California earthquakes

M1.5 earthquake 6km W of Grapevine, CA

A magnitude 1.5 earthquake struck 6km W of Grapevine, CA on Mon, Sep 18, 1978, 3:28 PM PDT (22:28 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.5 6km SW of Santa Barbara, CA. This one was a foreshock.

Lake of the Woods 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
1.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-09-18 22:28:31 UTC
Depth
10.8 km (6.7 mi), shallow
Epicenter
34.950° N, 118.990° 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 1.0 km horizontally, 2.0 km in depth
Depth from
From location
Station coverage gap
177°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 2.38km S of Santa Barbara, CA · 17544 days ago · 10 km deep · 93 km away
  2. 1.713km SSW of Santa Barbara, CA · 17542 days ago · 6 km deep · 99 km away
  3. 1.71km ENE of Isla Vista, CA · 17542 days ago · 22 km deep · 99 km away
  4. 1.712km SSW of Santa Barbara, CA · 17541 days ago · 3 km deep · 99 km away
  5. 1.68km N of Sunland, CA · 17540 days ago · 2 km deep · 93 km away
  6. 2.011km SSW of Santa Barbara, CA · 17540 days ago · 0 km deep · 97 km away
  7. 3.56km SW of Santa Barbara, CA · 17540 days ago · 12 km deep · 93 km away
  8. 2.09km N of Mojave, CA · 17540 days ago · 5 km deep · 76 km away
  9. 1.89km SE of Isla Vista, CA · 17538 days ago · 6 km deep · 99 km away
  10. 2.57km ESE of Bodfish, CA · 17538 days ago · 5 km deep · 87 km away
  11. 2.58km SE of Lake Isabella, CA · 17538 days ago · 5 km deep · 87 km away
  12. 1.87km ESE of Bodfish, CA · 17538 days ago · 5 km deep · 86 km away
  13. 2.68km SE of Lake Isabella, CA · 17538 days ago · 4 km deep · 88 km away
  14. 1.67km ESE of Bodfish, CA · 17538 days ago · 7 km deep · 86 km away
  15. 2.022km ESE of Bodfish, CA · 17537 days ago · 6 km deep · 87 km away
  16. 1.912km WNW of Tehachapi, CA · 17537 days ago · 5 km deep · 46 km away
  17. 1.69km E of Santa Clarita, CA · 17536 days ago · 10 km deep · 79 km away
  18. 2.29km E of Santa Clarita, CA · 17536 days ago · 6 km deep · 79 km away
  19. 1.89km ESE of Lake Isabella, CA · 17536 days ago · 1 km deep · 90 km away
  20. 2.130km ESE of Lake Isabella, CA · 17536 days ago · 6 km deep · 96 km away
  21. 2.07km SSW of Santa Barbara, CA · 17535 days ago · 10 km deep · 94 km away
  22. 1.77km SE of Goleta, CA · 17535 days ago · 11 km deep · 95 km away
  23. 1.95km SE of Isla Vista, CA · 17534 days ago · 14 km deep · 99 km away
  24. 1.710km SE of Isla Vista, CA · 17534 days ago · 10 km deep · 98 km away
  25. 2.58km ESE of Bodfish, CA · 17531 days ago · 7 km deep · 86 km away
  26. 2.312km ESE of Maricopa, CA · 17529 days ago · 5 km deep · 28 km away
  27. 1.921km NNW of Tehachapi, CA · 17528 days ago · 3 km deep · 56 km away
  28. 1.87km SE of Isla Vista, CA · 17527 days ago · 11 km deep · 98 km away
  29. 2.315km W of Tehachapi, CA · 17527 days ago · 6 km deep · 40 km away
  30. 2.410km SE of Isla Vista, CA · 17526 days ago · 3 km deep · 99 km away
  31. 1.87km WSW of Santa Barbara, CA · 17524 days ago · 11 km deep · 95 km away
  32. 2.31km SW of Rosedale, CA · 17524 days ago · 6 km deep · 50 km away
  33. 2.68km SE of Lake Isabella, CA · 17524 days ago · 4 km deep · 88 km away
  34. 2.010km ESE of Lake Isabella, CA · 17523 days ago · 0 km deep · 89 km away
  35. 2.110km SSW of Santa Barbara, CA · 17523 days ago · 4 km deep · 97 km away
  36. 1.88km SW of Santa Barbara, CA · 17521 days ago · 11 km deep · 96 km away
  37. 1.624km SW of Maricopa, CA · 17520 days ago · 14 km deep · 53 km away
  38. 1.55km SE of Goleta, CA · 17520 days ago · 2 km deep · 95 km away
  39. 2.410km ESE of Bodfish, CA · 17519 days ago · 1 km deep · 87 km away
  40. 2.611km ESE of Wofford Heights, CA · 17519 days ago · 7 km deep · 99 km away
  41. 1.720km SE of Bodfish, CA · 17519 days ago · 6 km deep · 84 km away
  42. 1.921km SSW of Bodfish, CA · 17517 days ago · 5 km deep · 64 km away
  43. 2.211km NNE of Lake View Terrace, CA · 17517 days ago · 6 km deep · 91 km away
  44. 1.88km SE of Isla Vista, CA · 17516 days ago · 9 km deep · 98 km away
  45. 1.922km NNW of Tehachapi, CA · 17515 days ago · 6 km deep · 56 km away
  46. 1.610km WNW of Bodfish, CA · 17514 days ago · 6 km deep · 85 km away
  47. 1.77km WSW of Santa Barbara, CA · 17514 days ago · 12 km deep · 95 km away
  48. 2.414km E of Lake Isabella, CA · 17513 days ago · 6 km deep · 97 km away
  49. 1.810km S of Bodfish, CA · 17512 days ago · 6 km deep · 76 km away
  50. 1.812km SSW of Bodfish, CA · 17512 days ago · 6 km deep · 72 km away
  51. 2.43km S of Frazier Park, CA · 17511 days ago · 11 km deep · 18 km away
  52. 1.510km SE of Isla Vista, CA · 17508 days ago · 9 km deep · 98 km away
  53. 2.514km WNW of Grapevine, CA · 17507 days ago · 3 km deep · 9 km away
  54. 2.118km NNW of Tehachapi, CA · 17506 days ago · 4 km deep · 56 km away
  55. 1.917km SSW of Bodfish, CA · 17506 days ago · 6 km deep · 68 km away
  56. 2.019km NNW of Tehachapi, CA · 17506 days ago · 6 km deep · 54 km away
  57. 1.79km SW of Grapevine, CA · 17505 days ago · 15 km deep · 7 km away
  58. 1.76km WNW of Chatsworth, CA · 17504 days ago · 14 km deep · 80 km away
  59. 2.07km SE of Bodfish, CA · 17504 days ago · 6 km deep · 83 km away
  60. 3.26km NNW of Chatsworth, CA · 17504 days ago · 0 km deep · 79 km away

