M1.7 earthquake 4km NW of Boron, California

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Aug 11, 2002, 6:41 PM PDT

UTC

2002-08-12 01:41:57 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

35.031° N, 117.676° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 21.8 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

78°

Stations used

13

• Boron, CaliforniaPopulation 2,253. Forecast4 kmNNW
• California City, CaliforniaPopulation 13,277. Forecast30 kmESE
• Lancaster, CaliforniaPopulation 161,103. Forecast56 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast121 kmNNE

After

1. 1.625km SSE of Trona, CAMon, Aug 12, 6:19 PM PDT · 8820 days ago · 5 km deep · 70 km away
2. 3.07km SSW of Devore, CATue, Aug 13, 3:09 AM PDT · 8819 days ago · 6 km deep · 99 km away · felt by 150
3. 1.96km NNE of Fontana, CATue, Aug 13, 3:14 AM PDT · 8819 days ago · 6 km deep · 100 km away
4. 2.77km SSW of Devore, CATue, Aug 13, 3:15 AM PDT · 8819 days ago · 2 km deep · 99 km away
5. 1.88km ESE of Johannesburg, CATue, Aug 13, 11:08 AM PDT · 8819 days ago · 5 km deep · 37 km away
6. 1.57km NNE of Fontana, CATue, Aug 13, 10:57 PM PDT · 8818 days ago · 5 km deep · 99 km away
7. 2.57km N of Fontana, CAWed, Aug 14, 6:24 PM PDT · 8818 days ago · 9 km deep · 99 km away
8. 1.620km NNW of Tehachapi, CAWed, Aug 14, 7:27 PM PDT · 8818 days ago · 8 km deep · 86 km away
9. 1.538km W of Fort Irwin, CaliforniaSat, Aug 17, 1:50 AM PDT · 8815 days ago · 11 km deep · 60 km away
10. 1.811km ESE of Tehachapi, CATue, Aug 20, 5:25 AM PDT · 8812 days ago · 4 km deep · 61 km away
11. 1.620km W of Searles Valley, CaliforniaThu, Aug 22, 1:02 PM PDT · 8810 days ago · 7 km deep · 86 km away
12. 2.026km SE of Barstow, CaliforniaThu, Aug 22, 2:51 PM PDT · 8810 days ago · 7 km deep · 86 km away
13. 1.823km W of Inyokern, CAFri, Aug 23, 8:14 PM PDT · 8808 days ago · 12 km deep · 80 km away
14. 1.55km ESE of Santa Clarita, CaliforniaMon, Aug 26, 1:20 PM PDT · 8806 days ago · 6 km deep · 100 km away
15. 1.57km WSW of Wrightwood, CAMon, Aug 26, 11:25 PM PDT · 8805 days ago · 6 km deep · 77 km away
16. 1.87km NNE of Fontana, CATue, Aug 27, 1:07 AM PDT · 8805 days ago · 10 km deep · 99 km away
17. 1.717km NW of Tehachapi, CATue, Aug 27, 1:56 AM PDT · 8805 days ago · 5 km deep · 85 km away
18. 2.628km SE of Trona, CAWed, Aug 28, 8:11 AM PDT · 8804 days ago · 5 km deep · 76 km away
19. 1.624km NNW of Tehachapi, CAFri, Aug 30, 11:02 AM PDT · 8802 days ago · 9 km deep · 88 km away
20. 2.112km SE of Trona, CAThu, Sep 5, 5:34 AM PDT · 8796 days ago · 7 km deep · 82 km away
21. 1.624km NNW of Tehachapi, CAThu, Sep 5, 11:40 AM PDT · 8796 days ago · 8 km deep · 88 km away
22. 2.213km WNW of Mojave, CAThu, Sep 5, 2:08 PM PDT · 8796 days ago · 7 km deep · 58 km away
23. 1.617km N of Ridgecrest, CAFri, Sep 6, 6:48 AM PDT · 8795 days ago · 5 km deep · 83 km away
24. 1.624km WNW of Searles Valley, CAFri, Sep 6, 10:36 PM PDT · 8794 days ago · 9 km deep · 90 km away
