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, Feb 22, 1984, 5:38 AM PST (13:38 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M1.8 4 km SSE of San Juan Bautista, 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), micro
Local time
UTC
1984-02-22 13:38:15 UTC
Depth
1.3 km (0.8 mi), shallow
Epicenter
37.294° N, 121.677° 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
±0.17
Depth from
From location
Station coverage gap
63°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.510 km NE of San Martin, California · 15553 days ago · 8 km deep · 20 km away
  2. 1.84 km SSE of San Juan Bautista, California · 15553 days ago · 6 km deep · 55 km away
  3. 2.121 km NE of Soledad, California · 15553 days ago · 7 km deep · 90 km away
  4. 1.97 km E of East Foothills, California · 15553 days ago · 8 km deep · 10 km away
  5. 1.91 km NE of East Richmond Heights, California · 15553 days ago · 8 km deep · 92 km away
  6. 2.221 km NE of Soledad, California · 15552 days ago · 2 km deep · 95 km away
  7. 1.714 km SSE of Livermore, California · 15552 days ago · 6 km deep · 31 km away
  8. 1.64 km NNW of Union City, California · 15552 days ago · 4 km deep · 49 km away
  9. 1.6Northern California · 15552 days ago · 12 km deep · 95 km away
  10. 1.92 km S of Fairview, California · 15551 days ago · 7 km deep · 52 km away
  11. 1.710 km NNE of East Foothills, California · 15550 days ago · 7 km deep · 22 km away
  12. 1.54 km E of San Juan Bautista, California · 15550 days ago · 12 km deep · 53 km away
  13. 1.68 km NE of Corralitos, California · 15549 days ago · 12 km deep · 29 km away
  14. 1.53 km SW of Ridgemark, California · 15549 days ago · 2 km deep · 62 km away
  15. 2.32 km NNW of Diablo, California · 15549 days ago · 7 km deep · 68 km away
  16. 2.02 km NW of Diablo, California · 15548 days ago · 6 km deep · 67 km away
  17. 1.73 km NNW of Pacifica, California · 15547 days ago · 6 km deep · 83 km away
  18. 2.316 km SSE of Livermore, California · 15547 days ago · 3 km deep · 28 km away
  19. 2.611 km S of Tres Pinos, California · 15547 days ago · 2 km deep · 75 km away
  20. 2.022 km NNE of Soledad, California · 15547 days ago · 8 km deep · 87 km away
  21. 1.616 km E of Seven Trees, California · 15547 days ago · 8 km deep · 2 km away
  22. 1.916 km E of Seven Trees, California · 15547 days ago · 8 km deep · 2 km away
  23. 2.616 km E of Seven Trees, California · 15547 days ago · 8 km deep · 3 km away
  24. 1.911 km S of Tres Pinos, California · 15545 days ago · 4 km deep · 75 km away
  25. 2.112 km S of Tres Pinos, California · 15544 days ago · 2 km deep · 76 km away
  26. 2.013 km S of Tres Pinos, California · 15543 days ago · 4 km deep · 77 km away
  27. 2.117 km SSE of Tres Pinos, California · 15542 days ago · 4 km deep · 82 km away
  28. 1.61 km SW of Discovery Bay, California · 15539 days ago · 13 km deep · 67 km away
  29. 1.610 km ENE of Blackhawk, California · 15537 days ago · 9 km deep · 62 km away
  30. 2.1Central California · 15537 days ago · 8 km deep · 41 km away
  31. 1.522 km NNE of Soledad, California · 15536 days ago · 1 km deep · 88 km away
  32. 1.66 km ENE of Carmel Valley Village, California · 15535 days ago · 14 km deep · 85 km away
  33. 3.15 km SSW of Gilroy, California · 15535 days ago · 3 km deep · 38 km away
  34. 1.75 km SSW of Gilroy, California · 15535 days ago · 2 km deep · 38 km away
  35. 1.89 km NNE of San Juan Bautista, California · 15534 days ago · 3 km deep · 44 km away
  36. 1.821 km NNE of Soledad, California · 15534 days ago · 8 km deep · 89 km away
  37. 1.511 km SW of Brentwood, California · 15532 days ago · 6 km deep · 65 km away
  38. 2.421 km SSW of Los Banos, California · 15530 days ago · 0 km deep · 77 km away
  39. 1.55 km NNW of Day Valley, California · 15530 days ago · 9 km deep · 30 km away
  40. 4.110 km NNE of Livermore, CA · 15529 days ago · 11 km deep · 52 km away
  41. 1.917 km E of East Foothills, California · 15527 days ago · 7 km deep · 8 km away
  42. 1.99 km NNE of Hollister, California · 15526 days ago · 6 km deep · 51 km away
  43. 1.920 km W of Diablo Grande, California · 15526 days ago · 7 km deep · 19 km away
  44. 1.621 km NNE of Soledad, California · 15526 days ago · 8 km deep · 89 km away
  45. 2.03 km E of North Gate, California · 15525 days ago · 14 km deep · 73 km away
  46. 2.07 km NE of San Juan Bautista, California · 15524 days ago · 6 km deep · 49 km away
  47. 2.23 km SSW of Woodside, California · 15523 days ago · 8 km deep · 54 km away
  48. 2.221 km NE of Soledad, California · 15522 days ago · 7 km deep · 94 km away
  49. 1.827 km NE of Soledad, California · 15522 days ago · 7 km deep · 97 km away
  50. 1.627 km NE of Soledad, California · 15522 days ago · 8 km deep · 97 km away
  51. 1.69 km NE of San Martin, California · 15521 days ago · 8 km deep · 20 km away
  52. 1.81 km WNW of Concord, California · 15521 days ago · 16 km deep · 84 km away
  53. 4.010 km WSW of Ridgemark, California · 15521 days ago · 8 km deep · 62 km away
  54. 1.55 km E of Fremont, California · 15520 days ago · 6 km deep · 36 km away
  55. 1.67 km E of East Foothills, California · 15520 days ago · 6 km deep · 10 km away
  56. 4.33 km ENE of San Leandro, California · 15520 days ago · 7 km deep · 63 km away
  57. 2.63 km NE of San Leandro, California · 15520 days ago · 5 km deep · 64 km away
  58. 1.63 km NE of San Leandro, California · 15520 days ago · 5 km deep · 64 km away
  59. 1.52 km ENE of San Leandro, California · 15519 days ago · 3 km deep · 63 km away
  60. 2.02 km ESE of Tres Pinos, California · 15519 days ago · 7 km deep · 66 km away

