California earthquakes

M1.8 earthquake 5 km WNW of Volta, California

A magnitude 1.8 earthquake struck 5 km WNW of Volta, California on Wed, Apr 11, 1990, 10:28 AM PDT (17:28 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M5.4 5 km NNW of Aromas, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-04-11 17:28:24 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
37.109° N, 120.983° 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, 1.0 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
107°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 2.014 km SSE of Tres Pinos, California · 13324 days ago · 4 km deep · 56 km away
  2. 2.812 km N of Morgan Hill, California · 13324 days ago · 5 km deep · 59 km away
  3. 3.04 km ESE of Interlaken, California · 13324 days ago · 12 km deep · 65 km away
  4. 2.34 km ESE of Interlaken, California · 13324 days ago · 12 km deep · 65 km away
  5. 1.95 km ESE of Interlaken, CA · 13324 days ago · 12 km deep · 65 km away
  6. 2.522 km ENE of Soledad, California · 13324 days ago · 5 km deep · 67 km away
  7. 2.69 km ESE of East Foothills, California · 13324 days ago · 7 km deep · 70 km away
  8. 1.615 km E of Seven Trees, California · 13323 days ago · 2 km deep · 64 km away
  9. 1.83 km SW of Hollister, California · 13322 days ago · 7 km deep · 50 km away
  10. 1.52 km SW of San Juan Bautista, California · 13322 days ago · 6 km deep · 60 km away
  11. 1.73 km N of Interlaken, California · 13322 days ago · 12 km deep · 68 km away
  12. 2.15 km ESE of Interlaken, California · 13322 days ago · 13 km deep · 65 km away
  13. 1.78 km ENE of Morgan Hill, California · 13321 days ago · 2 km deep · 51 km away
  14. 1.67 km S of Tres Pinos, California · 13321 days ago · 9 km deep · 52 km away
  15. 1.88 km ENE of San Martin, California · 13321 days ago · 7 km deep · 48 km away
  16. 2.124 km ENE of Greenfield, California · 13321 days ago · 5 km deep · 78 km away
  17. 2.11 km NNW of Lexington Hills, California · 13320 days ago · 7 km deep · 89 km away
  18. 1.77 km NE of Hollister, California · 13320 days ago · 7 km deep · 40 km away
  19. 1.624 km NE of Soledad, California · 13320 days ago · 10 km deep · 59 km away
  20. 1.624 km NE of Soledad, California · 13320 days ago · 10 km deep · 59 km away
  21. 1.918 km NE of East Foothills, California · 13320 days ago · 7 km deep · 76 km away
  22. 2.512 km S of Tres Pinos, California · 13320 days ago · 4 km deep · 56 km away
  23. 3.112 km S of Tres Pinos, California · 13319 days ago · 4 km deep · 56 km away
  24. 1.67 km NW of Day Valley, California · 13319 days ago · 11 km deep · 82 km away
  25. 1.54 km NNW of Day Valley, California · 13319 days ago · 14 km deep · 81 km away
  26. 2.57 km WSW of Gilroy, California · 13318 days ago · 4 km deep · 61 km away
  27. 2.17 km WSW of Gilroy, California · 13318 days ago · 4 km deep · 61 km away
  28. 1.88 km NE of San Martin, California · 13318 days ago · 7 km deep · 49 km away
  29. 4.33 km N of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  30. 4.74 km N of Aromas, California · 13318 days ago · 4 km deep · 62 km away
  31. 4.94 km NNW of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  32. 5.45 km NNW of Aromas, California · 13318 days ago · 5 km deep · 63 km away
  33. 1.75 km ENE of Interlaken, California · 13318 days ago · 5 km deep · 64 km away
  34. 2.84 km N of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  35. 2.35 km NNW of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  36. 2.14 km N of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  37. 2.14 km ENE of Interlaken, California · 13318 days ago · 6 km deep · 64 km away
  38. 2.32 km NNE of Aromas, California · 13318 days ago · 4 km deep · 61 km away
  39. 2.92 km NE of Aromas, California · 13318 days ago · 6 km deep · 61 km away
  40. 2.15 km NNW of Aromas, California · 13318 days ago · 6 km deep · 63 km away
  41. 2.05 km E of Interlaken, California · 13317 days ago · 6 km deep · 64 km away
  42. 2.92 km NNW of Aromas, California · 13317 days ago · 7 km deep · 63 km away
  43. 2.43 km N of Aromas, California · 13317 days ago · 7 km deep · 63 km away
  44. 4.03 km NNW of Aromas, California · 13317 days ago · 8 km deep · 63 km away
  45. 2.23 km N of Aromas, California · 13317 days ago · 7 km deep · 63 km away
  46. 2.03 km N of Aromas, California · 13317 days ago · 6 km deep · 62 km away
  47. 4.45 km E of Interlaken, California · 13317 days ago · 7 km deep · 64 km away
  48. 4.05 km E of Interlaken, California · 13317 days ago · 7 km deep · 64 km away
  49. 5.14 km E of Interlaken, California · 13317 days ago · 7 km deep · 65 km away
  50. 3.65 km E of Interlaken, California · 13317 days ago · 8 km deep · 64 km away
  51. 1.95 km E of Interlaken, California · 13317 days ago · 7 km deep · 64 km away
  52. 2.54 km E of Interlaken, California · 13317 days ago · 7 km deep · 64 km away
  53. 1.55 km NNW of Aromas, California · 13317 days ago · 7 km deep · 63 km away
  54. 2.03 km N of Aromas, California · 13317 days ago · 6 km deep · 63 km away
  55. 1.55 km E of Interlaken, California · 13317 days ago · 7 km deep · 64 km away
  56. 2.74 km NNW of Aromas, California · 13317 days ago · 8 km deep · 64 km away
  57. 1.94 km NNW of Aromas, California · 13317 days ago · 8 km deep · 64 km away
  58. 3.75 km ESE of Interlaken, California · 13317 days ago · 8 km deep · 64 km away
  59. 1.93 km NNW of Aromas, California · 13317 days ago · 8 km deep · 63 km away
  60. 1.64 km NNW of Aromas, California · 13317 days ago · 9 km deep · 64 km away

