California earthquakes

M1.8 earthquake 9km N of Anza, CA

A magnitude 1.8 earthquake struck 9km N of Anza, CA on Sun, Apr 28, 1985, 6:38 PM PDT (01:38 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.7 11km NNE of Aguanga, 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
1.8 (mc), micro
Local time
UTC
1985-04-29 01:38:30 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
33.637° N, 116.683° 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
43°
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: 187 in the 60 days after this one and 170 in the 30 days before it.

After

  1. 1.620km E of Julian, CA · 15130 days ago · 6 km deep · 71 km away
  2. 1.722km ESE of Anza, CA · 15129 days ago · 16 km deep · 27 km away
  3. 2.09km NE of Cabazon, CA · 15129 days ago · 9 km deep · 37 km away
  4. 1.96km SSE of Banning, CA · 15129 days ago · 13 km deep · 31 km away
  5. 1.64km SSE of Banning, CA · 15129 days ago · 16 km deep · 32 km away
  6. 1.86km S of Banning, CA · 15129 days ago · 16 km deep · 32 km away
  7. 1.65km SSE of Banning, CA · 15129 days ago · 16 km deep · 31 km away
  8. 1.811km NE of Aguanga, CA · 15128 days ago · 2 km deep · 17 km away
  9. 1.911km NE of Aguanga, CA · 15128 days ago · 1 km deep · 17 km away
  10. 1.810km SSW of Ocotillo Wells, CA · 15128 days ago · 4 km deep · 79 km away
  11. 1.821km ENE of Pine Valley, CA · 15128 days ago · 7 km deep · 86 km away
  12. 1.78km NNE of Green Acres, CA · 15128 days ago · 12 km deep · 39 km away
  13. 1.611km NE of Aguanga, CA · 15128 days ago · 1 km deep · 16 km away
  14. 1.54km ESE of Cabazon, CA · 15128 days ago · 16 km deep · 31 km away
  15. 1.610km WSW of Beaumont, CA · 15128 days ago · 16 km deep · 47 km away
  16. 1.74km SW of Idyllwild, CA · 15128 days ago · 13 km deep · 10 km away
  17. 1.78km E of Cabazon, CA · 15127 days ago · 13 km deep · 31 km away
  18. 1.722km ESE of Julian, CA · 15127 days ago · 3 km deep · 73 km away
  19. 1.811km SE of Hesperia, CA · 15127 days ago · 4 km deep · 94 km away
  20. 2.411km WSW of Anza, CA · 15127 days ago · 1 km deep · 16 km away
  21. 1.910km ESE of Lucerne Valley, CA · 15127 days ago · 6 km deep · 87 km away
  22. 1.911km SE of Hesperia, CA · 15127 days ago · 4 km deep · 94 km away
  23. 2.510km NE of Aguanga, CA · 15127 days ago · 1 km deep · 17 km away
  24. 1.511km NE of Aguanga, CA · 15127 days ago · 1 km deep · 16 km away
  25. 2.210km NE of Aguanga, CA · 15127 days ago · 1 km deep · 17 km away
  26. 1.910km SSW of Ocotillo Wells, CA · 15127 days ago · 4 km deep · 79 km away
  27. 1.610km NE of Borrego Springs, CA · 15127 days ago · 8 km deep · 51 km away
  28. 1.611km NE of Aguanga, CA · 15126 days ago · 2 km deep · 16 km away
  29. 1.711km WSW of Anza, CA · 15126 days ago · 2 km deep · 15 km away
  30. 2.22km S of Anza, CA · 15126 days ago · 9 km deep · 11 km away
  31. 1.911km WSW of Anza, CA · 15126 days ago · 0 km deep · 16 km away
  32. 2.011km NE of Aguanga, CA · 15126 days ago · 0 km deep · 16 km away
  33. 1.75km N of Banning, CA · 15126 days ago · 14 km deep · 42 km away
  34. 1.522km NE of Pine Valley, CA · 15126 days ago · 3 km deep · 80 km away
  35. 1.911km NE of Aguanga, CA · 15126 days ago · 1 km deep · 16 km away
  36. 1.910km ESE of Lucerne Valley, CA · 15126 days ago · 6 km deep · 86 km away
  37. 2.210km SE of Lucerne Valley, CA · 15126 days ago · 6 km deep · 85 km away
  38. 1.610km ESE of Lucerne Valley, CA · 15126 days ago · 6 km deep · 87 km away
  39. 1.922km NE of Big Bear City, CA · 15125 days ago · 1 km deep · 83 km away
  40. 1.525km NE of Big Bear City, CA · 15125 days ago · 4 km deep · 86 km away
  41. 2.512km WSW of Anza, CA · 15125 days ago · 1 km deep · 16 km away
  42. 2.320km NE of Big Bear City, CA · 15125 days ago · 1 km deep · 81 km away
  43. 1.62km SSE of Colton, CA · 15125 days ago · 16 km deep · 74 km away
  44. 2.419km NE of Big Bear City, CA · 15125 days ago · 1 km deep · 81 km away
  45. 2.212km WSW of Morongo Valley, CA · 15125 days ago · 12 km deep · 41 km away
  46. 1.811km SE of Hesperia, CA · 15125 days ago · 2 km deep · 95 km away
  47. 2.911km SE of Hesperia, CA · 15125 days ago · 1 km deep · 94 km away
  48. 2.911km SE of Hesperia, CA · 15125 days ago · 2 km deep · 94 km away
  49. 1.910km SE of Hesperia, CA · 15125 days ago · 4 km deep · 95 km away
  50. 1.811km SE of Hesperia, CA · 15125 days ago · 4 km deep · 94 km away
  51. 2.311km SE of Hesperia, CA · 15125 days ago · 4 km deep · 94 km away
  52. 1.511km SE of Hesperia, CA · 15125 days ago · 4 km deep · 93 km away
  53. 2.311km SE of Hesperia, CA · 15125 days ago · 5 km deep · 94 km away
  54. 1.69km NNE of Indio, CA · 15125 days ago · 8 km deep · 51 km away
  55. 1.711km W of Anza, CA · 15124 days ago · 2 km deep · 15 km away
  56. 1.612km SE of Hesperia, CA · 15124 days ago · 2 km deep · 94 km away
  57. 2.59km NNW of Cabazon, CA · 15124 days ago · 14 km deep · 42 km away
  58. 1.79km NE of Indio, CA · 15124 days ago · 7 km deep · 52 km away
  59. 1.822km ESE of Julian, CA · 15124 days ago · 5 km deep · 74 km away
  60. 1.62km ESE of Loma Linda, CA · 15124 days ago · 15 km deep · 68 km away

