California earthquakes

M1.7 earthquake 11km WSW of Anza, CA

A magnitude 1.7 earthquake struck 11km WSW of Anza, CA on Sun, Jul 5, 1981, 3:01 AM PDT (10:01 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.4 11km ENE 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
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-07-05 10:01:12 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
33.514° N, 116.780° 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.

Location uncertainty
About 0.5 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
39°
Stations used
37

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 188 in the 30 days before it.

After

  1. 1.96km N of Big Bear City, CA · 16524 days ago · 4 km deep · 89 km away
  2. 2.010km ENE of Aguanga, CA · 16523 days ago · 4 km deep · 3 km away
  3. 1.57km S of Salton City, CA · 16523 days ago · 4 km deep · 82 km away
  4. 1.75km SSW of Salton City, CA · 16523 days ago · 3 km deep · 79 km away
  5. 1.75km SSW of Salton City, CA · 16523 days ago · 5 km deep · 80 km away
  6. 1.911km NW of Ocotillo Wells, CA · 16522 days ago · 7 km deep · 62 km away
  7. 2.721km NE of Pine Valley, CA · 16522 days ago · 15 km deep · 74 km away
  8. 1.815km ESE of Anza, CA · 16521 days ago · 13 km deep · 24 km away
  9. 2.111km NE of Aguanga, CA · 16521 days ago · 4 km deep · 1 km away
  10. 1.56km SSW of Salton City, CA · 16521 days ago · 4 km deep · 80 km away
  11. 2.06km NW of Fontana, CA · 16521 days ago · 14 km deep · 96 km away
  12. 1.76km SSW of Salton City, CA · 16521 days ago · 4 km deep · 80 km away
  13. 1.69km NNE of Ocotillo Wells, CA · 16521 days ago · 2 km deep · 72 km away
  14. 1.89km NE of Aguanga, CA · 16521 days ago · 4 km deep · 2 km away
  15. 1.66km S of Salton City, CA · 16521 days ago · 5 km deep · 82 km away
  16. 1.617km SW of Ocotillo Wells, CA · 16520 days ago · 5 km deep · 71 km away
  17. 1.517km SW of Ocotillo Wells, CA · 16520 days ago · 6 km deep · 70 km away
  18. 1.611km WSW of Anza, CA · 16520 days ago · 3 km deep · 1 km away
  19. 1.95km SW of Salton City, CA · 16520 days ago · 2 km deep · 78 km away
  20. 1.823km ESE of Anza, CA · 16520 days ago · 8 km deep · 31 km away
  21. 1.518km N of Borrego Springs, CA · 16520 days ago · 12 km deep · 38 km away
  22. 3.04km WNW of Lake Henshaw, CA · 16520 days ago · 8 km deep · 29 km away
  23. 1.634km NNE of North Shore, CA · 16519 days ago · 3 km deep · 98 km away
  24. 1.719km SSW of Ocotillo Wells, CA · 16519 days ago · 2 km deep · 78 km away
  25. 2.66km SSW of Salton City, CA · 16519 days ago · 5 km deep · 80 km away
  26. 2.46km SSW of Salton City, CA · 16519 days ago · 3 km deep · 79 km away
  27. 1.95km SSW of Salton City, CA · 16519 days ago · 3 km deep · 81 km away
  28. 1.66km SSW of Salton City, CA · 16519 days ago · 3 km deep · 81 km away
  29. 1.522km NNW of Yucca Valley, CA · 16518 days ago · 2 km deep · 92 km away
  30. 1.76km SSW of Salton City, CA · 16518 days ago · 4 km deep · 80 km away
  31. 1.66km SSW of Salton City, CA · 16518 days ago · 4 km deep · 80 km away
  32. 1.54km S of Salton City, CA · 16518 days ago · 6 km deep · 81 km away
  33. 1.69km SW of Corona, CA · 16518 days ago · 7 km deep · 87 km away
  34. 2.08km E of Borrego Springs, CA · 16517 days ago · 12 km deep · 55 km away
  35. 1.934km NNE of North Shore, CA · 16516 days ago · 3 km deep · 98 km away
  36. 1.66km WSW of Salton City, CA · 16516 days ago · 2 km deep · 76 km away
  37. 2.46km WSW of Salton City, CA · 16516 days ago · 4 km deep · 76 km away
  38. 1.58km W of Salton City, CA · 16516 days ago · 4 km deep · 73 km away
  39. 1.77km WSW of Salton City, CA · 16516 days ago · 2 km deep · 75 km away
  40. 1.86km WSW of Salton City, CA · 16516 days ago · 2 km deep · 76 km away
  41. 1.57km N of Ocotillo Wells, CA · 16516 days ago · 8 km deep · 68 km away
  42. 1.624km ESE of Anza, CA · 16515 days ago · 11 km deep · 32 km away
  43. 1.52km NW of Cabazon, CA · 16515 days ago · 16 km deep · 46 km away
  44. 1.734km NNE of North Shore, CA · 16514 days ago · 6 km deep · 98 km away
  45. 1.534km NNE of North Shore, CA · 16514 days ago · 3 km deep · 98 km away
  46. 1.912km ENE of Thermal, CA · 16512 days ago · 4 km deep · 73 km away
  47. 1.58km NE of Borrego Springs, CA · 16511 days ago · 3 km deep · 49 km away
  48. 1.59km SSW of Corona, CA · 16511 days ago · 3 km deep · 83 km away
  49. 1.57km SW of Salton City, CA · 16511 days ago · 3 km deep · 78 km away
  50. 3.11km SW of Anza, CA · 16511 days ago · 7 km deep · 10 km away
  51. 1.69km NE of Aguanga, CA · 16510 days ago · 3 km deep · 3 km away
  52. 2.012km ENE of Coachella, CA · 16510 days ago · 3 km deep · 71 km away
  53. 1.56km SSW of Salton City, CA · 16510 days ago · 4 km deep · 81 km away
  54. 2.811km ENE of Coachella, CA · 16510 days ago · 2 km deep · 70 km away
  55. 1.511km NNW of Borrego Springs, CA · 16509 days ago · 3 km deep · 39 km away
  56. 1.72km ESE of Loma Linda, CA · 16509 days ago · 16 km deep · 72 km away
  57. 2.46km S of Salton City, CA · 16508 days ago · 6 km deep · 81 km away
  58. 1.631km SE of Twentynine Palms, CA · 16508 days ago · 4 km deep · 96 km away
  59. 1.511km NE of Aguanga, CA · 16507 days ago · 3 km deep · 1 km away
  60. 1.710km ENE of Borrego Springs, CA · 16507 days ago · 9 km deep · 52 km away

