California earthquakes

M1.8 earthquake 7km N of Anza, CA

A magnitude 1.8 earthquake struck 7km N of Anza, CA on Thu, Jul 18, 1985, 9:57 AM PDT (16:57 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

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
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-07-18 16:57:37 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
33.621° N, 116.674° 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
61°
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: 177 in the 60 days after this one and 187 in the 30 days before it.

After

  1. 1.632km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 89 km away
  2. 1.833km NE of Big Bear City, CA · 15052 days ago · 0 km deep · 91 km away
  3. 2.233km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  4. 1.734km ENE of Big Bear City, CA · 15052 days ago · 0 km deep · 90 km away
  5. 1.834km NE of Big Bear City, CA · 15052 days ago · -1 km deep · 91 km away
  6. 2.333km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  7. 2.634km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  8. 2.334km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  9. 2.334km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  10. 2.334km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  11. 1.934km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  12. 2.07km WNW of Lake Elsinore, CA · 15052 days ago · 5 km deep · 68 km away
  13. 1.934km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  14. 2.134km ENE of Big Bear City, CA · 15051 days ago · 4 km deep · 91 km away
  15. 1.733km NE of Big Bear City, CA · 15051 days ago · 4 km deep · 90 km away
  16. 1.719km NE of Pine Valley, CA · 15051 days ago · 5 km deep · 81 km away
  17. 2.134km NE of Big Bear City, CA · 15051 days ago · 4 km deep · 91 km away
  18. 1.55km WSW of Aguanga, CA · 15051 days ago · 6 km deep · 31 km away
  19. 2.533km ENE of Big Bear City, CA · 15051 days ago · 4 km deep · 90 km away
  20. 1.632km ENE of Big Bear City, CA · 15051 days ago · 4 km deep · 88 km away
  21. 1.519km ESE of Anza, CA · 15051 days ago · 11 km deep · 23 km away
  22. 2.034km ENE of Big Bear City, CA · 15050 days ago · 4 km deep · 90 km away
  23. 2.45km S of Idyllwild, CA · 15050 days ago · 17 km deep · 9 km away
  24. 1.97km SSE of Big Bear City, CA · 15050 days ago · 8 km deep · 66 km away
  25. 1.832km ENE of Big Bear City, CA · 15050 days ago · 4 km deep · 89 km away
  26. 1.933km ENE of Big Bear City, CA · 15050 days ago · 4 km deep · 90 km away
  27. 2.134km NE of Big Bear City, CA · 15050 days ago · 4 km deep · 91 km away
  28. 1.814km N of Borrego Springs, CA · 15050 days ago · 8 km deep · 38 km away
  29. 1.714km N of Borrego Springs, CA · 15050 days ago · 9 km deep · 38 km away
  30. 2.034km NE of Big Bear City, CA · 15050 days ago · 4 km deep · 91 km away
  31. 1.814km N of Borrego Springs, CA · 15050 days ago · 9 km deep · 38 km away
  32. 1.79km S of Idyllwild, CA · 15049 days ago · 14 km deep · 5 km away
  33. 1.710km SSW of Big Bear Lake, CA · 15049 days ago · 11 km deep · 66 km away
  34. 2.022km E of Julian, CA · 15049 days ago · 3 km deep · 69 km away
  35. 2.633km ENE of Big Bear City, CA · 15049 days ago · 4 km deep · 90 km away
  36. 2.234km ENE of Big Bear City, CA · 15049 days ago · 4 km deep · 90 km away
  37. 1.72km N of Muscoy, CA · 15049 days ago · 5 km deep · 88 km away
  38. 2.19km NE of Running Springs, CA · 15049 days ago · 5 km deep · 79 km away
  39. 2.011km NE of Cabazon, CA · 15049 days ago · 10 km deep · 41 km away
  40. 1.77km SSE of Idyllwild, CA · 15048 days ago · 16 km deep · 7 km away
  41. 2.433km NE of Big Bear City, CA · 15048 days ago · 4 km deep · 91 km away
  42. 1.910km S of Idyllwild, CA · 15048 days ago · 13 km deep · 6 km away
  43. 1.714km ESE of Julian, CA · 15048 days ago · 5 km deep · 69 km away
  44. 1.95km SE of Loma Linda, CA · 15048 days ago · 14 km deep · 67 km away
  45. 1.79km SSW of Idyllwild, CA · 15047 days ago · 13 km deep · 10 km away
  46. 1.722km SSW of La Quinta, CA · 15047 days ago · 9 km deep · 32 km away
  47. 1.923km SSW of La Quinta, CA · 15047 days ago · 11 km deep · 30 km away
  48. 2.56km WSW of Devore, CA · 15047 days ago · 8 km deep · 97 km away
  49. 1.810km WSW of Morongo Valley, CA · 15047 days ago · 8 km deep · 43 km away
  50. 2.033km NE of Big Bear City, CA · 15047 days ago · 4 km deep · 91 km away
  51. 1.66km S of Mentone, CA · 15047 days ago · 15 km deep · 61 km away
  52. 1.95km N of Moreno Valley, CA · 15047 days ago · 11 km deep · 65 km away
  53. 1.723km S of Twentynine Palms, CA · 15046 days ago · 0 km deep · 69 km away
  54. 2.38km NNW of Cabazon, CA · 15046 days ago · 11 km deep · 43 km away
  55. 2.29km NNW of Cabazon, CA · 15046 days ago · 11 km deep · 43 km away
  56. 1.719km ESE of Anza, CA · 15046 days ago · 12 km deep · 24 km away
  57. 1.87km SSE of Idyllwild, CA · 15046 days ago · 14 km deep · 7 km away
  58. 2.110km NNE of Yucaipa, CA · 15046 days ago · 4 km deep · 62 km away
  59. 1.85km ENE of Beaumont, CA · 15045 days ago · 19 km deep · 43 km away
  60. 1.610km NNE of Yucaipa, CA · 15045 days ago · 4 km deep · 62 km away

The first 60 of 177.

Before

  1. 2.333km NE of Big Bear City, CA · 15052 days ago · 0 km deep · 91 km away
  2. 2.233km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  3. 2.333km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  4. 2.234km NE of Big Bear City, CA · 15052 days ago · -1 km deep · 91 km away
  5. 2.233km NE of Big Bear City, CA · 15052 days ago · -1 km deep · 91 km away
  6. 1.932km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 89 km away
  7. 1.933km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 90 km away
  8. 1.732km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 89 km away
  9. 2.233km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 90 km away
  10. 1.833km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 90 km away
  11. 2.233km NE of Big Bear City, CA · 15052 days ago · 4 km deep · 91 km away
  12. 1.631km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 88 km away
  13. 2.433km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  14. 1.832km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 89 km away
  15. 2.333km NE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  16. 2.132km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 90 km away
  17. 4.033km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  18. 2.233km ENE of Big Bear City, CA · 15052 days ago · 5 km deep · 90 km away
  19. 2.130km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 88 km away
  20. 1.732km ENE of Big Bear City, CA · 15052 days ago · 4 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci70954. Read Sat, Oct 3, 2026, 5:51 PM UTC.