California earthquakes

M1.5 earthquake 11km SE of Anza, CA

A magnitude 1.5 earthquake struck 11km SE of Anza, CA on Wed, Oct 11, 1978, 7:49 PM PDT (02:49 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.3 12km SSW of Big Bear Lake, CA. This one was a foreshock.

Anza 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 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-10-12 02:49:48 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
33.478° N, 116.601° 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 0.5 km horizontally, 2.2 km in depth
Depth from
From location
Station coverage gap
126°
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: 172 in the 60 days after this one and 171 in the 30 days before it.

After

  1. 1.86km SE of Borrego Springs, CA · 17523 days ago · 9 km deep · 38 km away
  2. 1.720km ENE of Pine Valley, CA · 17523 days ago · 6 km deep · 67 km away
  3. 1.610km NE of Running Springs, CA · 17523 days ago · 5 km deep · 98 km away
  4. 2.423km ENE of Coachella, CA · 17523 days ago · 3 km deep · 68 km away
  5. 1.923km ENE of Coachella, CA · 17523 days ago · 3 km deep · 68 km away
  6. 1.618km ESE of Anza, CA · 17523 days ago · 6 km deep · 11 km away
  7. 2.07km NE of Yucca Valley, CA · 17522 days ago · 2 km deep · 79 km away
  8. 1.69km NE of Running Springs, CA · 17522 days ago · 5 km deep · 98 km away
  9. 1.711km SSW of Calimesa, CA · 17522 days ago · 17 km deep · 65 km away
  10. 1.67km NNE of Moreno Valley, CA · 17522 days ago · 14 km deep · 78 km away
  11. 1.515km ESE of Julian, CA · 17521 days ago · 15 km deep · 50 km away
  12. 2.42km NW of Loma Linda, CA · 17520 days ago · 17 km deep · 90 km away
  13. 2.614km NW of Twentynine Palms, CA · 17520 days ago · 8 km deep · 92 km away
  14. 1.914km NW of Twentynine Palms, CA · 17520 days ago · 10 km deep · 92 km away
  15. 1.727km WNW of Desert Center, CA · 17520 days ago · 6 km deep · 91 km away
  16. 2.715km NW of Twentynine Palms, CA · 17520 days ago · 5 km deep · 92 km away
  17. 1.628km N of Yucca Valley, CA · 17519 days ago · 0 km deep · 100 km away
  18. 1.610km NNE of Banning, CA · 17519 days ago · 20 km deep · 64 km away
  19. 1.70km SE of Loma Linda, CA · 17519 days ago · 11 km deep · 88 km away
  20. 2.39km NNE of Indio, CA · 17518 days ago · 5 km deep · 52 km away
  21. 1.69km NNE of Indio, CA · 17518 days ago · 6 km deep · 52 km away
  22. 2.514km NW of Twentynine Palms, CA · 17518 days ago · 7 km deep · 92 km away
  23. 1.810km NE of Running Springs, CA · 17518 days ago · 3 km deep · 97 km away
  24. 1.89km NE of Running Springs, CA · 17518 days ago · 5 km deep · 98 km away
  25. 2.527km E of Pine Valley, CA · 17518 days ago · 15 km deep · 75 km away
  26. 1.910km SW of Idyllwild, CA · 17518 days ago · 15 km deep · 30 km away
  27. 2.21km ESE of Loma Linda, CA · 17518 days ago · 17 km deep · 87 km away
  28. 1.811km SW of Morongo Valley, CA · 17518 days ago · 16 km deep · 57 km away
  29. 1.97km SE of Valle Vista, CA · 17518 days ago · 15 km deep · 34 km away
  30. 1.710km WNW of Garnet, CA · 17517 days ago · 17 km deep · 52 km away
  31. 1.76km SW of Salton City, CA · 17517 days ago · 6 km deep · 61 km away
  32. 1.814km NNW of Bombay Beach, CA · 17517 days ago · 6 km deep · 75 km away
  33. 1.615km SE of Anza, CA · 17517 days ago · 11 km deep · 4 km away
  34. 1.823km NE of Pine Valley, CA · 17516 days ago · 6 km deep · 65 km away
  35. 1.512km NE of Coachella, CA · 17516 days ago · 6 km deep · 57 km away
  36. 1.810km SE of Anza, CA · 17516 days ago · 6 km deep · 1 km away
  37. 1.622km SW of Westmorland, CA · 17516 days ago · 8 km deep · 98 km away
  38. 1.614km NW of Twentynine Palms, CA · 17515 days ago · 11 km deep · 91 km away
  39. 2.714km NW of Twentynine Palms, CA · 17515 days ago · 8 km deep · 92 km away
  40. 3.214km NW of Twentynine Palms, CA · 17515 days ago · 7 km deep · 91 km away
  41. 1.514km NW of Twentynine Palms, CA · 17515 days ago · 10 km deep · 91 km away
  42. 1.527km WNW of Desert Center, CA · 17515 days ago · 6 km deep · 91 km away
  43. 2.127km WNW of Desert Center, CA · 17515 days ago · 3 km deep · 91 km away
  44. 1.81km ESE of Loma Linda, CA · 17514 days ago · 6 km deep · 87 km away
  45. 1.711km SE of Anza, CA · 17514 days ago · 15 km deep · 0 km away
  46. 1.722km ENE of Pine Valley, CA · 17513 days ago · 6 km deep · 66 km away
  47. 1.714km NW of Twentynine Palms, CA · 17513 days ago · 10 km deep · 91 km away
  48. 1.826km WNW of Desert Center, CA · 17513 days ago · 5 km deep · 93 km away
  49. 2.525km NNW of Joshua Tree, CA · 17513 days ago · 5 km deep · 97 km away
  50. 1.914km NW of Ocotillo, CA · 17512 days ago · 7 km deep · 86 km away
  51. 1.713km ENE of Borrego Springs, CA · 17512 days ago · 7 km deep · 37 km away
  52. 1.623km ENE of Coachella, CA · 17512 days ago · 6 km deep · 69 km away
  53. 1.527km WNW of Desert Center, CA · 17512 days ago · 6 km deep · 91 km away
  54. 1.722km NE of Thermal, CA · 17512 days ago · 4 km deep · 68 km away
  55. 1.522km NE of Thermal, CA · 17512 days ago · 4 km deep · 68 km away
  56. 1.621km NE of Thermal, CA · 17512 days ago · 6 km deep · 67 km away
  57. 1.621km ENE of Coachella, CA · 17512 days ago · 2 km deep · 67 km away
  58. 1.921km NE of Thermal, CA · 17512 days ago · 3 km deep · 67 km away
  59. 1.99km NNE of Indio, CA · 17512 days ago · 5 km deep · 52 km away
  60. 1.817km ESE of Anza, CA · 17512 days ago · 16 km deep · 9 km away

