California earthquakes

M1.8 earthquake Central California

A magnitude 1.8 earthquake struck in Central California on Tue, Oct 24, 1989, 10:21 AM PDT (17:21 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.7 6 km NE of Day Valley, 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
1989-10-24 17:21:27 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
36.867° N, 121.443° 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, 1.1 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
47°
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: 199 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 1.56 km NNE of Corralitos, California · 13492 days ago · 7 km deep · 36 km away
  2. 1.84 km E of Interlaken, California · 13492 days ago · 9 km deep · 24 km away
  3. 2.14 km ESE of Interlaken, California · 13492 days ago · 12 km deep · 23 km away
  4. 1.92 km SSW of Lexington Hills, California · 13492 days ago · 13 km deep · 57 km away
  5. 1.60 km SSW of Lexington Hills, California · 13492 days ago · 21 km deep · 57 km away
  6. 2.74 km E of Interlaken, California · 13492 days ago · 6 km deep · 24 km away
  7. 2.54 km NNW of Aromas, California · 13492 days ago · 7 km deep · 21 km away
  8. 1.9Central California · 13492 days ago · 4 km deep · 35 km away
  9. 2.42 km S of San Juan Bautista, California · 13492 days ago · 4 km deep · 10 km away
  10. 1.6Northern California · 13492 days ago · 12 km deep · 58 km away
  11. 2.016 km SSE of Pescadero, California · 13492 days ago · 8 km deep · 84 km away
  12. 1.63 km NE of Amesti, California · 13492 days ago · 14 km deep · 30 km away
  13. 2.63 km NE of Lexington Hills, California · 13492 days ago · 5 km deep · 57 km away
  14. 1.84 km NNW of Aromas, California · 13492 days ago · 8 km deep · 20 km away
  15. 2.42 km NE of Lexington Hills, California · 13492 days ago · 5 km deep · 57 km away
  16. 1.85 km N of Lompico, California · 13492 days ago · 14 km deep · 64 km away
  17. 1.74 km ESE of Interlaken, California · 13492 days ago · 12 km deep · 23 km away
  18. 4.77 km NE of Day Valley, California · 13492 days ago · 9 km deep · 41 km away
  19. 1.81 km SW of Fruitdale, California · 13492 days ago · 25 km deep · 66 km away
  20. 1.93 km SW of La Selva Beach, California · 13492 days ago · 3 km deep · 41 km away
  21. 2.26 km NE of Day Valley, California · 13492 days ago · 9 km deep · 41 km away
  22. 2.46 km NE of Day Valley, California · 13492 days ago · 10 km deep · 41 km away
  23. 2.010 km SE of Loma Mar, California · 13492 days ago · 18 km deep · 79 km away
  24. 1.97 km NNE of Day Valley, California · 13492 days ago · 8 km deep · 42 km away
  25. 1.54 km N of Lompico, California · 13492 days ago · 13 km deep · 63 km away
  26. 1.85 km WNW of Lexington Hills, California · 13492 days ago · 12 km deep · 62 km away
  27. 2.56 km NE of Day Valley, California · 13492 days ago · 9 km deep · 41 km away
  28. 2.46 km SSE of Lexington Hills, California · 13492 days ago · 11 km deep · 52 km away
  29. 1.50 km N of Aptos Hills-Larkin Valley, California · 13492 days ago · 6 km deep · 36 km away
  30. 1.67 km NNE of Day Valley, California · 13492 days ago · 8 km deep · 42 km away
  31. 1.76 km NE of Day Valley, California · 13492 days ago · 8 km deep · 41 km away
  32. 3.06 km NNE of Day Valley, California · 13492 days ago · 10 km deep · 42 km away
  33. 2.07 km ENE of Day Valley, California · 13492 days ago · 7 km deep · 38 km away
  34. 1.68 km N of Day Valley, California · 13492 days ago · 3 km deep · 46 km away
  35. 2.06 km NE of Day Valley, California · 13491 days ago · 9 km deep · 40 km away
  36. 2.44 km E of Interlaken, California · 13491 days ago · 6 km deep · 24 km away
  37. 2.06 km NE of Day Valley, California · 13491 days ago · 9 km deep · 41 km away
  38. 1.64 km E of Interlaken, California · 13491 days ago · 10 km deep · 23 km away
  39. 1.97 km ENE of Interlaken, California · 13491 days ago · 3 km deep · 24 km away
  40. 1.71 km NE of Interlaken, California · 13491 days ago · 14 km deep · 27 km away
  41. 1.86 km NE of Day Valley, California · 13491 days ago · 9 km deep · 40 km away
  42. 1.51 km W of Lexington Hills, California · 13491 days ago · 9 km deep · 59 km away
  43. 1.65 km ENE of Day Valley, California · 13491 days ago · 2 km deep · 39 km away
  44. 1.77 km ENE of Interlaken, California · 13491 days ago · 4 km deep · 22 km away
  45. 1.65 km E of Day Valley, California · 13491 days ago · 4 km deep · 38 km away
  46. 1.76 km NNE of Day Valley, California · 13491 days ago · 5 km deep · 44 km away
  47. 2.17 km NNE of Day Valley, California · 13491 days ago · 3 km deep · 42 km away
  48. 1.85 km ENE of Corralitos, California · 13491 days ago · 9 km deep · 32 km away
  49. 2.34 km NE of Amesti, California · 13491 days ago · 12 km deep · 31 km away
  50. 4.01 km NNE of Aromas, California · 13491 days ago · 6 km deep · 17 km away
  51. 1.533 km ESE of Tres Pinos, California · 13491 days ago · 0 km deep · 47 km away
  52. 2.72 km NNE of Aromas, California · 13491 days ago · 5 km deep · 18 km away
  53. 1.96 km NE of Day Valley, California · 13491 days ago · 8 km deep · 40 km away
  54. 1.52 km SSE of Los Gatos, California · 13491 days ago · 2 km deep · 59 km away
  55. 1.62 km SW of Lexington Hills, California · 13491 days ago · 13 km deep · 58 km away
  56. 1.87 km SSE of Lexington Hills, California · 13491 days ago · 15 km deep · 53 km away
  57. 1.93 km SSW of La Selva Beach, California · 13491 days ago · 4 km deep · 39 km away
  58. 2.83 km SSW of La Selva Beach, California · 13491 days ago · 5 km deep · 39 km away
  59. 1.54 km SW of La Selva Beach, California · 13491 days ago · 0 km deep · 40 km away
  60. 2.01 km WNW of Lexington Hills, California · 13491 days ago · 8 km deep · 59 km away

