M1.5 earthquake 11km WSW of Anza, CA

Magnitude

1.5 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Jan 30, 1983, 5:01 AM PST

UTC

1983-01-30 13:01:14 UTC

Depth

1.5 km (0.9 mi), shallow

Epicenter

33.519° N, 116.785° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.8 km in depth

Depth from

From location

Station coverage gap

62°

Stations used

16

• Anza, CaliforniaPopulation 3,014. Forecast11 kmWSW
• Valle Vista, CaliforniaPopulation 14,578. Forecast27 kmSSE
• Temecula, CaliforniaPopulation 110,003. Forecast34 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast96 kmNNE

After

1. 1.718km ESE of Anza, CASun, Jan 30, 5:04 AM PST · 15953 days ago · 9 km deep · 27 km away
2. 2.311km WSW of Anza, CASun, Jan 30, 5:16 AM PST · 15953 days ago · -1 km deep · 0 km away
3. 2.15km N of Fontana, CASun, Jan 30, 10:55 AM PST · 15953 days ago · 5 km deep · 93 km away
4. 1.523km NE of Indio, CASun, Jan 30, 1:29 PM PST · 15953 days ago · 7 km deep · 78 km away
5. 1.91km WNW of Julian, CAMon, Jan 31, 6:31 AM PST · 15952 days ago · 16 km deep · 51 km away
6. 1.95km SSE of Idyllwild, CAMon, Jan 31, 7:52 AM PST · 15952 days ago · 16 km deep · 21 km away
7. 1.54km SW of Salton City, CAMon, Jan 31, 4:04 PM PST · 15952 days ago · 3 km deep · 78 km away
8. 1.95km SW of Salton City, CAMon, Jan 31, 5:14 PM PST · 15952 days ago · 0 km deep · 79 km away
9. 1.75km W of Anza, CAMon, Jan 31, 8:13 PM PST · 15952 days ago · 4 km deep · 6 km away
10. 2.19km W of Morongo Valley, CAMon, Jan 31, 11:54 PM PST · 15951 days ago · 4 km deep · 61 km away
11. 1.95km SW of Salton City, CATue, Feb 1, 12:48 AM PST · 15951 days ago · 2 km deep · 79 km away
12. 1.63km SE of Beaumont, CATue, Feb 1, 3:51 PM PST · 15951 days ago · 14 km deep · 46 km away
13. 1.716km N of Indio, CATue, Feb 1, 3:51 PM PST · 15951 days ago · 3 km deep · 67 km away
14. 1.617km ESE of Anza, CATue, Feb 1, 7:19 PM PST · 15951 days ago · 9 km deep · 26 km away
15. 1.716km N of Indio, CATue, Feb 1, 7:52 PM PST · 15951 days ago · 4 km deep · 67 km away
16. 1.516km N of Indio, CATue, Feb 1, 8:14 PM PST · 15951 days ago · 4 km deep · 67 km away
17. 1.616km NNE of Indio, CATue, Feb 1, 8:18 PM PST · 15951 days ago · 4 km deep · 68 km away
18. 1.516km N of Indio, CAWed, Feb 2, 4:06 AM PST · 15950 days ago · 4 km deep · 67 km away
19. 1.912km ESE of Alpine, CAThu, Feb 3, 6:30 AM PST · 15949 days ago · 17 km deep · 82 km away
20. 1.58km SW of Salton City, CAThu, Feb 3, 11:01 AM PST · 15949 days ago · 0 km deep · 78 km away
21. 1.52km NNW of Loma Linda, CAThu, Feb 3, 8:21 PM PST · 15949 days ago · 10 km deep · 76 km away
22. 2.04km W of Borrego Springs, CAFri, Feb 4, 12:10 AM PST · 15948 days ago · 4 km deep · 45 km away
23. 3.49km NNE of Pine Valley, CAFri, Feb 4, 8:19 AM PST · 15948 days ago · 14 km deep · 75 km away
24. 2.24km N of Fontana, CAFri, Feb 4, 9:27 AM PST · 15948 days ago · 7 km deep · 92 km away
25. 1.613km NNW of Joshua Tree, CAFri, Feb 4, 9:57 AM PST · 15948 days ago · 8 km deep · 89 km away
26. 1.613km NNW of Joshua Tree, CAFri, Feb 4, 9:59 AM PST · 15948 days ago · 4 km deep · 88 km away
27. 1.613km NNW of Joshua Tree, CAFri, Feb 4, 10:12 AM PST · 15948 days ago · 8 km deep · 89 km away