The first 60 of 172.

Before

  1. 1.524km ENE of Coachella, CA · 17523 days ago · 3 km deep · 69 km away
  2. 1.810km NE of Running Springs, CA · 17523 days ago · 5 km deep · 98 km away
  3. 2.311km SE of Anza, CA · 17523 days ago · 5 km deep · 0 km away
  4. 1.79km NE of Running Springs, CA · 17524 days ago · 6 km deep · 98 km away
  5. 3.010km NE of Running Springs, CA · 17524 days ago · 6 km deep · 97 km away
  6. 2.17km SE of Valle Vista, CA · 17524 days ago · 14 km deep · 33 km away
  7. 1.68km ESE of Julian, CA · 17524 days ago · 8 km deep · 48 km away
  8. 1.521km NE of Thermal, CA · 17524 days ago · 2 km deep · 67 km away
  9. 2.38km S of Idyllwild, CA · 17524 days ago · 15 km deep · 24 km away
  10. 2.123km ENE of Coachella, CA · 17524 days ago · 3 km deep · 69 km away
  11. 2.49km NE of Running Springs, CA · 17525 days ago · 5 km deep · 98 km away
  12. 1.521km NE of Thermal, CA · 17525 days ago · 6 km deep · 67 km away
  13. 1.723km NE of Thermal, CA · 17525 days ago · 6 km deep · 68 km away
  14. 1.516km ENE of Thermal, CA · 17525 days ago · 10 km deep · 63 km away
  15. 1.86km N of Beaumont, CA · 17525 days ago · 14 km deep · 66 km away
  16. 1.624km ENE of Coachella, CA · 17525 days ago · 1 km deep · 69 km away
  17. 1.923km ENE of Coachella, CA · 17526 days ago · 3 km deep · 68 km away
  18. 1.89km NE of Running Springs, CA · 17526 days ago · 6 km deep · 97 km away
  19. 2.313km SE of Anza, CA · 17526 days ago · 11 km deep · 2 km away
  20. 1.815km SSW of Ocotillo Wells, CA · 17526 days ago · 7 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3313705. Read Sat, Oct 3, 2026, 5:12 AM UTC.