California earthquakes

M1.5 earthquake 12km W of Anza, CA

A magnitude 1.5 earthquake struck 12km W of Anza, CA on Thu, Mar 21, 1985, 2:27 AM PST (10:27 UTC), 2 km (2 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
1.5 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-03-21 10:27:10 UTC
Depth
2.5 km (1.5 mi), shallow
Epicenter
33.540° N, 116.799° 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: 170 in the 60 days after this one and 184 in the 30 days before it.

After

  1. 2.62km NW of Beaumont, CA · 15169 days ago · 14 km deep · 48 km away
  2. 1.713km W of Anza, CA · 15169 days ago · 2 km deep · 4 km away
  3. 2.68km NW of Coronado, CA · 15169 days ago · 7 km deep · 100 km away
  4. 1.90km NNE of Borrego Springs, CA · 15169 days ago · 8 km deep · 50 km away
  5. 2.15km S of Loma Linda, CA · 15169 days ago · 13 km deep · 67 km away
  6. 2.221km ESE of Julian, CA · 15169 days ago · 5 km deep · 69 km away
  7. 2.04km W of Calimesa, CA · 15168 days ago · 17 km deep · 57 km away
  8. 2.613km SSE of Anza, CA · 15168 days ago · 12 km deep · 18 km away
  9. 2.119km E of Julian, CA · 15168 days ago · 7 km deep · 65 km away
  10. 1.72km NE of San Bernardino, CA · 15168 days ago · 9 km deep · 80 km away
  11. 1.820km ESE of Julian, CA · 15168 days ago · 2 km deep · 70 km away
  12. 2.121km ESE of Julian, CA · 15168 days ago · 2 km deep · 69 km away
  13. 1.916km NNW of Borrego Springs, CA · 15168 days ago · 11 km deep · 39 km away
  14. 2.014km SE of Anza, CA · 15168 days ago · 10 km deep · 24 km away
  15. 1.510km SSW of Idyllwild, CA · 15168 days ago · 14 km deep · 14 km away
  16. 2.121km ESE of Julian, CA · 15168 days ago · 2 km deep · 68 km away
  17. 2.117km SSW of Ocotillo Wells, CA · 15167 days ago · 3 km deep · 80 km away
  18. 1.79km NE of Pala, CA · 15167 days ago · 9 km deep · 24 km away
  19. 2.410km ENE of Desert Hot Springs, CA · 15167 days ago · 2 km deep · 63 km away
  20. 2.021km ESE of Julian, CA · 15167 days ago · 5 km deep · 72 km away
  21. 1.823km ESE of Anza, CA · 15167 days ago · 9 km deep · 33 km away
  22. 1.93km NE of Beaumont, CA · 15167 days ago · 11 km deep · 47 km away
  23. 1.616km NNE of Pine Valley, CA · 15167 days ago · 5 km deep · 74 km away
  24. 2.221km ESE of Julian, CA · 15167 days ago · 5 km deep · 71 km away
  25. 1.56km NE of Pala, CA · 15167 days ago · 10 km deep · 26 km away
  26. 1.98km NE of Moreno Valley, CA · 15167 days ago · 15 km deep · 59 km away
  27. 1.510km ENE of Desert Hot Springs, CA · 15167 days ago · 3 km deep · 62 km away
  28. 1.76km W of Ocotillo Wells, CA · 15167 days ago · 10 km deep · 71 km away
  29. 1.86km S of Redlands, CA · 15166 days ago · 14 km deep · 62 km away
  30. 2.013km W of Anza, CA · 15166 days ago · 5 km deep · 3 km away
  31. 1.83km ESE of Cabazon, CA · 15166 days ago · 17 km deep · 41 km away
  32. 1.511km NE of Aguanga, CA · 15166 days ago · 0 km deep · 2 km away
  33. 1.66km NE of Cabazon, CA · 15166 days ago · 17 km deep · 46 km away
  34. 1.96km S of Redlands, CA · 15166 days ago · 14 km deep · 62 km away
  35. 1.721km ESE of Julian, CA · 15166 days ago · 5 km deep · 69 km away
  36. 1.812km NE of Julian, CA · 15166 days ago · 5 km deep · 52 km away
  37. 1.611km NE of Borrego Springs, CA · 15165 days ago · 9 km deep · 53 km away
  38. 1.711km W of Anza, CA · 15165 days ago · 3 km deep · 2 km away
  39. 1.922km ESE of Anza, CA · 15165 days ago · 11 km deep · 32 km away
  40. 1.510km W of Anza, CA · 15165 days ago · 4 km deep · 2 km away
  41. 2.44km N of Fontana, CA · 15165 days ago · 8 km deep · 89 km away
  42. 1.73km W of Calimesa, CA · 15165 days ago · 17 km deep · 56 km away
  43. 1.97km S of Redlands, CA · 15165 days ago · 14 km deep · 62 km away
  44. 1.55km ENE of Cabazon, CA · 15164 days ago · 14 km deep · 45 km away
  45. 1.921km ESE of Julian, CA · 15164 days ago · 5 km deep · 71 km away
  46. 2.312km W of Anza, CA · 15164 days ago · 2 km deep · 1 km away
  47. 2.210km ENE of Lake Arrowhead, CA · 15164 days ago · 8 km deep · 89 km away
  48. 2.03km SSE of Loma Linda, CA · 15164 days ago · 15 km deep · 68 km away
  49. 2.220km NNE of Pine Valley, CA · 15164 days ago · 5 km deep · 72 km away
  50. 2.020km NNE of Pine Valley, CA · 15164 days ago · 5 km deep · 72 km away
  51. 1.911km W of Anza, CA · 15164 days ago · -1 km deep · 1 km away
  52. 1.720km ESE of Julian, CA · 15163 days ago · 2 km deep · 68 km away
  53. 2.18km NE of Banning, CA · 15163 days ago · 9 km deep · 49 km away
  54. 1.611km ENE of Desert Hot Springs, CA · 15163 days ago · 3 km deep · 64 km away
  55. 1.65km E of Valle Vista, CA · 15163 days ago · 16 km deep · 23 km away
  56. 1.611km NNE of Indio, CA · 15163 days ago · 8 km deep · 65 km away
  57. 1.825km SW of Ocotillo Wells, CA · 15163 days ago · 6 km deep · 73 km away
  58. 2.211km WSW of Anza, CA · 15163 days ago · 4 km deep · 2 km away
  59. 1.711km ENE of Desert Hot Springs, CA · 15162 days ago · 5 km deep · 63 km away
  60. 1.621km ESE of Julian, CA · 15162 days ago · 2 km deep · 68 km away

