M1.6 earthquake 17km ESE of Anza, CA

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Dec 31, 2002, 7:23 AM PST

UTC

2002-12-31 15:23:55 UTC

Depth

12.4 km (7.7 mi), shallow

Epicenter

33.489° N, 116.504° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

82°

Stations used

23

• Anza, CaliforniaPopulation 3,014. Forecast17 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast26 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast60 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast106 kmNE

After

1. 2.210km SW of Niland, CATue, Dec 31, 1:59 PM PST · 8678 days ago · 2 km deep · 89 km away
2. 1.514km ENE of Thousand Palms, CATue, Dec 31, 4:41 PM PST · 8678 days ago · 5 km deep · 50 km away
3. 1.718km N of Borrego Springs, CATue, Dec 31, 11:32 PM PST · 8678 days ago · 12 km deep · 13 km away
4. 1.67km E of Big Bear City, CAWed, Jan 1, 3:09 AM PST · 8677 days ago · 2 km deep · 89 km away
5. 1.58km SW of Niland, CaliforniaWed, Jan 1, 10:49 AM PST · 8677 days ago · 5 km deep · 92 km away
6. 1.719km N of Twentynine Palms, CAWed, Jan 1, 11:20 AM PST · 8677 days ago · 2 km deep · 99 km away
7. 1.57km ENE of Moreno Valley, CaliforniaWed, Jan 1, 7:35 PM PST · 8677 days ago · 16 km deep · 79 km away
8. 2.69km NE of Desert Hot Springs, CAWed, Jan 1, 7:45 PM PST · 8677 days ago · 7 km deep · 59 km away
9. 1.86km WNW of Calimesa, CAWed, Jan 1, 11:46 PM PST · 8677 days ago · 18 km deep · 81 km away
10. 1.626km N of Yucca Valley, CAThu, Jan 2, 12:42 AM PST · 8677 days ago · 4 km deep · 96 km away
11. 1.723km SE of Ocotillo Wells, CAThu, Jan 2, 1:22 AM PST · 8676 days ago · 14 km deep · 75 km away
12. 1.520km ESE of Anza, CAThu, Jan 2, 3:04 AM PST · 8676 days ago · 17 km deep · 3 km away
13. 2.130km N of Yucca Valley, CAThu, Jan 2, 5:32 AM PST · 8676 days ago · 4 km deep · 100 km away
14. 2.026km N of Yucca Valley, CAThu, Jan 2, 7:33 AM PST · 8676 days ago · 4 km deep · 96 km away
15. 1.63km ESE of Yucca Valley, CAThu, Jan 2, 9:57 AM PST · 8676 days ago · 9 km deep · 70 km away
16. 1.96km NNW of Garnet, CAThu, Jan 2, 5:43 PM PST · 8676 days ago · 11 km deep · 52 km away
17. 1.613km NE of Julian, CAFri, Jan 3, 7:11 PM PST · 8675 days ago · 14 km deep · 35 km away
18. 1.913km NE of Indio, CAFri, Jan 3, 8:25 PM PST · 8675 days ago · 5 km deep · 50 km away
19. 2.28km SW of Idyllwild, CASat, Jan 4, 4:05 PM PST · 8674 days ago · 14 km deep · 35 km away
20. 1.53km S of Loma Linda, CaliforniaSat, Jan 4, 4:51 PM PST · 8674 days ago · 18 km deep · 92 km away
21. 2.06km SW of Idyllwild, CASat, Jan 4, 5:28 PM PST · 8674 days ago · 16 km deep · 33 km away
22. 1.66km SSE of Banning, CASun, Jan 5, 10:30 AM PST · 8673 days ago · 16 km deep · 54 km away
23. 1.921km NE of Pine Valley, CAMon, Jan 6, 3:11 AM PST · 8672 days ago · 11 km deep · 64 km away
24. 1.78km SW of San Marcos, CaliforniaMon, Jan 6, 8:32 AM PST · 8672 days ago · 11 km deep · 80 km away
25. 1.84km N of Yucca Valley, CAMon, Jan 6, 3:36 PM PST · 8672 days ago · 8 km deep · 74 km away
26. 1.914km S of Big Bear Lake, CaliforniaMon, Jan 6, 3:51 PM PST · 8672 days ago · 4 km deep · 80 km away
27. 1.75km S of Morongo Valley, CAMon, Jan 6, 6:38 PM PST · 8672 days ago · 10 km deep · 58 km away
