M1.6 earthquake 10km ENE of Calexico, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, May 17, 1981, 6:33 PM PDT

UTC

1981-05-18 01:33:34 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

32.726° N, 115.411° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

152°

Stations used

18

• Calexico, CaliforniaPopulation 40,053. Forecast10 kmENE
• Mexicali, MexicoPopulation 1,032,686. Forecast12 kmNNE

After

1. 1.66km NNE of Calipatria, CAMon, May 18, 10:26 AM PDT · 16573 days ago · 6 km deep · 50 km away
2. 1.713km WSW of Westmorland, CAMon, May 18, 10:37 AM PDT · 16573 days ago · 10 km deep · 42 km away
3. 1.56km NNE of Calipatria, CAMon, May 18, 10:59 AM PDT · 16572 days ago · 5 km deep · 51 km away
4. 1.66km NNE of Calipatria, CAMon, May 18, 12:23 PM PDT · 16572 days ago · 7 km deep · 51 km away
5. 1.513km WSW of Westmorland, CAMon, May 18, 12:47 PM PDT · 16572 days ago · 8 km deep · 42 km away
6. 1.613km SW of Westmorland, CAMon, May 18, 12:49 PM PDT · 16572 days ago · 5 km deep · 41 km away
7. 1.55km NNE of Calipatria, CAMon, May 18, 12:55 PM PDT · 16572 days ago · 5 km deep · 50 km away
8. 1.65km N of Calipatria, CAMon, May 18, 12:57 PM PDT · 16572 days ago · 5 km deep · 50 km away
9. 1.510km W of Calipatria, CAMon, May 18, 12:58 PM PDT · 16572 days ago · 13 km deep · 50 km away
10. 1.711km WNW of Calipatria, CAMon, May 18, 1:08 PM PDT · 16572 days ago · 11 km deep · 52 km away
11. 1.511km WNW of Calipatria, CAMon, May 18, 1:15 PM PDT · 16572 days ago · 9 km deep · 51 km away
12. 1.711km W of Calipatria, CAMon, May 18, 1:26 PM PDT · 16572 days ago · 11 km deep · 51 km away
13. 2.512km WNW of Calipatria, CAMon, May 18, 2:15 PM PDT · 16572 days ago · 13 km deep · 52 km away
14. 1.611km WNW of Calipatria, CAMon, May 18, 2:32 PM PDT · 16572 days ago · 11 km deep · 51 km away
15. 2.511km WNW of Calipatria, CAMon, May 18, 2:33 PM PDT · 16572 days ago · 13 km deep · 52 km away
16. 1.612km WSW of Westmorland, CAMon, May 18, 2:49 PM PDT · 16572 days ago · 5 km deep · 42 km away
17. 2.511km WNW of Calipatria, CAMon, May 18, 3:38 PM PDT · 16572 days ago · 10 km deep · 52 km away
18. 1.710km S of Salton City, CAMon, May 18, 5:18 PM PDT · 16572 days ago · 9 km deep · 73 km away
19. 1.56km ESE of Niland, CAMon, May 18, 9:01 PM PDT · 16572 days ago · 4 km deep · 56 km away
20. 1.77km WSW of Westmorland, CAMon, May 18, 10:13 PM PDT · 16572 days ago · 11 km deep · 41 km away
21. 2.78km NW of Calipatria, CATue, May 19, 2:56 AM PDT · 16572 days ago · 4 km deep · 53 km away
22. 1.87km E of Imperial, CATue, May 19, 1:16 PM PDT · 16571 days ago · 13 km deep · 15 km away
23. 2.334km WSW of Alberto Oviedo Mota, B.C., MXWed, May 20, 1:47 AM PDT · 16571 days ago · 6 km deep · 73 km away
24. 2.339km WSW of Alberto Oviedo Mota, B.C., MXWed, May 20, 1:30 PM PDT · 16570 days ago · 6 km deep · 73 km away
25. 1.514km S of Salton City, CAThu, May 21, 1:11 AM PDT · 16570 days ago · 12 km deep · 70 km away
26. 1.94km SSW of Salton City, CAThu, May 21, 6:21 AM PDT · 16570 days ago · 5 km deep · 79 km away
27. 1.813km WNW of Calipatria, CAThu, May 21, 12:48 PM PDT · 16569 days ago · 7 km deep · 54 km away
28. 2.114km SE of Puebla, B.C., MXFri, May 22, 10:12 AM PDT · 16569 days ago · 6 km deep · 32 km away
