California earthquakes

M2.1 earthquake 21km ESE of Anza, CA

A magnitude 2.1 earthquake struck 21km ESE of Anza, CA on Mon, Dec 23, 1985, 4:25 AM PST (12:25 UTC), 6 km (4 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
2.1 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-12-23 12:25:13 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
33.485° N, 116.467° 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
39°
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: 195 in the 60 days after this one and 172 in the 30 days before it.

After

  1. 2.018km SE of Salton City, CA · 14892 days ago · 4 km deep · 69 km away
  2. 1.52km ESE of Redlands, CA · 14892 days ago · 3 km deep · 89 km away
  3. 2.517km SW of Oasis, CA · 14892 days ago · 10 km deep · 27 km away
  4. 2.54km SSE of Banning, CA · 14891 days ago · 14 km deep · 58 km away
  5. 2.013km NNE of Cabazon, CA · 14891 days ago · 10 km deep · 66 km away
  6. 2.86km SE of Big Bear City, CA · 14891 days ago · 12 km deep · 87 km away
  7. 2.66km SE of Big Bear City, CA · 14891 days ago · 13 km deep · 87 km away
  8. 1.521km NNW of Borrego Springs, CA · 14891 days ago · 11 km deep · 6 km away
  9. 1.87km SE of Big Bear City, CA · 14891 days ago · 14 km deep · 87 km away
  10. 1.623km SSW of La Quinta, CA · 14891 days ago · 11 km deep · 6 km away
  11. 1.721km ENE of Pine Valley, CA · 14891 days ago · 9 km deep · 64 km away
  12. 1.77km ESE of Valle Vista, CA · 14891 days ago · 16 km deep · 42 km away
  13. 1.510km W of Anza, CA · 14891 days ago · 3 km deep · 30 km away
  14. 2.116km SSE of Joshua Tree, CA · 14891 days ago · 1 km deep · 62 km away
  15. 1.722km SSW of La Quinta, CA · 14890 days ago · 15 km deep · 3 km away
  16. 1.911km NE of Julian, CA · 14890 days ago · 15 km deep · 38 km away
  17. 1.812km ENE of Borrego Springs, CA · 14890 days ago · 10 km deep · 28 km away
  18. 1.916km SSE of Big Bear Lake, CA · 14890 days ago · 0 km deep · 78 km away
  19. 2.518km NW of Yucca Valley, CA · 14890 days ago · 10 km deep · 82 km away
  20. 2.84km WNW of Borrego Springs, CA · 14890 days ago · 2 km deep · 24 km away
  21. 1.76km SSE of Big Bear City, CA · 14890 days ago · 12 km deep · 87 km away
  22. 1.85km SW of Idyllwild, CA · 14890 days ago · 13 km deep · 37 km away
  23. 1.515km SSE of Big Bear Lake, CA · 14890 days ago · 2 km deep · 79 km away
  24. 1.624km WSW of Ocotillo Wells, CA · 14889 days ago · 9 km deep · 51 km away
  25. 2.15km SE of Big Bear Lake, CA · 14889 days ago · 7 km deep · 89 km away
  26. 1.911km N of Morongo Valley, CA · 14889 days ago · 3 km deep · 74 km away
  27. 1.79km S of Idyllwild, CA · 14889 days ago · 14 km deep · 30 km away
  28. 1.912km E of Ocotillo Wells, CA · 14888 days ago · 4 km deep · 57 km away
  29. 1.67km SW of Morongo Valley, CA · 14888 days ago · 17 km deep · 60 km away
  30. 1.615km SSE of Big Bear Lake, CA · 14888 days ago · 3 km deep · 79 km away
  31. 1.714km WSW of Westmorland, CA · 14888 days ago · 4 km deep · 88 km away
  32. 1.66km SSE of Loma Linda, CA · 14888 days ago · 18 km deep · 91 km away
  33. 1.613km SE of Anza, CA · 14888 days ago · 13 km deep · 9 km away
  34. 1.91km ENE of Loma Linda, CA · 14887 days ago · 15 km deep · 96 km away
  35. 2.212km E of Ocotillo Wells, CA · 14887 days ago · 4 km deep · 57 km away
  36. 2.26km NNW of Cabazon, CA · 14887 days ago · 18 km deep · 62 km away
  37. 1.912km E of Ocotillo Wells, CA · 14887 days ago · 4 km deep · 57 km away
  38. 1.619km E of Julian, CA · 14887 days ago · 5 km deep · 48 km away
  39. 2.212km E of Ocotillo Wells, CA · 14887 days ago · 4 km deep · 57 km away
  40. 1.712km E of Ocotillo Wells, CA · 14887 days ago · 7 km deep · 57 km away
  41. 1.99km NE of Cabazon, CA · 14887 days ago · 12 km deep · 60 km away
  42. 2.010km NE of Cabazon, CA · 14886 days ago · 13 km deep · 59 km away
  43. 2.86km N of Cabazon, CA · 14886 days ago · 17 km deep · 62 km away
  44. 1.84km SW of Warner Springs, CA · 14886 days ago · 8 km deep · 31 km away
  45. 1.615km N of Banning, CA · 14886 days ago · 14 km deep · 73 km away
  46. 1.83km WSW of Warner Springs, CA · 14885 days ago · 7 km deep · 30 km away
  47. 2.511km S of Joshua Tree, CA · 14885 days ago · 4 km deep · 63 km away
  48. 2.44km SW of Warner Springs, CA · 14885 days ago · 7 km deep · 32 km away
  49. 2.022km N of Borrego Springs, CA · 14885 days ago · 11 km deep · 8 km away
  50. 2.222km ENE of Pine Valley, CA · 14885 days ago · 9 km deep · 63 km away
  51. 2.29km SSW of Idyllwild, CA · 14885 days ago · 15 km deep · 33 km away
  52. 1.74km SW of Warner Springs, CA · 14885 days ago · 7 km deep · 31 km away
  53. 1.69km NE of Indio, CA · 14885 days ago · 6 km deep · 44 km away
  54. 1.722km N of Borrego Springs, CA · 14885 days ago · 12 km deep · 7 km away
  55. 2.02km NE of San Jacinto, CA · 14885 days ago · 13 km deep · 56 km away
  56. 1.611km W of Anza, CA · 14885 days ago · 2 km deep · 31 km away
  57. 1.617km SSW of Oasis, CA · 14884 days ago · 10 km deep · 34 km away
  58. 1.615km E of Anza, CA · 14884 days ago · 14 km deep · 7 km away
  59. 1.814km NE of Julian, CA · 14884 days ago · 4 km deep · 35 km away
  60. 1.913km NNE of Borrego Springs, CA · 14884 days ago · 11 km deep · 17 km away