The first 60 of 187.

Before

  1. 3.22km S of Yucaipa, CA · 15130 days ago · 11 km deep · 54 km away
  2. 1.92km SSW of Yucaipa, CA · 15130 days ago · 12 km deep · 54 km away
  3. 1.56km E of Temecula, CA · 15130 days ago · 4 km deep · 40 km away
  4. 1.611km SE of Hesperia, CA · 15130 days ago · 2 km deep · 94 km away
  5. 1.511km NNE of Ocotillo Wells, CA · 15130 days ago · 8 km deep · 73 km away
  6. 1.913km N of Cabazon, CA · 15130 days ago · 12 km deep · 45 km away
  7. 2.110km ENE of Desert Hot Springs, CA · 15130 days ago · 2 km deep · 47 km away
  8. 1.916km ENE of Borrego Springs, CA · 15131 days ago · 9 km deep · 59 km away
  9. 1.620km ESE of Julian, CA · 15131 days ago · 2 km deep · 73 km away
  10. 2.02km W of Loma Linda, CA · 15131 days ago · 10 km deep · 72 km away
  11. 1.86km E of Ocotillo Wells, CA · 15131 days ago · 6 km deep · 80 km away
  12. 1.616km ENE of Borrego Springs, CA · 15131 days ago · 9 km deep · 58 km away
  13. 2.215km ENE of Borrego Springs, CA · 15131 days ago · 10 km deep · 58 km away
  14. 2.06km WNW of Lucerne Valley, CA · 15131 days ago · 4 km deep · 97 km away
  15. 2.18km WSW of Corona, CA · 15132 days ago · 3 km deep · 91 km away
  16. 1.720km E of Julian, CA · 15132 days ago · 5 km deep · 71 km away
  17. 1.713km SE of Anza, CA · 15132 days ago · 12 km deep · 20 km away
  18. 2.13km W of Loma Linda, CA · 15132 days ago · 11 km deep · 72 km away
  19. 2.016km ENE of Borrego Springs, CA · 15132 days ago · 11 km deep · 56 km away
  20. 2.116km ENE of Borrego Springs, CA · 15132 days ago · 10 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci65356. Read Wed, Sep 30, 2026, 3:26 PM UTC.