California earthquakes

M1.7 earthquake 7km NNW of Anza, CA

A magnitude 1.7 earthquake struck 7km NNW of Anza, CA on Thu, Apr 11, 1985, 3:35 AM PST (11:35 UTC), 5 km (3 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
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-04-11 11:35:51 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
33.606° N, 116.714° 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
101°
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: 176 in the 60 days after this one and 169 in the 30 days before it.

After

  1. 1.621km SW of La Quinta, CA · 15150 days ago · 7 km deep · 27 km away
  2. 1.612km W of Ocotillo Wells, CA · 15150 days ago · 11 km deep · 65 km away
  3. 1.72km SSW of Redlands, CA · 15150 days ago · 5 km deep · 65 km away
  4. 1.721km ESE of Julian, CA · 15150 days ago · 5 km deep · 71 km away
  5. 1.822km ESE of Julian, CA · 15149 days ago · 8 km deep · 71 km away
  6. 1.76km ESE of Morongo Valley, CA · 15149 days ago · 9 km deep · 51 km away
  7. 1.714km E of Desert Hot Springs, CA · 15148 days ago · 10 km deep · 51 km away
  8. 2.54km SE of Ontario, CA · 15148 days ago · 3 km deep · 94 km away
  9. 2.04km ESE of Ontario, CA · 15148 days ago · 5 km deep · 93 km away
  10. 1.610km W of Anza, CA · 15148 days ago · -1 km deep · 9 km away
  11. 1.520km ESE of Anza, CA · 15148 days ago · 14 km deep · 26 km away
  12. 1.87km ENE of Cabazon, CA · 15148 days ago · 11 km deep · 37 km away
  13. 1.921km E of Julian, CA · 15148 days ago · 2 km deep · 69 km away
  14. 2.122km ESE of Julian, CA · 15147 days ago · 5 km deep · 72 km away
  15. 1.612km W of Anza, CA · 15147 days ago · 2 km deep · 10 km away
  16. 1.50km S of Anza, CA · 15146 days ago · 9 km deep · 7 km away
  17. 2.310km S of Idyllwild, CA · 15146 days ago · 12 km deep · 5 km away
  18. 1.911km ENE of Desert Hot Springs, CA · 15146 days ago · 3 km deep · 52 km away
  19. 1.823km ESE of Anza, CA · 15146 days ago · 4 km deep · 29 km away
  20. 1.82km SW of Redlands, CA · 15146 days ago · 6 km deep · 66 km away
  21. 1.81km SSW of Redlands, CA · 15146 days ago · 7 km deep · 65 km away
  22. 1.82km SSW of Redlands, CA · 15146 days ago · 6 km deep · 66 km away
  23. 1.71km SSW of Redlands, CA · 15146 days ago · 5 km deep · 65 km away
  24. 1.811km NNE of Cabazon, CA · 15145 days ago · 11 km deep · 46 km away
  25. 1.93km NE of Moreno Valley, CA · 15145 days ago · 12 km deep · 59 km away
  26. 2.311km N of Cabazon, CA · 15145 days ago · 16 km deep · 46 km away
  27. 2.21km S of Anza, CA · 15145 days ago · 8 km deep · 8 km away
  28. 1.93km N of Muscoy, CA · 15145 days ago · 8 km deep · 86 km away
  29. 1.64km NNE of Fontana, CA · 15145 days ago · 4 km deep · 89 km away
  30. 1.629km ENE of Big Bear City, CA · 15145 days ago · 2 km deep · 88 km away
  31. 2.112km WNW of Lakeland Village, CA · 15145 days ago · 4 km deep · 69 km away
  32. 1.66km E of Valle Vista, CA · 15145 days ago · 15 km deep · 20 km away
  33. 1.821km NNW of Borrego Springs, CA · 15145 days ago · 10 km deep · 30 km away
  34. 1.86km NNW of San Jacinto, CA · 15145 days ago · 13 km deep · 36 km away
  35. 2.12km SSW of Redlands, CA · 15144 days ago · 6 km deep · 66 km away
  36. 2.26km N of Moreno Valley, CA · 15144 days ago · 14 km deep · 63 km away
  37. 1.621km ESE of Julian, CA · 15144 days ago · 5 km deep · 71 km away
  38. 2.02km S of Redlands, CA · 15144 days ago · 5 km deep · 65 km away
  39. 2.01km NW of Yucaipa, CA · 15143 days ago · 9 km deep · 57 km away
  40. 1.65km NNE of Fontana, CA · 15143 days ago · 7 km deep · 89 km away
  41. 1.822km SSW of La Quinta, CA · 15143 days ago · 12 km deep · 31 km away
  42. 2.111km W of Anza, CA · 15143 days ago · 2 km deep · 11 km away
  43. 1.611km WNW of Twentynine Palms, CA · 15143 days ago · 6 km deep · 81 km away
  44. 1.67km S of Yucca Valley, CA · 15142 days ago · 5 km deep · 56 km away
  45. 1.811km NW of Ocotillo Wells, CA · 15142 days ago · 9 km deep · 63 km away
  46. 1.621km ESE of Julian, CA · 15142 days ago · 2 km deep · 70 km away
  47. 1.91km SE of Anza, CA · 15142 days ago · 9 km deep · 8 km away
  48. 1.710km NE of Cabazon, CA · 15142 days ago · 16 km deep · 42 km away
  49. 2.18km E of Borrego Springs, CA · 15142 days ago · 8 km deep · 56 km away
  50. 2.24km SSE of Redlands, CA · 15142 days ago · 14 km deep · 62 km away
  51. 1.83km SSW of Idyllwild, CA · 15141 days ago · 18 km deep · 12 km away
  52. 1.814km ESE of Anza, CA · 15141 days ago · 15 km deep · 20 km away
  53. 1.911km SW of Big Bear Lake, CA · 15141 days ago · 9 km deep · 67 km away
  54. 1.83km SW of Palomar Observatory, CA · 15141 days ago · 9 km deep · 34 km away
  55. 1.511km W of Anza, CA · 15141 days ago · 2 km deep · 9 km away
  56. 1.62km ESE of Loma Linda, CA · 15141 days ago · 14 km deep · 69 km away
  57. 1.819km N of Borrego Springs, CA · 15141 days ago · 11 km deep · 39 km away
  58. 1.922km WSW of Ocotillo Wells, CA · 15141 days ago · 14 km deep · 70 km away
  59. 2.330km ENE of Big Bear City, CA · 15141 days ago · 4 km deep · 89 km away
  60. 1.85km ENE of Yucaipa, CA · 15141 days ago · 3 km deep · 56 km away

