M1.9 earthquake 12km ESE of Alpine, CA

Magnitude

1.9 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Feb 3, 1983, 6:30 AM PST

UTC

1983-02-03 14:30:28 UTC

Depth

16.6 km (10.3 mi), shallow

Epicenter

32.790° N, 116.652° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.5 km in depth

Depth from

From location

Station coverage gap

87°

Stations used

15

• Descanso, CaliforniaPopulation 1,423. Forecast8 kmSSW
• Alpine, CaliforniaPopulation 14,236. Forecast12 kmESE
• El Cajon, CaliforniaPopulation 103,679. Forecast29 kmE
• Tijuana, MexicoPopulation 1,922,523. Forecast46 kmNE

After

1. 1.58km SW of Salton City, CAThu, Feb 3, 11:01 AM PST · 15947 days ago · 0 km deep · 78 km away
2. 2.04km W of Borrego Springs, CAFri, Feb 4, 12:10 AM PST · 15947 days ago · 4 km deep · 56 km away
3. 3.49km NNE of Pine Valley, CAFri, Feb 4, 8:19 AM PST · 15946 days ago · 14 km deep · 19 km away
4. 1.811km NNE of Pine Valley, CASat, Feb 5, 2:47 PM PST · 15945 days ago · 5 km deep · 20 km away
5. 1.811km NNE of Borrego Springs, CASat, Feb 5, 4:43 PM PST · 15945 days ago · 8 km deep · 69 km away
6. 2.231km ENE of Ensenada, B.C., MXSat, Feb 5, 10:10 PM PST · 15945 days ago · 6 km deep · 96 km away
7. 1.66km WSW of Palomar Observatory, CASun, Feb 6, 12:32 AM PST · 15945 days ago · 18 km deep · 65 km away
8. 2.67km E of Campo, CAMon, Feb 7, 12:35 AM PST · 15944 days ago · 6 km deep · 31 km away
9. 2.118km SW of La Jolla, CAMon, Feb 7, 2:24 AM PST · 15944 days ago · 6 km deep · 72 km away
10. 1.88km NNW of Aguanga, CAMon, Feb 7, 6:13 AM PST · 15944 days ago · 12 km deep · 83 km away
11. 1.911km NNE of Pine Valley, CAMon, Feb 7, 8:08 AM PST · 15943 days ago · 13 km deep · 20 km away
12. 1.88km SSW of Salton City, CAMon, Feb 7, 2:50 PM PST · 15943 days ago · 6 km deep · 80 km away
13. 1.99km SSW of Idyllwild, CATue, Feb 8, 6:37 AM PST · 15942 days ago · 13 km deep · 97 km away
14. 1.95km W of Anza, CAThu, Feb 10, 7:06 AM PST · 15940 days ago · 3 km deep · 86 km away
15. 1.513km SE of Anza, CAFri, Feb 11, 8:55 PM PST · 15939 days ago · 6 km deep · 75 km away
16. 1.810km NNW of Anza, CASat, Feb 12, 3:37 AM PST · 15939 days ago · 11 km deep · 95 km away
17. 1.54km WNW of Anza, CASat, Feb 12, 8:48 AM PST · 15938 days ago · 2 km deep · 86 km away
18. 2.016km SW of La Jolla, CASat, Feb 12, 5:45 PM PST · 15938 days ago · 6 km deep · 71 km away
19. 1.712km N of Borrego Springs, CASat, Feb 12, 8:51 PM PST · 15938 days ago · 9 km deep · 69 km away
20. 1.87km SSW of Salton City, CASat, Feb 12, 9:04 PM PST · 15938 days ago · 4 km deep · 79 km away
21. 2.518km ESE of Anza, CASun, Feb 13, 1:46 PM PST · 15937 days ago · 13 km deep · 76 km away
22. 1.818km ESE of Anza, CASun, Feb 13, 1:54 PM PST · 15937 days ago · 10 km deep · 77 km away
23. 2.04km E of Julian, CAMon, Feb 14, 1:13 AM PST · 15937 days ago · 10 km deep · 34 km away
24. 2.933km NE of Ensenada, B.C., MXMon, Feb 14, 8:29 PM PST · 15936 days ago · 6 km deep · 89 km away
25. 1.68km ESE of Ocotillo Wells, CATue, Feb 15, 3:05 AM PST · 15936 days ago · 9 km deep · 67 km away
26. 1.623km N of Borrego Springs, CATue, Feb 15, 3:17 AM PST · 15936 days ago · 8 km deep · 78 km away
27. 1.718km N of Borrego Springs, CATue, Feb 15, 10:30 PM PST · 15935 days ago · 11 km deep · 75 km away
