California earthquakes

M1.7 earthquake 13km SE of Anza, CA

A magnitude 1.7 earthquake struck 13km SE of Anza, CA on Mon, Feb 24, 2003, 3:00 AM PST (11:00 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.6 6km N of Big Bear City, 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 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2003-02-24 11:00:55 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
33.458° N, 116.588° 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, 0.6 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
47°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.76km N of Big Bear City, CA · 8624 days ago · 5 km deep · 98 km away
  2. 1.96km N of Big Bear City, CA · 8624 days ago · 3 km deep · 98 km away
  3. 1.55km N of Big Bear City, CA · 8624 days ago · 4 km deep · 97 km away
  4. 1.65km NNE of Big Bear City, CA · 8624 days ago · 2 km deep · 97 km away
  5. 1.75km N of Big Bear City, CA · 8624 days ago · 3 km deep · 97 km away
  6. 1.65km N of Big Bear City, CA · 8624 days ago · 3 km deep · 97 km away
  7. 1.613km SE of Anza, CA · 8623 days ago · 11 km deep · 0 km away
  8. 1.56km N of Big Bear City, CA · 8623 days ago · 4 km deep · 98 km away
  9. 1.516km ESE of Julian, CA · 8623 days ago · 10 km deep · 51 km away
  10. 1.56km N of Big Bear City, CA · 8623 days ago · 4 km deep · 98 km away
  11. 2.46km N of Big Bear City, CA · 8623 days ago · 4 km deep · 99 km away
  12. 1.812km NNE of Ocotillo Wells, CA · 8623 days ago · 14 km deep · 54 km away
  13. 3.222km NNW of Borrego Springs, CA · 8623 days ago · 12 km deep · 14 km away
  14. 1.94km N of Big Bear City, CA · 8623 days ago · 3 km deep · 97 km away
  15. 1.96km N of Big Bear City, CA · 8623 days ago · 1 km deep · 99 km away
  16. 1.622km N of Borrego Springs, CA · 8623 days ago · 12 km deep · 16 km away
  17. 1.76km N of Big Bear City, CA · 8623 days ago · 3 km deep · 98 km away
  18. 1.58km S of Idyllwild, CA · 8623 days ago · 16 km deep · 26 km away
  19. 1.66km N of Big Bear City, CA · 8623 days ago · 4 km deep · 98 km away
  20. 3.06km N of Big Bear City, CA · 8623 days ago · 4 km deep · 98 km away
  21. 1.86km N of Big Bear City, CA · 8623 days ago · 4 km deep · 98 km away
  22. 2.46km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  23. 4.66km N of Big Bear City, CA · 8623 days ago · 1 km deep · 98 km away · felt by 854
  24. 2.96km N of Big Bear City, CA · 8623 days ago · 1 km deep · 98 km away
  25. 1.86km NNW of Big Bear City, CA · 8623 days ago · 4 km deep · 99 km away
  26. 2.36km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  27. 2.47km N of Big Bear City, CA · 8623 days ago · 2 km deep · 99 km away
  28. 2.36km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  29. 2.85km N of Big Bear City, CA · 8623 days ago · 3 km deep · 97 km away
  30. 2.46km N of Big Bear City, CA · 8623 days ago · 1 km deep · 98 km away
  31. 2.46km N of Big Bear City, CA · 8623 days ago · 1 km deep · 98 km away
  32. 1.85km N of Big Bear City, CA · 8623 days ago · 5 km deep · 98 km away
  33. 1.76km N of Big Bear City, CA · 8623 days ago · 1 km deep · 98 km away
  34. 1.86km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  35. 1.76km N of Big Bear City, CA · 8623 days ago · 2 km deep · 99 km away
  36. 1.97km N of Big Bear City, CA · 8623 days ago · 2 km deep · 99 km away
  37. 1.96km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  38. 1.96km N of Big Bear City, CA · 8623 days ago · 2 km deep · 98 km away
  39. 2.26km N of Big Bear City, CA · 8623 days ago · 5 km deep · 99 km away
  40. 1.79km S of Yucca Valley, CA · 8623 days ago · 10 km deep · 66 km away
  41. 1.74km N of Big Bear City, CA · 8623 days ago · 3 km deep · 96 km away
  42. 1.67km N of Big Bear City, California · 8623 days ago · 3 km deep · 99 km away
  43. 2.011km SW of Pine Valley, CA · 8622 days ago · 11 km deep · 77 km away
  44. 2.07km N of Big Bear City, CA · 8622 days ago · 3 km deep · 99 km away
  45. 1.86km NNW of Big Bear City, CA · 8622 days ago · 4 km deep · 98 km away
  46. 2.05km N of Big Bear City, CA · 8622 days ago · 3 km deep · 97 km away
  47. 1.65km N of Big Bear City, CA · 8622 days ago · 5 km deep · 98 km away
  48. 1.95km N of Big Bear City, California · 8622 days ago · 5 km deep · 98 km away
  49. 1.77km N of Big Bear City, CA · 8622 days ago · 3 km deep · 100 km away
  50. 2.65km N of Big Bear City, CA · 8622 days ago · 4 km deep · 98 km away
  51. 1.58km N of Big Bear City, California · 8622 days ago · 6 km deep · 100 km away
  52. 2.026km W of Westmorland, CA · 8622 days ago · 9 km deep · 81 km away
  53. 2.27km N of Big Bear City, CA · 8622 days ago · 3 km deep · 99 km away
  54. 1.76km N of Big Bear City, CA · 8622 days ago · 6 km deep · 98 km away
  55. 2.55km N of Big Bear City, CA · 8622 days ago · 2 km deep · 97 km away
  56. 1.77km N of Big Bear City, California · 8622 days ago · 5 km deep · 99 km away
  57. 1.66km NE of Beaumont, CA · 8621 days ago · 16 km deep · 64 km away
  58. 1.86km N of Big Bear City, CA · 8621 days ago · 3 km deep · 98 km away
  59. 1.66km N of Big Bear City, CA · 8621 days ago · 2 km deep · 98 km away
  60. 1.65km N of Big Bear City, CA · 8621 days ago · 3 km deep · 97 km away