28. 1.68km SSW of Idyllwild, CAMon, Jan 6, 7:30 PM PST · 8672 days ago · 15 km deep · 30 km away
29. 1.712km WNW of Calipatria, CaliforniaTue, Jan 7, 1:06 AM PST · 8671 days ago · 5 km deep · 88 km away
30. 2.813km S of Big Bear Lake, CATue, Jan 7, 10:25 AM PST · 8671 days ago · 3 km deep · 80 km away
31. 1.514km ENE of Thousand Palms, CAWed, Jan 8, 1:07 AM PST · 8670 days ago · 7 km deep · 50 km away
32. 1.67km SSE of Redlands, CAWed, Jan 8, 4:44 AM PST · 8670 days ago · 10 km deep · 83 km away
33. 1.96km NNW of Big Bear Lake, CAWed, Jan 8, 5:06 AM PST · 8670 days ago · 8 km deep · 98 km away
34. 1.811km NNE of Borrego Springs, CAWed, Jan 8, 9:33 AM PST · 8670 days ago · 12 km deep · 23 km away
35. 2.914km WNW of Calipatria, CAWed, Jan 8, 4:34 PM PST · 8670 days ago · 3 km deep · 87 km away
36. 1.712km NNE of Ocotillo Wells, CAThu, Jan 9, 9:27 PM PST · 8669 days ago · 5 km deep · 49 km away
37. 1.613km N of Cabazon, CAThu, Jan 9, 9:31 PM PST · 8669 days ago · 17 km deep · 67 km away
38. 1.522km SSW of La Quinta, CAFri, Jan 10, 5:07 PM PST · 8668 days ago · 14 km deep · 8 km away
39. 1.613km SE of Anza, CAFri, Jan 10, 7:28 PM PST · 8668 days ago · 13 km deep · 8 km away
40. 1.57km SW of Niland, CASat, Jan 11, 4:38 PM PST · 8667 days ago · 3 km deep · 93 km away
41. 1.84km N of Moreno Valley, CASat, Jan 11, 8:04 PM PST · 8667 days ago · 14 km deep · 85 km away
42. 1.53km NNE of Moreno Valley, CaliforniaSun, Jan 12, 3:51 AM PST · 8666 days ago · 13 km deep · 84 km away
43. 1.63km NNE of Moreno Valley, CaliforniaSun, Jan 12, 9:47 AM PST · 8666 days ago · 13 km deep · 84 km away
44. 2.316km NNE of Ocotillo, CASun, Jan 12, 5:41 PM PST · 8666 days ago · 7 km deep · 85 km away
45. 1.522km SSW of La Quinta, CASun, Jan 12, 6:22 PM PST · 8666 days ago · 13 km deep · 8 km away
46. 1.711km SW of Morongo Valley, CAMon, Jan 13, 5:08 AM PST · 8665 days ago · 17 km deep · 57 km away
47. 1.714km NE of Borrego Springs, CAMon, Jan 13, 2:06 PM PST · 8665 days ago · 6 km deep · 27 km away
48. 1.910km S of Banning, CAMon, Jan 13, 2:35 PM PST · 8665 days ago · 9 km deep · 51 km away
49. 1.68km S of Borrego Springs, CAMon, Jan 13, 5:48 PM PST · 8665 days ago · 10 km deep · 36 km away
50. 1.817km SE of Ocotillo Wells, CAMon, Jan 13, 9:23 PM PST · 8665 days ago · 6 km deep · 69 km away
51. 1.611km NNE of Cabazon, CATue, Jan 14, 4:30 AM PST · 8664 days ago · 17 km deep · 63 km away
52. 1.57km S of Redlands, CATue, Jan 14, 6:21 AM PST · 8664 days ago · 17 km deep · 85 km away
53. 1.615km NE of Borrego Springs, CATue, Jan 14, 9:36 AM PST · 8664 days ago · 5 km deep · 30 km away
54. 1.75km N of Yucca Valley, CATue, Jan 14, 11:24 PM PST · 8664 days ago · 12 km deep · 75 km away
55. 1.69km NE of Cabazon, CAWed, Jan 15, 1:14 AM PST · 8663 days ago · 17 km deep · 58 km away
56. 1.85km SSW of Idyllwild, CAWed, Jan 15, 6:20 AM PST · 8663 days ago · 16 km deep · 32 km away
57. 1.610km S of Yucca Valley, CAWed, Jan 15, 10:03 AM PST · 8663 days ago · 10 km deep · 61 km away
58. 1.913km WNW of Calipatria, CAWed, Jan 15, 4:52 PM PST · 8663 days ago · 7 km deep · 88 km away
59. 1.511km N of Borrego Springs, CAWed, Jan 15, 7:51 PM PST · 8663 days ago · 14 km deep · 20 km away
60. 1.514km NNE of Cabazon, CAWed, Jan 15, 11:01 PM PST · 8663 days ago · 14 km deep · 65 km away

