California earthquakes

M1.9 earthquake 1 km NE of Interlaken, California

A magnitude 1.9 earthquake struck 1 km NE of Interlaken, California on Mon, Oct 23, 1989, 10:15 AM PDT (17:15 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.7 6 km NE of Day Valley, California. This one was a foreshock.

Interlaken 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
1989-10-23 17:15:05 UTC
Depth
13.3 km (8.3 mi), shallow
Epicenter
36.961° N, 121.719° 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
±0.24
Depth from
From location
Station coverage gap
74°
Stations used
44

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. 1.75 km SSW of Lexington Hills, California · 13495 days ago · 16 km deep · 30 km away
  2. 1.75 km ESE of Interlaken, California · 13495 days ago · 11 km deep · 5 km away
  3. 2.02 km SSW of Saratoga, California · 13495 days ago · 7 km deep · 42 km away
  4. 3.04 km E of Interlaken, California · 13495 days ago · 6 km deep · 4 km away
  5. 2.12 km NNW of Aromas, California · 13495 days ago · 8 km deep · 8 km away
  6. 1.66 km WNW of Lexington Hills, California · 13495 days ago · 10 km deep · 38 km away
  7. 1.67 km N of Day Valley, California · 13495 days ago · 9 km deep · 20 km away
  8. 1.631 km ENE of Soledad, California · 13495 days ago · 8 km deep · 74 km away
  9. 1.92 km SSW of Lexington Hills, California · 13495 days ago · 12 km deep · 32 km away
  10. 1.54 km WSW of Lexington Hills, California · 13495 days ago · 17 km deep · 33 km away
  11. 3.16 km ESE of Lexington Hills, California · 13495 days ago · 9 km deep · 26 km away
  12. 1.91 km NNE of Corralitos, California · 13495 days ago · 16 km deep · 8 km away
  13. 1.86 km SW of Monte Sereno, California · 13495 days ago · 13 km deep · 39 km away
  14. 1.58 km N of Day Valley, California · 13495 days ago · 3 km deep · 20 km away
  15. 1.83 km NNW of Aromas, California · 13495 days ago · 7 km deep · 7 km away
  16. 1.52 km SSW of Lexington Hills, California · 13495 days ago · 14 km deep · 31 km away
  17. 1.54 km W of Hollister, California · 13495 days ago · 4 km deep · 26 km away
  18. 1.68 km ESE of Lexington Hills, California · 13495 days ago · 3 km deep · 24 km away
  19. 1.72 km NE of Corralitos, California · 13495 days ago · 15 km deep · 8 km away
  20. 1.52 km ENE of Corralitos, California · 13495 days ago · 15 km deep · 7 km away
  21. 1.82 km SE of Day Valley, California · 13495 days ago · 18 km deep · 13 km away
  22. 1.64 km NE of Amesti, California · 13495 days ago · 14 km deep · 4 km away
  23. 1.96 km W of Lexington Hills, California · 13495 days ago · 15 km deep · 37 km away
  24. 2.12 km SSW of Lexington Hills, California · 13495 days ago · 13 km deep · 31 km away
  25. 1.81 km S of Lexington Hills, California · 13495 days ago · 8 km deep · 30 km away
  26. 3.25 km ENE of Day Valley, California · 13495 days ago · 4 km deep · 13 km away
  27. 1.72 km E of Corralitos, California · 13495 days ago · 15 km deep · 6 km away
  28. 3.03 km NE of Lexington Hills, California · 13495 days ago · 6 km deep · 32 km away
  29. 1.65 km E of Interlaken, California · 13495 days ago · 7 km deep · 5 km away
  30. 1.88 km N of Day Valley, California · 13495 days ago · 3 km deep · 21 km away
  31. 2.63 km NE of Lexington Hills, California · 13495 days ago · 6 km deep · 32 km away
  32. 1.52 km NNE of Soquel, California · 13495 days ago · 3 km deep · 21 km away
  33. 1.8Northern California · 13495 days ago · 8 km deep · 34 km away
  34. 1.72 km NNE of Lexington Hills, California · 13495 days ago · 5 km deep · 33 km away
  35. 2.49 km N of Day Valley, California · 13494 days ago · 2 km deep · 21 km away
  36. 2.57 km SW of Gilroy, California · 13494 days ago · 4 km deep · 8 km away
  37. 2.14 km NNW of Aromas, California · 13494 days ago · 11 km deep · 7 km away
  38. 2.14 km N of Interlaken, California · 13494 days ago · 12 km deep · 3 km away
  39. 2.14 km E of Day Valley, California · 13494 days ago · 4 km deep · 12 km away
  40. 1.65 km ENE of Zayante, California · 13494 days ago · 19 km deep · 30 km away
  41. 1.81 km WSW of Diablo, California · 13494 days ago · 6 km deep · 99 km away
  42. 2.36 km NW of Day Valley, California · 13494 days ago · 13 km deep · 21 km away
  43. 1.63 km NNW of Day Valley, California · 13494 days ago · 13 km deep · 19 km away
  44. 1.93 km NE of Day Valley, California · 13494 days ago · 3 km deep · 15 km away
  45. 1.97 km N of Day Valley, California · 13494 days ago · 5 km deep · 20 km away
  46. 1.54 km ESE of Interlaken, California · 13494 days ago · 10 km deep · 4 km away
  47. 1.8Central California · 13494 days ago · 2 km deep · 27 km away
  48. 1.56 km NNE of Corralitos, California · 13494 days ago · 7 km deep · 11 km away
  49. 1.84 km E of Interlaken, California · 13494 days ago · 9 km deep · 3 km away
  50. 2.14 km ESE of Interlaken, California · 13494 days ago · 12 km deep · 4 km away
  51. 1.92 km SSW of Lexington Hills, California · 13494 days ago · 13 km deep · 31 km away
  52. 1.60 km SSW of Lexington Hills, California · 13494 days ago · 21 km deep · 32 km away
  53. 2.74 km E of Interlaken, California · 13494 days ago · 6 km deep · 3 km away
  54. 2.54 km NNW of Aromas, California · 13494 days ago · 7 km deep · 6 km away
  55. 1.9Central California · 13494 days ago · 4 km deep · 60 km away
  56. 2.42 km S of San Juan Bautista, California · 13494 days ago · 4 km deep · 22 km away
  57. 1.6Northern California · 13494 days ago · 12 km deep · 32 km away
  58. 2.016 km SSE of Pescadero, California · 13494 days ago · 8 km deep · 58 km away
  59. 1.63 km NE of Amesti, California · 13494 days ago · 14 km deep · 4 km away
  60. 2.63 km NE of Lexington Hills, California · 13494 days ago · 5 km deep · 32 km away

