M1.6 earthquake 10km WSW of Anza, CA

Magnitude

1.6 (mc), micro

Local time

Wed, May 15, 1985, 3:20 PM PDT

UTC

1985-05-15 22:20:33 UTC

Depth

3.9 km (2.4 mi), shallow

Epicenter

33.530° N, 116.783° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

87°

Stations used

0

• Anza, CaliforniaPopulation 3,014. Forecast10 kmWSW
• Valle Vista, CaliforniaPopulation 14,578. Forecast26 kmSSE
• Temecula, CaliforniaPopulation 110,003. Forecast34 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast97 kmNNE

After

1. 1.98km E of Valle Vista, CAWed, May 15, 9:21 PM PDT · 15113 days ago · 16 km deep · 24 km away
2. 1.81km SSE of Loma Linda, CAWed, May 15, 10:17 PM PDT · 15112 days ago · 18 km deep · 71 km away
3. 1.810km W of Anza, CAThu, May 16, 1:10 AM PDT · 15112 days ago · 3 km deep · 1 km away
4. 1.720km SE of Ocotillo Wells, CAThu, May 16, 4:57 AM PDT · 15112 days ago · 4 km deep · 94 km away
5. 1.810km S of Idyllwild, CAThu, May 16, 8:48 AM PDT · 15112 days ago · 13 km deep · 15 km away
6. 2.010km S of Idyllwild, CAThu, May 16, 8:49 AM PDT · 15112 days ago · 12 km deep · 14 km away
7. 1.712km E of Desert Hot Springs, CAThu, May 16, 5:16 PM PDT · 15112 days ago · 10 km deep · 61 km away
8. 1.512km E of Borrego Springs, CAThu, May 16, 7:11 PM PDT · 15112 days ago · 7 km deep · 59 km away
9. 1.820km SE of Ocotillo Wells, CAThu, May 16, 9:03 PM PDT · 15112 days ago · 6 km deep · 94 km away
10. 1.810km NE of Cabazon, CAThu, May 16, 10:32 PM PDT · 15111 days ago · 13 km deep · 51 km away
11. 1.812km ESE of Anza, CAThu, May 16, 10:38 PM PDT · 15111 days ago · 11 km deep · 20 km away
12. 2.312km NE of Lake Arrowhead, CAFri, May 17, 3:01 AM PDT · 15111 days ago · 4 km deep · 94 km away
13. 2.04km ESE of Yorba Linda, CAFri, May 17, 5:21 AM PDT · 15111 days ago · 5 km deep · 99 km away
14. 1.920km SE of Ocotillo Wells, CAFri, May 17, 9:20 AM PDT · 15111 days ago · 6 km deep · 95 km away
15. 1.96km ESE of Running Springs, CAFri, May 17, 12:29 PM PDT · 15111 days ago · 8 km deep · 77 km away
16. 1.720km SW of La Quinta, CAFri, May 17, 1:31 PM PDT · 15111 days ago · 6 km deep · 32 km away
17. 1.510km W of Anza, CAFri, May 17, 1:46 PM PDT · 15111 days ago · 3 km deep · 1 km away
18. 1.911km WSW of Anza, CAFri, May 17, 11:10 PM PDT · 15110 days ago · 2 km deep · 1 km away
19. 2.02km SW of Loma Linda, CAFri, May 17, 11:53 PM PDT · 15110 days ago · 9 km deep · 72 km away
20. 1.616km SE of Anza, CASat, May 18, 7:03 AM PDT · 15110 days ago · 10 km deep · 23 km away
21. 1.511km WSW of Anza, CASat, May 18, 9:30 AM PDT · 15110 days ago · 2 km deep · 1 km away
22. 1.912km SE of Hesperia, CASat, May 18, 2:42 PM PDT · 15110 days ago · 10 km deep · 100 km away
23. 1.711km WSW of Anza, CASat, May 18, 3:38 PM PDT · 15110 days ago · 2 km deep · 1 km away
24. 1.720km E of Julian, CASat, May 18, 4:11 PM PDT · 15110 days ago · 7 km deep · 65 km away
25. 1.721km ESE of Julian, CASat, May 18, 7:06 PM PDT · 15110 days ago · 3 km deep · 67 km away
26. 2.08km WSW of Corona, CASat, May 18, 11:45 PM PDT · 15109 days ago · 6 km deep · 87 km away
27. 2.19km NNW of Anza, CASun, May 19, 1:45 AM PDT · 15109 days ago · 15 km deep · 14 km away
28. 1.810km NNW of Anza, CASun, May 19, 1:46 AM PDT · 15109 days ago · 13 km deep · 14 km away
