M1.7 earthquake 14km SW of Ludlow, CA

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Jul 21, 2002, 4:37 PM PDT

UTC

2002-07-21 23:37:12 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

34.647° N, 116.288° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 16.8 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

84°

Stations used

14

• Yermo, CaliforniaPopulation 623. Forecast56 kmESE
• Yucca Valley, CaliforniaPopulation 21,600. Forecast61 kmNNE
• Victorville, CaliforniaPopulation 122,225. Forecast93 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast191 kmENE

After

1. 2.97km N of Big Bear City, CASun, Jul 21, 9:33 PM PDT · 8841 days ago · 3 km deep · 62 km away
2. 1.95km NNE of Banning, CAMon, Jul 22, 1:42 PM PDT · 8840 days ago · 18 km deep · 92 km away
3. 1.62km NE of Yucca Valley, CATue, Jul 23, 4:02 PM PDT · 8839 days ago · 9 km deep · 59 km away
4. 1.88km NE of Lake Arrowhead, CATue, Jul 23, 8:16 PM PDT · 8839 days ago · 7 km deep · 86 km away
5. 1.637km N of Yucca Valley, CAWed, Jul 24, 9:58 AM PDT · 8839 days ago · 8 km deep · 30 km away
6. 2.327km NW of Ludlow, CAWed, Jul 24, 3:46 PM PDT · 8838 days ago · 4 km deep · 26 km away
7. 1.913km WSW of Ludlow, CAThu, Jul 25, 4:21 AM PDT · 8838 days ago · 3 km deep · 5 km away
8. 2.112km NE of Barstow, CAThu, Jul 25, 5:34 AM PDT · 8838 days ago · 8 km deep · 71 km away
9. 1.826km SSW of Ludlow, CaliforniaThu, Jul 25, 11:45 AM PDT · 8838 days ago · 5 km deep · 18 km away
10. 1.711km NW of Big Bear Lake, CAThu, Jul 25, 7:40 PM PDT · 8837 days ago · 4 km deep · 76 km away
11. 2.227km NW of Ludlow, CAFri, Jul 26, 11:22 PM PDT · 8836 days ago · 3 km deep · 26 km away
12. 1.527km NW of Ludlow, CAFri, Jul 26, 11:22 PM PDT · 8836 days ago · -1 km deep · 27 km away
13. 1.627km NW of Ludlow, CaliforniaSat, Jul 27, 12:32 AM PDT · 8836 days ago · 3 km deep · 27 km away
14. 1.518km SSE of Joshua Tree, CASat, Jul 27, 11:42 AM PDT · 8836 days ago · 6 km deep · 75 km away
15. 1.920km NW of Ludlow, CAMon, Jul 29, 12:42 AM PDT · 8834 days ago · 7 km deep · 20 km away
16. 1.827km NW of Ludlow, CaliforniaMon, Jul 29, 4:55 AM PDT · 8834 days ago · 3 km deep · 27 km away
17. 1.89km NNW of Big Bear City, CAMon, Jul 29, 8:28 AM PDT · 8834 days ago · -1 km deep · 64 km away
18. 1.625km NW of Ludlow, CaliforniaMon, Jul 29, 2:31 PM PDT · 8833 days ago · 2 km deep · 27 km away
19. 1.633km N of Joshua Tree, CaliforniaTue, Jul 30, 9:07 AM PDT · 8833 days ago · 4 km deep · 24 km away
20. 2.424km NW of Ludlow, CATue, Jul 30, 8:28 PM PDT · 8832 days ago · 2 km deep · 26 km away
21. 3.731km WSW of Ludlow, CAWed, Jul 31, 1:31 AM PDT · 8832 days ago · 2 km deep · 16 km away
22. 2.112km NE of Barstow, CAThu, Aug 1, 3:33 AM PDT · 8831 days ago · 4 km deep · 71 km away
23. 1.68km E of Big Bear City, CAThu, Aug 1, 11:51 PM PDT · 8830 days ago · 2 km deep · 61 km away
24. 1.68km E of Big Bear City, CAThu, Aug 1, 11:54 PM PDT · 8830 days ago · 2 km deep · 61 km away
25. 1.518km NE of Barstow, CaliforniaFri, Aug 2, 5:47 AM PDT · 8830 days ago · 7 km deep · 69 km away
26. 2.114km NW of Ludlow, CAFri, Aug 2, 9:12 AM PDT · 8830 days ago · 6 km deep · 18 km away
27. 1.913km NW of Ludlow, CAFri, Aug 2, 9:10 PM PDT · 8829 days ago · 3 km deep · 17 km away
