California earthquakes

M1.6 earthquake 21 km NNE of Soledad, California

A magnitude 1.6 earthquake struck 21 km NNE of Soledad, California on Tue, Mar 20, 1984, 11:19 PM PST (07:19 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 14 km N of Morgan Hill, California. This one was a foreshock.

Soledad 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
1.6 (md), micro
Local time
UTC
1984-03-21 07:19:02 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
36.590° N, 121.198° 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, 0.5 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
48°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.617 km N of Morgan Hill, California · 15483 days ago · 3 km deep · 86 km away
  2. 1.914 km N of Morgan Hill, California · 15483 days ago · 4 km deep · 84 km away
  3. 2.212 km N of Morgan Hill, California · 15483 days ago · 7 km deep · 82 km away
  4. 1.815 km E of Seven Trees, California · 15483 days ago · 3 km deep · 88 km away
  5. 2.614 km N of Morgan Hill, California · 15483 days ago · 6 km deep · 85 km away
  6. 1.611 km NE of Coalinga, California · 15483 days ago · 8 km deep · 93 km away
  7. 2.114 km E of Seven Trees, California · 15482 days ago · 6 km deep · 91 km away
  8. 2.113 km N of Morgan Hill, California · 15482 days ago · 4 km deep · 83 km away
  9. 3.216 km N of Morgan Hill, California · 15482 days ago · 8 km deep · 86 km away
  10. 4.216 km N of Morgan Hill, California · 15482 days ago · 9 km deep · 86 km away
  11. 2.29 km ENE of Coalinga, California · 15482 days ago · 9 km deep · 97 km away
  12. 2.212 km ESE of East Foothills, California · 15482 days ago · 6 km deep · 93 km away
  13. 1.920 km NW of Coalinga, California · 15482 days ago · 0 km deep · 70 km away
  14. 1.69 km ENE of Morgan Hill, California · 15482 days ago · 5 km deep · 71 km away
  15. 2.4Northern California · 15482 days ago · 4 km deep · 73 km away
  16. 2.013 km N of Coalinga, California · 15482 days ago · 9 km deep · 85 km away
  17. 2.016 km E of Seven Trees, California · 15481 days ago · 4 km deep · 87 km away
  18. 1.516 km E of Seven Trees, California · 15481 days ago · 5 km deep · 87 km away
  19. 1.916 km E of Seven Trees, California · 15481 days ago · 8 km deep · 87 km away
  20. 2.18 km ENE of Coalinga, California · 15481 days ago · 10 km deep · 95 km away
  21. 2.413 km NNW of Big Sur, California · 15481 days ago · 10 km deep · 65 km away
  22. 1.616 km E of Seven Trees, California · 15481 days ago · 8 km deep · 87 km away
  23. 3.415 km E of Seven Trees, California · 15481 days ago · 5 km deep · 88 km away
  24. 1.910 km NE of San Martin, California · 15481 days ago · 7 km deep · 71 km away
  25. 2.67 km NE of Gilroy, California · 15481 days ago · 3 km deep · 58 km away
  26. 1.714 km N of Morgan Hill, California · 15481 days ago · 6 km deep · 85 km away
  27. 2.07 km NE of Gilroy, California · 15481 days ago · 3 km deep · 58 km away
  28. 2.515 km E of Seven Trees, California · 15481 days ago · 5 km deep · 88 km away
  29. 2.1Northern California · 15481 days ago · 1 km deep · 89 km away
  30. 3.05 km ENE of San Martin, California · 15481 days ago · 3 km deep · 65 km away
  31. 2.019 km ESE of East Foothills, California · 15481 days ago · 2 km deep · 88 km away
  32. 1.98 km ENE of Morgan Hill, California · 15481 days ago · 2 km deep · 71 km away
  33. 2.115 km N of Morgan Hill, California · 15480 days ago · 5 km deep · 86 km away
  34. 1.57 km NNE of Coalinga, California · 15480 days ago · 11 km deep · 89 km away
  35. 2.021 km NE of Soledad, California · 15480 days ago · 3 km deep · 4 km away
  36. 2.114 km E of Seven Trees, California · 15480 days ago · 5 km deep · 89 km away
  37. 1.77 km NNE of San Martin, California · 15480 days ago · 3 km deep · 70 km away
  38. 1.88 km NE of San Martin, California · 15480 days ago · 5 km deep · 69 km away
  39. 2.011 km ESE of East Foothills, California · 15480 days ago · 4 km deep · 94 km away
  40. 2.01 km ESE of Monterey, California · 15480 days ago · 2 km deep · 61 km away
  41. 2.412 km N of Coalinga, California · 15480 days ago · 9 km deep · 85 km away
  42. 1.67 km NNE of San Martin, California · 15480 days ago · 4 km deep · 70 km away
  43. 2.212 km N of Coalinga, California · 15480 days ago · 9 km deep · 84 km away
  44. 1.58 km NE of San Martin, California · 15480 days ago · 7 km deep · 68 km away
  45. 2.813 km ESE of Alum Rock, California · 15479 days ago · 6 km deep · 92 km away
  46. 1.614 km E of Seven Trees, California · 15479 days ago · 9 km deep · 90 km away
  47. 1.714 km E of Seven Trees, California · 15479 days ago · 6 km deep · 91 km away
  48. 2.617 km NNW of Coalinga, California · 15479 days ago · 8 km deep · 77 km away
  49. 1.79 km NNE of Morgan Hill, California · 15479 days ago · 4 km deep · 78 km away
  50. 1.614 km E of Seven Trees, California · 15479 days ago · 4 km deep · 88 km away
  51. 1.89 km NE of Coalinga, California · 15479 days ago · 6 km deep · 94 km away
  52. 2.021 km NE of Soledad, California · 15479 days ago · 7 km deep · 5 km away
  53. 1.58 km ENE of Coalinga, California · 15478 days ago · 7 km deep · 94 km away
  54. 1.67 km ENE of Morgan Hill, California · 15478 days ago · 3 km deep · 70 km away
  55. 3.115 km E of Seven Trees, California · 15478 days ago · 6 km deep · 88 km away
  56. 1.916 km NNE of Morgan Hill, California · 15478 days ago · 1 km deep · 83 km away
  57. 1.817 km NNW of Coalinga, California · 15478 days ago · 7 km deep · 77 km away
  58. 1.916 km E of Seven Trees, California · 15478 days ago · 8 km deep · 87 km away
  59. 1.513 km N of Coalinga, California · 15478 days ago · 9 km deep · 84 km away
  60. 1.97 km N of Cantua Creek, California · 15478 days ago · 7 km deep · 80 km away

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc11421. Read Tue, Sep 22, 2026, 9:15 PM UTC.