29. 1.75km N of Westmorland, CAFri, May 22, 10:54 AM PDT · 16568 days ago · 9 km deep · 45 km away
30. 1.85km SSW of Niland, CAFri, May 22, 11:33 PM PDT · 16568 days ago · 8 km deep · 54 km away
31. 1.910km W of Calipatria, CASun, May 24, 6:44 AM PDT · 16567 days ago · 13 km deep · 50 km away
32. 1.67km WSW of Westmorland, CASun, May 24, 6:46 AM PDT · 16567 days ago · 9 km deep · 41 km away
33. 1.85km WNW of Westmorland, CASun, May 24, 7:38 AM PDT · 16567 days ago · 4 km deep · 44 km away
34. 1.86km S of Salton City, CASun, May 24, 8:24 AM PDT · 16567 days ago · 3 km deep · 77 km away
35. 2.337km WSW of Alberto Oviedo Mota, B.C., MXSun, May 24, 5:01 PM PDT · 16566 days ago · 6 km deep · 73 km away
36. 1.727km SE of Ocotillo Wells, CAMon, May 25, 5:41 PM PDT · 16565 days ago · 9 km deep · 55 km away
37. 1.827km SE of Ocotillo Wells, CATue, May 26, 10:17 PM PDT · 16564 days ago · 8 km deep · 55 km away
38. 1.62km S of Brawley, CAWed, May 27, 2:30 PM PDT · 16563 days ago · 14 km deep · 28 km away
39. 2.37km WSW of Calipatria, CAWed, May 27, 2:43 PM PDT · 16563 days ago · 8 km deep · 46 km away
40. 2.055km SW of Alberto Oviedo Mota, B.C., MXWed, May 27, 9:15 PM PDT · 16563 days ago · 6 km deep · 89 km away
41. 1.96km E of Niland, CAThu, May 28, 2:16 AM PDT · 16563 days ago · 5 km deep · 57 km away
42. 1.85km ESE of Niland, CAThu, May 28, 2:21 AM PDT · 16563 days ago · 8 km deep · 56 km away
43. 1.518km ESE of Campo, CAThu, May 28, 3:40 PM PDT · 16562 days ago · 6 km deep · 85 km away
44. 1.84km WNW of Westmorland, CAFri, May 29, 4:25 AM PDT · 16562 days ago · 4 km deep · 43 km away
45. 2.24km SSW of Salton City, CAFri, May 29, 8:18 AM PDT · 16562 days ago · 5 km deep · 79 km away
46. 2.25km S of Salton City, CASat, May 30, 7:35 AM PDT · 16561 days ago · 5 km deep · 78 km away
47. 2.47km NW of Delta, B.C., MXSat, May 30, 3:08 PM PDT · 16560 days ago · 6 km deep · 39 km away
48. 1.76km S of Salton City, CASat, May 30, 8:20 PM PDT · 16560 days ago · 5 km deep · 77 km away
49. 1.912km NNW of Delta, B.C., MXMon, Jun 1, 12:47 AM PDT · 16559 days ago · 6 km deep · 34 km away
50. 2.152km SSW of Progreso, B.C., MXMon, Jun 1, 9:36 PM PDT · 16558 days ago · 6 km deep · 74 km away
51. 2.35km S of Salton City, CAMon, Jun 1, 10:16 PM PDT · 16558 days ago · 5 km deep · 78 km away
52. 1.88km SE of Ocotillo Wells, CATue, Jun 2, 2:53 AM PDT · 16558 days ago · 3 km deep · 74 km away
53. 1.513km NNW of Delta, B.C., MXTue, Jun 2, 5:16 AM PDT · 16558 days ago · 6 km deep · 33 km away
54. 2.15km S of Salton City, CATue, Jun 2, 1:18 PM PDT · 16557 days ago · 5 km deep · 78 km away
55. 1.75km SSW of Salton City, CATue, Jun 2, 6:25 PM PDT · 16557 days ago · 5 km deep · 78 km away
56. 1.62km SSW of Brawley, CAWed, Jun 3, 11:23 PM PDT · 16556 days ago · 14 km deep · 29 km away
57. 1.92km SSW of Brawley, CAWed, Jun 3, 11:24 PM PDT · 16556 days ago · 15 km deep · 29 km away
58. 1.67km NW of Progreso, B.C., MXThu, Jun 4, 12:21 AM PDT · 16556 days ago · 6 km deep · 23 km away
59. 1.527km SSW of Ocotillo Wells, CAThu, Jun 4, 8:24 AM PDT · 16556 days ago · 6 km deep · 81 km away
60. 1.57km WSW of Calipatria, CAThu, Jun 4, 8:10 PM PDT · 16555 days ago · 11 km deep · 45 km away

