California earthquakes

M1.6 earthquake 11km W of Anza, CA

A magnitude 1.6 earthquake struck 11km W of Anza, CA on Mon, Dec 30, 1985, 11:07 AM PST (19:07 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.9 5km ESE of Twentynine Palms, 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
1.6 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-12-30 19:07:41 UTC
Depth
2.0 km (1.3 mi), shallow
Epicenter
33.548° N, 116.793° 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
113°
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: 181 in the 60 days after this one and 184 in the 30 days before it.

After

  1. 1.617km SSW of Oasis, CA · 14886 days ago · 10 km deep · 64 km away
  2. 1.615km E of Anza, CA · 14886 days ago · 14 km deep · 26 km away
  3. 1.814km NE of Julian, CA · 14886 days ago · 4 km deep · 51 km away
  4. 1.913km NNE of Borrego Springs, CA · 14886 days ago · 11 km deep · 46 km away
  5. 2.210km N of Yucca Valley, CA · 14886 days ago · 2 km deep · 80 km away
  6. 1.66km ESE of Valle Vista, CA · 14886 days ago · 17 km deep · 20 km away
  7. 2.015km SSE of Big Bear Lake, CA · 14886 days ago · 3 km deep · 63 km away
  8. 2.110km N of Cabazon, CA · 14886 days ago · 16 km deep · 51 km away
  9. 1.711km NE of Ocotillo Wells, CA · 14886 days ago · 2 km deep · 77 km away
  10. 2.29km NW of Morongo Valley, CA · 14886 days ago · 9 km deep · 63 km away
  11. 1.813km E of Ocotillo Wells, CA · 14886 days ago · 4 km deep · 86 km away
  12. 1.72km SSE of Loma Linda, CA · 14885 days ago · 18 km deep · 69 km away
  13. 1.717km NNW of Joshua Tree, CA · 14885 days ago · 4 km deep · 89 km away
  14. 2.04km S of Yorba Linda, CA · 14884 days ago · 5 km deep · 100 km away
  15. 1.76km SSE of Big Bear Lake, CA · 14884 days ago · 14 km deep · 72 km away
  16. 1.66km S of Idyllwild, CA · 14884 days ago · 16 km deep · 17 km away
  17. 1.87km S of Idyllwild, CA · 14884 days ago · 14 km deep · 16 km away
  18. 1.914km E of Borrego Springs, CA · 14884 days ago · 3 km deep · 62 km away
  19. 1.810km N of Anza, CA · 14884 days ago · 15 km deep · 15 km away
  20. 2.125km NNW of Joshua Tree, CA · 14884 days ago · 1 km deep · 97 km away
  21. 1.81km SW of Colton, CA · 14884 days ago · 17 km deep · 75 km away
  22. 2.09km WSW of Idyllwild, CA · 14883 days ago · 4 km deep · 16 km away
  23. 1.93km NW of Muscoy, CA · 14883 days ago · 14 km deep · 88 km away
  24. 1.77km SW of Salton City, CA · 14883 days ago · 1 km deep · 80 km away
  25. 1.96km SSE of Banning, CA · 14883 days ago · 12 km deep · 36 km away
  26. 1.82km S of Lucerne Valley, CA · 14883 days ago · 2 km deep · 99 km away
  27. 1.722km N of Borrego Springs, CA · 14883 days ago · 13 km deep · 39 km away
  28. 1.68km WSW of Idyllwild, CA · 14883 days ago · 4 km deep · 17 km away
  29. 1.79km SW of Idyllwild, CA · 14883 days ago · 6 km deep · 16 km away
  30. 1.68km WSW of Idyllwild, CA · 14883 days ago · 5 km deep · 17 km away
  31. 2.06km SSW of Redlands, CA · 14883 days ago · 17 km deep · 63 km away
  32. 2.212km NE of Julian, CA · 14882 days ago · 7 km deep · 53 km away
  33. 1.610km SW of Idyllwild, CA · 14882 days ago · 5 km deep · 16 km away
  34. 1.64km WNW of Borrego Springs, CA · 14882 days ago · 3 km deep · 47 km away
  35. 1.66km NW of Mira Loma, CA · 14882 days ago · 10 km deep · 89 km away
  36. 2.34km ESE of Highland, CA · 14882 days ago · 5 km deep · 72 km away
  37. 2.37km NNW of Moreno Valley, CA · 14882 days ago · 12 km deep · 64 km away
  38. 1.68km SW of Idyllwild, CA · 14882 days ago · 16 km deep · 17 km away
  39. 1.910km W of Corona, CA · 14882 days ago · 2 km deep · 90 km away
  40. 1.55km SE of Cabazon, CA · 14882 days ago · 15 km deep · 38 km away
  41. 1.821km ESE of Anza, CA · 14882 days ago · 16 km deep · 32 km away
  42. 1.821km SSW of La Quinta, CA · 14882 days ago · 23 km deep · 33 km away
  43. 1.87km S of Idyllwild, CA · 14882 days ago · 16 km deep · 16 km away
  44. 2.06km S of Idyllwild, CA · 14882 days ago · 16 km deep · 18 km away
  45. 1.712km WSW of Anza, CA · 14881 days ago · 2 km deep · 2 km away
  46. 1.87km W of Desert Hot Springs, CA · 14881 days ago · 9 km deep · 50 km away
  47. 2.815km S of Anza, CA · 14881 days ago · 10 km deep · 17 km away
  48. 1.61km NW of Cabazon, CA · 14881 days ago · 15 km deep · 42 km away
  49. 1.615km N of Cabazon, CA · 14881 days ago · 15 km deep · 56 km away
  50. 1.97km WSW of Woodcrest, CA · 14881 days ago · 11 km deep · 68 km away
  51. 1.59km WSW of Idyllwild, CA · 14880 days ago · 7 km deep · 17 km away
  52. 1.75km W of Garnet, CA · 14880 days ago · 9 km deep · 42 km away
  53. 1.612km SW of Morongo Valley, CA · 14880 days ago · 18 km deep · 50 km away
  54. 1.84km W of Devore, CA · 14880 days ago · 6 km deep · 96 km away
  55. 2.020km SSE of Ocotillo Wells, CA · 14880 days ago · 12 km deep · 94 km away
  56. 1.916km SSE of Big Bear Lake, CA · 14880 days ago · 1 km deep · 63 km away
  57. 1.616km SSE of Big Bear Lake, CA · 14880 days ago · 2 km deep · 63 km away
  58. 1.714km SSE of Big Bear Lake, CA · 14880 days ago · 3 km deep · 64 km away
  59. 1.89km S of Salton City, CA · 14880 days ago · 4 km deep · 88 km away
  60. 1.715km E of Borrego Springs, CA · 14879 days ago · 8 km deep · 62 km away

