California earthquakes

M1.5 earthquake 23km NW of Grapevine, CA

A magnitude 1.5 earthquake struck 23km NW of Grapevine, CA on Sat, Sep 26, 1981, 7:33 PM PDT (02:33 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M1.9 5km ENE of Lamont, 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
1.5 (mh), micro
Local time
UTC
1981-09-27 02:33:39 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
35.066° N, 119.137° 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 0.8 km horizontally, 1.6 km in depth
Depth from
From location
Station coverage gap
115°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.95km ENE of Lamont, CA · 16431 days ago · 5 km deep · 34 km away
  2. 1.627km SSW of Bodfish, CA · 16430 days ago · 5 km deep · 60 km away
  3. 1.56km ESE of Bodfish, CA · 16429 days ago · 3 km deep · 84 km away
  4. 1.54km SSW of Valencia, CA · 16428 days ago · 16 km deep · 88 km away
  5. 1.916km ESE of Pixley, CA · 16427 days ago · 5 km deep · 92 km away
  6. 1.515km ESE of Arvin, CA · 16424 days ago · 6 km deep · 44 km away
  7. 1.521km SSE of Carpinteria, CA · 16423 days ago · 12 km deep · 98 km away
  8. 1.616km NNW of Pine Mountain Club, CA · 16419 days ago · 2 km deep · 9 km away
  9. 1.813km NNW of Mojave, CA · 16419 days ago · 5 km deep · 85 km away
  10. 2.423km ENE of Santa Maria, CA · 16418 days ago · 11 km deep · 99 km away
  11. 2.013km NNW of Mojave, CA · 16417 days ago · 5 km deep · 85 km away
  12. 1.715km SSE of Santa Barbara, CA · 16416 days ago · 5 km deep · 97 km away
  13. 2.07km SE of Santa Clarita, CA · 16414 days ago · 11 km deep · 99 km away
  14. 1.82km NNE of Grapevine, CA · 16412 days ago · 13 km deep · 23 km away
  15. 2.313km SSE of Bodfish, CA · 16411 days ago · 2 km deep · 78 km away
  16. 1.812km NNE of Grapevine, CA · 16411 days ago · 3 km deep · 21 km away
  17. 1.923km ENE of Arvin, CA · 16409 days ago · 4 km deep · 55 km away
  18. 2.018km SSE of Arvin, CA · 16407 days ago · 3 km deep · 36 km away
  19. 2.116km N of Mojave, CA · 16407 days ago · 5 km deep · 90 km away
  20. 2.023km NW of Tehachapi, CA · 16406 days ago · 5 km deep · 56 km away
  21. 1.517km SSW of Lamont, CA · 16404 days ago · 5 km deep · 15 km away
  22. 1.517km SSW of Lamont, CA · 16404 days ago · 5 km deep · 13 km away
  23. 1.618km SE of Bodfish, CA · 16403 days ago · 5 km deep · 84 km away
  24. 1.59km WNW of Pine Mountain Club, CA · 16401 days ago · 9 km deep · 23 km away
  25. 3.06km N of Granada Hills, CA · 16400 days ago · 4 km deep · 100 km away
  26. 1.88km NNW of Granada Hills, CA · 16400 days ago · 3 km deep · 99 km away
  27. 1.77km NNW of Granada Hills, CA · 16400 days ago · 9 km deep · 99 km away
  28. 2.418km ESE of Maricopa, CA · 16398 days ago · 5 km deep · 8 km away
  29. 1.625km ENE of Arvin, CA · 16397 days ago · 5 km deep · 57 km away
  30. 1.618km NNW of Mojave, CA · 16397 days ago · 5 km deep · 84 km away
  31. 1.719km NW of Grapevine, CA · 16394 days ago · 5 km deep · 7 km away
  32. 1.512km W of Grapevine, CA · 16393 days ago · 5 km deep · 13 km away
  33. 1.514km ESE of Bodfish, CA · 16393 days ago · 5 km deep · 87 km away
  34. 1.69km NNW of Grapevine, CA · 16393 days ago · 3 km deep · 17 km away
  35. 2.120km ENE of Arvin, CA · 16392 days ago · 5 km deep · 52 km away
  36. 2.57km NW of Castaic, CA · 16390 days ago · 4 km deep · 73 km away
  37. 1.521km NW of Grapevine, CA · 16390 days ago · -2 km deep · 3 km away
  38. 2.07km ESE of Bodfish, CA · 16390 days ago · 6 km deep · 85 km away
  39. 3.04km SSW of Montecito, CA · 16388 days ago · 13 km deep · 87 km away
  40. 1.718km NW of Tehachapi, CA · 16388 days ago · 3 km deep · 56 km away
  41. 2.03km SSW of Montecito, CA · 16388 days ago · 14 km deep · 87 km away
  42. 1.59km E of Piru, CA · 16388 days ago · 14 km deep · 83 km away
  43. 2.39km E of Piru, CA · 16388 days ago · 2 km deep · 83 km away
  44. 1.74km S of Montecito, CA · 16387 days ago · 11 km deep · 87 km away
  45. 4.718km N of Pine Mountain Club, CA · 16387 days ago · 7 km deep · 6 km away
  46. 2.518km N of Pine Mountain Club, CA · 16387 days ago · 2 km deep · 6 km away
  47. 4.219km N of Pine Mountain Club, CA · 16387 days ago · 0 km deep · 7 km away
  48. 2.622km WNW of Grapevine, CA · 16387 days ago · -1 km deep · 3 km away
  49. 2.720km N of Pine Mountain Club, CA · 16387 days ago · 1 km deep · 7 km away
  50. 1.620km N of Pine Mountain Club, CA · 16387 days ago · -1 km deep · 5 km away
  51. 2.622km N of Pine Mountain Club, CA · 16387 days ago · -1 km deep · 3 km away
  52. 2.620km N of Pine Mountain Club, CA · 16387 days ago · -1 km deep · 4 km away
  53. 1.618km N of Pine Mountain Club, CA · 16387 days ago · 5 km deep · 6 km away
  54. 2.218km N of Pine Mountain Club, CA · 16387 days ago · 3 km deep · 8 km away
  55. 2.219km N of Pine Mountain Club, CA · 16387 days ago · 0 km deep · 5 km away
  56. 3.220km N of Pine Mountain Club, CA · 16387 days ago · 0 km deep · 5 km away
  57. 3.121km N of Pine Mountain Club, CA · 16387 days ago · -1 km deep · 5 km away
  58. 1.620km NW of Grapevine, CA · 16387 days ago · 1 km deep · 5 km away
  59. 1.918km N of Pine Mountain Club, CA · 16387 days ago · 4 km deep · 6 km away
  60. 1.719km N of Pine Mountain Club, CA · 16387 days ago · 0 km deep · 5 km away

