California earthquakes

M1.6 earthquake 5 km W of Volta, California

A magnitude 1.6 earthquake struck 5 km W of Volta, California on Mon, Aug 6, 1990, 3:55 PM PDT (22:55 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.4 14 km S of Tres Pinos, 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
1990-08-06 22:55:13 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
37.099° N, 120.989° 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 0.5 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
121°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.71 km E of Aromas, California · 13206 days ago · 8 km deep · 61 km away
  2. 2.411 km S of Tres Pinos, California · 13206 days ago · 5 km deep · 54 km away
  3. 3.66 km NE of Ridgemark, California · 13206 days ago · 7 km deep · 40 km away
  4. 2.16 km NE of Ridgemark, California · 13206 days ago · 6 km deep · 40 km away
  5. 2.114 km E of Seven Trees, California · 13204 days ago · 2 km deep · 64 km away
  6. 1.723 km ENE of King City, California · 13204 days ago · 4 km deep · 86 km away
  7. 1.77 km N of Day Valley, California · 13204 days ago · 5 km deep · 77 km away
  8. 1.822 km ENE of Soledad, California · 13204 days ago · 8 km deep · 65 km away
  9. 2.65 km ESE of Aromas, California · 13204 days ago · 6 km deep · 60 km away
  10. 2.221 km NE of Soledad, California · 13204 days ago · 6 km deep · 60 km away
  11. 1.821 km NE of Soledad, California · 13203 days ago · 5 km deep · 60 km away
  12. 2.224 km NE of Greenfield, California · 13203 days ago · 6 km deep · 70 km away
  13. 2.12 km S of San Juan Bautista, California · 13202 days ago · 4 km deep · 57 km away
  14. 2.9Central California · 13202 days ago · 4 km deep · 58 km away
  15. 1.73 km S of San Juan Bautista, California · 13202 days ago · 4 km deep · 58 km away
  16. 2.330 km ESE of Tres Pinos, California · 13202 days ago · 4 km deep · 41 km away
  17. 2.94 km ESE of Interlaken, California · 13201 days ago · 12 km deep · 64 km away
  18. 3.14 km ESE of Interlaken, California · 13201 days ago · 12 km deep · 64 km away
  19. 2.24 km ESE of Interlaken, California · 13201 days ago · 11 km deep · 64 km away
  20. 1.87 km NE of Gilroy, California · 13199 days ago · 3 km deep · 46 km away
  21. 2.63 km ENE of Interlaken, California · 13199 days ago · 8 km deep · 65 km away
  22. 1.921 km W of Three Rocks, California · 13197 days ago · 9 km deep · 72 km away
  23. 1.922 km NE of Soledad, California · 13197 days ago · 8 km deep · 62 km away
  24. 3.715 km E of Seven Trees, California · 13197 days ago · 7 km deep · 64 km away
  25. 2.24 km NE of Tres Pinos, California · 13195 days ago · 8 km deep · 40 km away
  26. 1.630 km NE of Soledad, California · 13195 days ago · 8 km deep · 58 km away
  27. 1.511 km ESE of Alum Rock, California · 13194 days ago · 0 km deep · 69 km away
  28. 2.022 km NE of Soledad, California · 13194 days ago · 8 km deep · 63 km away
  29. 1.522 km NE of Soledad, California · 13194 days ago · 8 km deep · 63 km away
  30. 1.64 km ESE of Interlaken, California · 13194 days ago · 12 km deep · 64 km away
  31. 2.022 km NE of Soledad, California · 13194 days ago · 8 km deep · 62 km away
  32. 1.55 km WNW of San Juan Bautista, California · 13193 days ago · 6 km deep · 60 km away
  33. 3.11 km ESE of Aromas, California · 13193 days ago · 9 km deep · 62 km away
  34. 1.922 km NE of Soledad, California · 13193 days ago · 2 km deep · 63 km away
  35. 2.94 km SE of Aromas, California · 13193 days ago · 7 km deep · 60 km away
  36. 1.68 km NE of San Martin, California · 13192 days ago · 7 km deep · 48 km away
  37. 1.812 km SE of Tres Pinos, California · 13192 days ago · 2 km deep · 46 km away
  38. 1.722 km NE of Soledad, California · 13192 days ago · 8 km deep · 63 km away
  39. 2.7Central California · 13192 days ago · 8 km deep · 63 km away
  40. 2.38 km W of Volta, California · 13192 days ago · 1 km deep · 3 km away
  41. 2.02 km NNE of Corralitos, California · 13192 days ago · 14 km deep · 72 km away
  42. 2.66 km ENE of Corralitos, California · 13192 days ago · 7 km deep · 67 km away
  43. 2.45 km NE of Amesti, California · 13191 days ago · 8 km deep · 67 km away
  44. 1.54 km WSW of Ridgemark, California · 13191 days ago · 5 km deep · 50 km away
  45. 1.614 km ENE of East Foothills, California · 13191 days ago · 4 km deep · 70 km away
  46. 1.95 km WNW of San Juan Bautista, California · 13191 days ago · 7 km deep · 60 km away
  47. 1.57 km WSW of Monte Sereno, California · 13191 days ago · 12 km deep · 96 km away
  48. 3.67 km WSW of Monte Sereno, California · 13191 days ago · 13 km deep · 96 km away
  49. 1.96 km WSW of Monte Sereno, California · 13191 days ago · 12 km deep · 96 km away
  50. 1.66 km NE of East Foothills, California · 13191 days ago · 7 km deep · 77 km away
  51. 1.924 km ENE of Greenfield, California · 13191 days ago · 5 km deep · 74 km away
  52. 2.02 km N of Scotts Valley, California · 13191 days ago · 11 km deep · 91 km away
  53. 1.917 km SSE of Tres Pinos, California · 13189 days ago · 5 km deep · 56 km away
  54. 1.731 km SSW of Los Banos, California · 13189 days ago · 1 km deep · 35 km away
  55. 1.9Northern California · 13189 days ago · 6 km deep · 91 km away
  56. 1.74 km E of Interlaken, California · 13188 days ago · 9 km deep · 64 km away
  57. 3.33 km NW of Day Valley, California · 13188 days ago · 6 km deep · 79 km away
  58. 3.512 km S of Tres Pinos, CA · 13188 days ago · 5 km deep · 54 km away
  59. 3.012 km S of Tres Pinos, California · 13188 days ago · 5 km deep · 54 km away
  60. 2.59 km S of Tres Pinos, California · 13188 days ago · 3 km deep · 54 km away

