California earthquakes

M2.1 earthquake 5 km WSW of Cupertino, California

A magnitude 2.1 earthquake struck 5 km WSW of Cupertino, California on Mon, Nov 20, 1989, 1:45 AM PST (09:45 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.4 Central California. This one was a foreshock.

Cupertino 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-11-20 09:45:42 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
37.302° N, 122.088° 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, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
43°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 196 in the 30 days before it.

After

  1. 1.55 km WSW of Cupertino, California · 13467 days ago · 6 km deep · 0 km away
  2. 1.73 km NNE of Amesti, California · 13466 days ago · 14 km deep · 45 km away
  3. 1.54 km NE of Amesti, California · 13466 days ago · 13 km deep · 46 km away
  4. 2.93 km NNW of Aromas, California · 13466 days ago · 9 km deep · 58 km away
  5. 1.85 km ESE of Lexington Hills, California · 13466 days ago · 11 km deep · 24 km away
  6. 1.66 km SE of Lexington Hills, California · 13466 days ago · 8 km deep · 25 km away
  7. 1.65 km S of Loyola, California · 13466 days ago · 7 km deep · 0 km away
  8. 2.19 km NE of Gilroy, California · 13466 days ago · 8 km deep · 60 km away
  9. 1.65 km SW of Gilroy, California · 13466 days ago · 1 km deep · 55 km away
  10. 1.54 km E of Interlaken, California · 13465 days ago · 10 km deep · 54 km away
  11. 1.69 km SE of San Juan Bautista, California · 13465 days ago · 6 km deep · 80 km away
  12. 1.85 km S of Loyola, California · 13465 days ago · 7 km deep · 0 km away
  13. 2.07 km ENE of Scotts Valley, California · 13465 days ago · 15 km deep · 28 km away
  14. 1.68 km SSE of Lexington Hills, California · 13465 days ago · 13 km deep · 27 km away
  15. 2.58 km NW of Day Valley, California · 13465 days ago · 13 km deep · 27 km away
  16. 1.93 km W of Saratoga, California · 13465 days ago · 5 km deep · 5 km away
  17. 1.66 km NW of Day Valley, California · 13465 days ago · 12 km deep · 29 km away
  18. 1.819 km SW of Gustine, California · 13465 days ago · 0 km deep · 84 km away
  19. 1.817 km SW of Davenport, California · 13465 days ago · 22 km deep · 51 km away
  20. 2.02 km NNE of Lexington Hills, California · 13464 days ago · 5 km deep · 17 km away
  21. 1.6Northern California · 13464 days ago · 9 km deep · 35 km away
  22. 1.58 km NW of Day Valley, California · 13464 days ago · 14 km deep · 27 km away
  23. 2.05 km ESE of Interlaken, California · 13464 days ago · 11 km deep · 55 km away
  24. 1.64 km NNE of Interlaken, California · 13464 days ago · 7 km deep · 48 km away
  25. 2.11 km NE of Pacifica, California · 13464 days ago · 8 km deep · 49 km away
  26. 1.85 km N of Aromas, California · 13464 days ago · 3 km deep · 57 km away
  27. 1.73 km SSW of Lexington Hills, California · 13464 days ago · 14 km deep · 21 km away
  28. 1.58 km NW of Moss Landing, California · 13464 days ago · 3 km deep · 53 km away
  29. 1.96 km ENE of Day Valley, California · 13464 days ago · 5 km deep · 38 km away
  30. 1.88 km SE of Lexington Hills, California · 13463 days ago · 7 km deep · 26 km away
  31. 1.85 km NNW of Aromas, California · 13463 days ago · 10 km deep · 55 km away
  32. 1.68 km S of La Selva Beach, California · 13463 days ago · 4 km deep · 53 km away
  33. 2.25 km ENE of Day Valley, California · 13463 days ago · 5 km deep · 38 km away
  34. 2.92 km ESE of Aromas, California · 13463 days ago · 6 km deep · 63 km away
  35. 1.60 km SSE of Lexington Hills, California · 13463 days ago · 8 km deep · 19 km away
  36. 1.55 km SSE of San Juan Bautista, California · 13463 days ago · 5 km deep · 76 km away
  37. 1.59 km NW of Daly City, California · 13462 days ago · 13 km deep · 65 km away
  38. 1.69 km N of Day Valley, California · 13462 days ago · 2 km deep · 28 km away
  39. 1.8Central California · 13462 days ago · 5 km deep · 98 km away
  40. 2.16 km SW of Monte Sereno, California · 13462 days ago · 13 km deep · 13 km away
  41. 2.910 km WSW of Morgan Hill, California · 13462 days ago · 3 km deep · 36 km away
  42. 2.510 km WSW of Morgan Hill, California · 13462 days ago · 3 km deep · 36 km away
  43. 1.69 km NNW of Davenport, California · 13462 days ago · 3 km deep · 28 km away
  44. 3.010 km WSW of Morgan Hill, California · 13462 days ago · 3 km deep · 36 km away
  45. 2.16 km ENE of Day Valley, California · 13461 days ago · 7 km deep · 37 km away
  46. 1.53 km NE of Amesti, California · 13461 days ago · 14 km deep · 46 km away
  47. 2.64 km E of Interlaken, California · 13461 days ago · 9 km deep · 54 km away
  48. 3.012 km ENE of East Foothills, California · 13461 days ago · 8 km deep · 38 km away
  49. 1.63 km NNE of Amesti, California · 13460 days ago · 14 km deep · 45 km away
  50. 1.75 km ESE of Interlaken, California · 13460 days ago · 9 km deep · 54 km away
  51. 1.83 km NE of Amesti, California · 13460 days ago · 14 km deep · 46 km away
  52. 1.63 km N of Pacifica, California · 13460 days ago · 7 km deep · 52 km away
  53. 1.63 km NE of Interlaken, California · 13460 days ago · 8 km deep · 50 km away
  54. 2.111 km ESE of East Foothills, California · 13459 days ago · 6 km deep · 35 km away
  55. 1.87 km NW of Day Valley, California · 13459 days ago · 15 km deep · 29 km away
  56. 1.615 km NW of Davenport, California · 13459 days ago · 1 km deep · 32 km away
  57. 2.12 km ESE of Aromas, California · 13459 days ago · 6 km deep · 62 km away
  58. 1.82 km SSW of Lexington Hills, California · 13459 days ago · 14 km deep · 20 km away
  59. 1.75 km NW of Day Valley, California · 13458 days ago · 13 km deep · 30 km away
  60. 1.62 km NNE of Day Valley, California · 13458 days ago · 12 km deep · 34 km away