The first 60 of 181.

Before

  1. 2.02km NE of San Jacinto, CA · 14887 days ago · 13 km deep · 31 km away
  2. 1.722km N of Borrego Springs, CA · 14887 days ago · 12 km deep · 38 km away
  3. 1.69km NE of Indio, CA · 14887 days ago · 6 km deep · 65 km away
  4. 1.74km SW of Warner Springs, CA · 14887 days ago · 7 km deep · 34 km away
  5. 2.29km SSW of Idyllwild, CA · 14887 days ago · 15 km deep · 14 km away
  6. 2.222km ENE of Pine Valley, CA · 14887 days ago · 9 km deep · 81 km away
  7. 2.022km N of Borrego Springs, CA · 14887 days ago · 11 km deep · 39 km away
  8. 2.44km SW of Warner Springs, CA · 14887 days ago · 7 km deep · 34 km away
  9. 2.511km S of Joshua Tree, CA · 14888 days ago · 4 km deep · 70 km away
  10. 1.83km WSW of Warner Springs, CA · 14888 days ago · 7 km deep · 34 km away
  11. 1.64km NW of Mira Loma, CA · 14888 days ago · 3 km deep · 87 km away
  12. 1.615km N of Banning, CA · 14888 days ago · 14 km deep · 57 km away
  13. 1.84km SW of Warner Springs, CA · 14888 days ago · 8 km deep · 34 km away
  14. 2.86km N of Cabazon, CA · 14888 days ago · 17 km deep · 47 km away
  15. 2.010km NE of Cabazon, CA · 14889 days ago · 13 km deep · 48 km away
  16. 1.99km NE of Cabazon, CA · 14889 days ago · 12 km deep · 48 km away
  17. 1.712km E of Ocotillo Wells, CA · 14889 days ago · 7 km deep · 86 km away
  18. 2.212km E of Ocotillo Wells, CA · 14889 days ago · 4 km deep · 86 km away
  19. 1.619km E of Julian, CA · 14889 days ago · 5 km deep · 66 km away
  20. 1.912km E of Ocotillo Wells, CA · 14889 days ago · 4 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci112189. Read Sat, Oct 3, 2026, 4:38 PM UTC.