28. 2.022km NE of Thermal, CASat, Feb 5, 2:53 AM PST · 15947 days ago · 1 km deep · 82 km away
29. 1.910km WSW of Corona, CASat, Feb 5, 7:22 AM PST · 15947 days ago · 6 km deep · 87 km away
30. 1.811km NNE of Pine Valley, CASat, Feb 5, 2:47 PM PST · 15947 days ago · 5 km deep · 73 km away
31. 1.64km N of Fontana, CASat, Feb 5, 4:05 PM PST · 15947 days ago · 5 km deep · 92 km away
32. 1.811km NNE of Borrego Springs, CASat, Feb 5, 4:43 PM PST · 15947 days ago · 8 km deep · 44 km away
33. 2.24km NNE of Fontana, CASat, Feb 5, 10:48 PM PST · 15946 days ago · 6 km deep · 91 km away
34. 1.66km WSW of Palomar Observatory, CASun, Feb 6, 12:32 AM PST · 15946 days ago · 18 km deep · 24 km away
35. 1.612km NE of Joshua Tree, CASun, Feb 6, 3:29 AM PST · 15946 days ago · 2 km deep · 93 km away
36. 1.717km SSE of Joshua Tree, CASun, Feb 6, 8:07 AM PST · 15946 days ago · 11 km deep · 72 km away
37. 1.521km NE of Thermal, CASun, Feb 6, 5:54 PM PST · 15946 days ago · 0 km deep · 81 km away
38. 2.46km SSW of Devore, CASun, Feb 6, 6:30 PM PST · 15946 days ago · 4 km deep · 93 km away
39. 1.90km SW of San Bernardino, CASun, Feb 6, 8:42 PM PST · 15946 days ago · 3 km deep · 83 km away
40. 2.23km NNE of Devore, CASun, Feb 6, 9:41 PM PST · 15945 days ago · 8 km deep · 98 km away
41. 2.18km SW of Morongo Valley, CAMon, Feb 7, 1:26 AM PST · 15945 days ago · 6 km deep · 54 km away
42. 1.88km NNW of Aguanga, CAMon, Feb 7, 6:13 AM PST · 15945 days ago · 12 km deep · 9 km away
43. 2.16km NE of Yucca Valley, CAMon, Feb 7, 6:59 AM PST · 15945 days ago · 0 km deep · 79 km away
44. 1.911km NNE of Pine Valley, CAMon, Feb 7, 8:08 AM PST · 15945 days ago · 13 km deep · 72 km away
45. 1.64km ENE of Beaumont, CAMon, Feb 7, 9:34 AM PST · 15945 days ago · 14 km deep · 49 km away
46. 1.64km S of Idyllwild, CAMon, Feb 7, 1:09 PM PST · 15945 days ago · 17 km deep · 22 km away
47. 1.88km SSW of Salton City, CAMon, Feb 7, 2:50 PM PST · 15945 days ago · 6 km deep · 81 km away
48. 1.516km NW of Yucca Valley, CAMon, Feb 7, 4:03 PM PST · 15945 days ago · 4 km deep · 81 km away
49. 1.512km NNE of Cabazon, CAMon, Feb 7, 5:06 PM PST · 15945 days ago · 13 km deep · 57 km away
50. 1.65km NNW of Big Bear City, CAMon, Feb 7, 8:25 PM PST · 15945 days ago · 3 km deep · 87 km away
51. 1.84km NNE of Fontana, CAMon, Feb 7, 10:08 PM PST · 15944 days ago · 6 km deep · 91 km away
52. 1.99km SSW of Idyllwild, CATue, Feb 8, 6:37 AM PST · 15944 days ago · 13 km deep · 16 km away
53. 2.010km SE of Big Bear City, CATue, Feb 8, 10:25 AM PST · 15944 days ago · 4 km deep · 77 km away
54. 1.815km NW of Yucca Valley, CATue, Feb 8, 12:03 PM PST · 15944 days ago · 3 km deep · 79 km away
55. 1.94km SSE of Devore, CAWed, Feb 9, 1:37 AM PST · 15943 days ago · 11 km deep · 92 km away
56. 2.55km N of Moreno Valley, CAWed, Feb 9, 12:07 PM PST · 15943 days ago · 10 km deep · 65 km away
57. 2.16km E of Calimesa, CAWed, Feb 9, 5:34 PM PST · 15943 days ago · 11 km deep · 55 km away
58. 2.14km N of Moreno Valley, CAThu, Feb 10, 2:27 AM PST · 15942 days ago · 13 km deep · 64 km away
59. 1.95km W of Anza, CAThu, Feb 10, 7:06 AM PST · 15942 days ago · 3 km deep · 7 km away
60. 1.61km SSE of Loma Linda, CAFri, Feb 11, 12:18 AM PST · 15941 days ago · 16 km deep · 72 km away