The first 60 of 188.

Before

  1. 1.52 km WSW of San Juan Bautista, California · 13467 days ago · 4 km deep · 69 km away
  2. 1.56 km NE of Day Valley, California · 13467 days ago · 7 km deep · 36 km away
  3. 1.96 km ESE of Lexington Hills, California · 13467 days ago · 11 km deep · 24 km away
  4. 1.54 km ESE of Interlaken, California · 13467 days ago · 12 km deep · 54 km away
  5. 2.27 km NE of Day Valley, California · 13467 days ago · 3 km deep · 34 km away
  6. 1.76 km WSW of Davenport, California · 13467 days ago · 7 km deep · 37 km away
  7. 2.07 km NW of Diablo Grande, California · 13467 days ago · 0 km deep · 68 km away
  8. 1.65 km E of Interlaken, California · 13468 days ago · 5 km deep · 53 km away
  9. 1.65 km ESE of East Foothills, California · 13468 days ago · 0 km deep · 31 km away
  10. 1.95 km ESE of Interlaken, California · 13468 days ago · 10 km deep · 54 km away
  11. 1.64 km WNW of San Juan Bautista, California · 13468 days ago · 6 km deep · 66 km away
  12. 2.04 km ENE of Zayante, California · 13468 days ago · 12 km deep · 23 km away
  13. 2.21 km S of Lexington Hills, California · 13469 days ago · 9 km deep · 19 km away
  14. 1.85 km SSW of Ridgemark, California · 13469 days ago · 6 km deep · 87 km away
  15. 1.75 km SSW of Ridgemark, California · 13469 days ago · 7 km deep · 87 km away
  16. 2.03 km NNE of Amesti, California · 13469 days ago · 14 km deep · 45 km away
  17. 2.29 km SW of Ridgemark, California · 13469 days ago · 6 km deep · 84 km away
  18. 1.75 km E of Interlaken, California · 13469 days ago · 6 km deep · 54 km away
  19. 1.62 km WNW of Los Altos Hills, California · 13469 days ago · 4 km deep · 11 km away
  20. 1.77 km ENE of Day Valley, California · 13469 days ago · 7 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc147741. Read Sat, Oct 3, 2026, 9:32 PM UTC.