25. 2.87km SSW of Devore, CASat, Sep 7, 6:24 AM PDT · 8794 days ago · 5 km deep · 99 km away
26. 1.51km ESE of Wrightwood, CAMon, Sep 9, 4:23 AM PDT · 8792 days ago · 9 km deep · 75 km away
27. 2.410km WNW of Johannesburg, CAMon, Sep 9, 3:55 PM PDT · 8792 days ago · 8 km deep · 40 km away
28. 1.69km W of Johannesburg, CAMon, Sep 9, 5:29 PM PDT · 8792 days ago · 8 km deep · 40 km away
29. 1.618km N of Ridgecrest, CATue, Sep 10, 1:20 AM PDT · 8791 days ago · 8 km deep · 84 km away
30. 2.114km SSW of Tehachapi, CATue, Sep 10, 3:32 PM PDT · 8791 days ago · 8 km deep · 74 km away
31. 1.524km NNW of Tehachapi, CAWed, Sep 11, 4:16 PM PDT · 8790 days ago · 9 km deep · 88 km away
32. 2.618km NNW of Tehachapi, CASat, Sep 14, 12:35 PM PDT · 8787 days ago · 6 km deep · 84 km away
33. 1.718km NNW of Tehachapi, CASat, Sep 14, 12:39 PM PDT · 8787 days ago · 6 km deep · 84 km away
34. 1.921km NNW of Tehachapi, CASat, Sep 14, 2:04 PM PDT · 8787 days ago · 6 km deep · 82 km away
35. 1.55km NNE of Valencia, CaliforniaSun, Sep 15, 11:40 AM PDT · 8786 days ago · 16 km deep · 100 km away
36. 1.625km S of Bodfish, CaliforniaMon, Sep 16, 9:47 AM PDT · 8785 days ago · 4 km deep · 82 km away
37. 1.522km SSW of Little Lake, CATue, Sep 17, 6:42 AM PDT · 8784 days ago · 11 km deep · 87 km away
38. 1.510km NNE of Ridgecrest, CAFri, Sep 20, 10:11 AM PDT · 8781 days ago · 11 km deep · 75 km away
39. 1.519km NNW of Tehachapi, CaliforniaSun, Sep 22, 4:04 AM PDT · 8779 days ago · 6 km deep · 85 km away
40. 1.812km NE of Barstow, CATue, Sep 24, 5:57 PM PDT · 8777 days ago · 4 km deep · 67 km away
41. 1.812km SSW of Searles Valley, CATue, Sep 24, 10:08 PM PDT · 8776 days ago · 4 km deep · 74 km away
42. 2.112km NNE of Barstow, CAWed, Sep 25, 10:31 PM PDT · 8775 days ago · 6 km deep · 66 km away
43. 1.926km SSW of Bodfish, CAThu, Sep 26, 7:09 PM PDT · 8775 days ago · 4 km deep · 88 km away
44. 1.924km NNW of Tehachapi, CASat, Sep 28, 8:23 PM PDT · 8772 days ago · 8 km deep · 88 km away
45. 1.59km SW of Wrightwood, CaliforniaSun, Sep 29, 9:21 AM PDT · 8772 days ago · 4 km deep · 82 km away
46. 2.212km NNE of Barstow, CASun, Sep 29, 12:45 PM PDT · 8772 days ago · 5 km deep · 66 km away
47. 1.519km NE of Arvin, CASun, Sep 29, 3:23 PM PDT · 8772 days ago · 4 km deep · 97 km away
48. 1.613km N of Castaic, CAWed, Oct 2, 11:53 AM PDT · 8769 days ago · 4 km deep · 99 km away
49. 1.516km NNW of California City, CAThu, Oct 3, 11:47 AM PDT · 8768 days ago · 10 km deep · 44 km away
50. 1.716km NNW of California City, CAThu, Oct 3, 12:56 PM PDT · 8768 days ago · 11 km deep · 43 km away
51. 2.29km ENE of Barstow, CASat, Oct 5, 5:45 PM PDT · 8766 days ago · 3 km deep · 69 km away
52. 1.825km NNW of Tehachapi, CASun, Oct 6, 12:26 PM PDT · 8765 days ago · 3 km deep · 89 km away
53. 2.623km N of Ridgecrest, CASun, Oct 6, 7:49 PM PDT · 8765 days ago · 6 km deep · 89 km away
54. 1.624km WNW of Searles Valley, CATue, Oct 8, 5:45 PM PDT · 8763 days ago · 9 km deep · 90 km away

