California earthquakes

M2.1 earthquake 8 km NNE of Day Valley, California

A magnitude 2.1 earthquake struck 8 km NNE of Day Valley, California on Wed, Nov 1, 1989, 12:39 AM PST (08:39 UTC), 4 km (2 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-11-01 08:39:57 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
37.109° N, 121.835° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
37°
Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 192 in the 30 days before it.

After

  1. 1.91 km ENE of San Juan Bautista, California · 13484 days ago · 6 km deep · 40 km away
  2. 1.79 km NNE of Day Valley, California · 13484 days ago · 4 km deep · 1 km away
  3. 2.12 km SSW of San Juan Bautista, California · 13484 days ago · 5 km deep · 41 km away
  4. 1.94 km N of Interlaken, California · 13484 days ago · 12 km deep · 16 km away
  5. 2.18 km NNE of Day Valley, California · 13484 days ago · 4 km deep · 1 km away
  6. 1.914 km E of Seven Trees, California · 13484 days ago · 6 km deep · 26 km away
  7. 2.26 km NE of Ridgemark, California · 13484 days ago · 4 km deep · 55 km away
  8. 1.75 km W of Hollister, California · 13484 days ago · 4 km deep · 44 km away
  9. 2.111 km SW of Ridgemark, California · 13484 days ago · 15 km deep · 52 km away
  10. 2.17 km NW of Day Valley, California · 13484 days ago · 13 km deep · 8 km away
  11. 1.93 km ESE of Day Valley, California · 13484 days ago · 16 km deep · 9 km away
  12. 1.71 km E of Aromas, California · 13484 days ago · 8 km deep · 31 km away
  13. 1.66 km NE of Ridgemark, California · 13484 days ago · 4 km deep · 55 km away
  14. 2.10 km WSW of Lexington Hills, California · 13484 days ago · 6 km deep · 14 km away
  15. 1.82 km N of Interlaken, California · 13484 days ago · 14 km deep · 18 km away
  16. 2.66 km ENE of Day Valley, California · 13484 days ago · 9 km deep · 5 km away
  17. 4.76 km NE of Day Valley, California · 13484 days ago · 9 km deep · 5 km away
  18. 1.66 km NE of Day Valley, California · 13484 days ago · 7 km deep · 4 km away
  19. 1.96 km ENE of Day Valley, California · 13484 days ago · 8 km deep · 6 km away
  20. 1.67 km ENE of Day Valley, California · 13484 days ago · 9 km deep · 6 km away
  21. 1.66 km ENE of Day Valley, California · 13484 days ago · 8 km deep · 6 km away
  22. 1.97 km ENE of Day Valley, California · 13484 days ago · 8 km deep · 6 km away
  23. 2.16 km NE of Day Valley, California · 13484 days ago · 8 km deep · 5 km away
  24. 1.67 km ENE of Day Valley, California · 13484 days ago · 7 km deep · 6 km away
  25. 2.37 km NE of Ridgemark, California · 13484 days ago · 6 km deep · 55 km away
  26. 1.64 km WSW of Cupertino, California · 13484 days ago · 4 km deep · 31 km away
  27. 2.56 km NW of Day Valley, California · 13484 days ago · 15 km deep · 8 km away
  28. 1.89 km N of Day Valley, California · 13483 days ago · 3 km deep · 4 km away
  29. 1.52 km N of Aromas, California · 13483 days ago · 6 km deep · 28 km away
  30. 1.91 km SSE of Lexington Hills, California · 13483 days ago · 9 km deep · 13 km away
  31. 2.27 km SW of Gilroy, California · 13483 days ago · 4 km deep · 24 km away
  32. 1.73 km SSW of Lexington Hills, California · 13483 days ago · 14 km deep · 14 km away
  33. 2.00 km ESE of Zayante, California · 13483 days ago · 8 km deep · 18 km away
  34. 1.92 km SSW of Lexington Hills, California · 13483 days ago · 13 km deep · 14 km away
  35. 2.06 km ENE of Interlaken, California · 13483 days ago · 0 km deep · 22 km away
  36. 1.83 km WNW of Lexington Hills, California · 13483 days ago · 11 km deep · 18 km away
  37. 2.36 km SSW of Sunol, California · 13483 days ago · 6 km deep · 48 km away
  38. 2.23 km W of San Juan Bautista, California · 13483 days ago · 6 km deep · 37 km away
  39. 1.96 km SSW of Sunol, California · 13483 days ago · 6 km deep · 48 km away
  40. 2.010 km NNE of East Foothills, California · 13483 days ago · 6 km deep · 41 km away
  41. 1.824 km ENE of Soledad, California · 13483 days ago · 2 km deep · 97 km away
  42. 1.76 km ESE of East Foothills, California · 13483 days ago · 0 km deep · 28 km away
  43. 2.56 km ESE of East Foothills, California · 13483 days ago · 1 km deep · 28 km away
  44. 2.02 km WSW of Lexington Hills, California · 13483 days ago · 10 km deep · 15 km away
  45. 1.522 km NE of Soledad, California · 13483 days ago · 4 km deep · 85 km away
  46. 1.75 km S of Gilroy, California · 13483 days ago · 3 km deep · 29 km away
  47. 1.63 km SW of Cupertino, California · 13483 days ago · 5 km deep · 29 km away
  48. 1.74 km SW of Cupertino, California · 13483 days ago · 5 km deep · 29 km away
  49. 1.911 km SSE of Tres Pinos, California · 13483 days ago · 4 km deep · 68 km away
  50. 1.65 km ESE of Interlaken, California · 13483 days ago · 11 km deep · 24 km away
  51. 3.25 km ESE of Interlaken, California · 13483 days ago · 12 km deep · 24 km away
  52. 1.64 km E of Interlaken, California · 13483 days ago · 10 km deep · 23 km away
  53. 1.50 km ESE of Zayante, California · 13482 days ago · 8 km deep · 18 km away
  54. 2.04 km SSW of Lexington Hills, California · 13482 days ago · 15 km deep · 14 km away
  55. 2.13 km SSW of Lexington Hills, California · 13482 days ago · 14 km deep · 14 km away
  56. 1.77 km SE of Lexington Hills, California · 13482 days ago · 9 km deep · 7 km away
  57. 1.82 km NE of Lexington Hills, California · 13482 days ago · 4 km deep · 13 km away
  58. 1.67 km ENE of Interlaken, California · 13482 days ago · 2 km deep · 20 km away
  59. 2.923 km ENE of Soledad, California · 13482 days ago · -1 km deep · 93 km away
  60. 1.67 km ENE of Scotts Valley, California · 13482 days ago · 15 km deep · 10 km away

