California earthquakes

M1.8 earthquake 6km ENE of Anza, CA

A magnitude 1.8 earthquake struck 6km ENE of Anza, CA on Wed, Aug 21, 2002, 6:55 PM PDT (01:55 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.3 9km N of Ocotillo Wells, 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 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-08-22 01:55:19 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
33.580° N, 116.620° 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 0.8 km horizontally, 1.1 km in depth
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 109 in the 30 days before it.

After

  1. 1.94km SSE of Redlands, California · 8810 days ago · 7 km deep · 71 km away
  2. 2.016km SE of Anza, CA · 8809 days ago · 13 km deep · 15 km away
  3. 2.26km NNW of Big Bear City, CA · 8809 days ago · 3 km deep · 84 km away
  4. 1.53km SSE of Loma Linda, California · 8809 days ago · 17 km deep · 76 km away
  5. 2.04km SE of Ocotillo Wells, California · 8807 days ago · 6 km deep · 70 km away
  6. 1.87km N of Big Bear City, CA · 8807 days ago · 3 km deep · 85 km away
  7. 1.64km SE of Garnet, CA · 8807 days ago · 3 km deep · 35 km away
  8. 1.937km N of Yucca Valley, CA · 8807 days ago · 8 km deep · 97 km away
  9. 1.86km E of Calimesa, CA · 8806 days ago · 18 km deep · 57 km away
  10. 1.815km N of Yucca Valley, CA · 8805 days ago · 2 km deep · 77 km away
  11. 1.87km NNE of Fontana, CA · 8805 days ago · 10 km deep · 99 km away
  12. 1.810km NE of Ocotillo Wells, CA · 8805 days ago · 8 km deep · 68 km away
  13. 1.613km N of Borrego Springs, CA · 8805 days ago · 12 km deep · 31 km away
  14. 1.728km N of Yucca Valley, CA · 8804 days ago · 7 km deep · 89 km away
  15. 2.126km N of Yucca Valley, CA · 8804 days ago · 3 km deep · 87 km away
  16. 2.08km NNE of Beaumont, CA · 8804 days ago · 9 km deep · 55 km away
  17. 2.28km NNE of Beaumont, CA · 8803 days ago · 9 km deep · 55 km away
  18. 1.536km NNW of Yucca Valley, California · 8803 days ago · 3 km deep · 95 km away
  19. 1.56km NW of Glen Avon, CA · 8802 days ago · 10 km deep · 99 km away
  20. 1.66km N of Yucca Valley, CA · 8802 days ago · 9 km deep · 67 km away
  21. 1.68km NE of Moreno Valley, CA · 8802 days ago · 12 km deep · 66 km away
  22. 1.73km E of San Jacinto, CA · 8802 days ago · 12 km deep · 36 km away
  23. 1.76km NW of Big Bear City, CA · 8801 days ago · 6 km deep · 84 km away
  24. 1.86km NW of Big Bear City, CA · 8801 days ago · 6 km deep · 84 km away
  25. 1.515km N of Yucca Valley, CA · 8800 days ago · 4 km deep · 76 km away
  26. 1.910km NNE of Borrego Springs, CA · 8800 days ago · 12 km deep · 37 km away
  27. 1.610km SW of Idyllwild, CA · 8799 days ago · 14 km deep · 20 km away
  28. 2.530km N of Yucca Valley, CA · 8799 days ago · 3 km deep · 90 km away
  29. 1.76km SE of Loma Linda, CA · 8799 days ago · 9 km deep · 73 km away
  30. 1.713km ENE of Borrego Springs, CA · 8798 days ago · 9 km deep · 46 km away
  31. 1.85km E of Calimesa, CA · 8797 days ago · 13 km deep · 57 km away
  32. 2.88km NNW of Anza, CA · 8797 days ago · 13 km deep · 8 km away
  33. 1.79km SW of Idyllwild, CA · 8796 days ago · 15 km deep · 19 km away
  34. 2.04km ESE of Big Bear City, CA · 8796 days ago · 1 km deep · 76 km away
  35. 1.714km NE of Yucaipa, CA · 8796 days ago · 2 km deep · 65 km away
  36. 1.55km S of Redlands, CA · 8796 days ago · 14 km deep · 71 km away
  37. 2.027km N of Yucca Valley, CA · 8796 days ago · 7 km deep · 88 km away
  38. 2.726km N of Yucca Valley, CA · 8795 days ago · 7 km deep · 87 km away
  39. 1.726km N of Yucca Valley, CA · 8795 days ago · 8 km deep · 87 km away
  40. 1.625km N of Yucca Valley, California · 8795 days ago · 6 km deep · 86 km away
  41. 1.56km SE of Loma Linda, CA · 8795 days ago · 10 km deep · 73 km away
  42. 1.66km SE of Loma Linda, California · 8795 days ago · 10 km deep · 73 km away
  43. 1.76km SE of Loma Linda, CA · 8795 days ago · 10 km deep · 73 km away
  44. 1.727km N of Yucca Valley, California · 8795 days ago · 4 km deep · 87 km away
  45. 2.432km N of Yucca Valley, CA · 8795 days ago · 2 km deep · 92 km away
  46. 1.719km NNW of Borrego Springs, CA · 8794 days ago · 14 km deep · 24 km away
  47. 1.711km NNE of Cabazon, CA · 8794 days ago · 12 km deep · 50 km away
  48. 2.87km SSW of Devore, CA · 8794 days ago · 5 km deep · 100 km away
  49. 2.833km N of Yucca Valley, CA · 8794 days ago · 2 km deep · 93 km away
  50. 1.61km WNW of Loma Linda, CA · 8793 days ago · 16 km deep · 80 km away
  51. 1.612km ESE of Julian, CA · 8793 days ago · 14 km deep · 60 km away
  52. 1.816km SSW of Borrego Springs, CA · 8792 days ago · 6 km deep · 54 km away
  53. 2.229km N of Yucca Valley, CA · 8792 days ago · 2 km deep · 89 km away
  54. 2.04km SE of Loma Linda, CA · 8792 days ago · 13 km deep · 75 km away
  55. 1.612km SSE of Big Bear City, CA · 8791 days ago · 3 km deep · 67 km away
  56. 1.88km S of Joshua Tree, CA · 8791 days ago · 10 km deep · 60 km away
  57. 1.76km NE of Cabazon, CA · 8791 days ago · 15 km deep · 43 km away
  58. 1.712km SSE of Big Bear City, CA · 8791 days ago · 3 km deep · 67 km away
  59. 1.910km NNW of Anza, CA · 8790 days ago · 16 km deep · 12 km away
  60. 1.913km ENE of Borrego Springs, CA · 8790 days ago · 4 km deep · 46 km away

