California earthquakes

M1.7 earthquake 9km NNE of Grapevine, CA

A magnitude 1.7 earthquake struck 9km NNE of Grapevine, CA on Wed, Apr 29, 1981, 11:51 PM PDT (06:51 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.0 6km SW of Tehachapi, 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
1981-04-30 06:51:40 UTC
Depth
12.6 km (7.9 mi), shallow
Epicenter
35.021° N, 118.897° 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 3.6 km horizontally, 4.8 km in depth
Depth from
From location
Station coverage gap
118°
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: 40 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 2.012km NNE of Taft, CA · 16590 days ago · 14 km deep · 52 km away
  2. 2.015km SSE of Bodfish, CA · 16588 days ago · 5 km deep · 65 km away
  3. 2.15km N of Sunland, CA · 16586 days ago · 3 km deep · 96 km away
  4. 2.510km S of Tehachapi, CA · 16584 days ago · 6 km deep · 42 km away
  5. 1.917km SW of Lamont, CA · 16584 days ago · 14 km deep · 18 km away
  6. 2.223km ENE of Arvin, CA · 16584 days ago · 1 km deep · 42 km away
  7. 1.66km ENE of Buttonwillow, CA · 16584 days ago · 20 km deep · 64 km away
  8. 2.511km E of Santa Clarita, CA · 16581 days ago · 5 km deep · 83 km away
  9. 1.65km NW of Frazier Park, CA · 16580 days ago · 1 km deep · 20 km away
  10. 2.121km NW of Tehachapi, CA · 16578 days ago · 3 km deep · 41 km away
  11. 2.09km W of Grapevine, CA · 16574 days ago · 11 km deep · 14 km away
  12. 2.126km SSW of Bodfish, CA · 16570 days ago · -1 km deep · 49 km away
  13. 1.922km NNE of Ojai, CA · 16567 days ago · 2 km deep · 49 km away
  14. 1.624km S of Bodfish, CA · 16566 days ago · 5 km deep · 51 km away
  15. 1.921km N of Pine Mountain Club, CA · 16566 days ago · 10 km deep · 22 km away
  16. 2.01km NNW of West Hills, CA · 16561 days ago · 3 km deep · 94 km away
  17. 2.425km SSW of Bodfish, CA · 16559 days ago · 4 km deep · 49 km away
  18. 1.526km SSW of Bodfish, CA · 16559 days ago · 5 km deep · 47 km away
  19. 1.626km NNW of Tehachapi, CA · 16553 days ago · 5 km deep · 49 km away
  20. 1.525km NE of Arvin, CA · 16552 days ago · 5 km deep · 46 km away
  21. 2.011km ESE of Lake Isabella, CA · 16552 days ago · 3 km deep · 80 km away
  22. 2.415km NW of Grapevine, CA · 16552 days ago · -1 km deep · 14 km away
  23. 1.715km SW of Rosedale, CA · 16551 days ago · 5 km deep · 44 km away
  24. 1.613km NNW of Grapevine, CA · 16551 days ago · -1 km deep · 7 km away
  25. 1.57km ESE of Carpinteria, CA · 16549 days ago · 13 km deep · 88 km away
  26. 3.28km SSE of Tehachapi, CA · 16547 days ago · 1 km deep · 44 km away
  27. 3.811km NE of Simi Valley, CA · 16547 days ago · 13 km deep · 77 km away
  28. 2.35km WSW of Valencia, CA · 16546 days ago · 4 km deep · 71 km away
  29. 1.83km WSW of Maricopa, CA · 16545 days ago · 0 km deep · 49 km away
  30. 2.212km SE of Lake Isabella, CA · 16544 days ago · 9 km deep · 77 km away
  31. 2.212km N of Mojave, CA · 16538 days ago · 5 km deep · 66 km away
  32. 4.06km SW of Tehachapi, CA · 16537 days ago · 0 km deep · 37 km away
  33. 1.622km WSW of Maricopa, CA · 16537 days ago · 13 km deep · 65 km away
  34. 1.98km N of Rosedale, CA · 16536 days ago · 4 km deep · 53 km away
  35. 1.721km NNW of Tehachapi, CA · 16534 days ago · 2 km deep · 43 km away
  36. 1.76km NNW of Sunland, CA · 16534 days ago · 2 km deep · 95 km away
  37. 1.924km N of Tehachapi, CA · 16534 days ago · 5 km deep · 52 km away
  38. 1.612km N of Mojave, CA · 16533 days ago · 5 km deep · 66 km away
  39. 2.015km N of Pine Mountain Club, CA · 16530 days ago · 12 km deep · 21 km away
  40. 2.98km SE of Gorman, CA · 16530 days ago · 12 km deep · 32 km away

Before

  1. 1.55km ESE of Santa Clarita, CA · 16591 days ago · 15 km deep · 80 km away
  2. 1.614km E of Lake Isabella, CA · 16591 days ago · 4 km deep · 85 km away
  3. 2.715km E of Lake Isabella, CA · 16591 days ago · 2 km deep · 86 km away
  4. 2.421km NNW of Tehachapi, CA · 16594 days ago · 4 km deep · 49 km away
  5. 2.019km NW of Grapevine, CA · 16595 days ago · -1 km deep · 18 km away
  6. 1.84km ESE of Bodfish, CA · 16596 days ago · 4 km deep · 73 km away
  7. 2.08km SE of Lake Isabella, CA · 16596 days ago · 4 km deep · 76 km away
  8. 1.619km SSW of Lamont, CA · 16597 days ago · 2 km deep · 13 km away
  9. 1.511km NW of Fillmore, CA · 16598 days ago · 1 km deep · 62 km away
  10. 1.719km SSE of Arvin, CA · 16598 days ago · 9 km deep · 16 km away
  11. 1.622km NNW of Tehachapi, CA · 16599 days ago · 0 km deep · 44 km away
  12. 1.921km NNW of Tehachapi, CA · 16602 days ago · 4 km deep · 48 km away
  13. 2.923km NNW of Tehachapi, CA · 16602 days ago · -1 km deep · 44 km away
  14. 2.122km NNW of Tehachapi, CA · 16603 days ago · 5 km deep · 49 km away
  15. 2.018km N of Pine Mountain Club, CA · 16605 days ago · 1 km deep · 20 km away
  16. 1.512km NW of Fillmore, CA · 16605 days ago · 4 km deep · 62 km away
  17. 1.725km SSW of Bodfish, CA · 16606 days ago · 6 km deep · 49 km away
  18. 3.125km N of Tehachapi, CA · 16608 days ago · 0 km deep · 53 km away
  19. 1.925km NNE of California City, CA · 16608 days ago · 5 km deep · 95 km away
  20. 1.58km NW of Kernville, CA · 16613 days ago · 5 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci515069. Read Thu, Oct 1, 2026, 2:06 AM UTC.