M1.8 earthquake 10km WSW of Anza, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Sep 17, 2002, 12:45 PM PDT

UTC

2002-09-17 19:45:29 UTC

Depth

17.0 km (10.6 mi), shallow

Epicenter

33.520° N, 116.770° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.39

Depth from

From location

Station coverage gap

87°

Stations used

21

• Anza, CaliforniaPopulation 3,014. Forecast10 kmWSW
• Valle Vista, CaliforniaPopulation 14,578. Forecast28 kmSSE
• Temecula, CaliforniaPopulation 110,003. Forecast35 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast97 kmNNE

After

1. 1.78km WNW of Palomar Observatory, CATue, Sep 17, 4:05 PM PDT · 8783 days ago · 13 km deep · 24 km away
2. 2.211km NE of Ocotillo Wells, CATue, Sep 17, 10:23 PM PDT · 8783 days ago · 16 km deep · 77 km away
3. 1.76km SSW of Big Bear City, CAWed, Sep 18, 8:34 AM PDT · 8782 days ago · 2 km deep · 76 km away
4. 1.68km S of Yucca Valley, CAWed, Sep 18, 8:58 AM PDT · 8782 days ago · 9 km deep · 65 km away
5. 1.54km SSE of Banning, CaliforniaThu, Sep 19, 9:18 PM PDT · 8781 days ago · 17 km deep · 43 km away
6. 1.811km NNE of Ocotillo Wells, CaliforniaThu, Sep 19, 11:26 PM PDT · 8780 days ago · 2 km deep · 73 km away
7. 1.613km SE of Anza, CAFri, Sep 20, 2:33 AM PDT · 8780 days ago · 5 km deep · 20 km away
8. 2.221km ENE of Big Bear City, CAFri, Sep 20, 8:12 AM PDT · 8780 days ago · -1 km deep · 91 km away
9. 2.121km ENE of Big Bear City, CAFri, Sep 20, 12:09 PM PDT · 8780 days ago · 1 km deep · 91 km away
10. 1.519km ESE of Anza, CASat, Sep 21, 7:51 AM PDT · 8779 days ago · 13 km deep · 26 km away
11. 1.73km ENE of Julian, CASat, Sep 21, 12:47 PM PDT · 8779 days ago · 10 km deep · 51 km away
12. 4.39km N of Ocotillo Wells, CASat, Sep 21, 2:26 PM PDT · 8779 days ago · 14 km deep · 69 km away · felt by 256
13. 1.610km NNE of Ocotillo Wells, CASat, Sep 21, 2:31 PM PDT · 8779 days ago · 10 km deep · 69 km away
14. 2.111km N of Ocotillo Wells, CASat, Sep 21, 3:01 PM PDT · 8779 days ago · 13 km deep · 69 km away
15. 1.918km WNW of Ocotillo, CASat, Sep 21, 5:24 PM PDT · 8779 days ago · 5 km deep · 97 km away
16. 2.511km N of Ocotillo Wells, CASat, Sep 21, 5:58 PM PDT · 8779 days ago · 13 km deep · 69 km away
17. 1.66km NNE of Moreno Valley, CaliforniaSat, Sep 21, 10:32 PM PDT · 8779 days ago · 17 km deep · 65 km away
18. 1.511km N of Ocotillo Wells, CASun, Sep 22, 12:57 AM PDT · 8778 days ago · 8 km deep · 68 km away
19. 1.65km E of Calimesa, CASun, Sep 22, 1:25 AM PDT · 8778 days ago · 16 km deep · 56 km away
20. 1.69km NNW of Idyllwild, CASun, Sep 22, 3:14 AM PDT · 8778 days ago · 16 km deep · 32 km away
21. 1.712km NNW of Cabazon, CASun, Sep 22, 3:46 AM PDT · 8778 days ago · 21 km deep · 57 km away
22. 1.617km SSW of Oasis, CASun, Sep 22, 7:55 AM PDT · 8778 days ago · 6 km deep · 60 km away
23. 1.510km N of Ocotillo Wells, CASun, Sep 22, 4:37 PM PDT · 8778 days ago · 10 km deep · 69 km away
24. 2.210km N of Cabazon, CAMon, Sep 23, 12:27 AM PDT · 8777 days ago · 21 km deep · 54 km away
25. 1.69km SSW of Idyllwild, CAMon, Sep 23, 6:45 AM PDT · 8777 days ago · 18 km deep · 16 km away
26. 2.512km N of Ocotillo Wells, CAMon, Sep 23, 4:33 PM PDT · 8777 days ago · 8 km deep · 66 km away
27. 2.111km N of Borrego Springs, CATue, Sep 24, 9:32 AM PDT · 8776 days ago · 14 km deep · 42 km away
