California earthquakes

M1.6 earthquake Central California

A magnitude 1.6 earthquake struck in Central California on Sat, Dec 2, 1989, 1:37 PM PST (21:37 UTC), 3 km (2 mi) below the surface.

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

Ridgemark 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-12-02 21:37:05 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
36.668° N, 121.292° 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, 0.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
71°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 199 in the 30 days before it.

After

  1. 2.233 km SW of South Dos Palos, California · 13454 days ago · 3 km deep · 34 km away
  2. 1.96 km NE of Ridgemark, California · 13454 days ago · 5 km deep · 21 km away
  3. 1.74 km ESE of Interlaken, California · 13454 days ago · 10 km deep · 46 km away
  4. 1.72 km W of San Juan Bautista, California · 13453 days ago · 5 km deep · 32 km away
  5. 1.66 km ENE of Corralitos, California · 13453 days ago · 9 km deep · 56 km away
  6. 1.911 km S of Tres Pinos, California · 13453 days ago · 5 km deep · 3 km away
  7. 1.51 km NE of Saratoga, California · 13453 days ago · 4 km deep · 93 km away
  8. 1.61 km NE of Los Gatos, California · 13452 days ago · 2 km deep · 87 km away
  9. 1.54 km SSW of Lexington Hills, California · 13452 days ago · 14 km deep · 81 km away
  10. 1.85 km N of Lompico, California · 13452 days ago · 15 km deep · 86 km away
  11. 1.530 km NE of Soledad, California · 13452 days ago · 7 km deep · 24 km away
  12. 2.411 km S of Tres Pinos, California · 13452 days ago · 5 km deep · 3 km away
  13. 1.51 km NE of Corralitos, California · 13452 days ago · 16 km deep · 58 km away
  14. 1.625 km NE of Greenfield, California · 13452 days ago · 7 km deep · 33 km away
  15. 1.64 km E of Interlaken, California · 13452 days ago · 9 km deep · 47 km away
  16. 2.512 km S of Tres Pinos, California · 13452 days ago · 5 km deep · 1 km away
  17. 1.82 km NW of Lexington Hills, California · 13452 days ago · 9 km deep · 85 km away
  18. 1.625 km ENE of Greenfield, California · 13451 days ago · 0 km deep · 36 km away
  19. 2.11 km NW of Lexington Hills, California · 13451 days ago · 9 km deep · 84 km away
  20. 1.623 km NE of Soledad, California · 13451 days ago · 9 km deep · 20 km away
  21. 2.73 km NNW of Aromas, California · 13451 days ago · 10 km deep · 43 km away
  22. 1.63 km N of Aromas, California · 13451 days ago · 7 km deep · 42 km away
  23. 1.67 km NE of Interlaken, California · 13451 days ago · 3 km deep · 49 km away
  24. 1.52 km ENE of Corralitos, California · 13450 days ago · 14 km deep · 57 km away
  25. 1.8Central California · 13450 days ago · 1 km deep · 22 km away
  26. 1.924 km NE of Greenfield, California · 13450 days ago · 5 km deep · 33 km away
  27. 1.76 km S of Lexington Hills, California · 13450 days ago · 14 km deep · 77 km away
  28. 1.820 km N of Coalinga, California · 13450 days ago · 11 km deep · 92 km away
  29. 2.12 km SW of Lexington Hills, California · 13450 days ago · 11 km deep · 82 km away
  30. 2.523 km ENE of San Ardo, California · 13450 days ago · 5 km deep · 81 km away
  31. 2.02 km S of San Juan Bautista, California · 13449 days ago · 4 km deep · 27 km away
  32. 2.519 km S of Three Rocks, California · 13449 days ago · 11 km deep · 91 km away
  33. 2.120 km S of Cantua Creek, California · 13449 days ago · 12 km deep · 92 km away
  34. 1.85 km SSW of Lexington Hills, California · 13449 days ago · 16 km deep · 79 km away
  35. 2.124 km NE of Greenfield, California · 13449 days ago · 7 km deep · 30 km away
  36. 1.61 km NE of Interlaken, California · 13449 days ago · 14 km deep · 50 km away
  37. 1.55 km ESE of Interlaken, California · 13449 days ago · 12 km deep · 46 km away
  38. 1.68 km WSW of Saratoga, California · 13448 days ago · 20 km deep · 95 km away
  39. 1.58 km WSW of Davenport, California · 13448 days ago · 5 km deep · 94 km away
  40. 1.52 km S of Lexington Hills, California · 13448 days ago · 9 km deep · 80 km away
  41. 1.52 km N of Corralitos, California · 13448 days ago · 16 km deep · 59 km away
  42. 1.811 km S of Tres Pinos, California · 13448 days ago · 5 km deep · 4 km away
  43. 1.74 km ENE of Interlaken, California · 13448 days ago · 5 km deep · 48 km away
  44. 2.26 km S of Loyola, California · 13448 days ago · 5 km deep · 100 km away
  45. 1.63 km S of Lexington Hills, California · 13447 days ago · 14 km deep · 80 km away
  46. 2.121 km NE of Soledad, California · 13447 days ago · 7 km deep · 14 km away
  47. 2.39 km NE of Gilroy, California · 13447 days ago · 8 km deep · 47 km away
  48. 1.617 km SSE of Tres Pinos, California · 13447 days ago · 6 km deep · 4 km away
  49. 2.04 km S of Lexington Hills, California · 13447 days ago · 13 km deep · 78 km away
  50. 2.2Northern California · 13447 days ago · 13 km deep · 79 km away
  51. 2.67 km NE of Interlaken, California · 13447 days ago · 3 km deep · 49 km away
  52. 1.73 km SE of Day Valley, California · 13446 days ago · 16 km deep · 62 km away
  53. 1.69 km SE of Lexington Hills, California · 13446 days ago · 4 km deep · 73 km away
  54. 1.825 km ESE of Tres Pinos, California · 13446 days ago · 12 km deep · 19 km away
  55. 1.83 km NNW of Corralitos, California · 13446 days ago · 15 km deep · 61 km away
  56. 2.322 km ENE of Soledad, California · 13446 days ago · 10 km deep · 24 km away
  57. 2.27 km ENE of Interlaken, California · 13445 days ago · 3 km deep · 47 km away
  58. 1.821 km NE of Soledad, California · 13445 days ago · 6 km deep · 17 km away
  59. 2.58 km SSE of Gilroy, California · 13445 days ago · 6 km deep · 37 km away
  60. 1.67 km SSE of Gilroy, California · 13445 days ago · 4 km deep · 38 km away