The first 60 of 183.

Before

  1. 2.15km N of Big Bear City, CA · 16524 days ago · 4 km deep · 88 km away
  2. 1.68km NE of Borrego Springs, CA · 16524 days ago · 13 km deep · 48 km away
  3. 1.616km S of Joshua Tree, CA · 16524 days ago · 3 km deep · 69 km away
  4. 1.917km S of Joshua Tree, CA · 16524 days ago · -1 km deep · 68 km away
  5. 1.59km NNE of Borrego Springs, CA · 16524 days ago · 10 km deep · 45 km away
  6. 3.24km NW of Lakeland Village, CA · 16524 days ago · 11 km deep · 58 km away
  7. 1.64km SSW of Big Bear Lake, CA · 16524 days ago · 6 km deep · 78 km away
  8. 1.75km SSW of Salton City, CA · 16524 days ago · 4 km deep · 80 km away
  9. 1.517km S of Joshua Tree, CA · 16524 days ago · 4 km deep · 69 km away
  10. 1.812km NW of Warner Springs, CA · 16525 days ago · 9 km deep · 18 km away
  11. 1.51km NE of Loma Linda, CA · 16525 days ago · 13 km deep · 74 km away
  12. 2.318km S of Joshua Tree, CA · 16525 days ago · 0 km deep · 68 km away
  13. 1.55km SSW of Salton City, CA · 16525 days ago · 4 km deep · 79 km away
  14. 1.620km ESE of Anza, CA · 16525 days ago · 13 km deep · 28 km away
  15. 1.519km ESE of Anza, CA · 16525 days ago · 11 km deep · 27 km away
  16. 1.516km ESE of Anza, CA · 16526 days ago · 13 km deep · 24 km away
  17. 1.710km NE of Aguanga, CA · 16526 days ago · 4 km deep · 2 km away
  18. 1.69km ENE of Aguanga, CA · 16526 days ago · 4 km deep · 3 km away
  19. 2.96km SSW of Salton City, CA · 16526 days ago · 5 km deep · 81 km away
  20. 1.523km ESE of Anza, CA · 16526 days ago · 5 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci518929. Read Thu, Oct 1, 2026, 2:51 AM UTC.