The first 60 of 170.

Before

  1. 1.73km NE of Anza, CA · 15169 days ago · 9 km deep · 15 km away
  2. 2.111km ENE of Desert Hot Springs, CA · 15169 days ago · 3 km deep · 63 km away
  3. 1.910km NNE of Lake Arrowhead, CA · 15169 days ago · 7 km deep · 93 km away
  4. 1.922km ESE of Julian, CA · 15169 days ago · 5 km deep · 69 km away
  5. 1.612km NNE of Borrego Springs, CA · 15169 days ago · 11 km deep · 49 km away
  6. 1.710km ENE of Desert Hot Springs, CA · 15170 days ago · 4 km deep · 62 km away
  7. 2.220km NNE of Pine Valley, CA · 15170 days ago · 6 km deep · 72 km away
  8. 1.52km NE of Anza, CA · 15170 days ago · 1 km deep · 13 km away
  9. 1.97km ENE of Ocotillo Wells, CA · 15170 days ago · 6 km deep · 81 km away
  10. 1.611km ENE of Borrego Springs, CA · 15170 days ago · 5 km deep · 55 km away
  11. 1.710km NE of Lake Arrowhead, CA · 15170 days ago · 8 km deep · 92 km away
  12. 1.96km WNW of Calimesa, CA · 15170 days ago · 17 km deep · 59 km away
  13. 1.68km NNE of Banning, CA · 15170 days ago · 12 km deep · 51 km away
  14. 1.711km ENE of Desert Hot Springs, CA · 15170 days ago · 4 km deep · 62 km away
  15. 2.211km ENE of Desert Hot Springs, CA · 15170 days ago · 2 km deep · 62 km away
  16. 1.721km NW of Yucca Valley, CA · 15170 days ago · 2 km deep · 81 km away
  17. 1.64km SW of Mira Loma, CA · 15170 days ago · 2 km deep · 84 km away
  18. 1.821km NNW of Borrego Springs, CA · 15170 days ago · 13 km deep · 36 km away
  19. 2.219km E of Julian, CA · 15170 days ago · 5 km deep · 65 km away
  20. 3.319km E of Julian, CA · 15170 days ago · 5 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci62940. Read Thu, Oct 1, 2026, 12:12 PM UTC.