California earthquakes

M1.7 earthquake 17km NW of Grapevine, CA

A magnitude 1.7 earthquake struck 17km NW of Grapevine, CA on Sun, Feb 5, 1978, 7:34 AM PST (15:34 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 22km NNW of Tehachapi, CA. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-02-05 15:34:36 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.056° N, 119.060° 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 1.9 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
286°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.815km NW of Grapevine, CA · 17773 days ago · 6 km deep · 2 km away
  2. 2.316km ESE of Arvin, CA · 17772 days ago · 10 km deep · 37 km away
  3. 1.620km NNW of Tehachapi, CA · 17772 days ago · 4 km deep · 54 km away
  4. 1.96km NW of Vincent, CA · 17770 days ago · 9 km deep · 100 km away
  5. 1.79km SE of Bodfish, CA · 17770 days ago · 6 km deep · 79 km away
  6. 1.710km ESE of Lake Isabella, CA · 17770 days ago · 1 km deep · 85 km away
  7. 2.010km SSW of Valencia, CA · 17770 days ago · 3 km deep · 87 km away
  8. 1.710km ESE of Lake Isabella, CA · 17770 days ago · 0 km deep · 85 km away
  9. 1.89km SE of Lake Isabella, CA · 17769 days ago · 0 km deep · 83 km away
  10. 1.66km SE of Bodfish, CA · 17769 days ago · 6 km deep · 78 km away
  11. 2.511km ENE of Lebec, CA · 17769 days ago · 3 km deep · 32 km away
  12. 1.98km N of Grapevine, CA · 17767 days ago · 7 km deep · 13 km away
  13. 1.722km SE of Arvin, CA · 17766 days ago · 11 km deep · 35 km away
  14. 1.67km E of Santa Clarita, CA · 17765 days ago · 12 km deep · 91 km away
  15. 1.717km N of Mojave, CA · 17765 days ago · 6 km deep · 83 km away
  16. 2.24km NNW of Northridge, CA · 17762 days ago · 11 km deep · 99 km away
  17. 2.54km NNW of Northridge, CA · 17762 days ago · 10 km deep · 100 km away
  18. 2.44km NNW of Northridge, CA · 17762 days ago · 10 km deep · 99 km away
  19. 1.94km NNW of Northridge, CA · 17762 days ago · 10 km deep · 99 km away
  20. 1.96km S of Camarillo, CA · 17761 days ago · 14 km deep · 99 km away
  21. 2.313km SSW of Carpinteria, CA · 17761 days ago · 13 km deep · 97 km away
  22. 2.23km S of Bodfish, CA · 17761 days ago · 6 km deep · 76 km away
  23. 2.35km SSE of Bodfish, CA · 17760 days ago · 6 km deep · 77 km away
  24. 2.05km S of Camarillo, CA · 17759 days ago · 13 km deep · 99 km away
  25. 2.23km S of Ojai, CA · 17758 days ago · 2 km deep · 73 km away
  26. 1.78km E of Buttonwillow, CA · 17756 days ago · 6 km deep · 48 km away
  27. 2.29km NNE of Grapevine, CA · 17756 days ago · 12 km deep · 17 km away
  28. 2.04km S of Valencia, CA · 17751 days ago · 4 km deep · 84 km away
  29. 1.518km SSW of Gorman, CA · 17751 days ago · 12 km deep · 45 km away
  30. 1.919km SE of Bodfish, CA · 17750 days ago · 6 km deep · 79 km away
  31. 2.318km NW of Tehachapi, CA · 17749 days ago · 4 km deep · 49 km away
  32. 2.44km ESE of Goleta, CA · 17748 days ago · 13 km deep · 96 km away
  33. 1.99km SW of Shafter, CA · 17748 days ago · 6 km deep · 51 km away
  34. 1.514km N of Pine Mountain Club, CA · 17746 days ago · 6 km deep · 12 km away
  35. 2.324km NE of Arvin, CA · 17746 days ago · 6 km deep · 51 km away
  36. 2.014km N of Grapevine, CA · 17744 days ago · 11 km deep · 13 km away
  37. 1.917km NE of Lamont, CA · 17743 days ago · 6 km deep · 43 km away
  38. 2.18km SE of Camarillo, CA · 17742 days ago · 0 km deep · 99 km away
  39. 1.65km ESE of Santa Paula, CA · 17742 days ago · 20 km deep · 81 km away
  40. 2.010km SSE of Tehachapi, CA · 17742 days ago · 3 km deep · 58 km away
  41. 2.16km SSE of Shafter, CA · 17740 days ago · 6 km deep · 47 km away
  42. 2.67km NNE of Santa Clarita, CA · 17740 days ago · 13 km deep · 85 km away
  43. 2.56km ENE of Shafter, CA · 17740 days ago · 6 km deep · 53 km away
  44. 1.613km N of Pine Mountain Club, CA · 17737 days ago · 4 km deep · 12 km away
  45. 2.612km WSW of Grapevine, CA · 17736 days ago · 13 km deep · 15 km away
  46. 1.77km E of Santa Clarita, CA · 17734 days ago · 12 km deep · 92 km away
  47. 1.99km SSE of Shafter, CA · 17734 days ago · 6 km deep · 44 km away
  48. 1.86km SE of Camarillo, CA · 17733 days ago · 1 km deep · 98 km away
  49. 2.521km N of Tehachapi, CA · 17732 days ago · 1 km deep · 59 km away
  50. 3.522km NNW of Tehachapi, CA · 17732 days ago · 0 km deep · 58 km away
  51. 1.724km NNW of Tehachapi, CA · 17732 days ago · 6 km deep · 58 km away
  52. 1.824km NNW of Tehachapi, CA · 17732 days ago · 3 km deep · 60 km away
  53. 2.530km SW of Alpaugh, CA · 17732 days ago · 6 km deep · 92 km away
  54. 2.93km SE of Frazier Park, CA · 17731 days ago · 4 km deep · 31 km away
  55. 1.718km S of Carpinteria, CA · 17730 days ago · 14 km deep · 100 km away
  56. 1.621km N of Tehachapi, CA · 17730 days ago · 6 km deep · 60 km away
  57. 2.418km NNW of Grapevine, CA · 17730 days ago · 6 km deep · 4 km away
  58. 1.716km N of Pine Mountain Club, CA · 17730 days ago · 14 km deep · 12 km away
  59. 1.812km ESE of Piru, CA · 17728 days ago · 13 km deep · 83 km away
  60. 2.112km ESE of Piru, CA · 17727 days ago · 14 km deep · 84 km away