The first 60 of 104.

Before

  1. 2.021 km NE of Soledad, California · 15555 days ago · 9 km deep · 95 km away
  2. 1.52 km NW of Country Club, California · 15556 days ago · 13 km deep · 82 km away
  3. 2.38 km NE of Corralitos, California · 15556 days ago · 12 km deep · 28 km away
  4. 2.013 km SSE of Tres Pinos, California · 15556 days ago · 4 km deep · 77 km away
  5. 2.03 km NNW of Hollister, California · 15556 days ago · 7 km deep · 51 km away
  6. 1.511 km SW of Carmel Valley Village, California · 15557 days ago · 8 km deep · 97 km away
  7. 1.74 km NE of Fremont, California · 15557 days ago · 8 km deep · 40 km away
  8. 1.811 km SW of Ridgemark, California · 15557 days ago · 14 km deep · 64 km away
  9. 2.213 km SW of Carmel Valley Village, California · 15558 days ago · 10 km deep · 100 km away
  10. 1.91 km NNW of North Gate, California · 15558 days ago · 12 km deep · 75 km away
  11. 2.01 km NNW of North Gate, California · 15558 days ago · 11 km deep · 75 km away
  12. 2.01 km NW of North Gate, California · 15558 days ago · 12 km deep · 75 km away
  13. 2.52 km SSW of Hollister, California · 15558 days ago · 8 km deep · 57 km away
  14. 2.617 km SSE of Tres Pinos, California · 15559 days ago · 3 km deep · 82 km away
  15. 1.911 km SE of Tres Pinos, California · 15562 days ago · 5 km deep · 75 km away
  16. 2.022 km NNE of Soledad, California · 15562 days ago · 2 km deep · 88 km away
  17. 2.112 km SW of Ridgemark, California · 15563 days ago · 15 km deep · 64 km away
  18. 2.58 km SSW of Tres Pinos, California · 15565 days ago · 2 km deep · 70 km away
  19. 2.027 km ESE of Tres Pinos, California · 15565 days ago · 5 km deep · 90 km away
  20. 2.014 km E of Seven Trees, California · 15566 days ago · 4 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc7221. Read Tue, Sep 22, 2026, 8:55 PM UTC.