California earthquakes

M1.8 earthquake 21 km NE of Soledad, California

A magnitude 1.8 earthquake struck 21 km NE of Soledad, California on Fri, Apr 20, 1984, 1:05 AM PST (09:05 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.3 14 km E of Seven Trees, 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
1.8 (md), micro
Local time
UTC
1984-04-20 09:05:43 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
36.539° N, 121.130° 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
±0.22
Depth from
From location
Station coverage gap
61°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.314 km E of Seven Trees, California · 15468 days ago · 6 km deep · 97 km away
  2. 1.97 km NNE of Morgan Hill, California · 15468 days ago · 5 km deep · 86 km away
  3. 3.222 km NE of San Lucas, California · 15467 days ago · 6 km deep · 43 km away
  4. 3.013 km N of Morgan Hill, California · 15467 days ago · 6 km deep · 92 km away
  5. 2.816 km N of Morgan Hill, California · 15467 days ago · 8 km deep · 94 km away
  6. 1.710 km NW of Avenal, California · 15467 days ago · 4 km deep · 97 km away
  7. 1.99 km ENE of Coalinga, California · 15467 days ago · 4 km deep · 87 km away
  8. 2.08 km NE of Coalinga, California · 15466 days ago · 10 km deep · 84 km away
  9. 1.712 km NNE of Morgan Hill, California · 15466 days ago · 4 km deep · 89 km away
  10. 1.614km NNE of Coalinga, CA · 15466 days ago · 13 km deep · 83 km away
  11. 1.916 km N of Morgan Hill, California · 15466 days ago · 5 km deep · 94 km away
  12. 1.716 km E of Seven Trees, California · 15466 days ago · 5 km deep · 95 km away
  13. 2.08 km NE of Morgan Hill, California · 15466 days ago · 3 km deep · 82 km away
  14. 2.717 km NNW of Coalinga, California · 15465 days ago · 11 km deep · 70 km away
  15. 2.19 km ENE of Coalinga, California · 15465 days ago · 8 km deep · 87 km away
  16. 1.610 km NE of Morgan Hill, California · 15465 days ago · 8 km deep · 83 km away
  17. 1.618 km NW of Parkfield, California · 15465 days ago · 5 km deep · 76 km away
  18. 1.513 km N of Morgan Hill, California · 15465 days ago · 4 km deep · 90 km away
  19. 1.85 km NNE of Morgan Hill, California · 15464 days ago · 2 km deep · 84 km away
  20. 1.715 km N of Morgan Hill, California · 15464 days ago · 5 km deep · 94 km away
  21. 2.48 km ENE of Morgan Hill, California · 15464 days ago · 3 km deep · 80 km away
  22. 2.423 km NW of Parkfield, California · 15464 days ago · 0 km deep · 71 km away
  23. 2.814 km N of Morgan Hill, California · 15464 days ago · 6 km deep · 92 km away
  24. 1.814 km E of Seven Trees, California · 15464 days ago · 5 km deep · 97 km away
  25. 1.810 km NE of Gilroy, California · 15464 days ago · 9 km deep · 68 km away
  26. 1.511 km NNW of Coalinga, California · 15464 days ago · 10 km deep · 74 km away
  27. 2.028 km WSW of Lockwood, California · 15464 days ago · 9 km deep · 77 km away
  28. 1.513 km N of Morgan Hill, California · 15463 days ago · 7 km deep · 91 km away
  29. 1.622 km ESE of Tres Pinos, California · 15463 days ago · 0 km deep · 20 km away
  30. 1.78 km ENE of Morgan Hill, California · 15462 days ago · 4 km deep · 79 km away
  31. 1.815 km NNW of Coalinga, California · 15462 days ago · 6 km deep · 70 km away
  32. 1.935 km W of Lockwood, California · 15462 days ago · 10 km deep · 71 km away
  33. 2.014 km E of Seven Trees, California · 15462 days ago · 0 km deep · 96 km away
  34. 1.721 km NE of Soledad, California · 15462 days ago · 7 km deep · 1 km away
  35. 2.616 km N of Morgan Hill, California · 15462 days ago · 8 km deep · 94 km away
  36. 1.78 km ENE of Morgan Hill, California · 15462 days ago · 3 km deep · 80 km away
  37. 1.614 km E of Seven Trees, California · 15462 days ago · 1 km deep · 96 km away
  38. 1.612 km NNE of Morgan Hill, California · 15461 days ago · 6 km deep · 89 km away
  39. 1.87 km ENE of Morgan Hill, California · 15461 days ago · 3 km deep · 79 km away
  40. 1.812 km N of Morgan Hill, California · 15461 days ago · 3 km deep · 91 km away
  41. 3.29 km NNW of Coalinga, California · 15460 days ago · 7 km deep · 74 km away
  42. 2.011 km NNW of Avenal, California · 15460 days ago · 6 km deep · 98 km away
  43. 3.12 km SW of San Juan Bautista, California · 15460 days ago · 5 km deep · 50 km away
  44. 1.69 km NNW of Coalinga, California · 15460 days ago · 7 km deep · 74 km away
  45. 1.922 km NE of San Lucas, California · 15459 days ago · 6 km deep · 38 km away
  46. 1.716 km E of Seven Trees, California · 15459 days ago · 6 km deep · 95 km away
  47. 2.531 km W of Three Rocks, California · 15459 days ago · 5 km deep · 35 km away
  48. 2.221 km NNE of Soledad, California · 15459 days ago · 6 km deep · 8 km away
  49. 1.69 km NNE of Morgan Hill, California · 15459 days ago · 4 km deep · 85 km away
  50. 2.014 km SSE of Tres Pinos, California · 15459 days ago · 4 km deep · 19 km away
  51. 1.67 km ENE of Coalinga, California · 15458 days ago · 6 km deep · 86 km away
  52. 1.94 km N of Moss Landing, California · 15458 days ago · 11 km deep · 68 km away
  53. 1.59 km ENE of Morgan Hill, California · 15458 days ago · 4 km deep · 79 km away
  54. 2.114 km E of Seven Trees, California · 15458 days ago · 3 km deep · 97 km away
  55. 1.614 km S of Tres Pinos, California · 15458 days ago · 10 km deep · 20 km away
  56. 1.613 km E of Seven Trees, California · 15458 days ago · 3 km deep · 98 km away
  57. 1.79 km NNE of Morgan Hill, California · 15458 days ago · 5 km deep · 86 km away
  58. 1.613 km N of Morgan Hill, California · 15458 days ago · 4 km deep · 90 km away
  59. 2.124 km NE of Greenfield, California · 15457 days ago · 7 km deep · 10 km away
  60. 2.013 km N of Coalinga, California · 15457 days ago · 8 km deep · 77 km away

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc15950. Read Tue, Sep 22, 2026, 9:35 PM UTC.