California earthquakes

M1.8 earthquake 13km WNW of Anza, CA

A magnitude 1.8 earthquake struck 13km WNW of Anza, CA on Thu, Feb 28, 1985, 9:09 AM PST (17:09 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.3 19km E of Julian, 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
Local time
UTC
1985-02-28 17:09:50 UTC
Depth
10.1 km (6.3 mi), shallow
Epicenter
33.600° N, 116.808° 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
47°
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 190 in the 30 days before it.

After

  1. 1.719km ESE of Anza, CA · 15188 days ago · 12 km deep · 32 km away
  2. 1.95km SSE of Mentone, CA · 15187 days ago · 8 km deep · 55 km away
  3. 1.611km NNE of Lake Arrowhead, CA · 15187 days ago · 9 km deep · 86 km away
  4. 2.511km ENE of Desert Hot Springs, CA · 15187 days ago · 3 km deep · 58 km away
  5. 2.08km E of Nuevo, CA · 15187 days ago · 15 km deep · 33 km away
  6. 2.26km SSW of Lytle Creek, CA · 15187 days ago · 6 km deep · 95 km away
  7. 2.06km SSW of Lytle Creek, CA · 15187 days ago · 7 km deep · 95 km away
  8. 1.87km WSW of Devore, CA · 15187 days ago · 5 km deep · 90 km away
  9. 2.09km ENE of Desert Hot Springs, CA · 15187 days ago · 0 km deep · 57 km away
  10. 2.212km NE of Julian, CA · 15186 days ago · 5 km deep · 58 km away
  11. 1.98km ESE of Valle Vista, CA · 15186 days ago · 16 km deep · 12 km away
  12. 2.122km ESE of Julian, CA · 15186 days ago · 5 km deep · 75 km away
  13. 1.510km W of Anza, CA · 15186 days ago · 1 km deep · 5 km away
  14. 1.614km NE of Julian, CA · 15186 days ago · 7 km deep · 58 km away
  15. 1.711km W of Anza, CA · 15186 days ago · 4 km deep · 7 km away
  16. 2.011km WSW of Anza, CA · 15185 days ago · 1 km deep · 7 km away
  17. 2.211km WSW of Anza, CA · 15185 days ago · 2 km deep · 8 km away
  18. 2.416km NNE of Pine Valley, CA · 15185 days ago · 5 km deep · 81 km away
  19. 1.810km ENE of Desert Hot Springs, CA · 15185 days ago · 4 km deep · 57 km away
  20. 1.84km SSW of Salton City, CA · 15185 days ago · 0 km deep · 86 km away
  21. 1.810km WSW of Anza, CA · 15185 days ago · 4 km deep · 8 km away
  22. 2.28km NNE of Running Springs, CA · 15185 days ago · 4 km deep · 79 km away
  23. 1.716km SW of Oasis, CA · 15185 days ago · 6 km deep · 62 km away
  24. 2.17km NNE of Running Springs, CA · 15185 days ago · 5 km deep · 79 km away
  25. 1.610km ENE of Desert Hot Springs, CA · 15185 days ago · 4 km deep · 57 km away
  26. 1.68km SSW of Idyllwild, CA · 15184 days ago · 16 km deep · 10 km away
  27. 2.48km N of Cabazon, CA · 15184 days ago · 11 km deep · 43 km away
  28. 1.724km NNW of Borrego Springs, CA · 15184 days ago · 10 km deep · 38 km away
  29. 2.82km SE of San Jacinto, CA · 15184 days ago · 11 km deep · 23 km away
  30. 1.92km SE of San Jacinto, CA · 15184 days ago · 11 km deep · 23 km away
  31. 1.64km NE of Banning, CA · 15184 days ago · 8 km deep · 39 km away
  32. 1.94km NE of Banning, CA · 15184 days ago · 11 km deep · 39 km away
  33. 1.611km N of Borrego Springs, CA · 15184 days ago · 10 km deep · 50 km away
  34. 1.617km S of Joshua Tree, CA · 15184 days ago · 8 km deep · 63 km away
  35. 2.110km NNE of Ocotillo Wells, CA · 15183 days ago · 6 km deep · 80 km away
  36. 1.610km ENE of Desert Hot Springs, CA · 15183 days ago · 3 km deep · 57 km away
  37. 2.411km NNE of Cabazon, CA · 15183 days ago · 13 km deep · 46 km away
  38. 2.020km SSW of La Quinta, CA · 15183 days ago · 5 km deep · 40 km away
  39. 1.69km SSE of Idyllwild, CA · 15183 days ago · 12 km deep · 14 km away
  40. 2.010km ENE of Desert Hot Springs, CA · 15183 days ago · 4 km deep · 58 km away
  41. 1.77km ENE of Lake Arrowhead, CA · 15183 days ago · 6 km deep · 80 km away
  42. 2.020km ESE of Julian, CA · 15183 days ago · 5 km deep · 74 km away
  43. 2.06km N of Beaumont, CA · 15183 days ago · 4 km deep · 45 km away
  44. 2.012km ENE of Indio, CA · 15183 days ago · 1 km deep · 68 km away
  45. 1.85km SSW of Lytle Creek, CA · 15183 days ago · 9 km deep · 96 km away
  46. 1.97km E of Cabazon, CA · 15183 days ago · 14 km deep · 36 km away
  47. 1.511km NE of Coachella, CA · 15183 days ago · 1 km deep · 67 km away
  48. 1.611km NE of Coachella, CA · 15183 days ago · 2 km deep · 67 km away
  49. 1.66km SW of Salton City, CA · 15182 days ago · 2 km deep · 84 km away
  50. 2.118km NNE of Pine Valley, CA · 15182 days ago · 5 km deep · 80 km away
  51. 2.312km W of Anza, CA · 15182 days ago · 4 km deep · 6 km away
  52. 2.012km W of Anza, CA · 15182 days ago · 3 km deep · 5 km away
  53. 1.911km W of Anza, CA · 15182 days ago · 3 km deep · 6 km away
  54. 1.720km ESE of Julian, CA · 15182 days ago · 5 km deep · 76 km away
  55. 1.73km NE of Anza, CA · 15182 days ago · 7 km deep · 15 km away
  56. 2.122km E of Lucerne Valley, CA · 15182 days ago · 1 km deep · 95 km away
  57. 2.011km W of Anza, CA · 15182 days ago · 4 km deep · 6 km away
  58. 2.39km WSW of Corona, CA · 15182 days ago · 5 km deep · 83 km away
  59. 2.712km W of Anza, CA · 15181 days ago · 2 km deep · 6 km away
  60. 1.515km S of Borrego Springs, CA · 15181 days ago · 8 km deep · 65 km away

