California earthquakes

M1.8 earthquake 5 km N of Lompico, California

A magnitude 1.8 earthquake struck 5 km N of Lompico, California on Mon, Dec 4, 1989, 5:15 AM PST (13:15 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.9 11 km S of Tres Pinos, California. This one was a foreshock.

Lompico 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
1989-12-04 13:15:41 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
37.152° N, 122.041° 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, 0.6 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
74°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 193 in the 30 days before it.

After

  1. 2.411 km S of Tres Pinos, California · 13452 days ago · 5 km deep · 83 km away
  2. 1.51 km NE of Corralitos, California · 13452 days ago · 16 km deep · 28 km away
  3. 1.64 km E of Interlaken, California · 13452 days ago · 9 km deep · 39 km away
  4. 2.512 km S of Tres Pinos, California · 13451 days ago · 5 km deep · 84 km away
  5. 1.82 km NW of Lexington Hills, California · 13451 days ago · 9 km deep · 5 km away
  6. 2.11 km NW of Lexington Hills, California · 13451 days ago · 9 km deep · 5 km away
  7. 2.73 km NNW of Aromas, California · 13451 days ago · 10 km deep · 42 km away
  8. 1.63 km N of Aromas, California · 13451 days ago · 7 km deep · 44 km away
  9. 1.67 km NE of Interlaken, California · 13451 days ago · 3 km deep · 38 km away
  10. 1.52 km ENE of Corralitos, California · 13450 days ago · 14 km deep · 29 km away
  11. 1.8Central California · 13450 days ago · 1 km deep · 63 km away
  12. 1.76 km S of Lexington Hills, California · 13450 days ago · 14 km deep · 8 km away
  13. 2.12 km SW of Lexington Hills, California · 13449 days ago · 11 km deep · 5 km away
  14. 2.02 km S of San Juan Bautista, California · 13449 days ago · 4 km deep · 58 km away
  15. 1.85 km SSW of Lexington Hills, California · 13449 days ago · 16 km deep · 6 km away
  16. 1.61 km NE of Interlaken, California · 13448 days ago · 14 km deep · 35 km away
  17. 1.55 km ESE of Interlaken, California · 13448 days ago · 12 km deep · 40 km away
  18. 1.68 km WSW of Saratoga, California · 13448 days ago · 20 km deep · 9 km away
  19. 1.58 km WSW of Davenport, California · 13448 days ago · 5 km deep · 28 km away
  20. 1.52 km S of Lexington Hills, California · 13448 days ago · 9 km deep · 6 km away
  21. 1.52 km N of Corralitos, California · 13448 days ago · 16 km deep · 26 km away
  22. 1.811 km S of Tres Pinos, California · 13448 days ago · 5 km deep · 82 km away
  23. 1.74 km ENE of Interlaken, California · 13447 days ago · 5 km deep · 38 km away
  24. 2.26 km S of Loyola, California · 13447 days ago · 5 km deep · 16 km away
  25. 1.63 km S of Lexington Hills, California · 13447 days ago · 14 km deep · 6 km away
  26. 2.121 km NE of Soledad, California · 13447 days ago · 7 km deep · 99 km away
  27. 2.39 km NE of Gilroy, California · 13447 days ago · 8 km deep · 50 km away
  28. 1.617 km SSE of Tres Pinos, California · 13447 days ago · 6 km deep · 89 km away
  29. 2.04 km S of Lexington Hills, California · 13447 days ago · 13 km deep · 8 km away
  30. 2.2Northern California · 13446 days ago · 13 km deep · 7 km away
  31. 2.67 km NE of Interlaken, California · 13446 days ago · 3 km deep · 37 km away
  32. 1.73 km SE of Day Valley, California · 13446 days ago · 16 km deep · 24 km away
  33. 1.69 km SE of Lexington Hills, California · 13446 days ago · 4 km deep · 14 km away
  34. 1.83 km NNW of Corralitos, California · 13446 days ago · 15 km deep · 24 km away
  35. 2.27 km ENE of Interlaken, California · 13445 days ago · 3 km deep · 40 km away
  36. 2.58 km SSE of Gilroy, California · 13445 days ago · 6 km deep · 51 km away
  37. 1.67 km SSE of Gilroy, California · 13445 days ago · 4 km deep · 50 km away
  38. 1.71 km NE of Interlaken, California · 13445 days ago · 13 km deep · 35 km away
  39. 1.64 km W of Ridgemark, California · 13445 days ago · 11 km deep · 67 km away
  40. 2.44 km WSW of Ridgemark, California · 13445 days ago · 10 km deep · 68 km away
  41. 3.62 km SSW of Lexington Hills, California · 13444 days ago · 13 km deep · 6 km away
  42. 1.611 km S of Tres Pinos, California · 13444 days ago · 4 km deep · 83 km away
  43. 1.50 km E of Millbrae, California · 13444 days ago · 12 km deep · 58 km away
  44. 1.98 km NE of Blackhawk, California · 13444 days ago · 13 km deep · 81 km away
  45. 2.110 km S of Tres Pinos, California · 13444 days ago · 4 km deep · 82 km away
  46. 1.79 km ESE of Lexington Hills, California · 13444 days ago · 4 km deep · 14 km away
  47. 1.64 km E of Interlaken, California · 13444 days ago · 10 km deep · 39 km away
  48. 1.616 km SSE of Tres Pinos, California · 13444 days ago · 5 km deep · 89 km away
  49. 1.52 km NNW of Aromas, California · 13443 days ago · 10 km deep · 44 km away
  50. 2.413 km N of Morgan Hill, California · 13443 days ago · 3 km deep · 37 km away
  51. 1.715 km E of Seven Trees, California · 13443 days ago · 3 km deep · 36 km away
  52. 1.82 km NNW of Aromas, California · 13443 days ago · 9 km deep · 44 km away
  53. 2.02 km NW of Saratoga, California · 13443 days ago · 5 km deep · 14 km away
  54. 1.612 km NE of East Foothills, California · 13443 days ago · 6 km deep · 45 km away
  55. 1.711 km S of Tres Pinos, California · 13443 days ago · 5 km deep · 83 km away
  56. 1.64 km E of Interlaken, California · 13443 days ago · 10 km deep · 39 km away
  57. 2.35 km WNW of San Juan Bautista, California · 13443 days ago · 7 km deep · 51 km away
  58. 2.18 km ENE of Morgan Hill, California · 13442 days ago · 4 km deep · 42 km away
  59. 1.65 km NE of Corralitos, California · 13442 days ago · 3 km deep · 28 km away
  60. 1.67 km ENE of Day Valley, California · 13442 days ago · 8 km deep · 24 km away