29. 2.214km NNE of Lake Arrowhead, CASun, May 19, 1:59 AM PDT · 15109 days ago · 4 km deep · 97 km away
30. 1.518km ENE of Borrego Springs, CASun, May 19, 5:01 AM PDT · 15109 days ago · 0 km deep · 56 km away
31. 1.614km S of Anza, CASun, May 19, 11:17 AM PDT · 15109 days ago · 13 km deep · 15 km away
32. 2.311km NE of Aguanga, CASun, May 19, 12:20 PM PDT · 15109 days ago · 0 km deep · 2 km away
33. 2.44km E of Calimesa, CASun, May 19, 2:04 PM PDT · 15109 days ago · 14 km deep · 55 km away
34. 1.54km NE of Ocotillo Wells, CASun, May 19, 2:30 PM PDT · 15109 days ago · 9 km deep · 75 km away
35. 1.77km SSE of Idyllwild, CASun, May 19, 9:13 PM PDT · 15109 days ago · 17 km deep · 20 km away
36. 1.914km NE of Lake Arrowhead, CASun, May 19, 11:42 PM PDT · 15108 days ago · 6 km deep · 96 km away
37. 1.86km SSE of Banning, CAMon, May 20, 12:02 AM PDT · 15108 days ago · 15 km deep · 39 km away
38. 1.911km WNW of Lake Elsinore, CAMon, May 20, 12:07 AM PDT · 15108 days ago · 4 km deep · 63 km away
39. 1.69km N of Borrego Springs, CAMon, May 20, 2:37 AM PDT · 15108 days ago · 11 km deep · 44 km away
40. 1.78km S of Yucca Valley, CAMon, May 20, 2:46 AM PDT · 15108 days ago · 8 km deep · 66 km away
41. 2.010km SW of Morongo Valley, CAMon, May 20, 3:52 AM PDT · 15108 days ago · 16 km deep · 52 km away
42. 1.92km NE of San Jacinto, CAMon, May 20, 4:51 AM PDT · 15108 days ago · 13 km deep · 33 km away
43. 2.08km NE of Cabazon, CAMon, May 20, 7:42 AM PDT · 15108 days ago · 11 km deep · 49 km away
44. 1.93km SSE of Redlands, CAMon, May 20, 2:13 PM PDT · 15108 days ago · 15 km deep · 67 km away
45. 1.614km N of Borrego Springs, CAMon, May 20, 4:11 PM PDT · 15108 days ago · 3 km deep · 43 km away
46. 1.66km SE of Yucca Valley, CATue, May 21, 2:44 AM PDT · 15107 days ago · 9 km deep · 70 km away
47. 1.718km NNW of Borrego Springs, CATue, May 21, 7:44 AM PDT · 15107 days ago · 12 km deep · 37 km away
48. 1.810km NNW of Anza, CATue, May 21, 10:13 AM PDT · 15107 days ago · 13 km deep · 15 km away
49. 1.85km N of Banning, CATue, May 21, 2:17 PM PDT · 15107 days ago · 19 km deep · 50 km away
50. 2.37km N of Julian, CATue, May 21, 5:41 PM PDT · 15107 days ago · 9 km deep · 46 km away
51. 1.58km SE of Valle Vista, CATue, May 21, 7:20 PM PDT · 15107 days ago · 15 km deep · 20 km away
52. 1.79km NE of Borrego Springs, CATue, May 21, 8:30 PM PDT · 15107 days ago · 10 km deep · 50 km away
53. 1.65km SE of Yucca Valley, CAWed, May 22, 12:05 AM PDT · 15106 days ago · 5 km deep · 70 km away
54. 1.617km ESE of Julian, CAWed, May 22, 12:35 AM PDT · 15106 days ago · 1 km deep · 64 km away
55. 1.75km WSW of Anza, CAWed, May 22, 10:51 AM PDT · 15106 days ago · 4 km deep · 6 km away
56. 1.94km SSW of Desert Hot Springs, CAWed, May 22, 8:24 PM PDT · 15106 days ago · 8 km deep · 51 km away
57. 1.611km W of Anza, CAThu, May 23, 1:04 AM PDT · 15105 days ago · 2 km deep · 2 km away
58. 1.911km W of Anza, CAThu, May 23, 4:42 AM PDT · 15105 days ago · 3 km deep · 3 km away
59. 2.02km SSW of Redlands, CAThu, May 23, 12:29 PM PDT · 15105 days ago · 5 km deep · 68 km away
60. 1.620km ESE of Anza, CAThu, May 23, 5:54 PM PDT · 15105 days ago · 12 km deep · 29 km away