The first 60 of 195.

Before

  1. 1.911km NW of Ocotillo, CA · 14892 days ago · 8 km deep · 84 km away
  2. 1.716km ENE of Borrego Springs, CA · 14893 days ago · 7 km deep · 31 km away
  3. 2.57km WNW of Desert Hot Springs, CA · 14893 days ago · 8 km deep · 56 km away
  4. 2.420km ESE of Anza, CA · 14893 days ago · 6 km deep · 0 km away
  5. 2.410km WSW of Niland, CA · 14893 days ago · 1 km deep · 85 km away
  6. 1.710km WSW of Niland, CA · 14893 days ago · 1 km deep · 85 km away
  7. 1.720km ESE of Anza, CA · 14894 days ago · 7 km deep · 1 km away
  8. 1.616km NNE of Banning, CA · 14894 days ago · 13 km deep · 72 km away
  9. 1.524km ESE of Anza, CA · 14894 days ago · 12 km deep · 3 km away
  10. 1.74km NW of San Jacinto, CA · 14894 days ago · 13 km deep · 60 km away
  11. 1.74km E of Running Springs, CA · 14895 days ago · 5 km deep · 98 km away
  12. 1.69km NE of Aguanga, CA · 14895 days ago · 5 km deep · 31 km away
  13. 1.87km NE of Cabazon, CA · 14895 days ago · 18 km deep · 60 km away
  14. 1.68km SE of Winchester, CA · 14896 days ago · 10 km deep · 55 km away
  15. 1.87km NNW of Cabazon, CA · 14896 days ago · 16 km deep · 64 km away
  16. 1.54km E of Julian, CA · 14896 days ago · 6 km deep · 47 km away
  17. 1.85km W of Calimesa, CA · 14897 days ago · 17 km deep · 82 km away
  18. 1.89km WSW of Niland, CA · 14898 days ago · 1 km deep · 87 km away
  19. 1.86km N of Cabazon, CA · 14898 days ago · 16 km deep · 62 km away
  20. 1.622km N of Borrego Springs, CA · 14898 days ago · 7 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci111453. Read Thu, Oct 1, 2026, 8:24 AM UTC.