The first 60 of 104.

Before

  1. 1.618km NNW of Tehachapi, CA · 17773 days ago · 6 km deep · 52 km away
  2. 1.633km S of Simmler, CA · 17773 days ago · 6 km deep · 87 km away
  3. 1.820km E of Maricopa, CA · 17775 days ago · 6 km deep · 12 km away
  4. 1.611km WSW of Ojai, CA · 17776 days ago · 4 km deep · 75 km away
  5. 1.810km SSW of Agua Dulce, CA · 17777 days ago · 7 km deep · 95 km away
  6. 1.813km W of Ventura, CA · 17779 days ago · 3 km deep · 93 km away
  7. 1.66km N of Granada Hills, CA · 17779 days ago · 15 km deep · 96 km away
  8. 1.87km NNW of Granada Hills, CA · 17779 days ago · 5 km deep · 94 km away
  9. 1.98km NNW of Granada Hills, CA · 17779 days ago · 4 km deep · 94 km away
  10. 1.88km NNW of Granada Hills, CA · 17779 days ago · 7 km deep · 94 km away
  11. 1.614km W of Ventura, CA · 17780 days ago · 11 km deep · 92 km away
  12. 2.332km SE of Bodfish, CA · 17781 days ago · 4 km deep · 84 km away
  13. 1.510km E of Santa Clarita, CA · 17783 days ago · 8 km deep · 93 km away
  14. 1.96km SE of Camarillo, CA · 17783 days ago · 4 km deep · 98 km away
  15. 2.223km NE of Arvin, CA · 17784 days ago · 8 km deep · 50 km away
  16. 2.813km SSW of Gorman, CA · 17785 days ago · 8 km deep · 42 km away
  17. 2.510km E of Santa Clarita, CA · 17787 days ago · 6 km deep · 92 km away
  18. 2.320km NW of Grapevine, CA · 17787 days ago · 0 km deep · 4 km away
  19. 1.712km NE of Tehachapi, CA · 17788 days ago · 6 km deep · 65 km away
  20. 1.68km N of Santa Paula, CA · 17789 days ago · 1 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9998798. Read Sun, Oct 4, 2026, 7:29 AM UTC.