The first 60 of 176.

Before

  1. 1.85km SSW of Redlands, CA · 15150 days ago · 4 km deep · 64 km away
  2. 2.62km S of Redlands, CA · 15150 days ago · 5 km deep · 65 km away
  3. 1.91km S of Redlands, CA · 15150 days ago · 6 km deep · 65 km away
  4. 1.53km NNE of Fontana, CA · 15150 days ago · 4 km deep · 89 km away
  5. 2.44km N of Fontana, CA · 15150 days ago · 5 km deep · 90 km away
  6. 2.04km NNE of Fontana, CA · 15150 days ago · 5 km deep · 89 km away
  7. 1.79km N of Cabazon, CA · 15151 days ago · 9 km deep · 44 km away
  8. 2.011km WSW of Anza, CA · 15151 days ago · 1 km deep · 11 km away
  9. 2.330km ENE of Big Bear City, CA · 15151 days ago · 1 km deep · 89 km away
  10. 1.52km SW of Garnet, CA · 15151 days ago · 9 km deep · 35 km away
  11. 1.510km NNW of Anza, CA · 15151 days ago · 16 km deep · 3 km away
  12. 1.912km NNW of Borrego Springs, CA · 15152 days ago · 10 km deep · 39 km away
  13. 2.18km WNW of San Jacinto, CA · 15152 days ago · 13 km deep · 38 km away
  14. 2.223km E of Lucerne Valley, CA · 15152 days ago · 4 km deep · 93 km away
  15. 1.712km NE of Cabazon, CA · 15152 days ago · 15 km deep · 44 km away
  16. 1.81km S of Redlands, CA · 15152 days ago · 5 km deep · 65 km away
  17. 1.77km NNE of Banning, CA · 15152 days ago · 12 km deep · 44 km away
  18. 1.86km ESE of Valle Vista, CA · 15152 days ago · 17 km deep · 17 km away
  19. 1.84km SSW of Redlands, CA · 15152 days ago · 10 km deep · 65 km away
  20. 1.522km ESE of Julian, CA · 15152 days ago · 5 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci64184. Read Sat, Oct 3, 2026, 10:42 AM UTC.