The first 60 of 194.

Before

1. 1.66km S of Niland, CASun, May 17, 12:02 PM PDT · 16573 days ago · 5 km deep · 53 km away
2. 1.711km ESE of North Shore, CASun, May 17, 4:33 AM PDT · 16574 days ago · 4 km deep · 94 km away
3. 1.919km ESE of Julian, CAFri, May 15, 1:44 PM PDT · 16575 days ago · 4 km deep · 99 km away
4. 1.65km WNW of Westmorland, CAFri, May 15, 12:39 AM PDT · 16576 days ago · 3 km deep · 44 km away
5. 2.01km ENE of Niland, CAThu, May 14, 4:46 PM PDT · 16576 days ago · 4 km deep · 58 km away
6. 1.86km WSW of Calipatria, CAWed, May 13, 7:03 PM PDT · 16577 days ago · 7 km deep · 45 km away
7. 1.525km ENE of Pine Valley, CATue, May 12, 8:12 AM PDT · 16579 days ago · 6 km deep · 86 km away
8. 1.77km SSE of Brawley, CATue, May 12, 1:10 AM PDT · 16579 days ago · 14 km deep · 23 km away
9. 1.57km ESE of Niland, CATue, May 12, 12:16 AM PDT · 16579 days ago · 3 km deep · 54 km away
10. 1.86km NNE of Calipatria, CAMon, May 11, 3:18 PM PDT · 16579 days ago · 6 km deep · 51 km away
11. 1.56km ESE of Niland, CAMon, May 11, 2:33 PM PDT · 16579 days ago · 7 km deep · 54 km away
12. 2.06km WNW of Westmorland, CAMon, May 11, 2:13 PM PDT · 16579 days ago · 10 km deep · 45 km away
13. 2.016km WSW of Alberto Oviedo Mota, B.C., MXMon, May 11, 6:59 AM PDT · 16580 days ago · 6 km deep · 62 km away
14. 2.218km W of Alberto Oviedo Mota, B.C., MXMon, May 11, 5:34 AM PDT · 16580 days ago · 6 km deep · 59 km away
15. 1.76km ESE of Niland, CASun, May 10, 2:19 PM PDT · 16580 days ago · 5 km deep · 54 km away
16. 2.07km S of Delta, B.C., MXSun, May 10, 9:28 AM PDT · 16581 days ago · 6 km deep · 52 km away
17. 2.23km WNW of Delta, B.C., MXSun, May 10, 9:22 AM PDT · 16581 days ago · 6 km deep · 44 km away
18. 1.85km NW of Delta, B.C., MXSun, May 10, 9:06 AM PDT · 16581 days ago · 6 km deep · 41 km away
19. 1.84km ESE of Niland, CASat, May 9, 8:42 PM PDT · 16581 days ago · 5 km deep · 55 km away
20. 1.66km ESE of Niland, CASat, May 9, 7:46 PM PDT · 16581 days ago · 4 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci516195. Read Fri, Oct 2, 2026, 5:11 AM UTC.