28. 1.66km SE of Cabazon, CATue, Sep 24, 5:31 PM PDT · 8776 days ago · 15 km deep · 40 km away
29. 2.516km ENE of Coachella, CATue, Sep 24, 5:41 PM PDT · 8776 days ago · 9 km deep · 73 km away
30. 1.616km S of Joshua Tree, CAWed, Sep 25, 12:03 PM PDT · 8775 days ago · 8 km deep · 67 km away
31. 1.522km N of Yucca Valley, CAWed, Sep 25, 6:58 PM PDT · 8775 days ago · 2 km deep · 93 km away
32. 1.64km ESE of Loma Linda, CaliforniaThu, Sep 26, 3:56 AM PDT · 8774 days ago · 16 km deep · 71 km away
33. 1.912km WSW of Morongo Valley, CAThu, Sep 26, 7:01 AM PDT · 8774 days ago · 14 km deep · 55 km away
34. 2.26km NNE of Moreno Valley, CAThu, Sep 26, 7:49 AM PDT · 8774 days ago · 16 km deep · 65 km away
35. 1.99km WSW of Corona, CAThu, Sep 26, 10:14 AM PDT · 8774 days ago · 8 km deep · 88 km away
36. 1.514km ENE of Borrego Springs, CAThu, Sep 26, 11:10 PM PDT · 8773 days ago · 8 km deep · 56 km away
37. 1.61km E of Cabazon, CAFri, Sep 27, 2:14 AM PDT · 8773 days ago · 13 km deep · 44 km away
38. 1.621km N of Yucca Valley, CAFri, Sep 27, 4:16 AM PDT · 8773 days ago · 9 km deep · 93 km away
39. 1.91km WSW of Cabazon, CAFri, Sep 27, 9:35 PM PDT · 8773 days ago · 16 km deep · 44 km away
40. 1.712km S of Salton City, CASat, Sep 28, 1:03 AM PDT · 8772 days ago · 8 km deep · 85 km away
41. 1.816km ESE of Anza, CASat, Sep 28, 2:17 AM PDT · 8772 days ago · 14 km deep · 24 km away
42. 1.63km E of Valle Vista, CaliforniaSat, Sep 28, 7:17 AM PDT · 8772 days ago · 16 km deep · 26 km away
43. 2.28km WNW of Aguanga, CASat, Sep 28, 4:14 PM PDT · 8772 days ago · 14 km deep · 17 km away
44. 2.66km SE of Big Bear Lake, CASat, Sep 28, 7:39 PM PDT · 8772 days ago · 4 km deep · 77 km away
45. 1.516km ENE of Coachella, CASun, Sep 29, 12:59 AM PDT · 8771 days ago · 10 km deep · 74 km away
46. 1.611km NE of Cabazon, CAMon, Sep 30, 1:29 AM PDT · 8770 days ago · 13 km deep · 51 km away
47. 1.97km S of Banning, CAMon, Sep 30, 2:11 PM PDT · 8770 days ago · 17 km deep · 39 km away
48. 1.612km SSW of Borrego Springs, CATue, Oct 1, 3:20 AM PDT · 8769 days ago · 14 km deep · 50 km away
49. 1.817km ESE of Julian, CATue, Oct 1, 4:49 AM PDT · 8769 days ago · 11 km deep · 64 km away
50. 1.65km N of Fontana, CATue, Oct 1, 6:30 AM PDT · 8769 days ago · 7 km deep · 94 km away
51. 1.63km E of Rialto, CATue, Oct 1, 7:17 AM PDT · 8769 days ago · 18 km deep · 83 km away
52. 2.413km E of Desert Hot Springs, CATue, Oct 1, 8:36 AM PDT · 8769 days ago · 7 km deep · 60 km away
53. 1.78km ENE of Cabazon, CATue, Oct 1, 8:42 AM PDT · 8769 days ago · 9 km deep · 47 km away
54. 1.85km SE of Grand Terrace, CATue, Oct 1, 11:54 AM PDT · 8769 days ago · 17 km deep · 71 km away
55. 2.616km ENE of Coachella, CATue, Oct 1, 10:53 PM PDT · 8769 days ago · 8 km deep · 73 km away
56. 1.611km N of Borrego Springs, CAWed, Oct 2, 1:48 AM PDT · 8768 days ago · 13 km deep · 43 km away
57. 1.527km N of Yucca Valley, CAWed, Oct 2, 9:27 AM PDT · 8768 days ago · 7 km deep · 96 km away
58. 1.623km NE of Pine Valley, CAWed, Oct 2, 4:31 PM PDT · 8768 days ago · 9 km deep · 75 km away
59. 1.78km NNE of Borrego Springs, CAWed, Oct 2, 6:27 PM PDT · 8768 days ago · 13 km deep · 45 km away
60. 1.612km NW of Anza, CAThu, Oct 3, 4:33 AM PDT · 8767 days ago · 15 km deep · 13 km away