The first 60 of 198.

Before

  1. 1.66 km ENE of Corralitos, California · 13495 days ago · 5 km deep · 7 km away
  2. 1.63 km NNW of Corralitos, California · 13495 days ago · 16 km deep · 11 km away
  3. 1.85 km SW of Gilroy, California · 13495 days ago · 2 km deep · 10 km away
  4. 1.89 km NNE of Day Valley, California · 13495 days ago · 3 km deep · 20 km away
  5. 1.52 km ENE of Zayante, California · 13495 days ago · 7 km deep · 31 km away
  6. 3.17 km NE of Interlaken, California · 13495 days ago · 3 km deep · 6 km away
  7. 2.21 km SSE of Day Valley, California · 13495 days ago · 17 km deep · 14 km away
  8. 2.21 km NE of Interlaken, California · 13495 days ago · 14 km deep · 0 km away
  9. 2.41 km NNE of Lompico, California · 13495 days ago · 8 km deep · 34 km away
  10. 2.01 km N of Lexington Hills, California · 13495 days ago · 4 km deep · 33 km away
  11. 2.42 km N of Day Valley, California · 13495 days ago · 12 km deep · 17 km away
  12. 1.84 km ESE of Interlaken, California · 13495 days ago · 10 km deep · 4 km away
  13. 1.76 km SE of Lexington Hills, California · 13495 days ago · 9 km deep · 26 km away
  14. 1.54 km NE of Interlaken, California · 13495 days ago · 5 km deep · 3 km away
  15. 1.64 km NW of Day Valley, California · 13495 days ago · 14 km deep · 20 km away
  16. 1.61 km NE of Corralitos, California · 13495 days ago · 12 km deep · 8 km away
  17. 1.61 km NNE of Interlaken, California · 13495 days ago · 13 km deep · 1 km away
  18. 2.24 km ESE of Aromas, California · 13495 days ago · 5 km deep · 15 km away
  19. 1.93 km SSW of Lexington Hills, California · 13496 days ago · 13 km deep · 31 km away
  20. 1.75 km E of Interlaken, California · 13496 days ago · 6 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc145697. Read Sun, Oct 4, 2026, 9:44 PM UTC.