14 km away
  13. 1.920 km NE of Soledad, California · 19171 days ago · 7 km deep · 52 km away
  14. 2.126 km ENE of Greenfield, California · 19171 days ago · 1 km deep · 71 km away
  15. 1.623 km ENE of Soledad, California · 19171 days ago · 3 km deep · 62 km away
  16. 4.222 km NE of Soledad, California · 19170 days ago · 5 km deep · 48 km away
  17. 2.922 km SSE of Tres Pinos, California · 19170 days ago · 2 km deep · 45 km away
  18. 3.15 km SSW of Gilroy, California · 19169 days ago · 4 km deep · 11 km away
  19. 2.25 km SSW of Gilroy, California · 19169 days ago · 4 km deep · 11 km away
  20. 2.55 km SSW of Gilroy, California · 19169 days ago · 3 km deep · 11 km away
  21. 3.15 km SSW of Gilroy, California · 19169 days ago · 4 km deep · 11 km away
  22. 2.221 km NE of Soledad, California · 19169 days ago · 3 km deep · 54 km away
  23. 1.70 km ENE of Aromas, California · 19169 days ago · 8 km deep · 4 km away
  24. 2.34 km NE of Ridgemark, California · 19169 days ago · 9 km deep · 24 km away
  25. 2.317 km SSE of Tres Pinos, California · 19168 days ago · 3 km deep · 40 km away
  26. 1.817 km N of Morgan Hill, California · 19168 days ago · 6 km deep · 47 km away
  27. 1.617 km SSE of Tres Pinos, California · 19168 days ago · 2 km deep · 39 km away
  28. 3.25 km SSW of Gilroy, California · 19168 days ago · 4 km deep · 11 km away
  29. 2.410 km ESE of East Foothills, California · 19168 days ago · 2 km deep · 53 km away
  30. 2.824 km ENE of Soledad, California · 19167 days ago · 4 km deep · 62 km away
  31. 1.88 km S of Gilroy, California · 19167 days ago · 7 km deep · 9 km away
  32. 2.77 km S of Gilroy, California · 19167 days ago · 7 km deep · 9 km away
  33. 2.37 km WSW of Gilroy, California · 19167 days ago · 5 km deep · 13 km away
  34. 1.57 km NE of Interlaken, California · 19167 days ago · 7 km deep · 15 km away
  35. 2.821 km NE of Soledad, California · 19167 days ago · 8 km deep · 55 km away
  36. 2.05 km WNW of San Juan Bautista, California · 19167 days ago · 7 km deep · 1 km away
  37. 2.01 km NE of Hollister, California · 19166 days ago · 3 km deep · 19 km away
  38. 1.814 km E of Seven Trees, California · 19166 days ago · 2 km deep · 48 km away
  39. 3.422 km NNE of Soledad, California · 19165 days ago · 2 km deep · 48 km away
  40. 2.28 km E of San Martin, California · 19165 days ago · 7 km deep · 25 km away
  41. 3.824 km ENE of Soledad, California · 19165 days ago · 2 km deep · 64 km away
  42. 1.76 km NE of East Foothills, California · 19165 days ago · 5 km deep · 63 km away
  43. 1.623 km NE of Greenfield, California · 19165 days ago · 6 km deep · 68 km away
  44. 2.223 km ENE of King City, California · 19165 days ago · 6 km deep · 87 km away
  45. 2.421 km NE of Soledad, California · 19164 days ago · 2 km deep · 53 km away
  46. 2.218 km SSE of Tres Pinos, California · 19164 days ago · 8 km deep · 41 km away
  47. 1.79 km NNE of East Foothills, California · 19164 days ago · 8 km deep · 68 km away
  48. 2.417 km WSW of Volta, California · 19164 days ago · 10 km deep · 49 km away
  49. 3.68 km ESE of East Foothills, California · 19164 days ago · 6 km deep · 56 km away
  50. 2.825 km NE of Soledad, California · 19163 days ago · 8 km deep · 52 km away
  51. 2.17 km N of Hollister, California · 19163 days ago · 8 km deep · 18 km away
  52. 2.18 km N of San Juan Bautista, California · 19163 days ago · 3 km deep · 10 km away
  53. 1.621 km NE of Soledad, California · 19163 days ago · 6 km deep · 55 km away
  54. 2.63 km NNW of Hollister, California · 19163 days ago · 4 km deep · 17 km away
  55. 2.03 km W of Ridgemark, California · 19163 days ago · 8 km deep · 19 km away
  56. 2.317 km ENE of East Foothills, California · 19162 days ago · 6 km deep · 65 km away
  57. 3.25 km SSW of Gilroy, California · 19162 days ago · 4 km deep · 11 km away
  58. 2.05 km SSW of Gilroy, California · 19162 days ago · 4 km deep · 11 km away
  59. 2.45 km NNE of East Foothills, California · 19162 days ago · 5 km deep · 64 km away
  60. 2.4Central California · 19162 days ago · 4 km deep · 11 km away

The first 60 of 194.

Before

  1. 2.16 km NNE of San Martin, California · 19173 days ago · 3 km deep · 31 km away
  2. 2.34 km SE of Aromas, California · 19173 days ago · 8 km deep · 0 km away
  3. 2.49 km E of San Martin, California · 19173 days ago · 7 km deep · 25 km away
  4. 3.022 km NE of San Lucas, California · 19173 days ago · 8 km deep · 96 km away
  5. 2.15 km E of San Juan Bautista, California · 19173 days ago · 8 km deep · 11 km away
  6. 1.719 km SSE of Tres Pinos, California · 19174 days ago · 8 km deep · 42 km away
  7. 1.95 km ENE of Hollister, California · 19174 days ago · 8 km deep · 24 km away
  8. 2.012 km NNE of Hollister, California · 19175 days ago · 0 km deep · 24 km away
  9. 2.521 km NE of Soledad, California · 19175 days ago · 1 km deep · 53 km away
  10. 2.625 km NE of Hollister, California · 19175 days ago · 4 km deep · 39 km away
  11. 3.221 km NE of Soledad, California · 19175 days ago · 7 km deep · 49 km away
  12. 2.04 km SSW of Gilroy, California · 19175 days ago · 3 km deep · 12 km away
  13. 2.224 km NE of Greenfield, California · 19176 days ago · 3 km deep · 66 km away
  14. 2.724 km NE of Greenfield, California · 19176 days ago · 2 km deep · 66 km away
  15. 2.06 km NNE of Ridgemark, California · 19176 days ago · 5 km deep · 24 km away
  16. 1.88 km ENE of San Martin, California · 19177 days ago · 7 km deep · 29 km away
  17. 1.913 km NNE of Hollister, California · 19177 days ago · 2 km deep · 24 km away
  18. 2.716 km NE of East Foothills, California · 19177 days ago · 5 km deep · 70 km away
  19. 2.117 km ENE of Gonzales, California · 19178 days ago · 11 km deep · 43 km away
  20. 2.25 km NNE of Tres Pinos, California · 19178 days ago · 5 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1019237. Read Sat, Oct 3, 2026, 11:37 PM UTC.