California earthquakes

M1.8 earthquake 11km NW of Anza, CA

A magnitude 1.8 earthquake struck 11km NW of Anza, CA on Fri, Sep 27, 1985, 2:36 AM PDT (09:36 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.6 3km SSE of Loma Linda, 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
1985-09-27 09:36:56 UTC
Depth
15.3 km (9.5 mi), shallow
Epicenter
33.636° N, 116.743° 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: 180 in the 60 days after this one and 180 in the 30 days before it.

After

  1. 1.922km ESE of Anza, CA · 14981 days ago · 13 km deep · 32 km away
  2. 1.88km SE of Valle Vista, CA · 14981 days ago · 16 km deep · 10 km away
  3. 2.016km SW of Oasis, CA · 14981 days ago · 11 km deep · 59 km away
  4. 2.05km N of Banning, CA · 14981 days ago · 19 km deep · 39 km away
  5. 1.62km NNW of Yucca Valley, CA · 14981 days ago · 10 km deep · 62 km away
  6. 1.610km N of Idyllwild, CA · 14981 days ago · 10 km deep · 22 km away
  7. 1.518km NE of Thermal, CA · 14980 days ago · -1 km deep · 71 km away
  8. 1.83km ENE of Anza, CA · 14980 days ago · 4 km deep · 12 km away
  9. 1.54km SSW of Idyllwild, CA · 14980 days ago · 16 km deep · 8 km away
  10. 1.53km NE of Anza, CA · 14980 days ago · 5 km deep · 10 km away
  11. 1.611km NW of Garnet, CA · 14980 days ago · 10 km deep · 37 km away
  12. 1.88km SSW of Idyllwild, CA · 14980 days ago · 16 km deep · 5 km away
  13. 1.88km ENE of Cabazon, CA · 14980 days ago · 14 km deep · 36 km away
  14. 1.611km SSW of Idyllwild, CA · 14980 days ago · 13 km deep · 2 km away
  15. 2.017km N of Joshua Tree, CA · 14980 days ago · 1 km deep · 81 km away
  16. 1.710km NNE of Nuevo, CA · 14980 days ago · 8 km deep · 43 km away
  17. 1.510km ESE of Anza, CA · 14979 days ago · 12 km deep · 21 km away
  18. 1.612km NNE of Banning, CA · 14979 days ago · 15 km deep · 44 km away
  19. 2.54km N of Cabazon, CA · 14979 days ago · 11 km deep · 36 km away
  20. 2.05km ENE of Beaumont, CA · 14979 days ago · 13 km deep · 39 km away
  21. 2.017km ESE of Julian, CA · 14979 days ago · 5 km deep · 74 km away
  22. 1.92km SW of Calimesa, CA · 14979 days ago · 14 km deep · 48 km away
  23. 1.89km NNE of Big Bear City, CA · 14979 days ago · 5 km deep · 78 km away
  24. 2.14km NNE of Fontana, CA · 14979 days ago · 2 km deep · 85 km away
  25. 2.37km W of Borrego Springs, CA · 14979 days ago · 3 km deep · 50 km away
  26. 1.87km W of Borrego Springs, CA · 14979 days ago · 2 km deep · 50 km away
  27. 1.912km SW of Salton City, CA · 14979 days ago · 5 km deep · 81 km away
  28. 1.76km ESE of Winchester, CA · 14979 days ago · 10 km deep · 27 km away
  29. 1.610km S of Idyllwild, CA · 14979 days ago · 12 km deep · 3 km away
  30. 2.08km N of Rancho Cucamonga, CA · 14979 days ago · 7 km deep · 99 km away
  31. 1.65km SW of Banning, CA · 14978 days ago · 13 km deep · 33 km away
  32. 1.55km NE of Ocotillo Wells, CA · 14978 days ago · 7 km deep · 78 km away
  33. 1.79km NNW of Idyllwild, CA · 14977 days ago · 13 km deep · 20 km away
  34. 1.93km SE of Loma Linda, CA · 14977 days ago · 19 km deep · 63 km away
  35. 2.314km SW of Lucerne Valley, CA · 14977 days ago · 0 km deep · 84 km away
  36. 1.610km WNW of Palomar Observatory, CA · 14977 days ago · 15 km deep · 33 km away
  37. 1.810km WNW of Palomar Observatory, CA · 14977 days ago · 14 km deep · 33 km away
  38. 1.710km WNW of Palomar Observatory, CA · 14977 days ago · 15 km deep · 33 km away
  39. 1.910km WNW of Palomar Observatory, CA · 14977 days ago · 15 km deep · 34 km away
  40. 2.08km SSE of Redlands, CA · 14977 days ago · 16 km deep · 54 km away
  41. 1.78km SW of Idyllwild, CA · 14977 days ago · 13 km deep · 8 km away
  42. 1.619km ESE of Anza, CA · 14977 days ago · 11 km deep · 30 km away
  43. 1.918km NNE of Borrego Springs, CA · 14976 days ago · 10 km deep · 52 km away
  44. 2.323km N of Yucca Valley, CA · 14976 days ago · 0 km deep · 81 km away
  45. 1.99km WSW of Aguanga, CA · 14976 days ago · 12 km deep · 32 km away
  46. 1.67km SW of Aguanga, CA · 14976 days ago · 0 km deep · 31 km away
  47. 2.31km ENE of Loma Linda, CA · 14975 days ago · 16 km deep · 66 km away
  48. 4.63km SSE of Loma Linda, CA · 14975 days ago · 15 km deep · 63 km away
  49. 1.69km SSW of Idyllwild, CA · 14975 days ago · 10 km deep · 3 km away
  50. 1.94km SSE of Loma Linda, CA · 14975 days ago · 13 km deep · 63 km away
  51. 2.74km SE of Loma Linda, CA · 14975 days ago · 10 km deep · 63 km away
  52. 1.83km SSE of Loma Linda, CA · 14975 days ago · 14 km deep · 64 km away
  53. 1.79km SSW of Idyllwild, CA · 14975 days ago · 10 km deep · 3 km away
  54. 1.92km ESE of Loma Linda, CA · 14975 days ago · 14 km deep · 64 km away
  55. 2.19km NE of Vista, CA · 14975 days ago · 6 km deep · 58 km away
  56. 1.811km ENE of Desert Hot Springs, CA · 14975 days ago · 3 km deep · 52 km away
  57. 1.73km SE of Loma Linda, CA · 14975 days ago · 15 km deep · 64 km away
  58. 1.515km S of Salton City, CA · 14975 days ago · 5 km deep · 89 km away
  59. 2.02km NE of Colton, CA · 14974 days ago · 7 km deep · 71 km away
  60. 2.12km ENE of Colton, CA · 14974 days ago · 13 km deep · 71 km away

