California earthquakes

M1.8 earthquake Central California

A magnitude 1.8 earthquake struck in Central California on Sat, Dec 23, 1989, 3:54 PM PST (23:54 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.3 36 km WSW of Three Rocks, California. This one was a foreshock.

Soledad 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-12-23 23:54:44 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
36.520° N, 121.100° 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, 0.4 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
76°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 197 in the 30 days before it.

After

  1. 1.831 km ESE of Tres Pinos, California · 13433 days ago · 4 km deep · 18 km away
  2. 2.632 km ESE of Tres Pinos, California · 13432 days ago · 5 km deep · 18 km away
  3. 1.98 km SW of Tres Pinos, California · 13432 days ago · 2 km deep · 35 km away
  4. 1.97 km N of Day Valley, California · 13432 days ago · 4 km deep · 93 km away
  5. 1.937 km SSW of South Dos Palos, California · 13432 days ago · 6 km deep · 27 km away
  6. 1.625 km SE of Tres Pinos, California · 13432 days ago · 5 km deep · 12 km away
  7. 1.53 km N of Interlaken, California · 13431 days ago · 15 km deep · 77 km away
  8. 1.525 km SE of Tres Pinos, California · 13431 days ago · 5 km deep · 12 km away
  9. 1.925 km ENE of Greenfield, California · 13431 days ago · 0 km deep · 13 km away
  10. 2.217 km SSE of Tres Pinos, California · 13431 days ago · 5 km deep · 19 km away
  11. 2.22 km SSW of San Juan Bautista, California · 13431 days ago · 5 km deep · 52 km away
  12. 2.517 km SSE of Tres Pinos, California · 13431 days ago · 5 km deep · 19 km away
  13. 1.624 km ENE of Greenfield, California · 13430 days ago · 5 km deep · 12 km away
  14. 1.55 km SW of Gilroy, California · 13430 days ago · 2 km deep · 68 km away
  15. 1.62 km WSW of San Juan Bautista, California · 13430 days ago · 4 km deep · 54 km away
  16. 1.925 km ENE of Greenfield, California · 13430 days ago · 2 km deep · 13 km away
  17. 2.14 km NE of Soquel, California · 13430 days ago · 3 km deep · 92 km away
  18. 1.64 km E of Interlaken, California · 13429 days ago · 9 km deep · 71 km away
  19. 1.620 km SSW of Three Rocks, California · 13429 days ago · 13 km deep · 61 km away
  20. 2.015 km SSE of Tres Pinos, California · 13429 days ago · 5 km deep · 21 km away
  21. 1.821 km NE of Soledad, California · 13429 days ago · 4 km deep · 5 km away
  22. 1.715 km SSE of Tres Pinos, California · 13429 days ago · 5 km deep · 21 km away
  23. 1.818 km SSE of Tres Pinos, California · 13429 days ago · 7 km deep · 18 km away
  24. 1.911 km NNE of Morgan Hill, California · 13428 days ago · 5 km deep · 92 km away
  25. 1.522 km NE of Soledad, California · 13428 days ago · 4 km deep · 7 km away
  26. 1.62 km N of Soquel, California · 13428 days ago · 3 km deep · 94 km away
  27. 1.92 km N of Interlaken, California · 13428 days ago · 13 km deep · 76 km away
  28. 1.61 km NNW of Aromas, California · 13428 days ago · 9 km deep · 65 km away
  29. 1.83 km W of San Juan Bautista, California · 13428 days ago · 6 km deep · 56 km away
  30. 3.13 km N of Interlaken, California · 13427 days ago · 15 km deep · 77 km away
  31. 2.08 km ENE of San Martin, California · 13427 days ago · 7 km deep · 75 km away
  32. 2.04 km ESE of Interlaken, California · 13427 days ago · 10 km deep · 70 km away
  33. 1.714 km E of Seven Trees, California · 13426 days ago · 2 km deep · 100 km away
  34. 2.61 km SSW of San Juan Bautista, California · 13426 days ago · 2 km deep · 53 km away
  35. 1.86 km SSE of Gilroy, California · 13426 days ago · 6 km deep · 63 km away
  36. 2.23 km S of San Juan Bautista, California · 13426 days ago · 6 km deep · 51 km away
  37. 2.112 km S of Tres Pinos, California · 13426 days ago · 6 km deep · 25 km away
  38. 1.621 km NE of Soledad, California · 13426 days ago · 7 km deep · 5 km away
  39. 3.25 km SW of Gilroy, California · 13425 days ago · 4 km deep · 67 km away
  40. 2.17 km SSW of Gilroy, California · 13425 days ago · 8 km deep · 64 km away
  41. 3.05 km SW of Gilroy, California · 13425 days ago · 4 km deep · 67 km away
  42. 1.65 km SW of Gilroy, California · 13425 days ago · 2 km deep · 68 km away
  43. 2.94 km ESE of Interlaken, California · 13425 days ago · 12 km deep · 70 km away
  44. 1.65 km WNW of Volta, California · 13425 days ago · 0 km deep · 67 km away
  45. 1.93 km SSW of San Juan Bautista, California · 13425 days ago · 7 km deep · 52 km away
  46. 2.05 km SW of Gilroy, California · 13425 days ago · 2 km deep · 69 km away
  47. 1.54 km N of Interlaken, California · 13425 days ago · 11 km deep · 77 km away
  48. 2.43 km NNW of Hollister, California · 13425 days ago · 8 km deep · 49 km away
  49. 1.78 km N of Day Valley, California · 13424 days ago · 3 km deep · 95 km away
  50. 1.93 km ENE of Big Sur, California · 13424 days ago · 13 km deep · 66 km away
  51. 1.524 km NE of Greenfield, California · 13424 days ago · 5 km deep · 6 km away
  52. 2.71 km NNE of Corralitos, California · 13424 days ago · 15 km deep · 82 km away
  53. 2.25 km SSE of San Juan Bautista, California · 13424 days ago · 7 km deep · 49 km away
  54. 2.17 km NNE of Day Valley, California · 13424 days ago · 2 km deep · 90 km away
  55. 1.64 km ESE of Interlaken, California · 13424 days ago · 11 km deep · 70 km away
  56. 2.610 km S of Tres Pinos, California · 13424 days ago · 4 km deep · 28 km away
  57. 2.67 km ENE of Day Valley, California · 13423 days ago · 8 km deep · 87 km away
  58. 2.37 km ENE of Day Valley, California · 13423 days ago · 8 km deep · 87 km away
  59. 1.78 km N of Day Valley, California · 13423 days ago · 4 km deep · 94 km away
  60. 1.62 km SSW of Hollister, California · 13423 days ago · 7 km deep · 44 km away