The first 60 of 181.

Before

  1. 1.821km ESE of Anza, CA · 15188 days ago · 14 km deep · 34 km away
  2. 1.919km NNE of Thousand Palms, CA · 15188 days ago · 10 km deep · 63 km away
  3. 1.819km S of Joshua Tree, CA · 15188 days ago · 10 km deep · 63 km away
  4. 1.510km ENE of Desert Hot Springs, CA · 15188 days ago · 3 km deep · 58 km away
  5. 1.912km ESE of Temecula, CA · 15188 days ago · 13 km deep · 25 km away
  6. 2.022km ESE of Julian, CA · 15188 days ago · 2 km deep · 75 km away
  7. 2.018km S of Joshua Tree, CA · 15188 days ago · 9 km deep · 63 km away
  8. 1.619km S of Joshua Tree, CA · 15188 days ago · 10 km deep · 63 km away
  9. 3.618km NNE of Thousand Palms, CA · 15188 days ago · 9 km deep · 62 km away
  10. 1.65km S of Idyllwild, CA · 15188 days ago · 18 km deep · 14 km away
  11. 1.76km ENE of Lake Arrowhead, CA · 15188 days ago · 6 km deep · 80 km away
  12. 1.911km NE of Aguanga, CA · 15188 days ago · 1 km deep · 9 km away
  13. 1.722km SSW of La Quinta, CA · 15189 days ago · 9 km deep · 39 km away
  14. 1.93km SE of Chino Hills, CA · 15189 days ago · 12 km deep · 95 km away
  15. 1.621km SSW of La Quinta, CA · 15189 days ago · 9 km deep · 40 km away
  16. 1.911km W of Anza, CA · 15189 days ago · 2 km deep · 7 km away
  17. 1.610km E of Desert Hot Springs, CA · 15189 days ago · 7 km deep · 56 km away
  18. 2.08km SW of Corona, CA · 15189 days ago · 1 km deep · 80 km away
  19. 1.822km SSW of La Quinta, CA · 15189 days ago · 6 km deep · 39 km away
  20. 2.55km SW of Idyllwild, CA · 15189 days ago · 14 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci61802. Read Tue, Sep 29, 2026, 11:45 AM UTC.