M1.7 earthquake 7km ENE of Westmorland, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Sep 23, 1983, 3:14 PM PDT

UTC

1983-09-23 22:14:12 UTC

Depth

6.5 km (4.0 mi), shallow

Epicenter

33.061° N, 115.557° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

0°

Stations used

0

• Westmorland, CaliforniaPopulation 2,267. Forecast7 kmENE
• Brawley, CaliforniaPopulation 25,897. Forecast9 kmNNW
• Mexicali, MexicoPopulation 1,032,686. Forecast49 kmN

After

1. 1.58km ENE of El Centro, CAFri, Sep 23, 4:10 PM PDT · 15715 days ago · 6 km deep · 27 km away
2. 1.85km NNE of Puebla, B.C., MXFri, Sep 23, 5:14 PM PDT · 15715 days ago · 17 km deep · 55 km away
3. 1.82km NE of Julian, CAFri, Sep 23, 8:28 PM PDT · 15715 days ago · 16 km deep · 96 km away
4. 1.520km NNW of Borrego Springs, CASat, Sep 24, 3:37 AM PDT · 15714 days ago · 11 km deep · 92 km away
5. 2.218km SW of Ocotillo Wells, CASat, Sep 24, 9:32 AM PDT · 15714 days ago · 6 km deep · 64 km away
6. 1.54km N of Puebla, B.C., MXMon, Sep 26, 7:58 PM PDT · 15712 days ago · 18 km deep · 55 km away
7. 1.630km WNW of Desert Center, CATue, Sep 27, 2:46 AM PDT · 15711 days ago · 13 km deep · 81 km away
8. 1.922km SE of Anza, CAWed, Sep 28, 7:10 AM PDT · 15710 days ago · 13 km deep · 96 km away
9. 1.814km NNE of Borrego Springs, CAThu, Sep 29, 12:56 AM PDT · 15710 days ago · 10 km deep · 77 km away
10. 1.719km E of Ocotillo Wells, CAThu, Sep 29, 8:07 AM PDT · 15709 days ago · 13 km deep · 35 km away
11. 1.614km NNE of Borrego Springs, CAFri, Sep 30, 12:39 AM PDT · 15709 days ago · 10 km deep · 78 km away
12. 2.921km WSW of Westmorland, CAFri, Sep 30, 5:24 AM PDT · 15708 days ago · 7 km deep · 28 km away
13. 1.72km W of Borrego Springs, CASun, Oct 2, 11:12 PM PDT · 15706 days ago · 3 km deep · 81 km away
14. 2.020km ESE of Ocotillo Wells, CAMon, Oct 3, 7:38 AM PDT · 15705 days ago · 7 km deep · 36 km away
15. 1.823km NE of Pine Valley, CAMon, Oct 3, 12:44 PM PDT · 15705 days ago · 5 km deep · 73 km away
16. 1.523km SSW of Ocotillo Wells, CAMon, Oct 3, 8:12 PM PDT · 15705 days ago · 13 km deep · 61 km away
17. 1.822km WSW of Westmorland, CAMon, Oct 3, 8:50 PM PDT · 15705 days ago · 8 km deep · 29 km away
18. 2.511km WSW of Puebla, B.C., MXTue, Oct 4, 4:56 AM PDT · 15704 days ago · 6 km deep · 61 km away
19. 1.74km WSW of Brawley, CATue, Oct 4, 6:10 AM PDT · 15704 days ago · 8 km deep · 10 km away
20. 1.811km SSW of Ocotillo Wells, CATue, Oct 4, 4:32 PM PDT · 15704 days ago · 8 km deep · 59 km away
21. 2.522km ESE of Anza, CAWed, Oct 5, 11:32 AM PDT · 15703 days ago · 10 km deep · 96 km away
22. 1.913km W of Salton City, CAWed, Oct 5, 4:37 PM PDT · 15703 days ago · 1 km deep · 57 km away
23. 2.18km SW of Salton City, CAThu, Oct 6, 4:16 AM PDT · 15702 days ago · 3 km deep · 47 km away
24. 1.813km SW of Borrego Springs, CAThu, Oct 6, 6:03 AM PDT · 15702 days ago · 12 km deep · 85 km away
25. 2.310km NNE of Ocotillo Wells, CAThu, Oct 6, 12:28 PM PDT · 15702 days ago · 10 km deep · 52 km away
26. 1.924km NE of Pine Valley, CAThu, Oct 6, 5:04 PM PDT · 15702 days ago · 5 km deep · 72 km away
27. 2.410km NNE of Ocotillo Wells, CAThu, Oct 6, 8:50 PM PDT · 15702 days ago · 11 km deep · 52 km away
