California earthquakes

M1.7 earthquake 6 km NNE of Corralitos, California

A magnitude 1.7 earthquake struck 6 km NNE of Corralitos, California on Sat, Oct 21, 1989, 1:57 AM PDT (08:57 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.7 7 km NE 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-10-21 08:57:17 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
37.042° N, 121.791° 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
±0.13
Depth from
From location
Station coverage gap
41°
Stations used
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 1.94 km NE of Amesti, California · 13498 days ago · 13 km deep · 7 km away
  2. 1.97 km ENE of Scotts Valley, California · 13498 days ago · 18 km deep · 13 km away
  3. 1.67 km SSE of Lexington Hills, California · 13498 days ago · 12 km deep · 14 km away
  4. 2.14 km ESE of Interlaken, California · 13498 days ago · 10 km deep · 15 km away
  5. 2.415 km SSE of Tres Pinos, California · 13498 days ago · 7 km deep · 63 km away
  6. 2.70 km NNW of Lexington Hills, California · 13498 days ago · 9 km deep · 22 km away
  7. 1.52 km NNW of Lexington Hills, California · 13498 days ago · 3 km deep · 23 km away
  8. 1.77 km ENE of Corralitos, California · 13498 days ago · 6 km deep · 6 km away
  9. 1.68 km N of Day Valley, CA · 13498 days ago · 3 km deep · 9 km away
  10. 3.34 km E of Lexington Hills, California · 13498 days ago · 4 km deep · 18 km away
  11. 1.72 km ESE of Lexington Hills, California · 13498 days ago · 7 km deep · 18 km away
  12. 2.26 km NNE of Day Valley, California · 13498 days ago · 5 km deep · 8 km away
  13. 1.53 km ENE of Interlaken, California · 13498 days ago · 1 km deep · 12 km away
  14. 1.54 km NE of Interlaken, California · 13498 days ago · 7 km deep · 11 km away
  15. 2.58 km N of Day Valley, California · 13498 days ago · 3 km deep · 11 km away
  16. 1.92 km N of Lexington Hills, California · 13498 days ago · 3 km deep · 23 km away
  17. 1.75 km WNW of Lexington Hills, California · 13498 days ago · 11 km deep · 26 km away
  18. 2.39 km N of Day Valley, California · 13498 days ago · 4 km deep · 11 km away
  19. 1.64 km N of San Juan Bautista, California · 13498 days ago · 6 km deep · 28 km away
  20. 2.68 km N of Day Valley, California · 13498 days ago · 4 km deep · 9 km away
  21. 2.420 km SSE of Tres Pinos, California · 13498 days ago · 5 km deep · 69 km away
  22. 1.67 km NNE of Day Valley, California · 13498 days ago · 2 km deep · 7 km away
  23. 2.53 km NNW of Aromas, California · 13498 days ago · 11 km deep · 18 km away
  24. 2.10 km SE of Los Altos Hills, California · 13498 days ago · 4 km deep · 48 km away
  25. 2.52 km SSE of Lexington Hills, California · 13498 days ago · 10 km deep · 19 km away
  26. 1.92 km ESE of Day Valley, California · 13498 days ago · 14 km deep · 4 km away
  27. 1.92 km N of Interlaken, California · 13498 days ago · 14 km deep · 9 km away
  28. 1.56 km NNE of Day Valley, California · 13498 days ago · 4 km deep · 7 km away
  29. 1.65 km ENE of Interlaken, California · 13498 days ago · 10 km deep · 13 km away
  30. 1.81 km NNW of Lexington Hills, California · 13498 days ago · 7 km deep · 22 km away
  31. 1.62 km E of Interlaken, California · 13498 days ago · 12 km deep · 12 km away
  32. 2.31 km N of Aromas, California · 13498 days ago · 7 km deep · 20 km away
  33. 2.07 km N of Day Valley, California · 13498 days ago · 4 km deep · 10 km away
  34. 4.74 km NW of Day Valley, California · 13498 days ago · 15 km deep · 10 km away
  35. 1.94 km NNW of Day Valley, California · 13498 days ago · 13 km deep · 9 km away
  36. 2.014 km SSW of Davenport, California · 13498 days ago · 42 km deep · 45 km away
  37. 2.02 km WNW of Saratoga, California · 13498 days ago · 6 km deep · 35 km away
  38. 2.15 km NW of Day Valley, California · 13498 days ago · 14 km deep · 10 km away
  39. 1.72 km NE of Lexington Hills, California · 13498 days ago · 5 km deep · 21 km away
  40. 1.7Northern California · 13498 days ago · 3 km deep · 22 km away
  41. 1.95 km NNW of Day Valley, California · 13498 days ago · 14 km deep · 10 km away
  42. 2.24 km NNW of Day Valley, California · 13498 days ago · 14 km deep · 9 km away
  43. 1.65 km NNW of Day Valley, California · 13498 days ago · 13 km deep · 9 km away
  44. 1.66 km WNW of Day Valley, California · 13498 days ago · 18 km deep · 12 km away
  45. 2.34 km NNW of Aromas, California · 13498 days ago · 11 km deep · 17 km away
  46. 1.67 km SW of Monte Sereno, California · 13498 days ago · 13 km deep · 29 km away
  47. 2.65 km NNW of Day Valley, California · 13498 days ago · 13 km deep · 10 km away
  48. 2.09 km SE of Livermore, California · 13498 days ago · 7 km deep · 66 km away
  49. 1.92 km E of Day Valley, California · 13498 days ago · 16 km deep · 4 km away
  50. 1.77 km SE of Lexington Hills, California · 13497 days ago · 9 km deep · 14 km away
  51. 1.62 km NE of Amesti, California · 13497 days ago · 15 km deep · 7 km away
  52. 1.81 km SSW of Lexington Hills, California · 13497 days ago · 25 km deep · 21 km away
  53. 1.6Northern California · 13497 days ago · 4 km deep · 9 km away
  54. 1.56 km ESE of Lexington Hills, California · 13497 days ago · 9 km deep · 15 km away
  55. 1.74 km NNW of Aromas, California · 13497 days ago · 10 km deep · 17 km away
  56. 1.60 km E of Lexington Hills, California · 13497 days ago · 6 km deep · 21 km away
  57. 2.15 km ENE of Zayante, California · 13497 days ago · 15 km deep · 18 km away
  58. 2.45 km NW of Day Valley, California · 13497 days ago · 13 km deep · 10 km away
  59. 1.92 km N of Interlaken, California · 13497 days ago · 15 km deep · 9 km away
  60. 1.63 km SW of Lexington Hills, California · 13497 days ago · 16 km deep · 22 km away

