M1.6 earthquake 21km ESE of Anza, CA

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Oct 2, 2003, 11:51 AM PDT

UTC

2003-10-02 18:51:13 UTC

Depth

13.3 km (8.2 mi), shallow

Epicenter

33.487° N, 116.464° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

43°

Stations used

35

• Anza, CaliforniaPopulation 3,014. Forecast21 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast24 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast63 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast108 kmNE

After

1. 1.69km NNW of Cabazon, CAThu, Oct 2, 1:28 PM PDT · 8404 days ago · 13 km deep · 65 km away
2. 1.64km SE of Loma Linda, CAThu, Oct 2, 3:48 PM PDT · 8404 days ago · 17 km deep · 93 km away
3. 1.618km SW of La Quinta, CAThu, Oct 2, 11:22 PM PDT · 8403 days ago · 12 km deep · 6 km away
4. 1.59km W of Morongo Valley, CAFri, Oct 3, 12:48 AM PDT · 8403 days ago · 12 km deep · 65 km away
5. 2.66km N of Big Bear City, CAFri, Oct 3, 4:29 AM PDT · 8403 days ago · 6 km deep · 98 km away
6. 1.518km N of Yucca Valley, CAFri, Oct 3, 6:10 AM PDT · 8403 days ago · 3 km deep · 88 km away
7. 2.410km S of Idyllwild, CAFri, Oct 3, 3:40 PM PDT · 8403 days ago · 13 km deep · 31 km away
8. 1.915km S of Joshua Tree, CAFri, Oct 3, 4:16 PM PDT · 8403 days ago · 9 km deep · 59 km away
9. 1.520km ESE of Anza, CAFri, Oct 3, 7:49 PM PDT · 8402 days ago · 6 km deep · 3 km away
10. 2.111km NNE of Ocotillo, CAFri, Oct 3, 8:55 PM PDT · 8402 days ago · 2 km deep · 87 km away
11. 1.610km E of Yucaipa, CASat, Oct 4, 7:04 AM PDT · 8402 days ago · 17 km deep · 76 km away
12. 3.08km NNW of Ocotillo Wells, CASat, Oct 4, 12:26 PM PDT · 8402 days ago · 12 km deep · 42 km away
13. 1.65km NNE of Big Bear City, CASat, Oct 4, 6:58 PM PDT · 8402 days ago · 6 km deep · 97 km away
14. 1.526km NE of Pine Valley, CASat, Oct 4, 9:18 PM PDT · 8401 days ago · 9 km deep · 61 km away
15. 1.722km ESE of Anza, CASun, Oct 5, 12:40 AM PDT · 8401 days ago · 12 km deep · 1 km away
16. 1.514km NNE of Borrego Springs, CASun, Oct 5, 2:16 AM PDT · 8401 days ago · 9 km deep · 19 km away
17. 1.63km NW of Calimesa, CASun, Oct 5, 3:04 AM PDT · 8401 days ago · 16 km deep · 81 km away
18. 1.510km E of Big Bear City, CASun, Oct 5, 6:07 AM PDT · 8401 days ago · 10 km deep · 88 km away
19. 1.63km ENE of Calimesa, CAMon, Oct 6, 2:46 AM PDT · 8400 days ago · 16 km deep · 77 km away
20. 1.99km WNW of Garnet, CAMon, Oct 6, 8:15 AM PDT · 8400 days ago · 14 km deep · 52 km away
21. 1.96km SE of Valle Vista, CAMon, Oct 6, 1:41 PM PDT · 8400 days ago · 14 km deep · 43 km away
22. 1.57km SE of Loma Linda, CATue, Oct 7, 12:51 AM PDT · 8399 days ago · 11 km deep · 90 km away
23. 1.86km SSW of Redlands, CATue, Oct 7, 12:53 AM PDT · 8399 days ago · 11 km deep · 90 km away
24. 2.07km SE of Loma Linda, CATue, Oct 7, 1:59 AM PDT · 8399 days ago · 12 km deep · 90 km away
25. 1.67km N of Moreno Valley, CaliforniaTue, Oct 7, 3:15 AM PDT · 8399 days ago · 10 km deep · 89 km away
26. 1.67km SE of Loma Linda, CATue, Oct 7, 4:54 AM PDT · 8399 days ago · 12 km deep · 90 km away
27. 2.29km NNE of Ocotillo Wells, CATue, Oct 7, 10:21 AM PDT · 8399 days ago · 8 km deep · 46 km away
28. 1.63km ENE of Calimesa, CAWed, Oct 8, 6:17 AM PDT · 8398 days ago · 16 km deep · 77 km away
