California earthquakes

M2.1 earthquake 3 km ESE of Aromas, California

A magnitude 2.1 earthquake struck 3 km ESE of Aromas, California on Fri, Sep 19, 1980, 7:15 AM PDT (14:15 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.0 31 km NE of Soledad, 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1980-09-19 14:15:57 UTC
Depth
7.3 km (4.6 mi), shallow
Epicenter
36.872° N, 121.611° 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, 0.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
60°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 94 in the 30 days before it.

After

  1. 2.411 km S of Tres Pinos, California · 16814 days ago · 3 km deep · 34 km away
  2. 2.63 km NNW of Aromas, California · 16814 days ago · 11 km deep · 7 km away
  3. 1.622 km NE of Soledad, California · 16813 days ago · 2 km deep · 49 km away
  4. 2.78 km SSE of San Juan Bautista, California · 16813 days ago · 8 km deep · 15 km away
  5. 1.69 km SW of Tres Pinos, California · 16812 days ago · 6 km deep · 26 km away
  6. 1.68 km NE of San Martin, California · 16811 days ago · 8 km deep · 30 km away
  7. 2.321 km NE of Soledad, California · 16811 days ago · 6 km deep · 55 km away
  8. 2.431 km ENE of Soledad, California · 16809 days ago · 10 km deep · 64 km away
  9. 1.57 km WSW of Gilroy, California · 16808 days ago · 5 km deep · 13 km away
  10. 1.915 km E of Seven Trees, California · 16806 days ago · 6 km deep · 46 km away
  11. 2.115 km SSE of Tres Pinos, California · 16805 days ago · 3 km deep · 38 km away
  12. 2.023 km NE of Soledad, California · 16805 days ago · 10 km deep · 55 km away
  13. 1.69 km NE of Gilroy, California · 16805 days ago · 9 km deep · 24 km away
  14. 2.010 km NNW of Hollister, California · 16804 days ago · 2 km deep · 17 km away
  15. 2.414 km E of Seven Trees, California · 16804 days ago · 6 km deep · 48 km away
  16. 1.823 km NE of San Lucas, California · 16803 days ago · 7 km deep · 99 km away
  17. 1.95 km SSW of Gilroy, California · 16802 days ago · 6 km deep · 10 km away
  18. 1.92 km W of Cambrian Park, California · 16802 days ago · 8 km deep · 53 km away
  19. 2.35 km SSW of Gilroy, California · 16801 days ago · 6 km deep · 10 km away
  20. 1.624 km ENE of Greenfield, California · 16799 days ago · 5 km deep · 72 km away
  21. 1.59 km NNE of Milpitas, California · 16798 days ago · 8 km deep · 73 km away
  22. 1.933 km ENE of Soledad, California · 16798 days ago · 8 km deep · 68 km away
  23. 1.99 km NE of Gilroy, California · 16798 days ago · 8 km deep · 24 km away
  24. 1.68 km E of Gilroy, California · 16797 days ago · 3 km deep · 18 km away
  25. 1.54 km S of Fairview, California · 16797 days ago · 1 km deep · 94 km away
  26. 1.64 km SE of Hayward, California · 16797 days ago · 1 km deep · 94 km away
  27. 1.69 km S of Tres Pinos, California · 16795 days ago · 2 km deep · 31 km away
  28. 2.034 km NE of King City, California · 16795 days ago · 13 km deep · 84 km away
  29. 3.08 km SSE of San Juan Bautista, California · 16793 days ago · 8 km deep · 15 km away
  30. 2.613 km N of Morgan Hill, California · 16793 days ago · 6 km deep · 42 km away
  31. 2.38 km SSW of Tres Pinos, California · 16791 days ago · 1 km deep · 30 km away
  32. 1.58 km NE of Morgan Hill, California · 16790 days ago · 2 km deep · 35 km away
  33. 1.69 km NE of Gilroy, California · 16790 days ago · 8 km deep · 24 km away
  34. 2.69 km NE of Gilroy, California · 16790 days ago · 9 km deep · 23 km away
  35. 4.031 km NE of Soledad, California · 16790 days ago · 13 km deep · 59 km away
  36. 1.630 km NE of Soledad, California · 16790 days ago · 7 km deep · 59 km away
  37. 2.82 km NE of Union City, California · 16790 days ago · 6 km deep · 89 km away
  38. 2.230 km NE of Soledad, California · 16790 days ago · 8 km deep · 59 km away
  39. 3.222 km NE of Soledad, California · 16790 days ago · 6 km deep · 49 km away
  40. 1.622 km NE of Soledad, California · 16789 days ago · 6 km deep · 49 km away
  41. 2.05 km E of Tres Pinos, California · 16789 days ago · 5 km deep · 33 km away
  42. 1.82 km WNW of Cambrian Park, California · 16789 days ago · 8 km deep · 53 km away
  43. 2.75 km NNE of Tres Pinos, California · 16788 days ago · 4 km deep · 28 km away
  44. 2.49 km WSW of Ridgemark, California · 16787 days ago · 4 km deep · 18 km away
  45. 1.58 km NE of Gilroy, California · 16786 days ago · 6 km deep · 23 km away
  46. 2.05 km SSW of Dublin, California · 16786 days ago · 11 km deep · 93 km away
  47. 1.82 km W of San Juan Bautista, California · 16786 days ago · 4 km deep · 5 km away
  48. 1.722 km NE of Soledad, California · 16786 days ago · 2 km deep · 49 km away
  49. 2.021 km NE of Soledad, California · 16786 days ago · 4 km deep · 51 km away
  50. 2.19 km NE of Gilroy, California · 16786 days ago · 9 km deep · 25 km away
  51. 1.97 km SSW of Tres Pinos, California · 16785 days ago · 5 km deep · 27 km away
  52. 1.69 km NE of Milpitas, California · 16785 days ago · 7 km deep · 71 km away
  53. 2.39 km NE of Milpitas, California · 16785 days ago · 8 km deep · 71 km away
  54. 1.736 km ENE of Soledad, California · 16784 days ago · 5 km deep · 66 km away
  55. 1.515 km SSE of Livermore, California · 16783 days ago · 3 km deep · 77 km away
  56. 2.523 km NE of King City, California · 16782 days ago · 7 km deep · 79 km away
  57. 1.819 km SSE of Livermore, California · 16781 days ago · 4 km deep · 73 km away
  58. 3.06 km NE of East Foothills, California · 16781 days ago · 8 km deep · 62 km away
  59. 2.55 km SW of Gilroy, California · 16781 days ago · 4 km deep · 11 km away
  60. 1.55 km SW of Gilroy, California · 16781 days ago · 4 km deep · 11 km away

