California earthquakes

M1.7 earthquake 8km E of Buttonwillow, CA

A magnitude 1.7 earthquake struck 8km E of Buttonwillow, CA on Wed, Feb 22, 1978, 4:16 AM PST (12:16 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.2 9km NNE of Grapevine, CA. This one was a foreshock.

Buttonwillow forecastMore in California

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
1978-02-22 12:16:05 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.398° N, 119.381° 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, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
196°, 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: 39 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.29km NNE of Grapevine, CA · 17744 days ago · 12 km deep · 62 km away
  2. 1.518km SSW of Gorman, CA · 17740 days ago · 12 km deep · 90 km away
  3. 1.919km SE of Bodfish, CA · 17738 days ago · 6 km deep · 94 km away
  4. 2.318km NW of Tehachapi, CA · 17738 days ago · 4 km deep · 74 km away
  5. 1.99km SW of Shafter, CA · 17737 days ago · 6 km deep · 7 km away
  6. 1.514km N of Pine Mountain Club, CA · 17735 days ago · 6 km deep · 52 km away
  7. 2.324km NE of Arvin, CA · 17734 days ago · 6 km deep · 65 km away
  8. 2.014km N of Grapevine, CA · 17732 days ago · 11 km deep · 56 km away
  9. 1.917km NE of Lamont, CA · 17731 days ago · 6 km deep · 55 km away
  10. 2.010km SSE of Tehachapi, CA · 17731 days ago · 3 km deep · 96 km away
  11. 2.16km SSE of Shafter, CA · 17729 days ago · 6 km deep · 13 km away
  12. 2.56km ENE of Shafter, CA · 17728 days ago · 6 km deep · 20 km away
  13. 1.613km N of Pine Mountain Club, CA · 17725 days ago · 4 km deep · 53 km away
  14. 2.612km WSW of Grapevine, CA · 17725 days ago · 13 km deep · 61 km away
  15. 1.99km SSE of Shafter, CA · 17723 days ago · 6 km deep · 13 km away
  16. 2.521km N of Tehachapi, CA · 17721 days ago · 1 km deep · 81 km away
  17. 3.522km NNW of Tehachapi, CA · 17721 days ago · 0 km deep · 80 km away
  18. 1.724km NNW of Tehachapi, CA · 17721 days ago · 6 km deep · 78 km away
  19. 1.824km NNW of Tehachapi, CA · 17721 days ago · 3 km deep · 80 km away
  20. 2.530km SW of Alpaugh, CA · 17720 days ago · 6 km deep · 44 km away
  21. 2.93km SE of Frazier Park, CA · 17720 days ago · 4 km deep · 79 km away
  22. 1.621km N of Tehachapi, CA · 17719 days ago · 6 km deep · 82 km away
  23. 2.418km NNW of Grapevine, CA · 17718 days ago · 6 km deep · 48 km away
  24. 1.716km N of Pine Mountain Club, CA · 17718 days ago · 14 km deep · 50 km away
  25. 2.73km SW of Lamont, CA · 17716 days ago · 7 km deep · 44 km away
  26. 1.919km SE of Bodfish, CA · 17712 days ago · 5 km deep · 93 km away
  27. 1.729km ENE of Santa Ynez, CA · 17712 days ago · 11 km deep · 84 km away
  28. 1.511km WSW of Grapevine, CA · 17711 days ago · 16 km deep · 63 km away
  29. 2.617km SE of Arvin, CA · 17709 days ago · 6 km deep · 71 km away
  30. 2.320km SSE of Bodfish, CA · 17708 days ago · 6 km deep · 87 km away
  31. 1.81km NE of Frazier Park, CA · 17707 days ago · 12 km deep · 75 km away
  32. 2.510km N of Ojai, CA · 17705 days ago · 0 km deep · 96 km away
  33. 3.125km SSW of Bodfish, CA · 17698 days ago · 1 km deep · 68 km away
  34. 1.722km NW of Tehachapi, CA · 17696 days ago · 2 km deep · 73 km away
  35. 2.618km NNW of Tehachapi, CA · 17694 days ago · 5 km deep · 77 km away
  36. 3.129km SW of Alpaugh, CA · 17694 days ago · 6 km deep · 46 km away
  37. 1.725km N of Tehachapi, CA · 17691 days ago · 0 km deep · 86 km away
  38. 1.66km NNE of Grapevine, CA · 17686 days ago · 18 km deep · 62 km away
  39. 1.716km S of Arvin, CA · 17684 days ago · 0 km deep · 62 km away

Before

  1. 2.35km SSE of Bodfish, CA · 17749 days ago · 6 km deep · 84 km away
  2. 2.23km S of Bodfish, CA · 17749 days ago · 6 km deep · 82 km away
  3. 1.722km SE of Arvin, CA · 17755 days ago · 11 km deep · 74 km away
  4. 1.98km N of Grapevine, CA · 17756 days ago · 7 km deep · 59 km away
  5. 2.511km ENE of Lebec, CA · 17758 days ago · 3 km deep · 79 km away
  6. 1.66km SE of Bodfish, CA · 17758 days ago · 6 km deep · 86 km away
  7. 1.89km SE of Lake Isabella, CA · 17758 days ago · 0 km deep · 92 km away
  8. 1.710km ESE of Lake Isabella, CA · 17758 days ago · 0 km deep · 93 km away
  9. 1.710km ESE of Lake Isabella, CA · 17758 days ago · 1 km deep · 93 km away
  10. 1.79km SE of Bodfish, CA · 17758 days ago · 6 km deep · 89 km away
  11. 1.620km NNW of Tehachapi, CA · 17760 days ago · 4 km deep · 77 km away
  12. 2.316km ESE of Arvin, CA · 17761 days ago · 10 km deep · 71 km away
  13. 1.815km NW of Grapevine, CA · 17761 days ago · 6 km deep · 50 km away
  14. 1.717km NW of Grapevine, CA · 17761 days ago · 6 km deep · 48 km away
  15. 1.618km NNW of Tehachapi, CA · 17761 days ago · 6 km deep · 77 km away
  16. 1.633km S of Simmler, CA · 17762 days ago · 6 km deep · 69 km away
  17. 1.820km E of Maricopa, CA · 17764 days ago · 6 km deep · 41 km away
  18. 2.223km NE of Arvin, CA · 17772 days ago · 8 km deep · 64 km away
  19. 2.813km SSW of Gorman, CA · 17773 days ago · 8 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3337537. Read Tue, Sep 22, 2026, 9:28 PM UTC.