California earthquakes

M1.8 earthquake 21km NW of Grapevine, CA

A magnitude 1.8 earthquake struck 21km NW of Grapevine, CA on Wed, Jul 18, 1984, 12:44 AM PDT (07:44 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.2 6km ESE of Santa Clarita, 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
1.8 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1984-07-18 07:44:28 UTC
Depth
14.6 km (9.1 mi), shallow
Epicenter
35.082° N, 119.089° 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.

Depth from
From location
Station coverage gap
0°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 1.720km NW of Grapevine, CA · 15417 days ago · 16 km deep · 2 km away
  2. 2.76km ENE of Carpinteria, CA · 15415 days ago · 5 km deep · 82 km away
  3. 1.721km NNW of Tehachapi, CA · 15414 days ago · 5 km deep · 54 km away
  4. 1.726km NNW of Tehachapi, CA · 15414 days ago · 5 km deep · 56 km away
  5. 2.020km NW of Grapevine, CA · 15414 days ago · 16 km deep · 1 km away
  6. 2.19km SSW of Ojai, CA · 15410 days ago · 3 km deep · 80 km away
  7. 1.719km NNW of Grapevine, CA · 15410 days ago · 15 km deep · 4 km away
  8. 1.814km SSW of Arvin, CA · 15410 days ago · 5 km deep · 17 km away
  9. 1.514km SW of Arvin, CA · 15410 days ago · 5 km deep · 16 km away
  10. 1.629km NE of Tehachapi, CA · 15410 days ago · 5 km deep · 83 km away
  11. 2.57km S of Agua Dulce, CA · 15409 days ago · 1 km deep · 100 km away
  12. 2.025km N of Tehachapi, CA · 15409 days ago · 5 km deep · 65 km away
  13. 1.517 km NW of Lost Hills, California · 15408 days ago · 21 km deep · 99 km away
  14. 2.225km NNW of Tehachapi, CA · 15406 days ago · 6 km deep · 57 km away
  15. 1.816km N of Fillmore, CA · 15406 days ago · 0 km deep · 62 km away
  16. 1.524km NNW of Tehachapi, CA · 15405 days ago · 7 km deep · 57 km away
  17. 2.012km NE of Santa Ynez, CA · 15403 days ago · -1 km deep · 92 km away
  18. 2.17km SSW of Montecito, CA · 15402 days ago · 5 km deep · 93 km away
  19. 1.811km NNW of Mojave, CA · 15402 days ago · 8 km deep · 79 km away
  20. 1.717km NW of Tehachapi, CA · 15401 days ago · 5 km deep · 50 km away
  21. 2.419km NW of Grapevine, CA · 15400 days ago · 20 km deep · 2 km away
  22. 2.617km NW of Grapevine, CA · 15400 days ago · 16 km deep · 5 km away
  23. 1.922km NW of Grapevine, CA · 15400 days ago · 14 km deep · 1 km away
  24. 2.620km NW of Grapevine, CA · 15400 days ago · 17 km deep · 1 km away
  25. 2.77km E of Santa Clarita, CA · 15399 days ago · 11 km deep · 96 km away
  26. 1.96km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  27. 2.26km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  28. 3.26km ESE of Santa Clarita, CA · 15399 days ago · 5 km deep · 95 km away
  29. 2.17km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  30. 1.86km ESE of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  31. 1.521km NW of Grapevine, CA · 15399 days ago · 20 km deep · 0 km away
  32. 2.96km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  33. 2.47km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  34. 2.16km ESE of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  35. 1.56km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 96 km away
  36. 1.56km E of Santa Clarita, CA · 15399 days ago · 5 km deep · 95 km away
  37. 2.55km ESE of Goleta, CA · 15398 days ago · 1 km deep · 97 km away
  38. 2.15km ESE of Goleta, CA · 15398 days ago · 1 km deep · 97 km away
  39. 2.320km NW of Tehachapi, CA · 15397 days ago · 6 km deep · 49 km away
  40. 1.57km E of Santa Clarita, CA · 15397 days ago · 5 km deep · 95 km away
  41. 1.914km NW of Grapevine, CA · 15397 days ago · 2 km deep · 7 km away
  42. 1.622km ESE of Bodfish, CA · 15397 days ago · 10 km deep · 88 km away
  43. 1.922km ESE of Lake Isabella, CA · 15397 days ago · 10 km deep · 90 km away
  44. 1.58km ESE of Santa Clarita, CA · 15396 days ago · 5 km deep · 98 km away
  45. 2.47km SW of Santa Barbara, CA · 15396 days ago · 3 km deep · 99 km away
  46. 1.520km ESE of Lake Isabella, CA · 15396 days ago · 7 km deep · 89 km away
  47. 2.120km NW of Grapevine, CA · 15395 days ago · 14 km deep · 3 km away
  48. 2.34km NNE of Lake Isabella, CA · 15395 days ago · 2 km deep · 85 km away
  49. 1.825km NNW of Tehachapi, CA · 15394 days ago · 5 km deep · 55 km away
  50. 2.34km NNE of Lake Isabella, CA · 15392 days ago · 3 km deep · 85 km away
  51. 2.820km N of Tehachapi, CA · 15391 days ago · 4 km deep · 60 km away
  52. 3.020km NNW of Tehachapi, CA · 15391 days ago · 5 km deep · 60 km away
  53. 2.15km NE of Lake Isabella, CA · 15390 days ago · 2 km deep · 86 km away
  54. 1.68km ESE of Santa Clarita, CA · 15390 days ago · 2 km deep · 97 km away
  55. 1.517km S of Bodfish, CA · 15389 days ago · 4 km deep · 66 km away
  56. 1.720km NNW of Tehachapi, CA · 15388 days ago · 4 km deep · 59 km away
  57. 1.620km NNW of Tehachapi, CA · 15388 days ago · 4 km deep · 59 km away
  58. 1.714km NE of Taft, CA · 15388 days ago · 5 km deep · 30 km away
  59. 1.622km NW of Grapevine, CA · 15386 days ago · 14 km deep · 1 km away
  60. 1.720km NW of Grapevine, CA · 15386 days ago · 17 km deep · 2 km away

