California earthquakes

M1.6 earthquake 15 km E of Seven Trees, California

A magnitude 1.6 earthquake struck 15 km E of Seven Trees, California on Thu, Apr 12, 1990, 7:21 PM PDT (02:21 UTC), 2 km (1 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
1990-04-13 02:21:13 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
37.286° N, 121.669° 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
±0.12
Depth from
From location
Station coverage gap
61°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 1.912 km NNE of Pittsburg, California · 13324 days ago · 18 km deep · 96 km away
  2. 1.83 km SW of Hollister, California · 13324 days ago · 7 km deep · 55 km away
  3. 1.83 km NW of Diablo, California · 13324 days ago · 4 km deep · 70 km away
  4. 1.52 km SW of San Juan Bautista, California · 13323 days ago · 6 km deep · 52 km away
  5. 2.2Northern California · 13323 days ago · 5 km deep · 70 km away
  6. 2.110 km N of Pittsburg, California · 13323 days ago · 21 km deep · 94 km away
  7. 2.34 km NW of Diablo, California · 13323 days ago · 4 km deep · 70 km away
  8. 2.54 km SSE of North Gate, California · 13323 days ago · 6 km deep · 71 km away
  9. 2.33 km WNW of Pacifica, California · 13323 days ago · 7 km deep · 84 km away
  10. 1.73 km N of Interlaken, California · 13323 days ago · 12 km deep · 34 km away
  11. 2.15 km ESE of Interlaken, California · 13323 days ago · 13 km deep · 39 km away
  12. 2.43 km WNW of Pacifica, California · 13323 days ago · 7 km deep · 84 km away
  13. 1.84 km NNW of Diablo, California · 13323 days ago · 3 km deep · 70 km away
  14. 2.0Northern California · 13323 days ago · 6 km deep · 71 km away
  15. 1.78 km ENE of Morgan Hill, California · 13323 days ago · 2 km deep · 17 km away
  16. 1.67 km S of Tres Pinos, California · 13323 days ago · 9 km deep · 70 km away
  17. 1.88 km ENE of San Martin, California · 13322 days ago · 7 km deep · 22 km away
  18. 1.85 km NW of Broadmoor, California · 13322 days ago · 11 km deep · 89 km away
  19. 1.83 km NW of Diablo, California · 13322 days ago · 3 km deep · 70 km away
  20. 2.34 km NNW of Diablo, California · 13322 days ago · 6 km deep · 70 km away
  21. 1.93 km ENE of Alamo, California · 13322 days ago · 6 km deep · 70 km away
  22. 2.23 km SSE of North Gate, California · 13322 days ago · 5 km deep · 71 km away
  23. 2.11 km NNW of Lexington Hills, California · 13322 days ago · 7 km deep · 30 km away
  24. 1.77 km NE of Hollister, California · 13321 days ago · 7 km deep · 51 km away
  25. 1.624 km NE of Soledad, California · 13321 days ago · 10 km deep · 89 km away
  26. 1.624 km NE of Soledad, California · 13321 days ago · 10 km deep · 89 km away
  27. 1.918 km NE of East Foothills, California · 13321 days ago · 7 km deep · 25 km away
  28. 2.512 km S of Tres Pinos, California · 13321 days ago · 4 km deep · 76 km away
  29. 3.112 km S of Tres Pinos, California · 13321 days ago · 4 km deep · 76 km away
  30. 1.67 km NW of Day Valley, California · 13320 days ago · 11 km deep · 31 km away
  31. 1.63 km NW of Diablo, California · 13320 days ago · 5 km deep · 70 km away
  32. 1.83 km NNW of Diablo, California · 13320 days ago · 5 km deep · 70 km away
  33. 2.34 km W of Alamo, California · 13320 days ago · 6 km deep · 72 km away
  34. 2.14 km NNW of Diablo, California · 13320 days ago · 5 km deep · 70 km away
  35. 1.64 km NW of Diablo, California · 13320 days ago · 6 km deep · 70 km away
  36. 2.34 km NNW of Diablo, California · 13320 days ago · 3 km deep · 70 km away
  37. 1.54 km NNW of Day Valley, California · 13320 days ago · 14 km deep · 31 km away
  38. 1.91 km NE of Alamo, California · 13320 days ago · 6 km deep · 71 km away
  39. 2.57 km WSW of Gilroy, California · 13320 days ago · 4 km deep · 33 km away
  40. 2.17 km WSW of Gilroy, California · 13319 days ago · 4 km deep · 33 km away
  41. 1.88 km NE of San Martin, California · 13319 days ago · 7 km deep · 21 km away
  42. 4.33 km N of Aromas, California · 13319 days ago · 6 km deep · 41 km away
  43. 4.74 km N of Aromas, California · 13319 days ago · 4 km deep · 40 km away
  44. 4.94 km NNW of Aromas, California · 13319 days ago · 6 km deep · 39 km away
  45. 5.45 km NNW of Aromas, California · 13319 days ago · 5 km deep · 39 km away
  46. 2.59 km N of Pittsburg, California · 13319 days ago · 21 km deep · 94 km away
  47. 1.75 km ENE of Interlaken, California · 13319 days ago · 5 km deep · 36 km away
  48. 2.84 km N of Aromas, California · 13319 days ago · 6 km deep · 40 km away
  49. 2.35 km NNW of Aromas, California · 13319 days ago · 6 km deep · 39 km away
  50. 2.14 km N of Aromas, California · 13319 days ago · 6 km deep · 40 km away
  51. 2.14 km ENE of Interlaken, California · 13319 days ago · 6 km deep · 36 km away
  52. 2.32 km NNE of Aromas, California · 13319 days ago · 4 km deep · 42 km away
  53. 2.92 km NE of Aromas, California · 13319 days ago · 6 km deep · 43 km away
  54. 2.15 km NNW of Aromas, California · 13319 days ago · 6 km deep · 39 km away
  55. 2.05 km E of Interlaken, California · 13319 days ago · 6 km deep · 37 km away
  56. 2.92 km NNW of Aromas, California · 13319 days ago · 7 km deep · 41 km away
  57. 2.43 km N of Aromas, California · 13319 days ago · 7 km deep · 41 km away
  58. 4.03 km NNW of Aromas, California · 13319 days ago · 8 km deep · 41 km away
  59. 2.23 km N of Aromas, California · 13319 days ago · 7 km deep · 41 km away
  60. 2.03 km N of Aromas, California · 13319 days ago · 6 km deep · 41 km away