28. 1.75km NNE of Westmorland, CAFri, Oct 7, 8:12 AM PDT · 15701 days ago · 6 km deep · 4 km away
29. 2.748km SSW of Progreso, B.C., MXFri, Oct 7, 3:21 PM PDT · 15701 days ago · 6 km deep · 99 km away
30. 1.922km ESE of Anza, CASat, Oct 8, 2:03 PM PDT · 15700 days ago · 11 km deep · 96 km away
31. 1.915km S of Puebla, B.C., MXSat, Oct 8, 5:08 PM PDT · 15700 days ago · 6 km deep · 72 km away
32. 2.07km E of Ocotillo Wells, CASun, Oct 9, 2:21 AM PDT · 15699 days ago · 11 km deep · 47 km away
33. 2.017km WSW of Oasis, CASun, Oct 9, 4:48 AM PDT · 15699 days ago · 10 km deep · 74 km away
34. 1.920km ESE of Julian, CASun, Oct 9, 5:17 AM PDT · 15699 days ago · 1 km deep · 79 km away
35. 1.531km WNW of Desert Center, CAMon, Oct 10, 2:23 PM PDT · 15698 days ago · 11 km deep · 81 km away
36. 1.78km NE of Imperial, CAMon, Oct 10, 4:27 PM PDT · 15698 days ago · 7 km deep · 18 km away
37. 1.88km SSW of Bombay Beach, CATue, Oct 11, 12:50 AM PDT · 15698 days ago · 5 km deep · 32 km away
38. 1.83km W of Borrego Springs, CATue, Oct 11, 6:21 AM PDT · 15697 days ago · 3 km deep · 82 km away
39. 1.911km WSW of Salton City, CAWed, Oct 12, 3:59 PM PDT · 15696 days ago · 2 km deep · 53 km away
40. 2.121km ENE of Thermal, CAWed, Oct 12, 9:27 PM PDT · 15696 days ago · 0 km deep · 84 km away
41. 1.85km SE of Bombay Beach, CAWed, Oct 12, 10:57 PM PDT · 15696 days ago · 5 km deep · 31 km away
42. 1.711km WSW of Salton City, CAThu, Oct 13, 1:02 AM PDT · 15696 days ago · 3 km deep · 53 km away
43. 1.611km WSW of Salton City, CAThu, Oct 13, 1:02 AM PDT · 15696 days ago · 2 km deep · 53 km away
44. 2.012km SSW of Ocotillo Wells, CAThu, Oct 13, 2:49 AM PDT · 15695 days ago · 9 km deep · 60 km away
45. 2.013km WSW of Salton City, CAThu, Oct 13, 4:13 AM PDT · 15695 days ago · 6 km deep · 54 km away
46. 1.82km SSW of Westmorland, CAFri, Oct 14, 10:33 AM PDT · 15694 days ago · 12 km deep · 8 km away
47. 2.33km SE of Brawley, CASat, Oct 15, 9:05 AM PDT · 15693 days ago · 15 km deep · 12 km away
48. 1.74km SE of Brawley, CASat, Oct 15, 10:05 AM PDT · 15693 days ago · 11 km deep · 13 km away
49. 2.42km SE of Brawley, CASat, Oct 15, 10:29 AM PDT · 15693 days ago · 14 km deep · 11 km away
50. 2.23km SE of Brawley, CASat, Oct 15, 10:55 AM PDT · 15693 days ago · 14 km deep · 12 km away
51. 1.59km SW of Holtville, CASun, Oct 16, 7:27 PM PDT · 15692 days ago · 14 km deep · 37 km away
52. 1.86km S of Salton City, CAMon, Oct 17, 12:47 PM PDT · 15691 days ago · 5 km deep · 43 km away
53. 2.64km S of Salton City, CAMon, Oct 17, 4:50 PM PDT · 15691 days ago · 4 km deep · 44 km away
54. 2.010km NE of Borrego Springs, CAMon, Oct 17, 10:35 PM PDT · 15691 days ago · 11 km deep · 76 km away
55. 2.210km SSW of Ocotillo Wells, CATue, Oct 18, 10:07 AM PDT · 15690 days ago · 4 km deep · 59 km away
56. 2.019km ESE of Anza, CATue, Oct 18, 4:33 PM PDT · 15690 days ago · 9 km deep · 99 km away
57. 2.414km NNE of Pine Valley, CATue, Oct 18, 9:06 PM PDT · 15690 days ago · 5 km deep · 85 km away
58. 1.83km N of Brawley, CAWed, Oct 19, 1:05 AM PDT · 15690 days ago · 6 km deep · 7 km away
59. 1.819km N of Borrego Springs, CAThu, Oct 20, 3:44 AM PDT · 15688 days ago · 7 km deep · 83 km away
60. 1.96km S of Salton City, CAThu, Oct 20, 7:18 AM PDT · 15688 days ago · 6 km deep · 43 km away

