California earthquakes

M1.6 earthquake 14 km E of Seven Trees, California

A magnitude 1.6 earthquake struck 14 km E of Seven Trees, California on Wed, Mar 28, 1990, 5:59 AM PST (13:59 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.4 5 km NNW of Aromas, California. This one was a foreshock.

Seven Trees 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-03-28 13:59:04 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
37.310° N, 121.681° 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, 0.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
67°
Stations used
41

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 110 in the 30 days before it.

After

  1. 2.0Central California · 13338 days ago · 5 km deep · 44 km away
  2. 1.94 km W of Lexington Hills, California · 13337 days ago · 13 km deep · 34 km away
  3. 2.44 km ENE of Tres Pinos, California · 13337 days ago · 5 km deep · 67 km away
  4. 1.92 km SSW of San Juan Bautista, California · 13337 days ago · 6 km deep · 55 km away
  5. 1.62 km SW of Loyola, California · 13337 days ago · 5 km deep · 39 km away
  6. 1.616 km NNE of Soledad, California · 13336 days ago · 6 km deep · 91 km away
  7. 1.72 km N of Interlaken, California · 13336 days ago · 14 km deep · 37 km away
  8. 1.78 km SE of San Juan Bautista, California · 13336 days ago · 4 km deep · 61 km away
  9. 1.86 km WNW of Day Valley, California · 13336 days ago · 17 km deep · 35 km away
  10. 1.63 km W of Lexington Hills, California · 13336 days ago · 12 km deep · 34 km away
  11. 1.92 km WNW of San Juan Bautista, California · 13336 days ago · 6 km deep · 51 km away
  12. 2.15 km SSW of Tres Pinos, California · 13334 days ago · 8 km deep · 69 km away
  13. 2.52 km SW of San Juan Bautista, California · 13334 days ago · 8 km deep · 55 km away
  14. 2.614 km N of Morgan Hill, California · 13334 days ago · 6 km deep · 6 km away
  15. 2.52 km W of San Juan Bautista, California · 13334 days ago · 3 km deep · 52 km away
  16. 1.73 km SW of Lexington Hills, California · 13334 days ago · 13 km deep · 34 km away
  17. 1.66 km NE of Ridgemark, California · 13333 days ago · 10 km deep · 60 km away
  18. 2.021 km E of Tres Pinos, California · 13332 days ago · 4 km deep · 75 km away
  19. 2.85 km WNW of San Juan Bautista, California · 13332 days ago · 7 km deep · 51 km away
  20. 1.92 km SW of San Juan Bautista, California · 13332 days ago · 8 km deep · 55 km away
  21. 2.02 km SW of San Juan Bautista, California · 13332 days ago · 8 km deep · 55 km away
  22. 1.714 km N of Morgan Hill, California · 13331 days ago · 7 km deep · 6 km away
  23. 1.622 km NE of Soledad, California · 13331 days ago · 9 km deep · 98 km away
  24. 1.72 km W of Ridgemark, California · 13331 days ago · 7 km deep · 61 km away
  25. 1.93 km SW of Lexington Hills, California · 13330 days ago · 13 km deep · 34 km away
  26. 1.72 km NNW of Seacliff, California · 13330 days ago · 4 km deep · 41 km away
  27. 2.44 km ESE of Interlaken, California · 13330 days ago · 11 km deep · 41 km away
  28. 1.62 km SW of Lexington Hills, California · 13330 days ago · 14 km deep · 33 km away
  29. 1.63 km ENE of Tres Pinos, California · 13330 days ago · 9 km deep · 66 km away
  30. 1.51 km WSW of Freedom, California · 13329 days ago · 6 km deep · 43 km away
  31. 3.73 km NE of Alamo, California · 13329 days ago · 8 km deep · 68 km away
  32. 2.43 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  33. 1.82 km ENE of Alamo, California · 13329 days ago · 5 km deep · 67 km away
  34. 2.42 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  35. 2.12 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  36. 1.83 km ENE of Alamo, California · 13329 days ago · 5 km deep · 68 km away
  37. 1.64 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  38. 1.63 km ENE of Alamo, California · 13329 days ago · 7 km deep · 68 km away
  39. 2.34 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  40. 2.13 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  41. 1.54 km ENE of Alamo, California · 13329 days ago · 5 km deep · 67 km away
  42. 1.62 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  43. 3.02 km NE of Alamo, California · 13329 days ago · 8 km deep · 68 km away
  44. 1.92 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  45. 1.62 km ENE of Alamo, California · 13329 days ago · 7 km deep · 68 km away
  46. 1.64 km S of North Gate, California · 13329 days ago · 6 km deep · 68 km away
  47. 1.82 km ENE of Alamo, California · 13329 days ago · 7 km deep · 68 km away
  48. 1.92 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  49. 2.02 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  50. 3.93 km NE of Alamo, California · 13329 days ago · 9 km deep · 68 km away
  51. 3.24 km SSE of North Gate, California · 13329 days ago · 7 km deep · 68 km away
  52. 1.64 km SSE of North Gate, California · 13329 days ago · 6 km deep · 68 km away
  53. 2.43 km ENE of Alamo, California · 13329 days ago · 6 km deep · 67 km away
  54. 2.43 km ENE of Alamo, California · 13329 days ago · 7 km deep · 68 km away
  55. 2.74 km SSE of North Gate, California · 13329 days ago · 7 km deep · 68 km away
  56. 1.84 km NNW of Diablo, California · 13329 days ago · 6 km deep · 68 km away
  57. 1.63 km ENE of Alamo, California · 13329 days ago · 7 km deep · 68 km away
  58. 1.91 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  59. 2.73 km ENE of Alamo, California · 13329 days ago · 6 km deep · 68 km away
  60. 1.54 km SSE of North Gate, California · 13329 days ago · 7 km deep · 68 km away