29. 1.815km S of Joshua Tree, CAThu, Oct 9, 12:00 AM PDT · 8397 days ago · 10 km deep · 59 km away
30. 3.117km N of Borrego Springs, CAThu, Oct 9, 12:33 AM PDT · 8397 days ago · 11 km deep · 10 km away
31. 1.61km NE of Loma Linda, CAThu, Oct 9, 1:38 AM PDT · 8397 days ago · 15 km deep · 97 km away
32. 1.66km S of Redlands, CAThu, Oct 9, 11:49 AM PDT · 8397 days ago · 14 km deep · 88 km away
33. 3.513km N of Yucca Valley, CAThu, Oct 9, 7:27 PM PDT · 8396 days ago · 1 km deep · 82 km away · felt by 47
34. 1.812km N of Yucca Valley, CAThu, Oct 9, 8:11 PM PDT · 8396 days ago · 2 km deep · 82 km away
35. 1.76km N of Big Bear City, CAThu, Oct 9, 8:44 PM PDT · 8396 days ago · 2 km deep · 99 km away
36. 1.75km NNE of Big Bear City, CAFri, Oct 10, 1:57 AM PDT · 8396 days ago · 5 km deep · 97 km away
37. 1.75km SSE of Loma Linda, CAFri, Oct 10, 4:19 AM PDT · 8396 days ago · 17 km deep · 92 km away
38. 1.711km SE of Anza, CAFri, Oct 10, 5:31 AM PDT · 8396 days ago · 11 km deep · 12 km away
39. 1.97km SSE of Loma Linda, CAFri, Oct 10, 7:40 PM PDT · 8395 days ago · 4 km deep · 90 km away
40. 1.713km N of Yucca Valley, CaliforniaFri, Oct 10, 8:52 PM PDT · 8395 days ago · 1 km deep · 82 km away
41. 1.710km ENE of Pala, CASat, Oct 11, 2:28 AM PDT · 8395 days ago · 4 km deep · 48 km away
42. 1.920km ESE of Anza, CASat, Oct 11, 8:57 AM PDT · 8395 days ago · 6 km deep · 2 km away
43. 1.65km SSW of Banning, CASun, Oct 12, 10:45 AM PDT · 8394 days ago · 12 km deep · 60 km away
44. 1.76km NNE of Moreno Valley, CASun, Oct 12, 12:46 PM PDT · 8394 days ago · 13 km deep · 87 km away
45. 1.84km SSW of Yucca Valley, CAMon, Oct 13, 3:05 PM PDT · 8393 days ago · 7 km deep · 66 km away
46. 1.912km NNW of Borrego Springs, CATue, Oct 14, 6:24 AM PDT · 8392 days ago · 7 km deep · 15 km away
47. 3.49km SSE of Yucca Valley, CATue, Oct 14, 9:18 PM PDT · 8391 days ago · 11 km deep · 61 km away · felt by 196
48. 1.613km NNE of Cabazon, CAWed, Oct 15, 4:04 AM PDT · 8391 days ago · 13 km deep · 64 km away
49. 1.66km S of Mentone, CaliforniaWed, Oct 15, 8:49 AM PDT · 8391 days ago · 14 km deep · 85 km away
50. 1.73km ESE of Yucca Valley, CAWed, Oct 15, 3:55 PM PDT · 8391 days ago · 9 km deep · 69 km away
51. 1.611km NNE of Julian, CAThu, Oct 16, 1:00 AM PDT · 8390 days ago · 15 km deep · 37 km away
52. 1.613km S of Joshua Tree, CAThu, Oct 16, 2:29 AM PDT · 8390 days ago · 10 km deep · 60 km away
53. 1.723km N of Yucca Valley, CaliforniaThu, Oct 16, 2:44 AM PDT · 8390 days ago · 10 km deep · 93 km away
54. 1.715km WSW of Westmorland, CAThu, Oct 16, 6:00 PM PDT · 8390 days ago · 5 km deep · 85 km away
55. 1.66km SE of Loma Linda, CAFri, Oct 17, 12:19 AM PDT · 8389 days ago · 11 km deep · 90 km away
56. 2.012km N of Yucca Valley, CAFri, Oct 17, 7:27 AM PDT · 8389 days ago · 1 km deep · 82 km away
57. 1.826km N of Yucca Valley, CAFri, Oct 17, 10:46 AM PDT · 8389 days ago · 8 km deep · 96 km away
58. 1.614km WNW of Calipatria, CAFri, Oct 17, 4:55 PM PDT · 8389 days ago · 4 km deep · 83 km away
59. 1.614km WNW of Calipatria, CAFri, Oct 17, 4:55 PM PDT · 8389 days ago · 3 km deep · 83 km away
60. 1.711km ESE of Julian, CAFri, Oct 17, 7:24 PM PDT · 8388 days ago · 11 km deep · 48 km away