The first 60 of 200.

Before

  1. 1.82 km N of Lexington Hills, California · 13498 days ago · 3 km deep · 23 km away
  2. 2.93 km SSW of Lexington Hills, California · 13498 days ago · 15 km deep · 20 km away
  3. 2.17 km SSE of Lexington Hills, California · 13498 days ago · 12 km deep · 14 km away
  4. 1.64 km E of Day Valley, California · 13498 days ago · 10 km deep · 2 km away
  5. 1.69 km NNE of San Juan Bautista, California · 13498 days ago · 3 km deep · 28 km away
  6. 1.72 km N of Interlaken, California · 13498 days ago · 14 km deep · 9 km away
  7. 1.85 km ENE of Day Valley, California · 13498 days ago · 3 km deep · 1 km away
  8. 1.92 km NE of Interlaken, California · 13498 days ago · 13 km deep · 11 km away
  9. 2.13 km S of Clayton, California · 13498 days ago · 1 km deep · 97 km away
  10. 1.63 km ESE of Day Valley, California · 13498 days ago · 15 km deep · 4 km away
  11. 2.61 km ENE of Aromas, California · 13498 days ago · 7 km deep · 22 km away
  12. 2.14 km SE of North Gate, California · 13498 days ago · 1 km deep · 94 km away
  13. 1.73 km ESE of Day Valley, California · 13498 days ago · 15 km deep · 4 km away
  14. 1.68 km NNE of Day Valley, California · 13498 days ago · 4 km deep · 8 km away
  15. 2.18 km ESE of Lexington Hills, California · 13498 days ago · 3 km deep · 13 km away
  16. 1.83 km SSE of La Selva Beach, California · 13498 days ago · 3 km deep · 16 km away
  17. 1.76 km ENE of Interlaken, California · 13498 days ago · 3 km deep · 14 km away
  18. 1.71 km NNW of Lexington Hills, California · 13498 days ago · 9 km deep · 23 km away
  19. 1.65 km SW of Gilroy, California · 13498 days ago · 1 km deep · 19 km away
  20. 1.51 km NNE of Interlaken, California · 13498 days ago · 13 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc201382. Read Mon, Oct 5, 2026, 1:23 PM UTC.