The first 60 of 178.

Before

1. 1.811km W of Anza, CAWed, May 15, 3:18 PM PDT · 15113 days ago · 2 km deep · 2 km away
2. 2.04km SE of Loma Linda, CAWed, May 15, 3:03 PM PDT · 15113 days ago · 16 km deep · 69 km away
3. 2.220km SE of Ocotillo Wells, CAWed, May 15, 1:02 PM PDT · 15113 days ago · 6 km deep · 94 km away
4. 1.518km NNE of Borrego Springs, CAWed, May 15, 12:48 PM PDT · 15113 days ago · 10 km deep · 50 km away
5. 2.11km WSW of Devore, CAWed, May 15, 11:54 AM PDT · 15113 days ago · 11 km deep · 96 km away
6. 2.04km N of Big Bear City, CAWed, May 15, 6:40 AM PDT · 15113 days ago · 6 km deep · 85 km away
7. 1.612km W of Anza, CAWed, May 15, 5:31 AM PDT · 15113 days ago · 2 km deep · 2 km away
8. 1.512km W of Anza, CAWed, May 15, 2:50 AM PDT · 15113 days ago · 2 km deep · 1 km away
9. 1.712km W of Anza, CAWed, May 15, 2:50 AM PDT · 15113 days ago · 0 km deep · 2 km away
10. 1.66km W of Yucca Valley, CATue, May 14, 8:09 PM PDT · 15114 days ago · 5 km deep · 70 km away
11. 2.210km ENE of Desert Hot Springs, CATue, May 14, 6:21 PM PDT · 15114 days ago · 3 km deep · 63 km away
12. 1.910km NNW of Morongo Valley, CATue, May 14, 5:08 PM PDT · 15114 days ago · 0 km deep · 69 km away
13. 1.811km W of Anza, CATue, May 14, 4:12 PM PDT · 15114 days ago · -1 km deep · 1 km away
14. 1.911km W of Anza, CATue, May 14, 4:10 PM PDT · 15114 days ago · 4 km deep · 1 km away
15. 2.011km WSW of Anza, CATue, May 14, 3:05 PM PDT · 15114 days ago · 2 km deep · 1 km away
16. 2.211km NNE of Aguanga, CATue, May 14, 3:00 PM PDT · 15114 days ago · 0 km deep · 1 km away
17. 1.911km WSW of Anza, CATue, May 14, 2:55 PM PDT · 15114 days ago · 0 km deep · 1 km away
18. 2.012km W of Anza, CATue, May 14, 12:57 PM PDT · 15114 days ago · 0 km deep · 2 km away
19. 1.77km E of Temecula, CATue, May 14, 11:01 AM PDT · 15114 days ago · 5 km deep · 28 km away
20. 1.612km W of Anza, CATue, May 14, 10:49 AM PDT · 15114 days ago · 4 km deep · 2 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci66533. Read Wed, Sep 30, 2026, 4:23 PM UTC.