The first 60 of 180.

Before

  1. 1.71km WSW of Yucca Valley, CA · 14981 days ago · 5 km deep · 60 km away
  2. 1.52km W of Yucca Valley, CA · 14981 days ago · 8 km deep · 60 km away
  3. 1.72km WSW of Yucca Valley, CA · 14981 days ago · 5 km deep · 59 km away
  4. 1.81km WSW of Yucca Valley, CA · 14981 days ago · 5 km deep · 60 km away
  5. 1.62km SW of Yucca Valley, CA · 14981 days ago · 2 km deep · 59 km away
  6. 1.824km ESE of Anza, CA · 14981 days ago · 12 km deep · 34 km away
  7. 2.01km SW of Yucca Valley, CA · 14981 days ago · 5 km deep · 59 km away
  8. 1.62km W of Yucca Valley, CA · 14981 days ago · 10 km deep · 59 km away
  9. 1.52km WSW of Yucca Valley, CA · 14981 days ago · 10 km deep · 59 km away
  10. 1.91km WSW of Yucca Valley, CA · 14981 days ago · 9 km deep · 59 km away
  11. 1.61km W of Yucca Valley, CA · 14981 days ago · 5 km deep · 60 km away
  12. 2.31km SW of Yucca Valley, CA · 14981 days ago · 5 km deep · 59 km away
  13. 1.62km W of Yucca Valley, CA · 14981 days ago · 13 km deep · 59 km away
  14. 1.61km W of Yucca Valley, CA · 14981 days ago · 8 km deep · 60 km away
  15. 2.12km SSW of Yucca Valley, CA · 14981 days ago · 11 km deep · 59 km away
  16. 2.23km ESE of Beaumont, CA · 14981 days ago · 13 km deep · 37 km away
  17. 1.71km SW of Yucca Valley, CA · 14981 days ago · 3 km deep · 60 km away
  18. 1.92km SW of Yucca Valley, CA · 14981 days ago · 2 km deep · 59 km away
  19. 1.61km NNW of Yucca Valley, CA · 14981 days ago · 12 km deep · 61 km away
  20. 1.72km NE of Anza, CA · 14981 days ago · 10 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci120545. Read Sat, Oct 3, 2026, 8:49 AM UTC.