California earthquakes

M1.6 earthquake 16km NE of Grapevine, CA

A magnitude 1.6 earthquake struck 16km NE of Grapevine, CA on Tue, Mar 29, 1977, 5:31 AM PST (13:31 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 7km W 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
1.6 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1977-03-29 13:31:58 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
35.038° N, 118.790° 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 2.5 km horizontally, 20.6 km in depth
Depth from
From location
Station coverage gap
256°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 62 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.324km SE of Bodfish, CA · 18087 days ago · 6 km deep · 62 km away
  2. 1.75km E of Vincent, CA · 18086 days ago · 3 km deep · 90 km away
  3. 1.922km SSE of Bodfish, CA · 18085 days ago · 6 km deep · 51 km away
  4. 1.712km SSE of Tehachapi, CA · 18084 days ago · 8 km deep · 37 km away
  5. 3.07km W of Tehachapi, CA · 18082 days ago · 6 km deep · 26 km away
  6. 1.84km SSE of Littlerock, CA · 18080 days ago · 6 km deep · 98 km away
  7. 1.618km NNW of Tehachapi, CA · 18079 days ago · 6 km deep · 33 km away
  8. 1.610km WSW of Lake Hughes, CA · 18079 days ago · 0 km deep · 48 km away
  9. 1.610km WSW of Grapevine, CA · 18079 days ago · 6 km deep · 26 km away
  10. 1.56km SW of Santa Paula, CA · 18079 days ago · 0 km deep · 85 km away
  11. 1.812km ESE of Carpinteria, CA · 18078 days ago · 20 km deep · 93 km away
  12. 1.716km NW of Grapevine, CA · 18078 days ago · 28 km deep · 23 km away
  13. 1.55km N of Sunland, CA · 18077 days ago · 10 km deep · 93 km away
  14. 1.68km E of Santa Clarita, CA · 18077 days ago · 10 km deep · 77 km away
  15. 2.17km E of Santa Clarita, CA · 18076 days ago · 10 km deep · 76 km away
  16. 1.622km SSW of Frazier Park, CA · 18076 days ago · 0 km deep · 50 km away
  17. 1.615km NE of Neenach, CA · 18075 days ago · 0 km deep · 35 km away
  18. 1.721km NW of Grapevine, CA · 18074 days ago · 1 km deep · 28 km away
  19. 1.66km SSE of Littlerock, CA · 18072 days ago · 8 km deep · 99 km away
  20. 2.03km SE of Valencia, CA · 18072 days ago · 0 km deep · 71 km away
  21. 2.27km E of Santa Clarita, CA · 18072 days ago · 14 km deep · 77 km away
  22. 2.720km NNW of Tehachapi, CA · 18070 days ago · 6 km deep · 38 km away
  23. 2.27km NNE of Santa Clarita, CA · 18067 days ago · 16 km deep · 69 km away
  24. 2.227km WSW of Pine Mountain Club, CA · 18066 days ago · 0 km deep · 66 km away
  25. 1.76km SE of Simi Valley, CA · 18065 days ago · 14 km deep · 89 km away
  26. 2.54km S of Frazier Park, CA · 18064 days ago · 13 km deep · 31 km away
  27. 1.822km SSW of Bodfish, CA · 18063 days ago · 6 km deep · 45 km away
  28. 2.813km NNE of Simi Valley, CA · 18061 days ago · 15 km deep · 75 km away
  29. 1.511km ESE of Piru, CA · 18061 days ago · 18 km deep · 75 km away
  30. 1.510km W of Tehachapi, CA · 18060 days ago · 4 km deep · 24 km away
  31. 2.510km E of Santa Clarita, CA · 18057 days ago · 7 km deep · 78 km away
  32. 2.316km SE of Bodfish, CA · 18053 days ago · 5 km deep · 62 km away
  33. 2.212km N of Grapevine, CA · 18050 days ago · 4 km deep · 14 km away
  34. 1.93km S of Littlerock, CA · 18050 days ago · 6 km deep · 96 km away
  35. 1.67km E of Santa Clarita, CA · 18049 days ago · 7 km deep · 76 km away
  36. 1.719km NW of Grapevine, CA · 18049 days ago · 6 km deep · 27 km away
  37. 2.125km S of Bodfish, CA · 18048 days ago · 6 km deep · 46 km away
  38. 1.524km S of Bodfish, CA · 18048 days ago · 6 km deep · 47 km away
  39. 1.68km S of Lamont, CA · 18047 days ago · 6 km deep · 21 km away
  40. 1.52km NW of Frazier Park, CA · 18047 days ago · 16 km deep · 27 km away
  41. 2.225km S of Bodfish, CA · 18045 days ago · 0 km deep · 46 km away
  42. 1.714km SE of Arvin, CA · 18044 days ago · 5 km deep · 9 km away
  43. 1.62km ESE of Castaic, CA · 18043 days ago · 6 km deep · 64 km away
  44. 2.11km SSE of Castaic, CA · 18043 days ago · 3 km deep · 64 km away
  45. 1.513km NNE of Ojai, CA · 18043 days ago · 4 km deep · 64 km away
  46. 1.74km NW of Grapevine, CA · 18042 days ago · 16 km deep · 17 km away
  47. 1.618km N of Pine Mountain Club, CA · 18042 days ago · 6 km deep · 31 km away
  48. 1.816km NNW of Grapevine, CA · 18041 days ago · 6 km deep · 21 km away
  49. 1.98km ENE of Santa Clarita, CA · 18041 days ago · 6 km deep · 74 km away
  50. 2.45km S of Lamont, CA · 18040 days ago · 6 km deep · 23 km away
  51. 1.89km ESE of Santa Clarita, CA · 18040 days ago · 5 km deep · 81 km away
  52. 1.77km W of Tehachapi, CA · 18037 days ago · 3 km deep · 26 km away
  53. 1.66km N of Frazier Park, CA · 18037 days ago · 6 km deep · 23 km away
  54. 2.012km ESE of Bodfish, CA · 18037 days ago · 6 km deep · 68 km away
  55. 2.014km N of Pine Mountain Club, CA · 18035 days ago · 5 km deep · 32 km away
  56. 2.426km WNW of Inyokern, CA · 18033 days ago · 6 km deep · 97 km away
  57. 1.610km N of Fillmore, CA · 18033 days ago · 6 km deep · 63 km away
  58. 1.718km ESE of Arvin, CA · 18032 days ago · 6 km deep · 19 km away
  59. 1.722km NNW of Tehachapi, CA · 18032 days ago · 6 km deep · 35 km away
  60. 2.416km SSW of Neenach, CA · 18031 days ago · 11 km deep · 45 km away

