California earthquakes

M1.7 earthquake 6km WNW of Grapevine, CA

A magnitude 1.7 earthquake struck 6km WNW of Grapevine, CA on Mon, Dec 12, 1977, 9:19 PM PST (05:19 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.8 13km SSW of Gorman, CA. 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
1.7 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1977-12-13 05:19:35 UTC
Depth
12.1 km (7.5 mi), shallow
Epicenter
34.956° N, 118.989° 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 0.8 km horizontally, 2.2 km in depth
Depth from
From location
Station coverage gap
154°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 1.55km E of Piru, CA · 17827 days ago · 13 km deep · 65 km away
  2. 2.020km SE of Bodfish, CA · 17826 days ago · 6 km deep · 82 km away
  3. 2.116km ESE of Maricopa, CA · 17825 days ago · 10 km deep · 23 km away
  4. 1.510km NNE of Santa Clarita, CA · 17824 days ago · 3 km deep · 71 km away
  5. 1.74km SSE of Ventura, CA · 17821 days ago · 16 km deep · 82 km away
  6. 2.524km SSW of Bodfish, CA · 17820 days ago · 2 km deep · 60 km away
  7. 2.09km SE of Carpinteria, CA · 17819 days ago · 3 km deep · 81 km away
  8. 1.720km SW of Lamont, CA · 17818 days ago · 6 km deep · 19 km away
  9. 1.612km ESE of Piru, CA · 17817 days ago · 23 km deep · 70 km away
  10. 1.511km SW of Valencia, CA · 17817 days ago · 27 km deep · 70 km away
  11. 2.012km ESE of Piru, CA · 17816 days ago · 20 km deep · 71 km away
  12. 2.214km ENE of Ojai, CA · 17816 days ago · 17 km deep · 51 km away
  13. 1.630km ENE of Santa Ynez, CA · 17815 days ago · 12 km deep · 77 km away
  14. 1.925km NW of Grapevine, CA · 17814 days ago · 4 km deep · 20 km away
  15. 1.515km WNW of Tehachapi, CA · 17809 days ago · 5 km deep · 42 km away
  16. 1.719km SSW of Lamont, CA · 17808 days ago · 0 km deep · 18 km away
  17. 1.912km SSW of Agua Dulce, CA · 17806 days ago · 8 km deep · 85 km away
  18. 1.82km NE of Thousand Oaks, CA · 17806 days ago · 17 km deep · 85 km away
  19. 1.67km NNW of Pacoima, CA · 17805 days ago · 2 km deep · 83 km away
  20. 2.78km ESE of Santa Clarita, CA · 17805 days ago · 6 km deep · 81 km away
  21. 1.59km SSW of Agua Dulce, CA · 17805 days ago · 11 km deep · 84 km away
  22. 1.87km ESE of Santa Clarita, CA · 17802 days ago · 2 km deep · 80 km away
  23. 2.07km ESE of Santa Clarita, CA · 17802 days ago · 8 km deep · 80 km away
  24. 2.07km ESE of Santa Clarita, CA · 17801 days ago · 7 km deep · 80 km away
  25. 2.122km NNW of Tehachapi, CA · 17801 days ago · 6 km deep · 60 km away
  26. 2.27km ESE of Santa Clarita, CA · 17800 days ago · 7 km deep · 80 km away
  27. 2.510km E of Santa Clarita, CA · 17799 days ago · 10 km deep · 80 km away
  28. 1.917km ESE of Maricopa, CA · 17795 days ago · 6 km deep · 23 km away
  29. 2.419km SE of Bodfish, CA · 17791 days ago · 5 km deep · 81 km away
  30. 1.54km N of Pacoima, CA · 17791 days ago · 0 km deep · 87 km away
  31. 1.824km NE of Arvin, CA · 17790 days ago · 0 km deep · 56 km away
  32. 1.68km N of Santa Paula, CA · 17790 days ago · 1 km deep · 60 km away
  33. 1.712km NE of Tehachapi, CA · 17789 days ago · 6 km deep · 63 km away
  34. 2.320km NW of Grapevine, CA · 17788 days ago · 0 km deep · 16 km away
  35. 2.510km E of Santa Clarita, CA · 17788 days ago · 6 km deep · 80 km away
  36. 2.813km SSW of Gorman, CA · 17785 days ago · 8 km deep · 30 km away
  37. 2.86km NNE of Lake View Terrace, CA · 17784 days ago · 1 km deep · 92 km away
  38. 2.223km NE of Arvin, CA · 17784 days ago · 8 km deep · 54 km away
  39. 1.96km SE of Camarillo, CA · 17784 days ago · 4 km deep · 87 km away
  40. 1.510km E of Santa Clarita, CA · 17783 days ago · 8 km deep · 81 km away
  41. 2.332km SE of Bodfish, CA · 17781 days ago · 4 km deep · 85 km away
  42. 1.614km W of Ventura, CA · 17780 days ago · 11 km deep · 84 km away
  43. 1.88km NNW of Granada Hills, CA · 17780 days ago · 7 km deep · 81 km away
  44. 1.98km NNW of Granada Hills, CA · 17780 days ago · 4 km deep · 81 km away
  45. 1.87km NNW of Granada Hills, CA · 17780 days ago · 5 km deep · 82 km away
  46. 1.66km N of Granada Hills, CA · 17780 days ago · 15 km deep · 83 km away
  47. 1.813km W of Ventura, CA · 17779 days ago · 3 km deep · 85 km away
  48. 1.52km SW of West Hills, CA · 17778 days ago · 13 km deep · 91 km away
  49. 2.11km SSE of West Hills, CA · 17778 days ago · 4 km deep · 91 km away
  50. 1.810km SSW of Agua Dulce, CA · 17777 days ago · 7 km deep · 82 km away
  51. 1.611km WSW of Ojai, CA · 17776 days ago · 4 km deep · 68 km away
  52. 1.820km E of Maricopa, CA · 17776 days ago · 6 km deep · 22 km away
  53. 1.633km S of Simmler, CA · 17774 days ago · 6 km deep · 94 km away
  54. 1.618km NNW of Tehachapi, CA · 17773 days ago · 6 km deep · 53 km away
  55. 1.717km NW of Grapevine, CA · 17773 days ago · 6 km deep · 13 km away
  56. 1.815km NW of Grapevine, CA · 17773 days ago · 6 km deep · 11 km away
  57. 2.316km ESE of Arvin, CA · 17773 days ago · 10 km deep · 36 km away
  58. 1.620km NNW of Tehachapi, CA · 17772 days ago · 4 km deep · 55 km away
  59. 1.96km NW of Vincent, CA · 17771 days ago · 9 km deep · 88 km away
  60. 1.79km SE of Bodfish, CA · 17770 days ago · 6 km deep · 83 km away