The first 60 of 196.

Before

  1. 3.68 km NNE of Day Valley, California · 13485 days ago · 4 km deep · 0 km away
  2. 1.67 km N of Day Valley, California · 13485 days ago · 2 km deep · 2 km away
  3. 2.44 km ENE of Day Valley, California · 13485 days ago · 4 km deep · 7 km away
  4. 1.82 km WNW of Lexington Hills, California · 13485 days ago · 10 km deep · 16 km away
  5. 2.58 km NNE of Day Valley, California · 13485 days ago · 4 km deep · 1 km away
  6. 1.87 km W of Gilroy, California · 13485 days ago · 2 km deep · 20 km away
  7. 2.5Northern California · 13485 days ago · 3 km deep · 7 km away
  8. 1.5Northern California · 13485 days ago · 6 km deep · 24 km away
  9. 2.614 km N of Morgan Hill, California · 13485 days ago · 7 km deep · 24 km away
  10. 1.65 km ENE of Day Valley, California · 13485 days ago · 5 km deep · 6 km away
  11. 1.74 km SE of Aromas, California · 13485 days ago · 7 km deep · 34 km away
  12. 1.62 km SSW of Lexington Hills, California · 13485 days ago · 13 km deep · 13 km away
  13. 1.812 km SW of Ridgemark, California · 13485 days ago · 14 km deep · 52 km away
  14. 2.14 km ENE of Interlaken, California · 13485 days ago · 6 km deep · 20 km away
  15. 2.65 km WNW of Day Valley, California · 13485 days ago · 16 km deep · 9 km away
  16. 2.53 km NNE of Amesti, California · 13485 days ago · 15 km deep · 15 km away
  17. 1.63 km ESE of Day Valley, California · 13485 days ago · 15 km deep · 9 km away
  18. 1.73 km NNW of Corralitos, California · 13485 days ago · 15 km deep · 10 km away
  19. 1.77 km NNW of Day Valley, California · 13485 days ago · 6 km deep · 4 km away
  20. 2.511 km SW of Ridgemark, California · 13485 days ago · 15 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc146321. Read Fri, Oct 2, 2026, 10:47 PM UTC.