The first 60 of 191.

Before

  1. 1.64 km ENE of Alamo, California · 13325 days ago · 5 km deep · 70 km away
  2. 2.14 km NNW of Diablo, California · 13325 days ago · 5 km deep · 70 km away
  3. 1.74 km NNW of Diablo, California · 13325 days ago · 1 km deep · 70 km away
  4. 2.23 km ENE of Alamo, California · 13325 days ago · 6 km deep · 70 km away
  5. 1.81 km NNW of Pleasant Hill, California · 13325 days ago · 11 km deep · 83 km away
  6. 2.69 km ESE of East Foothills, California · 13325 days ago · 7 km deep · 8 km away
  7. 1.93 km NW of Diablo, California · 13325 days ago · 3 km deep · 69 km away
  8. 1.73 km ENE of Alamo, California · 13325 days ago · 3 km deep · 70 km away
  9. 2.54 km ENE of Alamo, CA · 13325 days ago · 6 km deep · 71 km away
  10. 2.01 km NE of North Gate, California · 13325 days ago · 16 km deep · 76 km away
  11. 2.04 km SSE of North Gate, California · 13325 days ago · 7 km deep · 71 km away
  12. 1.63 km ENE of Alamo, California · 13325 days ago · 6 km deep · 70 km away
  13. 1.73 km SSE of North Gate, California · 13325 days ago · 5 km deep · 72 km away
  14. 2.83 km ENE of Alamo, California · 13325 days ago · 6 km deep · 71 km away
  15. 2.522 km ENE of Soledad, California · 13325 days ago · 5 km deep · 100 km away
  16. 1.95 km ESE of Interlaken, CA · 13325 days ago · 12 km deep · 39 km away
  17. 1.93 km NNW of Diablo, California · 13325 days ago · 5 km deep · 70 km away
  18. 2.3Northern California · 13325 days ago · 6 km deep · 70 km away
  19. 2.54 km NNW of Diablo, California · 13325 days ago · 6 km deep · 70 km away
  20. 2.34 km ESE of Interlaken, California · 13325 days ago · 12 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc155869. Read Mon, Oct 5, 2026, 10:36 AM UTC.