28. 1.920km ESE of Anza, CAWed, Feb 16, 5:31 PM PST · 15934 days ago · 3 km deep · 79 km away
29. 1.511km N of Borrego Springs, CAWed, Feb 16, 6:24 PM PST · 15934 days ago · 11 km deep · 69 km away
30. 1.515km SSW of Ocotillo, CAWed, Feb 16, 10:21 PM PST · 15934 days ago · 1 km deep · 56 km away
31. 1.916km SSW of Ocotillo, CAWed, Feb 16, 11:15 PM PST · 15934 days ago · 2 km deep · 57 km away
32. 2.020km SSW of Ocotillo Wells, CAThu, Feb 17, 2:01 AM PST · 15934 days ago · 12 km deep · 45 km away
33. 1.621km ESE of Anza, CAThu, Feb 17, 6:39 AM PST · 15933 days ago · 5 km deep · 79 km away
34. 1.86km WNW of Lake Henshaw, CAThu, Feb 17, 7:50 AM PST · 15933 days ago · 10 km deep · 55 km away
35. 2.320km W of Westmorland, CAThu, Feb 17, 3:22 PM PST · 15933 days ago · 5 km deep · 80 km away
36. 1.819km WSW of Westmorland, CAThu, Feb 17, 3:27 PM PST · 15933 days ago · 4 km deep · 81 km away
37. 1.87km SSW of Salton City, CAThu, Feb 17, 4:09 PM PST · 15933 days ago · 4 km deep · 80 km away
38. 1.90km NNE of Anza, CAFri, Feb 18, 3:05 PM PST · 15932 days ago · 8 km deep · 85 km away
39. 2.111km NW of Julian, CAFri, Feb 18, 3:20 PM PST · 15932 days ago · 15 km deep · 39 km away
40. 2.537km NE of Ensenada, B.C., MXFri, Feb 18, 5:25 PM PST · 15932 days ago · 6 km deep · 77 km away
41. 3.312km NW of Ocotillo, CAFri, Feb 18, 11:31 PM PST · 15932 days ago · 15 km deep · 54 km away
42. 1.918km N of Ocotillo, CASat, Feb 19, 1:52 AM PST · 15932 days ago · 7 km deep · 66 km away
43. 1.519km NNE of Ocotillo, CASat, Feb 19, 2:09 AM PST · 15932 days ago · 9 km deep · 67 km away
44. 1.522km SW of Ocotillo Wells, CASat, Feb 19, 2:14 AM PST · 15932 days ago · 4 km deep · 41 km away
45. 2.05km W of Borrego Springs, CASat, Feb 19, 3:17 AM PST · 15932 days ago · 3 km deep · 56 km away
46. 1.84km W of Borrego Springs, CASat, Feb 19, 5:44 AM PST · 15932 days ago · 3 km deep · 56 km away
47. 1.813km SE of Anza, CASat, Feb 19, 9:47 AM PST · 15931 days ago · 7 km deep · 76 km away
48. 1.813km SE of Anza, CASat, Feb 19, 2:31 PM PST · 15931 days ago · 7 km deep · 76 km away
49. 1.66km W of Anza, CASun, Feb 20, 1:45 AM PST · 15931 days ago · 3 km deep · 87 km away
50. 1.717km SE of Ocotillo Wells, CASun, Feb 20, 3:02 PM PST · 15930 days ago · 6 km deep · 65 km away
51. 2.317km SE of Ocotillo Wells, CASun, Feb 20, 8:22 PM PST · 15930 days ago · 6 km deep · 65 km away
52. 2.214km SE of Anza, CAMon, Feb 21, 12:42 AM PST · 15930 days ago · 12 km deep · 75 km away
53. 1.613km NNE of Ocotillo, CAMon, Feb 21, 6:36 AM PST · 15929 days ago · 1 km deep · 66 km away
54. 1.713km SE of Anza, CAMon, Feb 21, 10:59 PM PST · 15929 days ago · 7 km deep · 76 km away
55. 2.316km SE of Ocotillo Wells, CATue, Feb 22, 2:16 PM PST · 15928 days ago · 12 km deep · 66 km away
56. 2.41km ESE of Anza, CATue, Feb 22, 3:40 PM PST · 15928 days ago · 6 km deep · 85 km away
57. 1.826km ENE of Primo Tapia, B.C., MXTue, Feb 22, 5:34 PM PST · 15928 days ago · 6 km deep · 51 km away
58. 1.65km NE of Ocotillo Wells, CAWed, Feb 23, 11:47 AM PST · 15927 days ago · 8 km deep · 67 km away
59. 1.517km SSW of Oasis, CAThu, Feb 24, 4:14 AM PST · 15927 days ago · 8 km deep · 74 km away
60. 1.714km SE of Anza, CAThu, Feb 24, 7:12 AM PST · 15926 days ago · 8 km deep · 75 km away