The first 60 of 181.

Before

1. 2.811km NE of Aguanga, CATue, Sep 17, 10:07 AM PDT · 8783 days ago · 15 km deep · 2 km away
2. 3.710km NE of Aguanga, CATue, Sep 17, 8:00 AM PDT · 8783 days ago · 15 km deep · 2 km away · felt by 216
3. 1.66km SE of Big Bear Lake, CATue, Sep 17, 2:46 AM PDT · 8783 days ago · 4 km deep · 76 km away
4. 2.29km S of Joshua Tree, CAMon, Sep 16, 4:43 AM PDT · 8784 days ago · 10 km deep · 73 km away
5. 3.39km S of Joshua Tree, CASun, Sep 15, 2:15 PM PDT · 8785 days ago · 10 km deep · 72 km away
6. 1.64km SSE of Loma Linda, CASun, Sep 15, 12:02 AM PDT · 8785 days ago · 11 km deep · 70 km away
7. 1.67km SE of Big Bear Lake, CASat, Sep 14, 5:47 PM PDT · 8786 days ago · 2 km deep · 76 km away
8. 1.920km ESE of Anza, CASat, Sep 14, 1:01 PM PDT · 8786 days ago · 7 km deep · 29 km away
9. 1.621km ESE of Anza, CASat, Sep 14, 11:26 AM PDT · 8786 days ago · 14 km deep · 28 km away
10. 1.64km SSE of Loma Linda, CAFri, Sep 13, 12:41 PM PDT · 8787 days ago · 12 km deep · 70 km away
11. 1.58km NE of Rancho Santa Fe, CaliforniaFri, Sep 13, 12:04 PM PDT · 8787 days ago · 4 km deep · 61 km away
12. 1.52km NNW of Colton, CAFri, Sep 13, 1:22 AM PDT · 8787 days ago · 19 km deep · 81 km away
13. 2.110km N of Yucca Valley, CAThu, Sep 12, 1:22 PM PDT · 8788 days ago · 12 km deep · 82 km away
14. 1.68km NNE of Beaumont, CAThu, Sep 12, 11:12 AM PDT · 8788 days ago · 19 km deep · 56 km away
15. 1.68km ENE of Villa Park, CAWed, Sep 11, 10:22 PM PDT · 8789 days ago · 3 km deep · 95 km away
16. 1.99km WSW of Corona, CAWed, Sep 11, 6:35 PM PDT · 8789 days ago · 7 km deep · 89 km away
17. 2.011km SSE of Big Bear City, CAWed, Sep 11, 5:21 PM PDT · 8789 days ago · 3 km deep · 71 km away
18. 1.65km ENE of Rancho Cucamonga, CAWed, Sep 11, 12:29 PM PDT · 8789 days ago · 10 km deep · 98 km away
19. 1.618km N of Yucca Valley, CAWed, Sep 11, 2:39 AM PDT · 8789 days ago · 8 km deep · 89 km away
20. 1.725km SSW of Ocotillo Wells, CAWed, Sep 11, 2:28 AM PDT · 8789 days ago · 5 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci13819440. Read Sun, Oct 4, 2026, 5:25 PM UTC.