The first 60 of 95.

Before

  1. 2.59km SSE of Goleta, CA · 17546 days ago · 12 km deep · 97 km away
  2. 2.812km S of Santa Barbara, CA · 17547 days ago · 12 km deep · 96 km away
  3. 1.812km SSW of Santa Barbara, CA · 17548 days ago · 0 km deep · 99 km away
  4. 2.08km SSW of Santa Barbara, CA · 17548 days ago · 11 km deep · 95 km away
  5. 2.38km ESE of Bodfish, CA · 17548 days ago · 6 km deep · 87 km away
  6. 1.622km NE of Arvin, CA · 17549 days ago · 1 km deep · 54 km away
  7. 1.920km NW of Grapevine, CA · 17551 days ago · 0 km deep · 17 km away
  8. 1.610km ESE of Santa Clarita, CA · 17551 days ago · 2 km deep · 83 km away
  9. 1.817km S of Santa Barbara, CA · 17551 days ago · 6 km deep · 98 km away
  10. 3.56km WSW of Santa Barbara, CA · 17551 days ago · 15 km deep · 94 km away
  11. 1.69km ENE of Santa Clarita, CA · 17552 days ago · 5 km deep · 77 km away
  12. 1.99km E of Santa Clarita, CA · 17552 days ago · 11 km deep · 80 km away
  13. 2.17km SSE of Goleta, CA · 17553 days ago · 11 km deep · 96 km away
  14. 2.56km SE of Goleta, CA · 17553 days ago · 11 km deep · 96 km away
  15. 1.92km S of Montecito, CA · 17553 days ago · 6 km deep · 84 km away
  16. 1.615km N of Grapevine, CA · 17556 days ago · 10 km deep · 16 km away
  17. 1.69km SW of Santa Barbara, CA · 17556 days ago · 16 km deep · 97 km away
  18. 2.77km SSW of Santa Barbara, CA · 17556 days ago · 12 km deep · 94 km away
  19. 1.714km W of Ventura, CA · 17556 days ago · 0 km deep · 86 km away
  20. 2.16km S of Santa Barbara, CA · 17557 days ago · 11 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3341862. Read Thu, Oct 1, 2026, 8:58 PM UTC.