28. 2.130km SSW of Ludlow, CASat, Aug 3, 3:07 AM PDT · 8829 days ago · 3 km deep · 18 km away
29. 1.514km NW of Ludlow, CaliforniaSun, Aug 4, 4:25 AM PDT · 8828 days ago · 5 km deep · 18 km away
30. 1.713km NW of Ludlow, CASun, Aug 4, 8:51 AM PDT · 8828 days ago · 5 km deep · 17 km away
31. 1.517km SW of Ludlow, CaliforniaSun, Aug 4, 10:05 AM PDT · 8828 days ago · 5 km deep · 4 km away
32. 2.64km NW of Big Bear City, CASun, Aug 4, 11:26 AM PDT · 8828 days ago · 6 km deep · 67 km away
33. 2.54km NW of Big Bear City, CASun, Aug 4, 11:27 AM PDT · 8828 days ago · 6 km deep · 67 km away
34. 1.74km NW of Big Bear City, CASun, Aug 4, 3:14 PM PDT · 8827 days ago · 6 km deep · 67 km away
35. 2.217km WSW of Ludlow, CASun, Aug 4, 9:05 PM PDT · 8827 days ago · 7 km deep · 7 km away
36. 1.526km N of Yucca Valley, CaliforniaTue, Aug 6, 12:28 AM PDT · 8826 days ago · 6 km deep · 37 km away
37. 1.733km SSW of Ludlow, CATue, Aug 6, 7:08 PM PDT · 8825 days ago · 5 km deep · 23 km away
38. 1.710km SE of Lucerne Valley, CAThu, Aug 8, 2:40 AM PDT · 8824 days ago · 1 km deep · 64 km away
39. 1.932km NNW of Twentynine Palms, CAThu, Aug 8, 8:53 PM PDT · 8823 days ago · 6 km deep · 28 km away
40. 1.513km W of Ludlow, CASat, Aug 10, 3:17 AM PDT · 8822 days ago · 5 km deep · 9 km away
41. 1.627km N of Yucca Valley, CASat, Aug 10, 10:31 PM PDT · 8821 days ago · 8 km deep · 37 km away
42. 1.712km ENE of Big Bear City, CASat, Aug 10, 11:59 PM PDT · 8821 days ago · 11 km deep · 56 km away
43. 1.728km N of Yucca Valley, CAMon, Aug 12, 4:31 AM PDT · 8820 days ago · 7 km deep · 35 km away
44. 1.618km SSW of Ludlow, CaliforniaWed, Aug 14, 2:48 AM PDT · 8818 days ago · 3 km deep · 8 km away
45. 1.520km SSW of Ludlow, CaliforniaWed, Aug 14, 8:51 AM PDT · 8818 days ago · 5 km deep · 10 km away
46. 1.713km NW of Ludlow, CAWed, Aug 14, 9:11 AM PDT · 8818 days ago · 5 km deep · 18 km away
47. 1.64km ENE of Beaumont, CAWed, Aug 14, 2:43 PM PDT · 8817 days ago · 17 km deep · 98 km away
48. 1.819km W of Ludlow, CaliforniaThu, Aug 15, 4:03 AM PDT · 8817 days ago · 7 km deep · 10 km away
49. 1.935km NE of Lucerne Valley, CAThu, Aug 15, 5:25 AM PDT · 8817 days ago · 4 km deep · 35 km away
50. 1.55km SSE of Banning, CAFri, Aug 16, 12:06 AM PDT · 8816 days ago · 13 km deep · 100 km away
51. 1.624km SSW of Ludlow, CAFri, Aug 16, 9:13 AM PDT · 8816 days ago · 8 km deep · 13 km away
52. 1.723km N of Yucca Valley, CAMon, Aug 19, 3:10 AM PDT · 8813 days ago · 7 km deep · 40 km away
53. 2.029km SSW of Ludlow, CAMon, Aug 19, 10:20 PM PDT · 8812 days ago · 8 km deep · 21 km away
54. 1.614km NNW of Joshua Tree, CATue, Aug 20, 4:07 AM PDT · 8812 days ago · 3 km deep · 46 km away
55. 2.222km N of Yucca Valley, CATue, Aug 20, 4:10 PM PDT · 8811 days ago · 1 km deep · 40 km away
56. 2.013km W of Ludlow, CATue, Aug 20, 6:53 PM PDT · 8811 days ago · 9 km deep · 7 km away
57. 1.726km SSW of Ludlow, CAWed, Aug 21, 10:33 AM PDT · 8811 days ago · 9 km deep · 17 km away
58. 1.514km WSW of Ludlow, CaliforniaWed, Aug 21, 12:56 PM PDT · 8810 days ago · 7 km deep · 2 km away
59. 1.830km S of Ludlow, CAThu, Aug 22, 1:22 PM PDT · 8809 days ago · 7 km deep · 23 km away
60. 2.026km SE of Barstow, CaliforniaThu, Aug 22, 2:51 PM PDT · 8809 days ago · 7 km deep · 48 km away

