California earthquakes

M3.1 earthquake 21km NNW of Tehachapi, CA

A magnitude 3.1 earthquake struck 21km NNW of Tehachapi, CA on Wed, Jun 21, 1978, 12:26 PM PDT (19:26 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.2 21km N of Pine Mountain Club, 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
3.1 (ml), minor
Local time
UTC
1978-06-21 19:26:04 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
35.291° N, 118.571° 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 0.5 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
92°
Stations used
33

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 29 in the 30 days before it.

After

  1. 2.71km WSW of Frazier Park, CA · 17626 days ago · 12 km deep · 63 km away
  2. 1.716km ENE of Ojai, CA · 17625 days ago · 18 km deep · 98 km away
  3. 2.020km NNE of Inyokern, CA · 17625 days ago · 6 km deep · 96 km away
  4. 2.011km NE of Kernville, CA · 17624 days ago · 6 km deep · 62 km away
  5. 2.523km N of Ridgecrest, CA · 17622 days ago · 13 km deep · 100 km away
  6. 1.712km N of Pine Mountain Club, CA · 17622 days ago · 13 km deep · 64 km away
  7. 1.69km NE of Santa Clarita, CA · 17620 days ago · 15 km deep · 91 km away
  8. 1.816km NW of Tehachapi, CA · 17620 days ago · 7 km deep · 6 km away
  9. 1.53km SE of Santa Clarita, CA · 17620 days ago · 16 km deep · 99 km away
  10. 1.62km SE of Santa Clarita, CA · 17620 days ago · 16 km deep · 99 km away
  11. 3.06km WNW of Castaic, CA · 17619 days ago · 18 km deep · 88 km away
  12. 2.119km SE of Bodfish, CA · 17618 days ago · 6 km deep · 27 km away
  13. 1.716km SW of Little Lake, CA · 17616 days ago · 6 km deep · 77 km away
  14. 1.815km NNE of Grapevine, CA · 17614 days ago · 11 km deep · 37 km away
  15. 2.110km SSW of Inyokern, CA · 17614 days ago · 3 km deep · 71 km away
  16. 2.26km WNW of Little Lake, CA · 17613 days ago · 0 km deep · 91 km away
  17. 2.320km SE of Bodfish, CA · 17612 days ago · 0 km deep · 25 km away
  18. 2.619km SE of Bodfish, CA · 17612 days ago · 2 km deep · 26 km away
  19. 2.320km SW of Little Lake, CA · 17611 days ago · 6 km deep · 74 km away
  20. 1.917km SE of Bodfish, CA · 17611 days ago · 6 km deep · 26 km away
  21. 1.915km ENE of Ojai, CA · 17609 days ago · 5 km deep · 100 km away
  22. 3.020km WSW of Little Lake, CA · 17608 days ago · 6 km deep · 75 km away
  23. 1.83km S of Frazier Park, CA · 17608 days ago · 6 km deep · 64 km away
  24. 2.98km ESE of Bakersfield, CA · 17608 days ago · 0 km deep · 35 km away
  25. 3.221km N of Pine Mountain Club, CA · 17606 days ago · 0 km deep · 61 km away
  26. 1.913km ESE of Johannesburg, CA · 17604 days ago · 6 km deep · 97 km away
  27. 2.812km W of Coso Junction, CA · 17604 days ago · 6 km deep · 97 km away
  28. 1.75km ENE of Santa Clarita, CA · 17603 days ago · 11 km deep · 96 km away
  29. 1.99km SW of Agua Dulce, CA · 17603 days ago · 12 km deep · 97 km away
  30. 1.816km ENE of Ojai, CA · 17602 days ago · 18 km deep · 98 km away
  31. 1.910km E of Santa Clarita, CA · 17599 days ago · 10 km deep · 99 km away
  32. 1.813km NW of Mojave, CA · 17598 days ago · 6 km deep · 32 km away
  33. 1.521km ENE of Maricopa, CA · 17598 days ago · 6 km deep · 59 km away
  34. 2.49km NNE of Grapevine, CA · 17597 days ago · 11 km deep · 42 km away
  35. 2.318km SSE of Alpaugh, CA · 17597 days ago · 6 km deep · 93 km away
  36. 2.03km S of Bodfish, CA · 17592 days ago · 14 km deep · 30 km away
  37. 1.77km NE of Santa Clarita, CA · 17591 days ago · 11 km deep · 93 km away
  38. 1.77km SSW of Coso Junction, CA · 17591 days ago · 6 km deep · 94 km away
  39. 1.63km S of Frazier Park, CA · 17589 days ago · 11 km deep · 65 km away
  40. 3.025km E of Maricopa, CA · 17587 days ago · 0 km deep · 56 km away
  41. 2.310km WSW of Grapevine, CA · 17581 days ago · 14 km deep · 59 km away
  42. 1.524km SSW of Bodfish, CA · 17581 days ago · 2 km deep · 11 km away
  43. 2.415km ESE of Arvin, CA · 17581 days ago · 0 km deep · 20 km away
  44. 1.814km SW of Arvin, CA · 17581 days ago · 6 km deep · 38 km away
  45. 1.58km NE of Santa Clarita, CA · 17574 days ago · 13 km deep · 94 km away
  46. 2.07km ESE of Santa Clarita, CA · 17574 days ago · 6 km deep · 100 km away
  47. 1.67km SW of Grapevine, CA · 17573 days ago · 11 km deep · 58 km away
  48. 2.616km WSW of Little Lake, CA · 17573 days ago · 0 km deep · 80 km away
  49. 2.016km WSW of Little Lake, CA · 17573 days ago · 0 km deep · 80 km away
  50. 2.020km W of Johannesburg, CA · 17573 days ago · 4 km deep · 66 km away
  51. 1.817km S of Johannesburg, CA · 17573 days ago · 6 km deep · 83 km away
  52. 2.27km E of Santa Clarita, CA · 17572 days ago · 8 km deep · 99 km away
  53. 1.86km E of Santa Clarita, CA · 17572 days ago · 9 km deep · 98 km away
  54. 1.87km ESE of Santa Clarita, CA · 17572 days ago · 8 km deep · 99 km away
  55. 3.123km SW of Lamont, CA · 17572 days ago · 2 km deep · 51 km away
  56. 2.515km NE of Boron, CA · 17572 days ago · 5 km deep · 98 km away
  57. 2.011km ENE of Boron, CA · 17572 days ago · 18 km deep · 97 km away
  58. 2.26km NW of Boron, CA · 17570 days ago · 5 km deep · 85 km away
  59. 1.817km NW of Tehachapi, CA · 17569 days ago · 3 km deep · 4 km away
  60. 2.05km SW of Mojave, CA · 17569 days ago · 4 km deep · 45 km away