The first 60 of 80.

Before

  1. 2.420km NW of Grapevine, CA · 15417 days ago · 16 km deep · 1 km away
  2. 2.218km NW of Grapevine, CA · 15417 days ago · 20 km deep · 3 km away
  3. 2.520km NW of Grapevine, CA · 15417 days ago · 14 km deep · 2 km away
  4. 1.620km NW of Grapevine, CA · 15417 days ago · 14 km deep · 1 km away
  5. 1.920km NW of Grapevine, CA · 15417 days ago · 14 km deep · 1 km away
  6. 2.021km NW of Grapevine, CA · 15417 days ago · 13 km deep · 1 km away
  7. 2.021km NW of Grapevine, CA · 15417 days ago · 14 km deep · 1 km away
  8. 3.220km NW of Grapevine, CA · 15417 days ago · 14 km deep · 1 km away
  9. 2.020km NNW of Tehachapi, CA · 15417 days ago · 5 km deep · 60 km away
  10. 1.911km NNW of Taft, CA · 15418 days ago · 21 km deep · 41 km away
  11. 1.910km SSW of Agua Dulce, CA · 15419 days ago · 5 km deep · 98 km away
  12. 1.55km NE of Santa Paula, CA · 15420 days ago · 3 km deep · 78 km away
  13. 1.621km NNW of Tehachapi, CA · 15421 days ago · 4 km deep · 59 km away
  14. 1.811km NW of Piru, CA · 15422 days ago · 4 km deep · 69 km away
  15. 1.513km SSE of Bodfish, CA · 15424 days ago · 7 km deep · 74 km away
  16. 3.19km ESE of Piru, CA · 15426 days ago · 1 km deep · 84 km away
  17. 2.08km E of Piru, CA · 15426 days ago · 7 km deep · 83 km away
  18. 1.713km SSW of Tehachapi, CA · 15427 days ago · 5 km deep · 55 km away
  19. 2.024km NNE of Arvin, CA · 15428 days ago · 4 km deep · 50 km away
  20. 2.47km ESE of Carpinteria, CA · 15428 days ago · 10 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci45477. Read Sat, Oct 3, 2026, 6:51 AM UTC.