California earthquakes

M2.0 earthquake 4 km ESE of Aromas, California

A magnitude 2.0 earthquake struck 4 km ESE of Aromas, California on Tue, Jan 27, 1981, 2:19 PM PST (22:19 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.4 5 km E of Fremont, 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
2.0 (md), micro
Local time
UTC
1981-01-27 22:19:30 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.869° N, 121.603° 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
±0.17
Depth from
From location
Station coverage gap
59°
Stations used
40

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 90 in the 30 days before it.

After

  1. 2.84 km ESE of Aromas, California · 16680 days ago · 7 km deep · 0 km away
  2. 2.34 km SE of Aromas, California · 16680 days ago · 6 km deep · 0 km away
  3. 2.63 km SE of Aromas, California · 16680 days ago · 7 km deep · 0 km away
  4. 1.69 km NNE of Morgan Hill, California · 16679 days ago · 4 km deep · 37 km away
  5. 1.84 km ESE of Aromas, California · 16679 days ago · 7 km deep · 0 km away
  6. 2.23 km ESE of Aromas, California · 16679 days ago · 7 km deep · 1 km away
  7. 2.94 km SE of Aromas, California · 16679 days ago · 7 km deep · 1 km away
  8. 2.022 km NNE of Soledad, California · 16678 days ago · 8 km deep · 46 km away
  9. 1.722 km NE of San Lucas, California · 16678 days ago · 6 km deep · 95 km away
  10. 2.03 km SSW of Davenport, California · 16678 days ago · 6 km deep · 56 km away
  11. 2.24 km SE of Aromas, California · 16677 days ago · 7 km deep · 0 km away
  12. 1.79 km ENE of Morgan Hill, California · 16677 days ago · 6 km deep · 33 km away
  13. 1.73 km ESE of Aromas, California · 16677 days ago · 7 km deep · 1 km away
  14. 2.49 km ENE of Morgan Hill, California · 16676 days ago · 5 km deep · 33 km away
  15. 1.812 km S of Tres Pinos, California · 16676 days ago · 4 km deep · 35 km away
  16. 3.49 km ENE of Morgan Hill, California · 16676 days ago · 6 km deep · 33 km away
  17. 1.524 km NE of Greenfield, California · 16676 days ago · 7 km deep · 68 km away
  18. 2.23 km ESE of Aromas, California · 16676 days ago · 8 km deep · 1 km away
  19. 2.023 km NE of Soledad, California · 16676 days ago · 8 km deep · 56 km away
  20. 1.79 km SW of Ripon, California · 16676 days ago · 5 km deep · 97 km away
  21. 1.723 km SE of Tres Pinos, California · 16675 days ago · 8 km deep · 48 km away
  22. 1.915 km SSE of Livermore, California · 16675 days ago · 3 km deep · 78 km away
  23. 1.921 km SE of Tres Pinos, California · 16675 days ago · 1 km deep · 47 km away
  24. 2.423 km NE of Soledad, California · 16674 days ago · 8 km deep · 56 km away
  25. 2.04 km ESE of Aromas, California · 16674 days ago · 6 km deep · 1 km away
  26. 2.4Central California · 16674 days ago · 3 km deep · 11 km away
  27. 2.536 km NE of King City, California · 16673 days ago · 13 km deep · 81 km away
  28. 2.224 km ENE of Greenfield, California · 16673 days ago · 5 km deep · 75 km away
  29. 1.54 km NNE of Morgan Hill, California · 16673 days ago · 5 km deep · 33 km away
  30. 2.75 km ESE of Aromas, California · 16672 days ago · 6 km deep · 1 km away
  31. 1.715 km SSE of Tres Pinos, California · 16671 days ago · 3 km deep · 38 km away
  32. 2.313 km S of Tres Pinos, California · 16671 days ago · 5 km deep · 36 km away
  33. 1.63 km WNW of San Juan Bautista, California · 16671 days ago · 1 km deep · 3 km away
  34. 1.57 km E of East Foothills, California · 16671 days ago · 9 km deep · 59 km away
  35. 1.67 km E of East Foothills, California · 16671 days ago · 9 km deep · 59 km away
  36. 1.67 km E of East Foothills, California · 16671 days ago · 9 km deep · 59 km away
  37. 1.69 km NNE of Livermore, California · 16670 days ago · 12 km deep · 99 km away
  38. 2.324 km NE of Greenfield, California · 16670 days ago · 1 km deep · 67 km away
  39. 1.69 km NW of Hollister, California · 16670 days ago · 2 km deep · 13 km away
  40. 1.83 km S of Communications Hill, California · 16670 days ago · 5 km deep · 49 km away
  41. 1.84 km SE of Aromas, California · 16669 days ago · 7 km deep · 0 km away
  42. 2.5Northern California · 16669 days ago · 10 km deep · 53 km away
  43. 1.96 km SW of Monte Sereno, California · 16669 days ago · 10 km deep · 53 km away
  44. 2.726 km NE of Greenfield, California · 16669 days ago · 9 km deep · 67 km away
  45. 1.59 km ESE of East Foothills, California · 16668 days ago · 8 km deep · 55 km away
  46. 1.921 km NE of Soledad, California · 16668 days ago · 4 km deep · 55 km away
  47. 1.612 km E of Big Sur, California · 16667 days ago · 7 km deep · 69 km away
  48. 1.78 km N of Pacific Grove, California · 16667 days ago · 5 km deep · 33 km away
  49. 2.39 km NE of San Martin, California · 16667 days ago · 8 km deep · 31 km away
  50. 1.638 km SE of Big Sur, California · 16666 days ago · 3 km deep · 99 km away
  51. 1.620 km NE of Tres Pinos, California · 16665 days ago · 1 km deep · 42 km away
  52. 2.315 km SSE of Livermore, California · 16665 days ago · 1 km deep · 78 km away
  53. 2.521 km NE of Soledad, California · 16665 days ago · 3 km deep · 51 km away
  54. 2.121 km NE of Soledad, California · 16664 days ago · 3 km deep · 50 km away
  55. 2.224 km NE of Greenfield, California · 16664 days ago · 8 km deep · 67 km away
  56. 1.622 km NE of Soledad, California · 16663 days ago · 6 km deep · 48 km away
  57. 1.622 km NNE of Soledad, California · 16663 days ago · 4 km deep · 46 km away
  58. 1.613 km SE of Tres Pinos, California · 16663 days ago · 3 km deep · 40 km away
  59. 2.013 km S of Tres Pinos, California · 16663 days ago · 4 km deep · 35 km away
  60. 1.825 km NE of King City, California · 16663 days ago · 0 km deep · 77 km away