The first 60 of 191.

Before

1. 2.08km SE of Ocotillo Wells, CAFri, Sep 23, 5:18 AM PDT · 15715 days ago · 11 km deep · 47 km away
2. 1.59km S of Bombay Beach, CAWed, Sep 21, 10:18 PM PDT · 15717 days ago · 1 km deep · 27 km away
3. 1.620km WNW of Progreso, B.C., MXTue, Sep 20, 5:06 PM PDT · 15718 days ago · 6 km deep · 52 km away
4. 2.211km SSW of Ocotillo Wells, CATue, Sep 20, 10:46 AM PDT · 15718 days ago · 5 km deep · 59 km away
5. 1.510km SW of Ocotillo Wells, CATue, Sep 20, 7:54 AM PDT · 15718 days ago · 6 km deep · 59 km away
6. 1.911km SSW of Ocotillo Wells, CATue, Sep 20, 6:24 AM PDT · 15718 days ago · 5 km deep · 59 km away
7. 1.711km SSW of Ocotillo Wells, CATue, Sep 20, 3:37 AM PDT · 15718 days ago · 6 km deep · 59 km away
8. 1.849km SSW of Progreso, B.C., MXMon, Sep 19, 9:30 PM PDT · 15719 days ago · 6 km deep · 99 km away
9. 1.912km SSW of Ocotillo Wells, CAMon, Sep 19, 6:27 PM PDT · 15719 days ago · 5 km deep · 59 km away
10. 3.412km SSW of Ocotillo Wells, CAMon, Sep 19, 5:08 PM PDT · 15719 days ago · 11 km deep · 60 km away
11. 2.06km SSW of North Shore, CAMon, Sep 19, 2:59 PM PDT · 15719 days ago · 5 km deep · 60 km away
12. 2.016km SW of Ocotillo Wells, CAMon, Sep 19, 12:13 PM PDT · 15719 days ago · 5 km deep · 64 km away
13. 2.012km SW of Ocotillo Wells, CAMon, Sep 19, 7:05 AM PDT · 15719 days ago · 7 km deep · 60 km away
14. 1.512km SSW of Ocotillo Wells, CAMon, Sep 19, 6:23 AM PDT · 15719 days ago · 5 km deep · 60 km away
15. 2.125km SSW of Ocotillo Wells, CASun, Sep 18, 9:15 PM PDT · 15720 days ago · 2 km deep · 68 km away
16. 1.512km WSW of Westmorland, CASun, Sep 18, 3:58 PM PDT · 15720 days ago · 13 km deep · 18 km away
17. 1.620km WSW of Westmorland, CASun, Sep 18, 9:14 AM PDT · 15720 days ago · 5 km deep · 26 km away
18. 2.813km NE of Guadalupe Victoria, B.C., MXSat, Sep 17, 9:30 AM PDT · 15721 days ago · 6 km deep · 93 km away
19. 2.113km WNW of Westmorland, CASat, Sep 17, 9:08 AM PDT · 15721 days ago · 6 km deep · 17 km away
20. 1.720km NE of Coachella, CASat, Sep 17, 7:44 AM PDT · 15721 days ago · 3 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci15521. Read Fri, Oct 2, 2026, 7:49 PM UTC.