California earthquakes

M1.6 earthquake 11 km WSW of Volta, California

A magnitude 1.6 earthquake struck 11 km WSW of Volta, California on Mon, Feb 5, 1990, 12:48 PM PST (20:48 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 4 km E of Interlaken, California. This one was a foreshock.

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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
1990-02-05 20:48:31 UTC
Depth
6.2 km (3.8 mi), shallow
Epicenter
37.067° N, 121.053° 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 1.8 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
246°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 190 in the 30 days before it.

After

  1. 2.42 km S of Lexington Hills, California · 13389 days ago · 13 km deep · 82 km away
  2. 1.74 km ESE of Interlaken, California · 13389 days ago · 12 km deep · 58 km away
  3. 2.73 km ESE of Aromas, California · 13388 days ago · 7 km deep · 54 km away
  4. 1.97 km S of Tres Pinos, California · 13388 days ago · 9 km deep · 44 km away
  5. 1.88 km SW of Tres Pinos, California · 13388 days ago · 3 km deep · 47 km away
  6. 3.13 km ESE of Aromas, California · 13387 days ago · 7 km deep · 54 km away
  7. 4.14 km E of Interlaken, California · 13387 days ago · 7 km deep · 57 km away
  8. 2.29 km SSW of Ridgemark, California · 13387 days ago · 7 km deep · 49 km away
  9. 1.68 km SE of Lexington Hills, California · 13387 days ago · 4 km deep · 75 km away
  10. 1.94 km E of Interlaken, California · 13386 days ago · 6 km deep · 57 km away
  11. 1.55 km NW of Day Valley, California · 13386 days ago · 14 km deep · 76 km away
  12. 3.310 km S of Tres Pinos, California · 13386 days ago · 4 km deep · 48 km away
  13. 1.811 km S of Tres Pinos, California · 13386 days ago · 4 km deep · 48 km away
  14. 2.617 km SSE of Tres Pinos, California · 13386 days ago · 4 km deep · 50 km away
  15. 1.84 km W of Lexington Hills, California · 13386 days ago · 12 km deep · 86 km away
  16. 1.83 km NNE of Lexington Hills, California · 13385 days ago · 5 km deep · 81 km away
  17. 1.636 km WSW of Three Rocks, California · 13385 days ago · 12 km deep · 75 km away
  18. 2.20 km WSW of Campbell, California · 13384 days ago · 4 km deep · 84 km away
  19. 1.70 km SW of Campbell, California · 13384 days ago · 3 km deep · 84 km away
  20. 1.52 km SW of Carmel Valley Village, California · 13384 days ago · 16 km deep · 92 km away
  21. 1.66 km ENE of Aromas, California · 13384 days ago · 6 km deep · 50 km away
  22. 1.64 km SSE of San Juan Bautista, California · 13384 days ago · 5 km deep · 51 km away
  23. 1.72 km ESE of Tres Pinos, California · 13384 days ago · 9 km deep · 39 km away
  24. 1.54 km E of Interlaken, California · 13384 days ago · 9 km deep · 58 km away
  25. 2.01 km NE of Interlaken, California · 13383 days ago · 13 km deep · 60 km away
  26. 2.49 km SE of Catheys Valley, California · 13383 days ago · 21 km deep · 97 km away
  27. 1.95 km SSE of San Juan Bautista, California · 13383 days ago · 5 km deep · 51 km away
  28. 2.026 km NE of Soledad, California · 13383 days ago · 9 km deep · 56 km away
  29. 1.526 km NE of Soledad, California · 13383 days ago · 9 km deep · 56 km away
  30. 1.82 km NE of Saratoga, California · 13383 days ago · 5 km deep · 87 km away
  31. 1.614 km SW of Santa Cruz, California · 13383 days ago · 5 km deep · 100 km away
  32. 3.84 km ESE of Aromas, California · 13382 days ago · 7 km deep · 54 km away
  33. 1.94 km ESE of Aromas, California · 13382 days ago · 6 km deep · 54 km away
  34. 2.84 km ESE of Aromas, California · 13382 days ago · 7 km deep · 54 km away
  35. 2.213 km S of Tres Pinos, California · 13382 days ago · 5 km deep · 49 km away
  36. 1.913 km SSE of Tres Pinos, California · 13382 days ago · 5 km deep · 48 km away
  37. 2.64 km NNW of Day Valley, California · 13382 days ago · 12 km deep · 74 km away
  38. 1.911 km S of Tres Pinos, California · 13381 days ago · 4 km deep · 48 km away
  39. 1.84 km E of San Juan Bautista, California · 13381 days ago · 9 km deep · 46 km away
  40. 1.721 km E of Tres Pinos, California · 13381 days ago · 0 km deep · 35 km away
  41. 2.44 km NNW of Day Valley, California · 13381 days ago · 13 km deep · 74 km away
  42. 1.63 km ESE of Aromas, California · 13381 days ago · 5 km deep · 54 km away
  43. 1.712 km ESE of East Foothills, California · 13380 days ago · 5 km deep · 64 km away
  44. 2.52 km ESE of Aromas, California · 13380 days ago · 7 km deep · 54 km away
  45. 2.72 km ESE of Aromas, California · 13380 days ago · 7 km deep · 54 km away
  46. 2.02 km ESE of Aromas, California · 13380 days ago · 7 km deep · 54 km away
  47. 2.84 km ENE of Interlaken, California · 13380 days ago · 6 km deep · 57 km away
  48. 2.0Northern California · 13380 days ago · 10 km deep · 63 km away
  49. 1.75 km SSW of Ridgemark, California · 13379 days ago · 10 km deep · 45 km away
  50. 2.72 km ESE of Aromas, California · 13379 days ago · 7 km deep · 54 km away
  51. 1.59 km NNE of Morgan Hill, California · 13379 days ago · 3 km deep · 51 km away
  52. 1.94 km NE of Amesti, California · 13379 days ago · 12 km deep · 62 km away
  53. 1.722 km SE of Tres Pinos, California · 13379 days ago · 6 km deep · 50 km away
  54. 1.524 km NE of Greenfield, California · 13379 days ago · 5 km deep · 67 km away
  55. 1.72 km SW of Saratoga, California · 13378 days ago · 10 km deep · 90 km away
  56. 1.58 km ENE of Morgan Hill, California · 13378 days ago · 3 km deep · 47 km away
  57. 1.95 km NNW of Aromas, California · 13378 days ago · 10 km deep · 57 km away
  58. 2.51 km SSW of Monte Sereno, California · 13378 days ago · 3 km deep · 86 km away
  59. 3.32 km ESE of Aromas, California · 13378 days ago · 8 km deep · 54 km away
  60. 1.88 km N of Day Valley, California · 13378 days ago · 3 km deep · 73 km away