The first 60 of 181.

Before

  1. 2.34 km SE of Aromas, California · 16680 days ago · 6 km deep · 1 km away
  2. 2.64 km ESE of Aromas, California · 16680 days ago · 6 km deep · 1 km away
  3. 4.14 km SE of Aromas, California · 16680 days ago · 7 km deep · 1 km away
  4. 1.922 km NE of Soledad, California · 16680 days ago · 2 km deep · 56 km away
  5. 2.116 km E of East Foothills, California · 16680 days ago · 7 km deep · 59 km away
  6. 1.612 km S of Tres Pinos, California · 16680 days ago · 4 km deep · 34 km away
  7. 1.86 km E of San Martin, California · 16680 days ago · 5 km deep · 26 km away
  8. 1.624 km ENE of Greenfield, California · 16680 days ago · 5 km deep · 74 km away
  9. 2.06 km ENE of San Martin, California · 16681 days ago · 5 km deep · 26 km away
  10. 1.723 km NE of Soledad, California · 16681 days ago · 8 km deep · 56 km away
  11. 1.534 km NE of San Lucas, California · 16681 days ago · 8 km deep · 96 km away
  12. 1.58 km ENE of Gilroy, California · 16681 days ago · 6 km deep · 23 km away
  13. 1.733 km NE of San Lucas, California · 16681 days ago · 6 km deep · 97 km away
  14. 1.610 km ENE of Seven Trees, California · 16681 days ago · 3 km deep · 50 km away
  15. 2.014 km SSE of Livermore, California · 16682 days ago · 2 km deep · 78 km away
  16. 1.54 km W of Gonzales, California · 16682 days ago · 7 km deep · 42 km away
  17. 1.624 km NE of King City, California · 16683 days ago · 0 km deep · 78 km away
  18. 1.92 km N of Monte Sereno, California · 16683 days ago · 4 km deep · 55 km away
  19. 1.66 km NNE of Interlaken, California · 16683 days ago · 7 km deep · 17 km away
  20. 1.59 km SSW of Tres Pinos, California · 16683 days ago · 3 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059704. Read Mon, Sep 28, 2026, 10:58 AM UTC.