The first 60 of 171.

Before

  1. 2.23km SE of Loma Linda, CA · 8810 days ago · 15 km deep · 76 km away
  2. 2.117km W of Oasis, CA · 8810 days ago · 10 km deep · 33 km away
  3. 1.67km E of Moreno Valley, California · 8810 days ago · 12 km deep · 62 km away
  4. 1.57km E of Moreno Valley, CA · 8810 days ago · 13 km deep · 62 km away
  5. 1.88km E of Moreno Valley, California · 8810 days ago · 8 km deep · 61 km away
  6. 1.622km NNW of Borrego Springs, CA · 8811 days ago · 12 km deep · 21 km away
  7. 1.810km NE of Ocotillo Wells, CA · 8811 days ago · 7 km deep · 68 km away
  8. 2.222km N of Yucca Valley, CA · 8811 days ago · 1 km deep · 83 km away
  9. 1.614km NNW of Joshua Tree, CA · 8812 days ago · 3 km deep · 77 km away
  10. 1.64km W of San Jacinto, CA · 8812 days ago · 14 km deep · 42 km away
  11. 2.16km N of Lake Henshaw, CA · 8813 days ago · 9 km deep · 34 km away
  12. 1.811km N of Borrego Springs, CA · 8813 days ago · 11 km deep · 34 km away
  13. 1.723km N of Yucca Valley, CA · 8813 days ago · 7 km deep · 83 km away
  14. 1.514km ESE of Anza, CA · 8813 days ago · 11 km deep · 11 km away
  15. 1.98km NNW of Borrego Springs, CA · 8814 days ago · 6 km deep · 34 km away
  16. 1.98km NNW of Borrego Springs, CA · 8814 days ago · 6 km deep · 34 km away
  17. 2.012km WSW of Salton City, CA · 8815 days ago · 11 km deep · 63 km away
  18. 1.912km WSW of Salton City, CA · 8815 days ago · 11 km deep · 62 km away
  19. 1.58km WNW of Palomar Observatory, CA · 8815 days ago · 13 km deep · 38 km away
  20. 1.55km NNE of Fontana, California · 8815 days ago · 12 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9813037. Read Mon, Oct 5, 2026, 4:41 AM UTC.