The first 60 of 199.

Before

1. 2.124km W of Westmorland, CAWed, Oct 1, 11:00 AM PDT · 8405 days ago · 13 km deep · 77 km away
2. 1.719km ESE of Anza, CATue, Sep 30, 9:07 AM PDT · 8406 days ago · 13 km deep · 2 km away
3. 1.52km NNW of Cabazon, CATue, Sep 30, 6:29 AM PDT · 8406 days ago · 10 km deep · 58 km away
4. 1.526km ENE of Pine Valley, CAMon, Sep 29, 11:40 PM PDT · 8406 days ago · 5 km deep · 62 km away
5. 2.014km N of Pine Valley, CASun, Sep 28, 7:46 PM PDT · 8407 days ago · 8 km deep · 60 km away
6. 1.62km SSW of Anza, CASun, Sep 28, 3:39 AM PDT · 8408 days ago · 12 km deep · 21 km away
7. 1.59km NNE of Indio, CASat, Sep 27, 10:24 PM PDT · 8408 days ago · 5 km deep · 43 km away
8. 1.514km WNW of Calipatria, CaliforniaSat, Sep 27, 5:51 PM PDT · 8409 days ago · 2 km deep · 83 km away
9. 1.78km NNE of Beaumont, CASat, Sep 27, 5:38 PM PDT · 8409 days ago · 14 km deep · 73 km away
10. 1.75km SSE of Loma Linda, CASat, Sep 27, 2:44 PM PDT · 8409 days ago · 18 km deep · 92 km away
11. 1.76km N of Beaumont, CASat, Sep 27, 1:46 PM PDT · 8409 days ago · 11 km deep · 72 km away
12. 1.93km ESE of Yucca Valley, CAFri, Sep 26, 7:55 PM PDT · 8409 days ago · 11 km deep · 69 km away
13. 1.716km E of Borrego Springs, CAFri, Sep 26, 5:10 PM PDT · 8410 days ago · 8 km deep · 34 km away
14. 1.610km ESE of Desert Hot Springs, CAFri, Sep 26, 5:04 PM PDT · 8410 days ago · 6 km deep · 51 km away
15. 1.68km E of Yucaipa, CAFri, Sep 26, 1:05 PM PDT · 8410 days ago · 13 km deep · 75 km away
16. 1.55km NNE of Big Bear City, CAFri, Sep 26, 8:58 AM PDT · 8410 days ago · 5 km deep · 97 km away
17. 1.810km NNE of Ocotillo Wells, CAFri, Sep 26, 5:23 AM PDT · 8410 days ago · 11 km deep · 44 km away
18. 1.610km NNE of Indio, CAFri, Sep 26, 5:10 AM PDT · 8410 days ago · 5 km deep · 44 km away
19. 1.59km N of Cabazon, CAThu, Sep 25, 11:01 PM PDT · 8410 days ago · 14 km deep · 64 km away
20. 1.612km NNW of Borrego Springs, CAThu, Sep 25, 10:29 PM PDT · 8410 days ago · 6 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9948625. Read Mon, Oct 5, 2026, 1:41 PM UTC.