The first 60 of 90.

Before

  1. 1.523km WSW of Maricopa, CA · 16433 days ago · 9 km deep · 45 km away
  2. 2.54km SSW of Valencia, CA · 16433 days ago · 10 km deep · 87 km away
  3. 1.54km SW of Valencia, CA · 16435 days ago · 17 km deep · 87 km away
  4. 1.94km SSW of Valencia, CA · 16435 days ago · 14 km deep · 87 km away
  5. 2.44km NNE of Simi Valley, CA · 16438 days ago · 21 km deep · 93 km away
  6. 2.14km NNE of Simi Valley, CA · 16439 days ago · 20 km deep · 93 km away
  7. 1.83km WNW of Bakersfield, CA · 16439 days ago · 5 km deep · 34 km away
  8. 1.616km NW of Tehachapi, CA · 16440 days ago · 6 km deep · 55 km away
  9. 1.510km ENE of Pine Mountain Club, CA · 16442 days ago · 7 km deep · 21 km away
  10. 1.722km NW of Grapevine, CA · 16442 days ago · 0 km deep · 2 km away
  11. 1.515km NW of Tehachapi, CA · 16442 days ago · 7 km deep · 55 km away
  12. 2.02km NNE of Simi Valley, CA · 16443 days ago · 24 km deep · 94 km away
  13. 2.85km NE of Simi Valley, CA · 16443 days ago · 17 km deep · 93 km away
  14. 1.511km SE of Tehachapi, CA · 16443 days ago · 5 km deep · 70 km away
  15. 1.94km SSE of Carpinteria, CA · 16445 days ago · 0 km deep · 84 km away
  16. 1.522km NNW of Tehachapi, CA · 16452 days ago · 4 km deep · 61 km away
  17. 2.019km SSE of Carpinteria, CA · 16452 days ago · 12 km deep · 98 km away
  18. 1.519km SSE of Carpinteria, CA · 16452 days ago · 15 km deep · 97 km away
  19. 2.28km N of Santa Barbara, CA · 16458 days ago · 4 km deep · 82 km away
  20. 2.67km ENE of Santa Clarita, CA · 16460 days ago · 9 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci523660. Read Tue, Sep 22, 2026, 9:29 PM UTC.