The first 60 of 129.

Before

1. 1.621km N of Yucca Valley, CASun, Jul 21, 2:48 AM PDT · 8842 days ago · 5 km deep · 41 km away
2. 1.621km N of Yucca Valley, CASat, Jul 20, 10:01 PM PDT · 8842 days ago · 7 km deep · 41 km away
3. 1.620km N of Yucca Valley, CAFri, Jul 19, 1:01 PM PDT · 8843 days ago · 5 km deep · 43 km away
4. 1.513km E of Desert Hot Springs, CAFri, Jul 19, 3:35 AM PDT · 8844 days ago · 4 km deep · 77 km away
5. 1.531km N of Yucca Valley, CAThu, Jul 18, 7:05 PM PDT · 8844 days ago · 7 km deep · 32 km away
6. 2.013km W of Ludlow, CAThu, Jul 18, 3:14 AM PDT · 8845 days ago · 1 km deep · 7 km away
7. 1.727km SSW of Ludlow, CaliforniaThu, Jul 18, 2:49 AM PDT · 8845 days ago · 8 km deep · 18 km away
8. 1.712km NE of Cabazon, CAWed, Jul 17, 11:15 AM PDT · 8846 days ago · 13 km deep · 81 km away
9. 1.713km NNE of Cabazon, CAWed, Jul 17, 8:55 AM PDT · 8846 days ago · 13 km deep · 80 km away
10. 2.27km N of Big Bear City, CAWed, Jul 17, 6:16 AM PDT · 8846 days ago · 3 km deep · 62 km away
11. 1.830km N of Yucca Valley, CATue, Jul 16, 7:39 PM PDT · 8846 days ago · 3 km deep · 34 km away
12. 1.914km WSW of Ludlow, CATue, Jul 16, 4:18 AM PDT · 8847 days ago · 2 km deep · 5 km away
13. 1.63km E of Banning, CATue, Jul 16, 3:25 AM PDT · 8847 days ago · 4 km deep · 95 km away
14. 1.940km WSW of Ludlow, CAMon, Jul 15, 9:32 AM PDT · 8848 days ago · 4 km deep · 26 km away
15. 1.626km NNW of Twentynine Palms, CASat, Jul 13, 4:47 PM PDT · 8849 days ago · 4 km deep · 33 km away
16. 1.79km N of Banning, CASat, Jul 13, 4:17 AM PDT · 8850 days ago · 10 km deep · 89 km away
17. 2.57km N of Big Bear City, CAFri, Jul 12, 3:00 PM PDT · 8850 days ago · 2 km deep · 62 km away
18. 2.47km N of Big Bear City, CAFri, Jul 12, 2:34 PM PDT · 8850 days ago · 3 km deep · 62 km away
19. 1.98km N of Yucca Valley, CAFri, Jul 12, 3:45 AM PDT · 8851 days ago · 7 km deep · 54 km away
20. 2.226km WNW of Ludlow, CAThu, Jul 11, 11:31 PM PDT · 8851 days ago · 2 km deep · 25 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9802869. Read Mon, Oct 5, 2026, 7:10 AM UTC.