The first 60 of 187.

Before

  1. 1.54 km SSW of Lexington Hills, California · 13452 days ago · 14 km deep · 5 km away
  2. 1.61 km NE of Los Gatos, California · 13452 days ago · 2 km deep · 12 km away
  3. 1.51 km NE of Saratoga, California · 13452 days ago · 4 km deep · 13 km away
  4. 1.911 km S of Tres Pinos, California · 13453 days ago · 5 km deep · 83 km away
  5. 1.66 km ENE of Corralitos, California · 13453 days ago · 9 km deep · 31 km away
  6. 1.72 km W of San Juan Bautista, California · 13453 days ago · 5 km deep · 54 km away
  7. 1.74 km ESE of Interlaken, California · 13453 days ago · 10 km deep · 40 km away
  8. 1.96 km NE of Ridgemark, California · 13453 days ago · 5 km deep · 73 km away
  9. 1.6Central California · 13454 days ago · 3 km deep · 86 km away
  10. 3.92 km S of Saratoga, California · 13454 days ago · 10 km deep · 10 km away
  11. 1.811 km S of Tres Pinos, California · 13454 days ago · 4 km deep · 82 km away
  12. 2.216 km SSE of Tres Pinos, California · 13454 days ago · 6 km deep · 88 km away
  13. 2.816 km SSE of Tres Pinos, California · 13454 days ago · 5 km deep · 89 km away
  14. 1.86 km E of Zayante, California · 13454 days ago · 17 km deep · 8 km away
  15. 1.84 km S of Lexington Hills, California · 13454 days ago · 13 km deep · 7 km away
  16. 1.811 km S of Tres Pinos, California · 13454 days ago · 4 km deep · 82 km away
  17. 1.711 km S of Tres Pinos, California · 13454 days ago · 6 km deep · 83 km away
  18. 1.74 km NNE of San Juan Bautista, California · 13455 days ago · 6 km deep · 55 km away
  19. 2.310 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 82 km away
  20. 1.510 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc148495. Read Sat, Oct 3, 2026, 1:32 PM UTC.