California earthquakes

M1.5 earthquake 11km W of Anza, CA

A magnitude 1.5 earthquake struck 11km W of Anza, CA on Sat, Apr 20, 1985, 6:28 AM PST (14:28 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M1.6 9km W of Anza, 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
Local time
UTC
1985-04-20 14:28:36 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
33.554° N, 116.790° 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
94°
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: 182 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.69km W of Anza, CA · 15090 days ago · 4 km deep · 1 km away
  2. 1.823km S of Twentynine Palms, CA · 15090 days ago · 1 km deep · 82 km away
  3. 1.521km ESE of Julian, CA · 15089 days ago · 2 km deep · 69 km away
  4. 2.17km N of Big Bear City, CA · 15089 days ago · 4 km deep · 86 km away
  5. 2.010km NNW of Anza, CA · 15089 days ago · 14 km deep · 12 km away
  6. 1.718km NNE of Thousand Palms, CA · 15089 days ago · 10 km deep · 65 km away
  7. 1.811km WSW of Anza, CA · 15089 days ago · 2 km deep · 3 km away
  8. 1.94km E of La Jolla, CA · 15088 days ago · 15 km deep · 89 km away
  9. 2.17km ESE of Valle Vista, CA · 15088 days ago · 15 km deep · 19 km away
  10. 1.712km NNE of Cabazon, CA · 15088 days ago · 14 km deep · 51 km away
  11. 1.93km SSE of Mentone, CA · 15088 days ago · 7 km deep · 62 km away
  12. 1.76km E of Calimesa, CA · 15088 days ago · 13 km deep · 52 km away
  13. 1.99km SE of Valle Vista, CA · 15088 days ago · 15 km deep · 17 km away
  14. 1.96km SSE of Chino Hills, CA · 15088 days ago · 11 km deep · 98 km away
  15. 2.310km ENE of Desert Hot Springs, CA · 15088 days ago · 3 km deep · 60 km away
  16. 1.98km SW of Idyllwild, CA · 15087 days ago · 14 km deep · 14 km away
  17. 1.54km NNE of Banning, CA · 15087 days ago · 19 km deep · 46 km away
  18. 1.920km ESE of Anza, CA · 15087 days ago · 12 km deep · 30 km away
  19. 1.911km SSW of Twentynine Palms, CA · 15087 days ago · 4 km deep · 82 km away
  20. 1.95km SSW of Salton City, CA · 15087 days ago · 0 km deep · 83 km away
  21. 1.615km S of Twentynine Palms, CA · 15087 days ago · 8 km deep · 81 km away
  22. 1.915km S of Twentynine Palms, CA · 15087 days ago · 9 km deep · 82 km away
  23. 3.216km S of Twentynine Palms, CA · 15087 days ago · 8 km deep · 81 km away
  24. 1.615km S of Twentynine Palms, CA · 15087 days ago · 9 km deep · 81 km away
  25. 2.211km ENE of Desert Hot Springs, CA · 15087 days ago · 2 km deep · 62 km away
  26. 1.710km SW of Anza, CA · 15087 days ago · 8 km deep · 8 km away
  27. 3.319km SE of Ocotillo Wells, CA · 15087 days ago · 5 km deep · 95 km away
  28. 2.110km WSW of Corona, CA · 15087 days ago · 0 km deep · 87 km away
  29. 2.08km NE of Banning, CA · 15087 days ago · 8 km deep · 48 km away
  30. 1.62km ESE of Muscoy, CA · 15086 days ago · 5 km deep · 82 km away
  31. 1.811km W of Anza, CA · 15086 days ago · 2 km deep · 1 km away
  32. 1.912km NNE of Borrego Springs, CA · 15086 days ago · 10 km deep · 47 km away
  33. 1.620km ESE of Anza, CA · 15086 days ago · 12 km deep · 31 km away
  34. 1.521km ESE of Anza, CA · 15086 days ago · 7 km deep · 32 km away
  35. 2.15km WSW of Anza, CA · 15086 days ago · 4 km deep · 7 km away
  36. 2.016km ENE of Big Bear City, CA · 15086 days ago · 0 km deep · 86 km away
  37. 1.614km SSW of La Quinta, CA · 15086 days ago · 9 km deep · 40 km away
  38. 1.611km WSW of Anza, CA · 15086 days ago · 5 km deep · 5 km away
  39. 1.512km W of Anza, CA · 15086 days ago · 3 km deep · 1 km away
  40. 1.811km W of Anza, CA · 15086 days ago · 2 km deep · 1 km away
  41. 1.713km SSW of La Quinta, CA · 15086 days ago · 11 km deep · 41 km away
  42. 1.713km SE of Anza, CA · 15086 days ago · 11 km deep · 22 km away
  43. 2.110km NE of Aguanga, CA · 15086 days ago · 1 km deep · 5 km away
  44. 1.710km NE of Cabazon, CA · 15086 days ago · 12 km deep · 47 km away
  45. 1.811km WSW of Anza, CA · 15086 days ago · 1 km deep · 3 km away
  46. 1.82km WNW of San Bernardino, CA · 15085 days ago · 5 km deep · 81 km away
  47. 1.64km WSW of Anza, CA · 15085 days ago · 2 km deep · 7 km away
  48. 1.923km S of Twentynine Palms, CA · 15085 days ago · 1 km deep · 82 km away
  49. 2.28km W of Lake Henshaw, CA · 15084 days ago · 5 km deep · 34 km away
  50. 3.610km NNE of Borrego Springs, CA · 15084 days ago · 11 km deep · 49 km away
  51. 2.611km NNE of Borrego Springs, CA · 15084 days ago · 9 km deep · 48 km away
  52. 2.04km WNW of Beaumont, CA · 15084 days ago · 16 km deep · 48 km away
  53. 2.011km W of Anza, CA · 15084 days ago · 2 km deep · 2 km away
  54. 1.65km WNW of Beaumont, CA · 15084 days ago · 18 km deep · 49 km away
  55. 1.510km E of Yucaipa, CA · 15084 days ago · 5 km deep · 54 km away
  56. 2.211km NE of Aguanga, CA · 15084 days ago · 1 km deep · 3 km away
  57. 1.711km WSW of Anza, CA · 15084 days ago · 2 km deep · 2 km away
  58. 1.99km WSW of Morongo Valley, CA · 15083 days ago · 10 km deep · 53 km away
  59. 1.74km SSE of Idyllwild, CA · 15083 days ago · 16 km deep · 19 km away
  60. 1.611km NE of Ocotillo Wells, CA · 15083 days ago · 3 km deep · 78 km away

The first 60 of 182.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci64782. Read Tue, Sep 22, 2026, 9:39 PM UTC.