The first 60 of 198.

Before

  1. 3.92 km S of Saratoga, California · 13454 days ago · 10 km deep · 91 km away
  2. 1.811 km S of Tres Pinos, California · 13454 days ago · 4 km deep · 4 km away
  3. 2.216 km SSE of Tres Pinos, California · 13454 days ago · 6 km deep · 3 km away
  4. 2.816 km SSE of Tres Pinos, California · 13454 days ago · 5 km deep · 3 km away
  5. 1.86 km E of Zayante, California · 13454 days ago · 17 km deep · 77 km away
  6. 1.84 km S of Lexington Hills, California · 13454 days ago · 13 km deep · 79 km away
  7. 1.811 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 4 km away
  8. 1.711 km S of Tres Pinos, California · 13455 days ago · 6 km deep · 3 km away
  9. 1.74 km NNE of San Juan Bautista, California · 13455 days ago · 6 km deep · 31 km away
  10. 1.821 km NE of Soledad, California · 13455 days ago · 7 km deep · 18 km away
  11. 1.825 km SE of Big Sur, California · 13455 days ago · 8 km deep · 69 km away
  12. 2.310 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 4 km away
  13. 1.510 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 4 km away
  14. 1.811 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 4 km away
  15. 2.710 km S of Tres Pinos, California · 13455 days ago · 4 km deep · 4 km away
  16. 1.710 km S of Tres Pinos, California · 13455 days ago · 5 km deep · 4 km away
  17. 2.5Central California · 13455 days ago · 4 km deep · 4 km away
  18. 2.9Central California · 13455 days ago · 5 km deep · 4 km away
  19. 1.5Central California · 13455 days ago · 5 km deep · 5 km away
  20. 2.310 km S of Tres Pinos, California · 13455 days ago · 5 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc148407. Read Sat, Oct 3, 2026, 8:54 PM UTC.