The first 60 of 62.

Before

  1. 1.54km NW of West Hills, CA · 18088 days ago · 12 km deep · 91 km away
  2. 2.99km ESE of Santa Clarita, CA · 18089 days ago · 0 km deep · 79 km away
  3. 1.911km NNE of Santa Clarita, CA · 18089 days ago · 29 km deep · 66 km away
  4. 2.06km SSE of Littlerock, CA · 18090 days ago · 12 km deep · 98 km away
  5. 1.510km NNE of Sunland, CA · 18091 days ago · 2 km deep · 91 km away
  6. 2.38km SW of Pearblossum, CA · 18093 days ago · 0 km deep · 100 km away
  7. 1.96km SW of Pearblossum, CA · 18096 days ago · 5 km deep · 100 km away
  8. 1.97km SSE of Santa Clarita, CA · 18097 days ago · 4 km deep · 81 km away
  9. 1.87km SSE of Santa Clarita, CA · 18099 days ago · 1 km deep · 81 km away
  10. 1.612km NNW of Chatsworth, CA · 18099 days ago · 14 km deep · 77 km away
  11. 1.97km N of Pacoima, CA · 18099 days ago · 9 km deep · 83 km away
  12. 2.09km E of Santa Clarita, CA · 18100 days ago · 9 km deep · 78 km away
  13. 1.623km NNE of Ojai, CA · 18100 days ago · 0 km deep · 55 km away
  14. 2.16km S of Littlerock, CA · 18104 days ago · 5 km deep · 98 km away
  15. 1.75km SSE of Littlerock, CA · 18108 days ago · 6 km deep · 98 km away
  16. 2.06km W of Wofford Heights, CA · 18109 days ago · 6 km deep · 78 km away
  17. 2.27km SW of Pearblossum, CA · 18109 days ago · 0 km deep · 100 km away
  18. 1.64km ESE of Frazier Park, CA · 18109 days ago · 14 km deep · 27 km away
  19. 1.910km NE of Sunland, CA · 18109 days ago · 4 km deep · 94 km away
  20. 1.718km NW of Grapevine, CA · 18111 days ago · 4 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9978098. Read Mon, Oct 5, 2026, 1:52 PM UTC.