The first 60 of 174.

Before

  1. 1.54 km NW of Day Valley, California · 13389 days ago · 16 km deep · 75 km away
  2. 1.53 km NNE of Interlaken, California · 13389 days ago · 12 km deep · 60 km away
  3. 2.18 km ESE of East Foothills, California · 13389 days ago · 8 km deep · 67 km away
  4. 2.121 km NE of Soledad, California · 13389 days ago · 2 km deep · 56 km away
  5. 2.014 km N of Morgan Hill, California · 13390 days ago · 6 km deep · 57 km away
  6. 1.88 km SE of Livermore, California · 13390 days ago · 6 km deep · 85 km away
  7. 1.98 km SE of Livermore, California · 13390 days ago · 5 km deep · 85 km away
  8. 2.521 km NE of Soledad, California · 13390 days ago · 3 km deep · 57 km away
  9. 2.117 km SSE of Tres Pinos, California · 13390 days ago · 4 km deep · 51 km away
  10. 1.917 km SSE of Tres Pinos, California · 13390 days ago · 4 km deep · 51 km away
  11. 3.03 km ESE of Aromas, California · 13390 days ago · 7 km deep · 54 km away
  12. 2.13 km ESE of Aromas, California · 13390 days ago · 6 km deep · 54 km away
  13. 1.98 km SE of San Juan Bautista, California · 13391 days ago · 2 km deep · 50 km away
  14. 2.324 km ENE of Greenfield, California · 13391 days ago · 0 km deep · 72 km away
  15. 2.624 km ENE of Greenfield, California · 13391 days ago · 5 km deep · 71 km away
  16. 1.821 km NE of Soledad, California · 13391 days ago · 3 km deep · 56 km away
  17. 2.17 km S of Tres Pinos, California · 13391 days ago · 10 km deep · 45 km away
  18. 2.37 km NE of Interlaken, California · 13392 days ago · 3 km deep · 55 km away
  19. 2.14 km WNW of San Juan Bautista, California · 13392 days ago · 7 km deep · 53 km away
  20. 2.03 km NE of Interlaken, California · 13392 days ago · 7 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc151978. Read Sat, Oct 3, 2026, 1:02 PM UTC.