California earthquakes

M1.7 earthquake 17km ESE of Anza, CA

A magnitude 1.7 earthquake struck 17km ESE of Anza, CA on Thu, Aug 1, 1985, 11:19 AM PDT (18:19 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.9 7km NNE of Big Bear City, CA. This one was a foreshock.

Anza forecastMore in California

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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
1985-08-01 18:19:45 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
33.512° N, 116.494° 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
77°
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: 186 in the 60 days after this one and 182 in the 30 days before it.

After

  1. 2.07km SSE of Borrego Springs, CA · 15037 days ago · 1 km deep · 37 km away
  2. 1.89km SSW of Idyllwild, CA · 15037 days ago · 11 km deep · 29 km away
  3. 1.69km SSW of Idyllwild, CA · 15037 days ago · 11 km deep · 30 km away
  4. 1.813km NNE of Cabazon, CA · 15036 days ago · 14 km deep · 62 km away
  5. 1.85km SSW of Redlands, CA · 15036 days ago · 12 km deep · 86 km away
  6. 1.510km NE of Aguanga, CA · 15036 days ago · 4 km deep · 26 km away
  7. 1.98km SSE of Bombay Beach, CA · 15036 days ago · 2 km deep · 78 km away
  8. 2.13km W of Palomar Observatory, CA · 15036 days ago · 4 km deep · 41 km away
  9. 2.122km SSE of Twentynine Palms, CA · 15035 days ago · 5 km deep · 65 km away
  10. 1.98km SSE of Bombay Beach, CA · 15035 days ago · 2 km deep · 78 km away
  11. 2.13km ESE of Cabazon, CA · 15035 days ago · 17 km deep · 50 km away
  12. 1.84km ESE of Cabazon, CA · 15035 days ago · 16 km deep · 50 km away
  13. 2.24km SSE of Redlands, CA · 15035 days ago · 16 km deep · 85 km away
  14. 1.68km SSE of Bombay Beach, CA · 15035 days ago · 2 km deep · 78 km away
  15. 1.99km NW of San Jacinto, CA · 15035 days ago · 12 km deep · 61 km away
  16. 2.313km NE of Twentynine Palms, CA · 15035 days ago · 2 km deep · 93 km away
  17. 2.21km N of Loma Linda, CA · 15035 days ago · 13 km deep · 93 km away
  18. 2.113km NNE of Twentynine Palms, CA · 15035 days ago · 3 km deep · 93 km away
  19. 2.414km NE of Twentynine Palms, CA · 15035 days ago · -1 km deep · 94 km away
  20. 1.77km S of Idyllwild, CA · 15035 days ago · 14 km deep · 29 km away
  21. 1.611km NNW of Ocotillo Wells, CA · 15035 days ago · 8 km deep · 43 km away
  22. 1.822km ESE of Julian, CA · 15035 days ago · 5 km deep · 56 km away
  23. 2.611km NE of Cabazon, CA · 15035 days ago · 12 km deep · 56 km away
  24. 1.88km SSE of Bombay Beach, CA · 15035 days ago · 2 km deep · 78 km away
  25. 1.79km SSW of Idyllwild, CA · 15034 days ago · 11 km deep · 30 km away
  26. 2.010km WSW of Anza, CA · 15034 days ago · 2 km deep · 26 km away
  27. 1.93km N of Beaumont, CA · 15034 days ago · 14 km deep · 67 km away
  28. 3.18km NE of Banning, CA · 15033 days ago · 18 km deep · 61 km away
  29. 1.612km NE of Borrego Springs, CA · 15033 days ago · 8 km deep · 29 km away
  30. 1.513km NE of Borrego Springs, CA · 15033 days ago · 8 km deep · 29 km away
  31. 1.721km ESE of Julian, CA · 15033 days ago · 5 km deep · 55 km away
  32. 1.626km WSW of Westmorland, CA · 15033 days ago · 6 km deep · 80 km away
  33. 1.810km WSW of Anza, CA · 15032 days ago · 4 km deep · 26 km away
  34. 1.615km ENE of Thousand Palms, CA · 15032 days ago · 0 km deep · 47 km away
  35. 2.011km NNE of Morongo Valley, CA · 15032 days ago · 5 km deep · 70 km away
  36. 1.817km ESE of Julian, CA · 15032 days ago · 2 km deep · 53 km away
  37. 1.611km NE of Aguanga, CA · 15032 days ago · -1 km deep · 27 km away
  38. 1.88km SE of Winchester, CA · 15032 days ago · 10 km deep · 52 km away
  39. 2.04km SSE of Lake Henshaw, CA · 15032 days ago · 6 km deep · 41 km away
  40. 1.611km W of Anza, CA · 15031 days ago · 3 km deep · 28 km away
  41. 2.013km NE of Twentynine Palms, CA · 15031 days ago · 5 km deep · 93 km away
  42. 2.012km NE of Twentynine Palms, CA · 15031 days ago · 2 km deep · 91 km away
  43. 1.811km W of Anza, CA · 15031 days ago · 4 km deep · 28 km away
  44. 2.124km NNW of Yucca Valley, CA · 15031 days ago · 5 km deep · 90 km away
  45. 1.821km SE of Ocotillo Wells, CA · 15031 days ago · 6 km deep · 74 km away
  46. 2.217km NW of Ocotillo, CA · 15031 days ago · 6 km deep · 83 km away
  47. 2.010km WSW of Anza, CA · 15031 days ago · 4 km deep · 27 km away
  48. 1.910km W of Anza, CA · 15031 days ago · 4 km deep · 27 km away
  49. 1.68km E of Big Bear City, CA · 15031 days ago · 11 km deep · 87 km away
  50. 2.112km NNE of Trabuco Canyon, CA · 15031 days ago · 6 km deep · 99 km away
  51. 1.616km N of Borrego Springs, CA · 15031 days ago · 5 km deep · 18 km away
  52. 1.818km N of Borrego Springs, CA · 15031 days ago · 11 km deep · 18 km away
  53. 1.69km S of Idyllwild, CA · 15030 days ago · 13 km deep · 27 km away
  54. 1.820km ESE of Julian, CA · 15030 days ago · 5 km deep · 54 km away
  55. 1.616km ENE of Thousand Palms, CA · 15030 days ago · 1 km deep · 48 km away
  56. 2.215km NE of Twentynine Palms, CA · 15030 days ago · 2 km deep · 95 km away
  57. 2.022km ESE of Julian, CA · 15030 days ago · 3 km deep · 54 km away
  58. 2.215km ENE of Thousand Palms, CA · 15030 days ago · 0 km deep · 48 km away
  59. 1.717km E of Julian, CA · 15030 days ago · 2 km deep · 52 km away
  60. 1.921km ESE of Julian, CA · 15030 days ago · 5 km deep · 55 km away

