California earthquakes

M1.9 earthquake 3 km NNE of Corralitos, California

A magnitude 1.9 earthquake struck 3 km NNE of Corralitos, California on Wed, Oct 18, 1989, 1:44 AM PDT (08:44 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.7 4 km NW of Day Valley, California. This one was a foreshock.

Corralitos 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-10-18 08:44:27 UTC
Depth
13.1 km (8.1 mi), shallow
Epicenter
37.015° N, 121.790° 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
±0.16
Depth from
From location
Station coverage gap
48°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 2.08 km ESE of Lexington Hills, California · 13499 days ago · 4 km deep · 15 km away
  2. 1.64 km NE of Interlaken, California · 13499 days ago · 9 km deep · 9 km away
  3. 1.82 km E of Interlaken, California · 13499 days ago · 13 km deep · 10 km away
  4. 1.80 km SSE of Lexington Hills, California · 13499 days ago · 8 km deep · 22 km away
  5. 1.88 km SE of Lexington Hills, California · 13499 days ago · 6 km deep · 15 km away
  6. 1.84 km SW of Lexington Hills, California · 13499 days ago · 20 km deep · 24 km away
  7. 1.65 km ENE of Day Valley, California · 13499 days ago · 6 km deep · 4 km away
  8. 1.64 km E of Interlaken, California · 13499 days ago · 8 km deep · 12 km away
  9. 2.35 km SE of Lexington Hills, California · 13499 days ago · 4 km deep · 18 km away
  10. 2.43 km NE of Interlaken, California · 13499 days ago · 10 km deep · 8 km away
  11. 1.80 km SE of Lexington Hills, California · 13499 days ago · 8 km deep · 23 km away
  12. 1.65 km WNW of Lexington Hills, California · 13499 days ago · 10 km deep · 28 km away
  13. 2.68 km N of Day Valley, California · 13499 days ago · 4 km deep · 12 km away
  14. 2.12 km NW of Lexington Hills, California · 13499 days ago · 10 km deep · 26 km away
  15. 1.87 km S of Lexington Hills, California · 13499 days ago · 14 km deep · 18 km away
  16. 2.11 km N of Lexington Hills, California · 13499 days ago · 7 km deep · 24 km away
  17. 1.56 km NNE of Corralitos, California · 13499 days ago · 7 km deep · 3 km away
  18. 1.65 km NNE of Day Valley, California · 13499 days ago · 10 km deep · 8 km away
  19. 1.66 km NE of Day Valley, California · 13499 days ago · 9 km deep · 8 km away
  20. 1.82 km NW of Lexington Hills, California · 13499 days ago · 7 km deep · 26 km away
  21. 1.67 km N of Day Valley, California · 13499 days ago · 4 km deep · 11 km away
  22. 2.34 km NW of Day Valley, California · 13499 days ago · 16 km deep · 11 km away
  23. 2.22 km N of Interlaken, California · 13499 days ago · 13 km deep · 7 km away
  24. 2.51 km NNW of Lexington Hills, California · 13499 days ago · 8 km deep · 25 km away
  25. 1.52 km NNW of Lexington Hills, California · 13499 days ago · 8 km deep · 25 km away
  26. 1.64 km NNE of Interlaken, California · 13499 days ago · 9 km deep · 7 km away
  27. 1.88 km N of Day Valley, California · 13499 days ago · 3 km deep · 13 km away
  28. 1.72 km SSW of Lexington Hills, California · 13499 days ago · 13 km deep · 22 km away
  29. 3.41 km WNW of Lexington Hills, California · 13499 days ago · 8 km deep · 25 km away
  30. 1.91 km WNW of Lexington Hills, California · 13499 days ago · 7 km deep · 25 km away
  31. 1.87 km NW of Day Valley, California · 13499 days ago · 14 km deep · 14 km away
  32. 2.06 km ENE of Scotts Valley, California · 13499 days ago · 16 km deep · 16 km away
  33. 1.71 km NW of Lexington Hills, California · 13499 days ago · 6 km deep · 25 km away
  34. 2.67 km NE of Corralitos, California · 13499 days ago · 5 km deep · 5 km away
  35. 2.36 km NNE of Corralitos, California · 13499 days ago · 7 km deep · 4 km away
  36. 3.24 km ENE of Corralitos, California · 13499 days ago · 11 km deep · 3 km away
  37. 1.77 km NW of Day Valley, California · 13499 days ago · 14 km deep · 14 km away
  38. 1.57 km N of Day Valley, California · 13499 days ago · 4 km deep · 13 km away
  39. 3.08 km N of Day Valley, California · 13499 days ago · 3 km deep · 12 km away
  40. 2.33 km SE of Lexington Hills, California · 13499 days ago · 9 km deep · 20 km away
  41. 1.98 km NE of Day Valley, California · 13499 days ago · 0 km deep · 9 km away
  42. 1.67 km S of Lexington Hills, California · 13499 days ago · 17 km deep · 18 km away
  43. 2.14 km ESE of Lexington Hills, California · 13499 days ago · 4 km deep · 20 km away
  44. 2.03 km ENE of Interlaken, California · 13499 days ago · 12 km deep · 10 km away
  45. 2.02 km NNW of Interlaken, California · 13499 days ago · 15 km deep · 6 km away
  46. 1.76 km ENE of Corralitos, California · 13499 days ago · 9 km deep · 4 km away
  47. 1.97 km WNW of Lexington Hills, California · 13499 days ago · 14 km deep · 30 km away
  48. 1.88 km W of Gilroy, California · 13499 days ago · 1 km deep · 11 km away
  49. 1.67 km N of Day Valley, California · 13499 days ago · 4 km deep · 12 km away
  50. 1.6Northern California · 13499 days ago · 3 km deep · 12 km away
  51. 1.98 km NNE of Day Valley, California · 13499 days ago · 3 km deep · 11 km away
  52. 1.93 km W of Lexington Hills, California · 13499 days ago · 11 km deep · 26 km away
  53. 1.63 km SE of Day Valley, California · 13499 days ago · 0 km deep · 5 km away
  54. 1.87 km N of Day Valley, California · 13499 days ago · 2 km deep · 12 km away
  55. 4.4Northern California · 13499 days ago · 11 km deep · 2 km away
  56. 1.81 km SSW of Lexington Hills, California · 13499 days ago · 7 km deep · 23 km away
  57. 2.02 km NNE of Corralitos, California · 13499 days ago · 15 km deep · 1 km away
  58. 1.77 km N of Day Valley, California · 13499 days ago · 4 km deep · 11 km away
  59. 2.35 km ENE of Day Valley, California · 13499 days ago · 4 km deep · 5 km away
  60. 2.27 km NE of Interlaken, California · 13499 days ago · 3 km deep · 11 km away