The first 60 of 199.

Before

  1. 1.54 km ESE of Interlaken, California · 13492 days ago · 10 km deep · 23 km away
  2. 1.97 km N of Day Valley, California · 13492 days ago · 5 km deep · 45 km away
  3. 1.93 km NE of Day Valley, California · 13492 days ago · 3 km deep · 41 km away
  4. 1.63 km NNW of Day Valley, California · 13492 days ago · 13 km deep · 45 km away
  5. 2.36 km NW of Day Valley, California · 13492 days ago · 13 km deep · 48 km away
  6. 1.65 km ENE of Zayante, California · 13492 days ago · 19 km deep · 56 km away
  7. 2.14 km E of Day Valley, California · 13492 days ago · 4 km deep · 38 km away
  8. 2.14 km N of Interlaken, California · 13492 days ago · 12 km deep · 29 km away
  9. 2.14 km NNW of Aromas, California · 13492 days ago · 11 km deep · 21 km away
  10. 2.57 km SW of Gilroy, California · 13492 days ago · 4 km deep · 20 km away
  11. 2.49 km N of Day Valley, California · 13492 days ago · 2 km deep · 45 km away
  12. 1.72 km NNE of Lexington Hills, California · 13492 days ago · 5 km deep · 58 km away
  13. 1.8Northern California · 13492 days ago · 8 km deep · 59 km away
  14. 1.52 km NNE of Soquel, California · 13492 days ago · 3 km deep · 47 km away
  15. 2.63 km NE of Lexington Hills, California · 13492 days ago · 6 km deep · 57 km away
  16. 1.88 km N of Day Valley, California · 13492 days ago · 3 km deep · 46 km away
  17. 1.65 km E of Interlaken, California · 13492 days ago · 7 km deep · 22 km away
  18. 3.03 km NE of Lexington Hills, California · 13492 days ago · 6 km deep · 57 km away
  19. 1.72 km E of Corralitos, California · 13492 days ago · 15 km deep · 33 km away
  20. 3.25 km ENE of Day Valley, California · 13493 days ago · 4 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc145720. Read Fri, Oct 2, 2026, 6:08 PM UTC.