The first 60 of 197.

Before

  1. 1.66km N of Big Bear City, CA · 8624 days ago · 3 km deep · 98 km away
  2. 2.26km N of Big Bear City, CA · 8624 days ago · 4 km deep · 98 km away
  3. 1.96km N of Big Bear City, CA · 8624 days ago · 4 km deep · 98 km away
  4. 2.96km N of Big Bear City, CA · 8624 days ago · 3 km deep · 99 km away
  5. 2.26km N of Big Bear City, CA · 8624 days ago · 3 km deep · 98 km away
  6. 1.97km N of Big Bear City, CA · 8624 days ago · 3 km deep · 99 km away
  7. 1.612km SSE of Anza, CA · 8624 days ago · 9 km deep · 3 km away
  8. 3.36km N of Big Bear City, CA · 8624 days ago · 5 km deep · 98 km away
  9. 1.66km N of Big Bear City, CA · 8624 days ago · 5 km deep · 98 km away
  10. 3.05km NNE of Big Bear City, CA · 8624 days ago · 2 km deep · 97 km away
  11. 1.85km N of Big Bear City, CA · 8624 days ago · 3 km deep · 97 km away
  12. 1.75km N of Big Bear City, CA · 8624 days ago · 3 km deep · 98 km away
  13. 1.76km NNW of Big Bear City, CA · 8624 days ago · 3 km deep · 99 km away
  14. 1.75km N of Big Bear City, CA · 8624 days ago · 3 km deep · 97 km away
  15. 1.55km N of Big Bear City, CA · 8624 days ago · 5 km deep · 98 km away
  16. 1.96km N of Big Bear City, CA · 8624 days ago · 5 km deep · 99 km away
  17. 1.66km N of Big Bear City, CA · 8624 days ago · 2 km deep · 98 km away
  18. 1.85km N of Big Bear City, CA · 8624 days ago · 3 km deep · 97 km away
  19. 2.06km N of Big Bear City, CA · 8624 days ago · 3 km deep · 98 km away
  20. 1.85km N of Big Bear City, CA · 8624 days ago · 2 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci13938348. Read Mon, Oct 5, 2026, 2:57 AM UTC.