The first 60 of 186.

Before

  1. 1.99km NE of Aguanga, CA · 15037 days ago · 3 km deep · 28 km away
  2. 1.66km ENE of Ocotillo Wells, CA · 15037 days ago · 9 km deep · 56 km away
  3. 2.218km ESE of Julian, CA · 15037 days ago · 5 km deep · 54 km away
  4. 2.218km ESE of Julian, CA · 15038 days ago · 5 km deep · 55 km away
  5. 2.09km NE of Aguanga, CA · 15038 days ago · 1 km deep · 28 km away
  6. 2.022km ESE of Anza, CA · 15038 days ago · 12 km deep · 5 km away
  7. 1.811km W of Anza, CA · 15038 days ago · 2 km deep · 28 km away
  8. 1.510km WSW of Anza, CA · 15038 days ago · 2 km deep · 27 km away
  9. 2.112km W of Anza, CA · 15038 days ago · 2 km deep · 29 km away
  10. 2.311km W of Anza, CA · 15038 days ago · 4 km deep · 28 km away
  11. 1.724km ENE of Pine Valley, CA · 15038 days ago · 5 km deep · 67 km away
  12. 2.37km WNW of Desert Hot Springs, CA · 15038 days ago · 11 km deep · 53 km away
  13. 1.815km N of Borrego Springs, CA · 15038 days ago · 5 km deep · 18 km away
  14. 2.22km E of Colton, CA · 15038 days ago · 13 km deep · 97 km away
  15. 1.91km NE of Grand Terrace, CA · 15038 days ago · 15 km deep · 95 km away
  16. 1.528km ENE of Pine Valley, CA · 15038 days ago · 6 km deep · 72 km away
  17. 2.01km NW of Colton, CA · 15039 days ago · 15 km deep · 99 km away
  18. 1.74km SSW of Idyllwild, CA · 15039 days ago · 16 km deep · 31 km away
  19. 1.58km NE of San Jacinto, CA · 15039 days ago · 11 km deep · 51 km away
  20. 1.823km WSW of Westmorland, CA · 15039 days ago · 6 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci71727. Read Fri, Oct 2, 2026, 8:33 PM UTC.