The first 60 of 178.

Before

1. 1.611km WSW of Anza, CASun, Jan 30, 4:08 AM PST · 15953 days ago · 3 km deep · 0 km away
2. 2.01km SE of Loma Linda, CASat, Jan 29, 10:47 PM PST · 15953 days ago · 16 km deep · 72 km away
3. 2.124km NE of Thermal, CASat, Jan 29, 2:58 PM PST · 15954 days ago · -1 km deep · 83 km away
4. 1.76km SSW of Big Bear Lake, CASat, Jan 29, 12:20 PM PST · 15954 days ago · 9 km deep · 77 km away
5. 1.84km SSE of Lake Henshaw, CASat, Jan 29, 12:17 PM PST · 15954 days ago · 5 km deep · 35 km away
6. 2.13km ESE of Ontario, CASat, Jan 29, 10:20 AM PST · 15954 days ago · 13 km deep · 95 km away
7. 2.75km NNW of Cabazon, CASat, Jan 29, 5:09 AM PST · 15954 days ago · 12 km deep · 49 km away
8. 2.113km SE of Anza, CASat, Jan 29, 2:02 AM PST · 15954 days ago · 8 km deep · 21 km away
9. 2.010km SSW of Morongo Valley, CAFri, Jan 28, 11:40 PM PST · 15954 days ago · 14 km deep · 52 km away
10. 1.922km ESE of Anza, CAFri, Jan 28, 7:34 AM PST · 15955 days ago · 6 km deep · 31 km away
11. 2.322km NE of Thermal, CAFri, Jan 28, 1:47 AM PST · 15955 days ago · 1 km deep · 82 km away
12. 2.622km NE of Thermal, CAFri, Jan 28, 12:20 AM PST · 15955 days ago · 0 km deep · 82 km away
13. 2.822km NE of Thermal, CAThu, Jan 27, 10:51 PM PST · 15955 days ago · 1 km deep · 82 km away
14. 2.16km NE of Cabazon, CAThu, Jan 27, 6:51 PM PST · 15956 days ago · 16 km deep · 49 km away
15. 1.923km ESE of Anza, CAThu, Jan 27, 4:44 PM PST · 15956 days ago · 10 km deep · 32 km away
16. 1.621km NE of Thermal, CAThu, Jan 27, 1:42 PM PST · 15956 days ago · 1 km deep · 81 km away
17. 2.022km NE of Thermal, CAThu, Jan 27, 12:28 PM PST · 15956 days ago · 1 km deep · 81 km away
18. 2.321km NE of Thermal, CAThu, Jan 27, 12:26 PM PST · 15956 days ago · 1 km deep · 81 km away
19. 1.510km NE of Aguanga, CAThu, Jan 27, 12:14 PM PST · 15956 days ago · 6 km deep · 1 km away
20. 2.022km NE of Thermal, CAThu, Jan 27, 9:30 AM PST · 15956 days ago · 1 km deep · 82 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci503203. Read Sun, Oct 4, 2026, 5:02 PM UTC.