California earthquakes

M1.7 earthquake 25km N of Tehachapi, CA

A magnitude 1.7 earthquake struck 25km N of Tehachapi, CA on Sun, Apr 16, 1978, 2:17 PM PST (22:17 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.0 24km W of Coso Junction, 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
Local time
UTC
1978-04-16 22:17:25 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
35.353° N, 118.436° 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 1.5 km horizontally, 3.0 km in depth
Depth from
From location
Station coverage gap
147°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 44 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 3.024km W of Coso Junction, CA · 17691 days ago · 3 km deep · 76 km away
  2. 1.718km NNW of California City, CA · 17687 days ago · 6 km deep · 38 km away
  3. 1.66km NNE of Grapevine, CA · 17686 days ago · 18 km deep · 59 km away
  4. 1.716km S of Arvin, CA · 17685 days ago · 0 km deep · 49 km away
  5. 2.17km W of Wofford Heights, CA · 17683 days ago · 11 km deep · 40 km away
  6. 2.023km ENE of Arvin, CA · 17682 days ago · 4 km deep · 16 km away
  7. 2.38km NE of Santa Clarita, CA · 17680 days ago · 13 km deep · 100 km away
  8. 2.29km WSW of Bodfish, CA · 17679 days ago · 6 km deep · 25 km away
  9. 1.76km SSE of Bakersfield, CA · 17678 days ago · 6 km deep · 52 km away
  10. 2.711km W of Delano, CA · 17677 days ago · 6 km deep · 96 km away
  11. 2.513km E of Little Lake, CA · 17672 days ago · 6 km deep · 91 km away
  12. 1.918km NNW of Tehachapi, CA · 17671 days ago · 4 km deep · 12 km away
  13. 2.06km ESE of Wofford Heights, CA · 17670 days ago · 7 km deep · 38 km away
  14. 2.17km ESE of Wofford Heights, CA · 17670 days ago · 6 km deep · 37 km away
  15. 1.710km ESE of Wofford Heights, CA · 17670 days ago · 6 km deep · 35 km away
  16. 1.616km NNW of Grapevine, CA · 17670 days ago · 6 km deep · 61 km away
  17. 2.026km E of Kernville, CA · 17669 days ago · 6 km deep · 51 km away
  18. 2.314km NE of Kernville, CA · 17663 days ago · 4 km deep · 56 km away
  19. 2.56km NNW of Little Lake, CA · 17663 days ago · 6 km deep · 84 km away
  20. 2.118km NW of Tehachapi, CA · 17661 days ago · 5 km deep · 17 km away
  21. 2.27km SW of Coso Junction, CA · 17659 days ago · 6 km deep · 82 km away
  22. 2.023km ENE of Arvin, CA · 17659 days ago · 6 km deep · 16 km away
  23. 2.06km SW of Shafter, CA · 17657 days ago · 6 km deep · 81 km away
  24. 1.86km W of California City, CA · 17654 days ago · 6 km deep · 44 km away
  25. 1.710km WNW of Neenach, CA · 17654 days ago · 6 km deep · 65 km away
  26. 1.512km SW of Lamont, CA · 17650 days ago · 6 km deep · 55 km away
  27. 2.126km NE of Arvin, CA · 17649 days ago · 0 km deep · 18 km away
  28. 1.819km SE of Arvin, CA · 17645 days ago · 11 km deep · 39 km away
  29. 2.917km ENE of Taft, CA · 17644 days ago · 8 km deep · 79 km away
  30. 2.217km SE of Bodfish, CA · 17644 days ago · 14 km deep · 13 km away
  31. 1.820km SSE of Bodfish, CA · 17643 days ago · 6 km deep · 7 km away
  32. 2.417km SW of Arvin, CA · 17639 days ago · 5 km deep · 56 km away
  33. 1.711km SSE of Buttonwillow, CA · 17639 days ago · 14 km deep · 90 km away
  34. 1.516km SSW of Lamont, CA · 17638 days ago · 7 km deep · 56 km away
  35. 1.816km SSW of Lamont, CA · 17638 days ago · 1 km deep · 55 km away
  36. 2.46km W of Buttonwillow, CA · 17638 days ago · 24 km deep · 100 km away
  37. 2.612km W of Grapevine, CA · 17636 days ago · 7 km deep · 74 km away
  38. 2.313km S of Bodfish, CA · 17636 days ago · 6 km deep · 15 km away
  39. 1.56km NW of Vincent, CA · 17636 days ago · 14 km deep · 93 km away
  40. 2.18km NE of Santa Clarita, CA · 17635 days ago · 15 km deep · 98 km away
  41. 1.618km NE of Tehachapi, CA · 17635 days ago · 6 km deep · 17 km away
  42. 2.835km WSW of Olancha, CA · 17635 days ago · 6 km deep · 96 km away
  43. 2.420km SE of Bodfish, CA · 17634 days ago · 0 km deep · 13 km away
  44. 1.821km NNW of Tehachapi, CA · 17632 days ago · 1 km deep · 10 km away

Before

  1. 1.617km ESE of Ridgecrest, CA · 17691 days ago · 6 km deep · 86 km away
  2. 2.618km NNW of Tehachapi, CA · 17694 days ago · 5 km deep · 14 km away
  3. 1.816km SSW of Neenach, CA · 17695 days ago · 12 km deep · 82 km away
  4. 1.722km NW of Tehachapi, CA · 17696 days ago · 2 km deep · 15 km away
  5. 1.716km N of Castaic, CA · 17696 days ago · 14 km deep · 83 km away
  6. 1.915km N of Castaic, CA · 17696 days ago · 14 km deep · 83 km away
  7. 2.312km S of Trona, CA · 17698 days ago · 4 km deep · 100 km away
  8. 3.125km SSW of Bodfish, CA · 17698 days ago · 1 km deep · 19 km away
  9. 1.816km SSW of Neenach, CA · 17703 days ago · 12 km deep · 82 km away
  10. 1.81km NE of Frazier Park, CA · 17707 days ago · 12 km deep · 74 km away
  11. 1.812km E of Coso Junction, CA · 17708 days ago · 6 km deep · 94 km away
  12. 2.320km SSE of Bodfish, CA · 17708 days ago · 6 km deep · 7 km away
  13. 2.36km NW of Boron, CA · 17708 days ago · 9 km deep · 76 km away
  14. 2.617km SE of Arvin, CA · 17709 days ago · 6 km deep · 34 km away
  15. 1.511km WSW of Grapevine, CA · 17711 days ago · 16 km deep · 74 km away
  16. 1.919km SE of Bodfish, CA · 17712 days ago · 5 km deep · 14 km away
  17. 1.915km N of Kernville, CA · 17713 days ago · 5 km deep · 59 km away
  18. 2.423km NNE of Kernville, CA · 17714 days ago · 5 km deep · 67 km away
  19. 2.719km ESE of Ridgecrest, CA · 17715 days ago · 0 km deep · 87 km away
  20. 2.73km SW of Lamont, CA · 17716 days ago · 7 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3338914. Read Tue, Sep 22, 2026, 11:28 PM UTC.