The first 60 of at least 202.

Before

  1. 2.31 km NW of Lexington Hills, California · 13499 days ago · 10 km deep · 25 km away
  2. 3.04 km E of Day Valley, California · 13499 days ago · 10 km deep · 4 km away
  3. 1.70 km ESE of Lexington Hills, California · 13499 days ago · 9 km deep · 23 km away
  4. 1.76 km SW of Monte Sereno, California · 13499 days ago · 13 km deep · 31 km away
  5. 2.42 km NNW of Interlaken, California · 13499 days ago · 15 km deep · 6 km away
  6. 2.01 km NNW of Lexington Hills, California · 13499 days ago · 8 km deep · 25 km away
  7. 2.02 km SSW of Lexington Hills, California · 13499 days ago · 7 km deep · 22 km away
  8. 1.68 km ESE of Lexington Hills, California · 13499 days ago · 3 km deep · 16 km away
  9. 1.50 km NNW of Lexington Hills, California · 13499 days ago · 6 km deep · 24 km away
  10. 1.65 km S of Lexington Hills, California · 13499 days ago · 13 km deep · 19 km away
  11. 1.95 km ESE of Lexington Hills, California · 13499 days ago · 5 km deep · 18 km away
  12. 2.33 km NNW of Lexington Hills, California · 13499 days ago · 6 km deep · 26 km away
  13. 1.64 km SSW of La Selva Beach, California · 13499 days ago · 6 km deep · 15 km away
  14. 2.44 km ESE of Lexington Hills, California · 13499 days ago · 3 km deep · 19 km away
  15. 1.62 km SSW of Lexington Hills, California · 13499 days ago · 8 km deep · 22 km away
  16. 2.67 km SE of Lexington Hills, California · 13499 days ago · 10 km deep · 16 km away
  17. 2.26 km N of Day Valley, California · 13499 days ago · 6 km deep · 12 km away
  18. 2.86 km SW of Monte Sereno, California · 13499 days ago · 14 km deep · 32 km away
  19. 1.82 km NNW of Lexington Hills, California · 13499 days ago · 7 km deep · 25 km away
  20. 1.76 km NW of Day Valley, California · 13499 days ago · 14 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc261601. Read Sat, Oct 3, 2026, 4:42 AM UTC.