Before

1. 1.56km SSE of Lytle Creek, CASun, Aug 11, 2:51 PM PDT · 8821 days ago · 11 km deep · 93 km away
2. 2.11km WSW of Devore, CASat, Aug 10, 11:01 PM PDT · 8821 days ago · 14 km deep · 94 km away
3. 1.628km SE of Johannesburg, CaliforniaSat, Aug 10, 4:13 AM PDT · 8822 days ago · 7 km deep · 32 km away
4. 2.77km NW of Rancho Cucamonga, CAThu, Aug 8, 3:25 AM PDT · 8824 days ago · 13 km deep · 96 km away
5. 1.87km NNE of Fontana, CAWed, Aug 7, 9:58 PM PDT · 8824 days ago · 9 km deep · 99 km away
6. 1.618km SSW of Bodfish, CAWed, Aug 7, 12:32 PM PDT · 8825 days ago · 4 km deep · 94 km away
7. 1.614km N of Ridgecrest, CaliforniaMon, Aug 5, 3:20 AM PDT · 8827 days ago · 9 km deep · 80 km away
8. 1.518km NE of Barstow, CaliforniaFri, Aug 2, 5:47 AM PDT · 8830 days ago · 7 km deep · 72 km away
9. 2.016km N of Ridgecrest, CAThu, Aug 1, 8:54 AM PDT · 8831 days ago · 9 km deep · 82 km away
10. 2.112km NE of Barstow, CAThu, Aug 1, 3:33 AM PDT · 8831 days ago · 4 km deep · 67 km away
11. 2.723km W of Johannesburg, CAWed, Jul 31, 8:15 AM PDT · 8832 days ago · 4 km deep · 40 km away
12. 1.613km N of Glendora, CATue, Jul 30, 9:16 PM PDT · 8832 days ago · 8 km deep · 89 km away
13. 1.66km NNE of Fontana, CASun, Jul 28, 9:38 PM PDT · 8834 days ago · 9 km deep · 100 km away
14. 2.57km SSW of Devore, CASat, Jul 27, 10:47 PM PDT · 8835 days ago · 7 km deep · 99 km away
15. 1.96km NNE of Fontana, CaliforniaThu, Jul 25, 3:03 PM PDT · 8838 days ago · 9 km deep · 100 km away
16. 1.57km NNE of Fontana, CAThu, Jul 25, 10:54 AM PDT · 8838 days ago · 8 km deep · 99 km away
17. 1.67km N of Fontana, CaliforniaThu, Jul 25, 9:19 AM PDT · 8838 days ago · 8 km deep · 99 km away
18. 1.66km SSW of Devore, CaliforniaThu, Jul 25, 5:52 AM PDT · 8838 days ago · 5 km deep · 99 km away
19. 2.112km NE of Barstow, CAThu, Jul 25, 5:34 AM PDT · 8838 days ago · 8 km deep · 67 km away
20. 1.66km NNE of Fontana, CAWed, Jul 24, 5:45 PM PDT · 8839 days ago · 10 km deep · 100 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9808505. Read Mon, Oct 5, 2026, 2:33 PM UTC.