The first 60 of 62.

Before

  1. 2.116km ENE of Ojai, CA · 17627 days ago · 18 km deep · 97 km away
  2. 1.512km SE of Arvin, CA · 17630 days ago · 6 km deep · 21 km away
  3. 2.325km NE of Arvin, CA · 17632 days ago · 0 km deep · 13 km away
  4. 1.818km ESE of Arvin, CA · 17632 days ago · 8 km deep · 15 km away
  5. 2.922km N of Pine Mountain Club, CA · 17632 days ago · 0 km deep · 60 km away
  6. 4.221km WNW of Grapevine, CA · 17632 days ago · 11 km deep · 58 km away
  7. 1.817km NE of Tehachapi, CA · 17632 days ago · 6 km deep · 25 km away
  8. 1.616km NE of Tehachapi, CA · 17632 days ago · 1 km deep · 26 km away
  9. 1.821km NNW of Tehachapi, CA · 17634 days ago · 1 km deep · 4 km away
  10. 2.420km SE of Bodfish, CA · 17636 days ago · 0 km deep · 27 km away
  11. 1.618km NE of Tehachapi, CA · 17636 days ago · 6 km deep · 25 km away
  12. 2.18km NE of Santa Clarita, CA · 17637 days ago · 15 km deep · 92 km away
  13. 1.56km NW of Vincent, CA · 17637 days ago · 14 km deep · 91 km away
  14. 2.313km S of Bodfish, CA · 17637 days ago · 6 km deep · 21 km away
  15. 2.612km W of Grapevine, CA · 17638 days ago · 7 km deep · 60 km away
  16. 2.46km W of Buttonwillow, CA · 17639 days ago · 24 km deep · 88 km away
  17. 1.816km SSW of Lamont, CA · 17640 days ago · 1 km deep · 41 km away
  18. 1.516km SSW of Lamont, CA · 17640 days ago · 7 km deep · 42 km away
  19. 1.711km SSE of Buttonwillow, CA · 17640 days ago · 14 km deep · 77 km away
  20. 2.417km SW of Arvin, CA · 17640 days ago · 5 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3340141 (also filed as usp0000v78). Read Thu, Sep 24, 2026, 6:18 AM UTC.