California earthquakes

M1.8 earthquake 4 km SE of Aromas, California

A magnitude 1.8 earthquake struck 4 km SE of Aromas, California on Fri, Feb 6, 1981, 5:48 PM PST (01:48 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.8 2 km NNW of Hollister, 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
1.8 (md), micro
Local time
UTC
1981-02-07 01:48:13 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
36.865° N, 121.601° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
56°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.52 km WSW of Cupertino, California · 16656 days ago · 4 km deep · 64 km away
  2. 1.82 km NNW of Hollister, California · 16655 days ago · 7 km deep · 17 km away
  3. 2.19 km SSE of Sunol, California · 16654 days ago · 9 km deep · 76 km away
  4. 1.523 km ENE of Soledad, California · 16654 days ago · 6 km deep · 63 km away
  5. 2.12 km NNW of Hollister, California · 16654 days ago · 7 km deep · 17 km away
  6. 2.022 km NNE of Soledad, California · 16654 days ago · 2 km deep · 46 km away
  7. 1.99 km NNW of Hollister, California · 16654 days ago · 4 km deep · 17 km away
  8. 1.623 km ENE of San Lucas, California · 16653 days ago · 6 km deep · 100 km away
  9. 1.75 km WNW of San Juan Bautista, California · 16653 days ago · 5 km deep · 1 km away
  10. 1.712 km ESE of Livermore, California · 16653 days ago · 8 km deep · 86 km away
  11. 1.824 km ENE of Greenfield, California · 16653 days ago · 7 km deep · 71 km away
  12. 2.3Northern California · 16653 days ago · 8 km deep · 65 km away
  13. 1.63 km S of San Juan Bautista, California · 16653 days ago · 6 km deep · 8 km away
  14. 1.59 km SSW of Tres Pinos, California · 16652 days ago · 3 km deep · 28 km away
  15. 1.825 km NE of King City, California · 16651 days ago · 8 km deep · 77 km away
  16. 2.49 km ESE of Gilroy, California · 16651 days ago · 5 km deep · 18 km away
  17. 1.69 km ESE of East Foothills, California · 16651 days ago · 9 km deep · 56 km away
  18. 1.69 km ESE of Gilroy, California · 16651 days ago · 5 km deep · 18 km away
  19. 1.621 km NE of Soledad, California · 16650 days ago · 7 km deep · 53 km away
  20. 1.79 km NNE of Hollister, California · 16649 days ago · 6 km deep · 23 km away
  21. 2.75 km ENE of East Foothills, California · 16649 days ago · 5 km deep · 61 km away
  22. 1.74 km SSE of San Juan Bautista, California · 16649 days ago · 5 km deep · 9 km away
  23. 3.01 km ESE of Aromas, California · 16649 days ago · 9 km deep · 3 km away
  24. 2.12 km ESE of Aromas, California · 16649 days ago · 7 km deep · 2 km away
  25. 1.62 km ESE of Aromas, California · 16649 days ago · 7 km deep · 2 km away
  26. 1.78 km SSW of Tres Pinos, California · 16649 days ago · 3 km deep · 28 km away
  27. 1.726 km NE of Soledad, California · 16649 days ago · 8 km deep · 56 km away
  28. 2.52 km ESE of Aromas, California · 16649 days ago · 7 km deep · 2 km away
  29. 3.010 km S of Davenport, California · 16649 days ago · 9 km deep · 52 km away
  30. 2.22 km ESE of Aromas, California · 16648 days ago · 7 km deep · 2 km away
  31. 2.11 km SSW of Tres Pinos, California · 16648 days ago · 6 km deep · 26 km away
  32. 1.75 km SW of Gilroy, California · 16648 days ago · 5 km deep · 12 km away
  33. 2.52 km ESE of Aromas, California · 16648 days ago · 7 km deep · 2 km away
  34. 1.711 km SSE of Tres Pinos, California · 16648 days ago · 18 km deep · 35 km away
  35. 2.43 km ESE of Aromas, California · 16648 days ago · 7 km deep · 2 km away
  36. 2.27 km ENE of San Martin, California · 16648 days ago · 3 km deep · 28 km away
  37. 2.87 km ENE of San Martin, California · 16648 days ago · 3 km deep · 28 km away
  38. 1.59 km S of Tres Pinos, California · 16648 days ago · 4 km deep · 29 km away
  39. 3.17 km ENE of San Martin, California · 16647 days ago · 3 km deep · 27 km away
  40. 1.52 km S of San Juan Bautista, California · 16647 days ago · 3 km deep · 8 km away
  41. 1.610 km NNW of Hollister, California · 16647 days ago · 3 km deep · 14 km away
  42. 1.610 km NE of San Martin, CA · 16647 days ago · 8 km deep · 32 km away
  43. 1.67 km ENE of San Martin, California · 16647 days ago · 3 km deep · 27 km away
  44. 1.92 km ESE of Aromas, California · 16646 days ago · 6 km deep · 2 km away
  45. 3.03 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 2 km away
  46. 3.12 km ESE of Aromas, California · 16646 days ago · 7 km deep · 2 km away
  47. 2.53 km ESE of Aromas, CA · 16646 days ago · 7 km deep · 2 km away
  48. 1.5Central California · 16646 days ago · 7 km deep · 2 km away
  49. 3.12 km E of Aromas, California · 16646 days ago · 6 km deep · 3 km away
  50. 1.52 km ESE of Aromas, California · 16646 days ago · 6 km deep · 2 km away
  51. 2.33 km ESE of Aromas, California · 16645 days ago · 7 km deep · 1 km away
  52. 1.621 km NE of Soledad, California · 16645 days ago · 3 km deep · 52 km away
  53. 1.53 km ENE of Tres Pinos, California · 16645 days ago · 10 km deep · 29 km away
  54. 1.58 km ENE of Morgan Hill, California · 16644 days ago · 2 km deep · 33 km away
  55. 1.524 km NE of Greenfield, California · 16644 days ago · 6 km deep · 68 km away
  56. 1.820 km SSE of Tres Pinos, California · 16644 days ago · 4 km deep · 43 km away
  57. 1.813 km NW of Pacific Grove, California · 16642 days ago · 8 km deep · 44 km away
  58. 1.54 km W of Gonzales, California · 16642 days ago · 7 km deep · 41 km away
  59. 1.623 km ENE of Soledad, California · 16642 days ago · 4 km deep · 62 km away
  60. 1.615 km SSE of Livermore, California · 16642 days ago · 2 km deep · 78 km away

The first 60 of 184.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060080. Read Tue, Sep 22, 2026, 8:43 AM UTC.