The first 60 of 67.

Before

  1. 2.622km NNW of Tehachapi, CA · 17829 days ago · 3 km deep · 57 km away
  2. 2.03km NE of Thousand Oaks, CA · 17829 days ago · 17 km deep · 84 km away
  3. 1.826km SSW of Bodfish, CA · 17830 days ago · 6 km deep · 58 km away
  4. 1.99km SW of Agua Dulce, CA · 17830 days ago · 10 km deep · 81 km away
  5. 1.611km WNW of Mojave, CA · 17831 days ago · 7 km deep · 67 km away
  6. 1.53km S of Santa Barbara, CA · 17833 days ago · 4 km deep · 90 km away
  7. 2.310km N of Santa Paula, CA · 17833 days ago · 15 km deep · 57 km away
  8. 1.65km N of Sunland, CA · 17833 days ago · 6 km deep · 96 km away
  9. 1.88km NE of Grapevine, CA · 17835 days ago · 13 km deep · 11 km away
  10. 1.83km S of Valencia, CA · 17836 days ago · 7 km deep · 70 km away
  11. 2.15km WSW of Carpinteria, CA · 17837 days ago · 1 km deep · 83 km away
  12. 1.720km NNW of Tehachapi, CA · 17839 days ago · 3 km deep · 53 km away
  13. 1.68km NE of Santa Clarita, CA · 17842 days ago · 12 km deep · 72 km away
  14. 1.913km WNW of Grapevine, CA · 17842 days ago · 3 km deep · 8 km away
  15. 1.713km SW of Gorman, CA · 17843 days ago · 9 km deep · 29 km away
  16. 1.517km S of Camarillo, CA · 17846 days ago · 15 km deep · 100 km away
  17. 1.58km ENE of Lebec, CA · 17846 days ago · 10 km deep · 20 km away
  18. 1.924km NNW of Tehachapi, CA · 17847 days ago · 1 km deep · 56 km away
  19. 1.71km NNE of Chatsworth, CA · 17847 days ago · 12 km deep · 85 km away
  20. 1.823km S of Bodfish, CA · 17847 days ago · 6 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3336889. Read Sun, Oct 4, 2026, 8:43 PM UTC.