The first 60 of 153.

Before

1. 1.617km ESE of Anza, CATue, Feb 1, 7:19 PM PST · 15949 days ago · 9 km deep · 79 km away
2. 1.95km SW of Salton City, CATue, Feb 1, 12:48 AM PST · 15950 days ago · 2 km deep · 81 km away
3. 1.75km W of Anza, CAMon, Jan 31, 8:13 PM PST · 15950 days ago · 4 km deep · 85 km away
4. 1.95km SW of Salton City, CAMon, Jan 31, 5:14 PM PST · 15950 days ago · 0 km deep · 82 km away
5. 1.54km SW of Salton City, CAMon, Jan 31, 4:04 PM PST · 15950 days ago · 3 km deep · 82 km away
6. 1.91km WNW of Julian, CAMon, Jan 31, 6:31 AM PST · 15950 days ago · 16 km deep · 33 km away
7. 2.311km WSW of Anza, CASun, Jan 30, 5:16 AM PST · 15952 days ago · -1 km deep · 82 km away
8. 1.718km ESE of Anza, CASun, Jan 30, 5:04 AM PST · 15952 days ago · 9 km deep · 79 km away
9. 1.511km WSW of Anza, CASun, Jan 30, 5:01 AM PST · 15952 days ago · 1 km deep · 82 km away
10. 1.611km WSW of Anza, CASun, Jan 30, 4:08 AM PST · 15952 days ago · 3 km deep · 82 km away
11. 1.55km WNW of Westmorland, CASat, Jan 29, 8:52 PM PST · 15952 days ago · 10 km deep · 97 km away
12. 1.84km SSE of Lake Henshaw, CASat, Jan 29, 12:17 PM PST · 15952 days ago · 5 km deep · 47 km away
13. 2.113km SE of Anza, CASat, Jan 29, 2:02 AM PST · 15953 days ago · 8 km deep · 76 km away
14. 1.922km ESE of Anza, CAFri, Jan 28, 7:34 AM PST · 15953 days ago · 6 km deep · 79 km away
15. 2.531km NE of Ensenada, B.C., MXFri, Jan 28, 4:00 AM PST · 15954 days ago · 6 km deep · 81 km away
16. 1.923km ESE of Anza, CAThu, Jan 27, 4:44 PM PST · 15954 days ago · 10 km deep · 80 km away
17. 1.510km NE of Aguanga, CAThu, Jan 27, 12:14 PM PST · 15954 days ago · 6 km deep · 81 km away
18. 2.214km SE of Anza, CAThu, Jan 27, 8:13 AM PST · 15954 days ago · 10 km deep · 75 km away
19. 2.322km SSW of Ocotillo Wells, CAThu, Jan 27, 7:10 AM PST · 15954 days ago · 2 km deep · 43 km away
20. 2.221km SSW of Ocotillo Wells, CAThu, Jan 27, 7:09 AM PST · 15954 days ago · 6 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci1101308. Read Sat, Oct 3, 2026, 1:55 AM UTC.