The first 60 of 196.

Before

1. 2.111km ENE of Desert Hot Springs, CAMon, Dec 30, 10:15 PM PST · 8679 days ago · 10 km deep · 58 km away
2. 1.66km E of Ocotillo Wells, CAMon, Dec 30, 3:41 AM PST · 8679 days ago · 7 km deep · 56 km away
3. 1.726km N of Yucca Valley, CASun, Dec 29, 12:11 PM PST · 8680 days ago · 8 km deep · 96 km away
4. 1.65km N of Yucca Valley, CASun, Dec 29, 7:42 AM PST · 8680 days ago · 10 km deep · 74 km away
5. 1.53km SE of Yucaipa, CASun, Dec 29, 12:44 AM PST · 8681 days ago · 18 km deep · 76 km away
6. 1.915km ESE of Julian, CASat, Dec 28, 2:14 PM PST · 8681 days ago · 14 km deep · 50 km away
7. 2.18km SW of Niland, CASat, Dec 28, 2:07 PM PST · 8681 days ago · 3 km deep · 94 km away
8. 1.89km SSE of Big Bear City, CASat, Dec 28, 1:24 PM PST · 8681 days ago · 9 km deep · 83 km away
9. 1.55km N of Yucca Valley, CASat, Dec 28, 11:16 AM PST · 8681 days ago · 11 km deep · 75 km away
10. 1.710km ENE of Ocotillo Wells, CASat, Dec 28, 10:29 AM PST · 8681 days ago · 8 km deep · 56 km away
11. 2.118km ESE of Julian, CAFri, Dec 27, 6:51 PM PST · 8682 days ago · 12 km deep · 50 km away
12. 1.911km NNW of Alpine, CAFri, Dec 27, 10:43 AM PST · 8682 days ago · 14 km deep · 70 km away
13. 1.811km NW of Morongo Valley, CAFri, Dec 27, 10:10 AM PST · 8682 days ago · 10 km deep · 72 km away
14. 2.118km N of Borrego Springs, CAFri, Dec 27, 4:31 AM PST · 8682 days ago · 13 km deep · 14 km away
15. 1.911km SE of Anza, CAFri, Dec 27, 4:28 AM PST · 8682 days ago · 11 km deep · 9 km away
16. 2.716km N of Ocotillo, CAFri, Dec 27, 3:33 AM PST · 8682 days ago · 3 km deep · 85 km away
17. 2.112km WNW of Calipatria, CAFri, Dec 27, 12:36 AM PST · 8683 days ago · 5 km deep · 88 km away
18. 1.83km N of Moreno Valley, CAThu, Dec 26, 4:03 PM PST · 8683 days ago · 11 km deep · 84 km away
19. 1.58km NE of Moreno Valley, CAWed, Dec 25, 2:50 PM PST · 8684 days ago · 15 km deep · 82 km away
20. 1.57km WNW of Borrego Springs, CAWed, Dec 25, 9:10 AM PST · 8684 days ago · 3 km deep · 24 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9875149. Read Sun, Oct 4, 2026, 8:24 PM UTC.