The first 60 of 192.

Before

  1. 1.83 km SW of Hollister, California · 13325 days ago · 6 km deep · 50 km away
  2. 2.12 km ESE of Aromas, California · 13325 days ago · 7 km deep · 62 km away
  3. 3.02 km ESE of Aromas, California · 13325 days ago · 7 km deep · 62 km away
  4. 2.32 km ESE of Aromas, California · 13326 days ago · 7 km deep · 62 km away
  5. 1.9Central California · 13326 days ago · 6 km deep · 65 km away
  6. 2.71 km ENE of Interlaken, CA · 13326 days ago · 13 km deep · 68 km away
  7. 1.84 km NW of Day Valley, California · 13326 days ago · 16 km deep · 82 km away
  8. 2.43 km ESE of Aromas, California · 13326 days ago · 7 km deep · 61 km away
  9. 2.23 km ESE of Aromas, California · 13326 days ago · 7 km deep · 61 km away
  10. 3.62 km ESE of Aromas, California · 13326 days ago · 7 km deep · 62 km away
  11. 2.52 km ESE of Aromas, California · 13326 days ago · 7 km deep · 62 km away
  12. 1.82 km ESE of Aromas, California · 13326 days ago · 6 km deep · 61 km away
  13. 2.05 km SW of Monte Sereno, California · 13326 days ago · 14 km deep · 95 km away
  14. 2.03 km SW of Hollister, California · 13326 days ago · 7 km deep · 50 km away
  15. 3.03 km N of Aromas, California · 13326 days ago · 6 km deep · 63 km away
  16. 2.313 km SSE of Tres Pinos, California · 13326 days ago · 2 km deep · 56 km away
  17. 2.35 km NNW of Aromas, California · 13327 days ago · 7 km deep · 64 km away
  18. 2.15 km NNW of Aromas, California · 13327 days ago · 7 km deep · 64 km away
  19. 1.95 km NNW of Aromas, California · 13327 days ago · 7 km deep · 64 km away
  20. 2.75 km NNW of Aromas, California · 13327 days ago · 7 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc155794. Read Sun, Oct 4, 2026, 1:52 AM UTC.