The first 60 of 117.

Before

  1. 1.721 km NE of Soledad, California · 16814 days ago · 6 km deep · 55 km away
  2. 1.715 km SSE of Livermore, California · 16814 days ago · 3 km deep · 77 km away
  3. 3.022 km NE of Soledad, California · 16814 days ago · 3 km deep · 50 km away
  4. 1.53 km S of San Juan Bautista, California · 16815 days ago · 6 km deep · 9 km away
  5. 2.011 km S of Tres Pinos, California · 16815 days ago · 4 km deep · 33 km away
  6. 1.66 km NE of East Foothills, California · 16815 days ago · 6 km deep · 62 km away
  7. 1.95 km SSE of San Juan Bautista, California · 16816 days ago · 5 km deep · 12 km away
  8. 1.92 km N of Hollister, California · 16818 days ago · 6 km deep · 19 km away
  9. 1.818 km SSE of Tres Pinos, California · 16818 days ago · 5 km deep · 42 km away
  10. 2.09 km ENE of Morgan Hill, California · 16819 days ago · 5 km deep · 33 km away
  11. 1.911 km S of Tres Pinos, California · 16819 days ago · 3 km deep · 34 km away
  12. 1.912 km S of Tres Pinos, California · 16819 days ago · 3 km deep · 35 km away
  13. 1.522 km SSE of Tres Pinos, California · 16819 days ago · 5 km deep · 46 km away
  14. 2.012 km S of Tres Pinos, California · 16819 days ago · 4 km deep · 35 km away
  15. 1.927 km ENE of Soledad, California · 16820 days ago · 10 km deep · 59 km away
  16. 3.312 km S of Tres Pinos, California · 16820 days ago · 4 km deep · 35 km away
  17. 2.38 km NE of Gilroy, California · 16820 days ago · 6 km deep · 23 km away
  18. 2.51 km ESE of Aromas, California · 16821 days ago · 8 km deep · 2 km away
  19. 1.710 km SSE of Livermore, California · 16821 days ago · 6 km deep · 81 km away
  20. 1.715 km SSE of Tres Pinos, California · 16821 days ago · 6 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1055872. Read Fri, Oct 2, 2026, 3:16 AM UTC.