The first 60 of 195.

Before

  1. 2.06 km WNW of Day Valley, California · 13433 days ago · 18 km deep · 95 km away
  2. 1.67 km SE of Lexington Hills, California · 13433 days ago · 6 km deep · 98 km away
  3. 4.26 km SW of Three Rocks, California · 13433 days ago · 9 km deep · 59 km away
  4. 1.98 km SSW of Tres Pinos, California · 13433 days ago · 3 km deep · 32 km away
  5. 1.66 km WNW of Day Valley, California · 13433 days ago · 18 km deep · 95 km away
  6. 2.76 km WNW of Day Valley, California · 13433 days ago · 18 km deep · 95 km away
  7. 2.313 km S of Tres Pinos, California · 13433 days ago · 3 km deep · 24 km away
  8. 2.710 km S of Tres Pinos, California · 13433 days ago · 5 km deep · 28 km away
  9. 1.624 km NE of Soledad, California · 13433 days ago · 10 km deep · 7 km away
  10. 1.62 km ENE of Corralitos, California · 13433 days ago · 15 km deep · 80 km away
  11. 1.622 km NE of Soledad, California · 13433 days ago · 4 km deep · 7 km away
  12. 2.622 km NE of Soledad, California · 13434 days ago · 4 km deep · 7 km away
  13. 2.110 km S of Tres Pinos, California · 13434 days ago · 4 km deep · 28 km away
  14. 1.97 km SE of Lexington Hills, California · 13434 days ago · 3 km deep · 98 km away
  15. 1.622 km NE of Soledad, California · 13435 days ago · 4 km deep · 7 km away
  16. 1.822 km NE of Soledad, California · 13435 days ago · 3 km deep · 7 km away
  17. 2.58 km ENE of San Martin, California · 13435 days ago · 7 km deep · 75 km away
  18. 3.08 km ENE of San Martin, California · 13435 days ago · 7 km deep · 76 km away
  19. 2.715 km SSE of Tres Pinos, California · 13435 days ago · 3 km deep · 22 km away
  20. 3.114 km SSE of Tres Pinos, California · 13435 days ago · 3 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc150025. Read Sat, Oct 3, 2026, 4:23 PM UTC.