The first 60 of 198.

Before

  1. 2.2Central California · 13338 days ago · 8 km deep · 96 km away
  2. 1.6Central California · 13338 days ago · 7 km deep · 51 km away
  3. 2.13 km WNW of San Juan Bautista, California · 13338 days ago · 7 km deep · 51 km away
  4. 2.43 km WNW of San Juan Bautista, California · 13338 days ago · 6 km deep · 51 km away
  5. 3.63 km WNW of San Juan Bautista, California · 13338 days ago · 6 km deep · 51 km away
  6. 2.216 km WNW of Davenport, California · 13339 days ago · 8 km deep · 65 km away
  7. 1.65 km SSW of Ridgemark, California · 13339 days ago · 4 km deep · 66 km away
  8. 1.75 km SW of Gilroy, California · 13339 days ago · 3 km deep · 39 km away
  9. 2.810 km S of Tres Pinos, California · 13339 days ago · 4 km deep · 75 km away
  10. 1.72 km WSW of Alamo, California · 13339 days ago · 12 km deep · 68 km away
  11. 1.722 km ENE of Soledad, California · 13340 days ago · 2 km deep · 100 km away
  12. 1.710 km WSW of Volta, California · 13340 days ago · 7 km deep · 62 km away
  13. 1.81 km NE of Interlaken, California · 13340 days ago · 14 km deep · 39 km away
  14. 3.122 km NE of Soledad, California · 13340 days ago · 3 km deep · 94 km away
  15. 1.77 km SE of Lexington Hills, California · 13341 days ago · 6 km deep · 30 km away
  16. 2.95 km SW of Gilroy, California · 13341 days ago · 4 km deep · 38 km away
  17. 1.61 km NW of Lexington Hills, California · 13341 days ago · 7 km deep · 31 km away
  18. 1.93 km NE of Monte Sereno, California · 13341 days ago · 3 km deep · 26 km away
  19. 1.68 km NW of Day Valley, California · 13341 days ago · 11 km deep · 32 km away
  20. 1.64 km WNW of San Juan Bautista, California · 13341 days ago · 6 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc154897. Read Sat, Oct 3, 2026, 10:54 AM UTC.