The first 60 of 189.

Before

  1. 1.61 km ESE of Aromas, California · 13207 days ago · 8 km deep · 61 km away
  2. 1.52 km NNW of Aromas, California · 13207 days ago · 8 km deep · 62 km away
  3. 1.91 km ESE of Aromas, California · 13208 days ago · 8 km deep · 61 km away
  4. 1.932 km WSW of Three Rocks, California · 13208 days ago · 13 km deep · 80 km away
  5. 1.74 km ESE of Aromas, California · 13208 days ago · 7 km deep · 60 km away
  6. 2.52 km N of Aromas, California · 13208 days ago · 5 km deep · 62 km away
  7. 2.44 km SE of Aromas, California · 13208 days ago · 7 km deep · 60 km away
  8. 1.53 km ESE of Aromas, California · 13208 days ago · 7 km deep · 60 km away
  9. 1.73 km ESE of Aromas, California · 13208 days ago · 7 km deep · 61 km away
  10. 1.81 km ESE of Aromas, California · 13208 days ago · 8 km deep · 61 km away
  11. 1.84 km SE of Aromas, California · 13208 days ago · 8 km deep · 61 km away
  12. 4.02 km ESE of Aromas, California · 13208 days ago · 9 km deep · 61 km away
  13. 2.27 km NE of Interlaken, California · 13210 days ago · 4 km deep · 61 km away
  14. 2.04 km ESE of Aromas, California · 13211 days ago · 5 km deep · 60 km away
  15. 2.016 km E of Seven Trees, California · 13211 days ago · 8 km deep · 62 km away
  16. 1.92 km WNW of Tres Pinos, California · 13211 days ago · 10 km deep · 46 km away
  17. 2.18 km SSE of San Juan Bautista, California · 13211 days ago · 8 km deep · 57 km away
  18. 1.623 km NE of King City, California · 13211 days ago · 8 km deep · 81 km away
  19. 2.918 km SSE of Tres Pinos, California · 13211 days ago · 10 km deep · 57 km away
  20. 1.75 km SW of Gilroy, California · 13211 days ago · 3 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc162230. Read Sat, Oct 3, 2026, 6:15 PM UTC.