California earthquakes

M1.7 earthquake 16km SE of Anza, CA

A magnitude 1.7 earthquake struck 16km SE of Anza, CA on Sun, Jul 21, 2002, 2:49 AM PDT (09:49 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 1km NE of Westmorland, CA. This one was a foreshock.

Anza forecastMore in California

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-07-21 09:49:29 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
33.453° N, 116.545° 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 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
40°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.623km ESE of Anza, CA · 8842 days ago · 13 km deep · 10 km away
  2. 1.614km NNE of Borrego Springs, CA · 8841 days ago · 10 km deep · 24 km away
  3. 1.55km SE of Loma Linda, California · 8841 days ago · 11 km deep · 89 km away
  4. 1.85km SE of Loma Linda, California · 8840 days ago · 6 km deep · 88 km away
  5. 1.95km NNE of Banning, CA · 8840 days ago · 18 km deep · 64 km away
  6. 2.410km NE of Borrego Springs, CA · 8840 days ago · 8 km deep · 29 km away
  7. 1.62km NE of Yucca Valley, CA · 8839 days ago · 9 km deep · 76 km away
  8. 1.515km SE of Julian, CA · 8839 days ago · 10 km deep · 52 km away
  9. 1.86km NNE of Lake Henshaw, CA · 8839 days ago · 10 km deep · 26 km away
  10. 1.54km NW of Calimesa, California · 8838 days ago · 14 km deep · 80 km away
  11. 2.16km SE of Lake Henshaw, CA · 8838 days ago · 7 km deep · 33 km away
  12. 1.95km SSE of Loma Linda, California · 8838 days ago · 12 km deep · 89 km away
  13. 2.49km ENE of Ocotillo Wells, CA · 8837 days ago · 5 km deep · 55 km away
  14. 1.78km ENE of Ocotillo Wells, CA · 8837 days ago · 4 km deep · 56 km away
  15. 1.518km SSE of Joshua Tree, CA · 8835 days ago · 6 km deep · 64 km away
  16. 1.56km E of Anza, CA · 8835 days ago · 17 km deep · 14 km away
  17. 1.66km SW of Salton City, CA · 8835 days ago · 3 km deep · 54 km away
  18. 1.611km NE of Trabuco Canyon, CA · 8835 days ago · 5 km deep · 94 km away
  19. 1.822km WSW of Ocotillo, CA · 8834 days ago · 4 km deep · 98 km away
  20. 1.52km SW of Loma Linda, California · 8834 days ago · 5 km deep · 94 km away
  21. 1.83km NE of Ocotillo Wells, CA · 8834 days ago · 10 km deep · 52 km away
  22. 2.928km SSW of Ocotillo Wells, CA · 8833 days ago · 8 km deep · 66 km away
  23. 1.628km SSW of Ocotillo Wells, CA · 8833 days ago · 8 km deep · 67 km away
  24. 2.15km S of Banning, CA · 8832 days ago · 15 km deep · 56 km away
  25. 1.618km SW of Ocotillo, CA · 8832 days ago · 6 km deep · 99 km away
  26. 1.719km N of Ocotillo, California · 8832 days ago · 6 km deep · 81 km away
  27. 1.719km N of Ocotillo, CA · 8832 days ago · 4 km deep · 81 km away
  28. 1.77km S of Idyllwild, CA · 8832 days ago · 16 km deep · 30 km away
  29. 1.57km NNW of Borrego Springs, CA · 8832 days ago · 4 km deep · 21 km away
  30. 2.51km WSW of Aguanga, CA · 8830 days ago · 13 km deep · 31 km away
  31. 1.527km SSW of Ocotillo Wells, CA · 8830 days ago · 8 km deep · 66 km away
  32. 1.68km E of Big Bear City, CA · 8830 days ago · 2 km deep · 92 km away
  33. 1.68km E of Big Bear City, CA · 8830 days ago · 2 km deep · 91 km away
  34. 1.913km NNE of Borrego Springs, CA · 8830 days ago · 12 km deep · 24 km away
  35. 1.76km SW of Niland, CA · 8829 days ago · 2 km deep · 95 km away
  36. 1.714km SSE of Valle Vista, California · 8829 days ago · 14 km deep · 34 km away
  37. 2.14km NNW of Murrieta, CA · 8829 days ago · 14 km deep · 66 km away
  38. 2.010km WNW of Calipatria, CA · 8829 days ago · 4 km deep · 92 km away
  39. 2.410km WNW of Calipatria, CA · 8829 days ago · 5 km deep · 92 km away
  40. 1.67km SSW of Niland, CA · 8828 days ago · 3 km deep · 96 km away
  41. 1.518km ENE of Borrego Springs, CA · 8828 days ago · 10 km deep · 36 km away
  42. 2.113km SW of Borrego Springs, CA · 8828 days ago · 14 km deep · 33 km away
  43. 1.66km SE of Bombay Beach, CA · 8828 days ago · 5 km deep · 81 km away
  44. 2.64km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 98 km away
  45. 2.54km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 98 km away
  46. 1.74km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 98 km away
  47. 1.69km NNW of Borrego Springs, CA · 8827 days ago · 6 km deep · 18 km away
  48. 1.52km SSE of Loma Linda, CA · 8826 days ago · 17 km deep · 91 km away
  49. 1.621km ESE of Anza, CA · 8826 days ago · 6 km deep · 10 km away
  50. 1.54km SSW of Idyllwild, CA · 8826 days ago · 18 km deep · 34 km away
  51. 1.610km SW of Salton City, CA · 8826 days ago · 0 km deep · 52 km away
  52. 1.526km N of Yucca Valley, California · 8826 days ago · 6 km deep · 100 km away
  53. 1.713km N of Borrego Springs, CA · 8825 days ago · 3 km deep · 17 km away
  54. 1.610km E of Borrego Springs, CA · 8825 days ago · 7 km deep · 34 km away
  55. 2.58km W of Calipatria, CA · 8825 days ago · 13 km deep · 95 km away
  56. 1.618km SE of Anza, CA · 8825 days ago · 12 km deep · 3 km away
  57. 2.03km E of Home Gardens, CA · 8824 days ago · 13 km deep · 100 km away
  58. 1.66km NE of Moreno Valley, CA · 8824 days ago · 18 km deep · 81 km away
  59. 1.66km SW of Calimesa, CA · 8824 days ago · 14 km deep · 75 km away
  60. 1.611km ENE of Ocotillo Wells, CA · 8824 days ago · 10 km deep · 56 km away

The first 60 of 174.

Before

  1. 1.621km N of Yucca Valley, CA · 8842 days ago · 5 km deep · 95 km away
  2. 1.511km NNE of Ocotillo Wells, CA · 8842 days ago · 9 km deep · 51 km away
  3. 1.621km N of Yucca Valley, CA · 8842 days ago · 7 km deep · 95 km away
  4. 2.025km ENE of Pine Valley, CA · 8842 days ago · 12 km deep · 63 km away
  5. 1.620km N of Yucca Valley, CA · 8843 days ago · 5 km deep · 94 km away
  6. 1.513km E of Desert Hot Springs, CA · 8844 days ago · 4 km deep · 59 km away
  7. 1.712km N of Borrego Springs, CA · 8844 days ago · 15 km deep · 19 km away
  8. 2.119km N of Ocotillo, CA · 8845 days ago · 10 km deep · 80 km away
  9. 1.76km WSW of Idyllwild, CA · 8845 days ago · 17 km deep · 36 km away
  10. 1.712km NE of Cabazon, CA · 8845 days ago · 13 km deep · 64 km away
  11. 1.65km SE of Loma Linda, CA · 8845 days ago · 17 km deep · 88 km away
  12. 1.713km NNE of Cabazon, CA · 8845 days ago · 13 km deep · 67 km away
  13. 2.27km N of Valle Vista, CA · 8846 days ago · 16 km deep · 51 km away
  14. 1.73km NNE of Ocotillo Wells, CA · 8846 days ago · 6 km deep · 51 km away
  15. 1.63km E of Banning, CA · 8847 days ago · 4 km deep · 60 km away
  16. 2.713km N of Borrego Springs, CA · 8847 days ago · 3 km deep · 17 km away
  17. 1.64km WSW of Idyllwild, CA · 8847 days ago · 16 km deep · 36 km away
  18. 1.94km ENE of Ocotillo Wells, CA · 8848 days ago · 9 km deep · 53 km away
  19. 1.84km NE of Ocotillo Wells, CA · 8849 days ago · 8 km deep · 52 km away
  20. 1.821km ESE of Anza, CA · 8849 days ago · 11 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9802673. Read Mon, Oct 5, 2026, 3:16 AM UTC.