M1.7 earthquake 15km WNW of Delta, B.C., MX

Magnitude

1.7 (mc), micro

Local time

Fri, Mar 20, 1987, 3:16 AM PST

UTC

1987-03-20 11:16:35 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

32.419° N, 115.338° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

217°, poorly surrounded by stations

Stations used

0

• Puebla, MexicoPopulation 15,168. Forecast16 kmS
• Mexicali, MexicoPopulation 1,032,686. Forecast26 kmSSE

After

1. 2.07km SW of Holtville, CAFri, Mar 20, 12:13 PM PST · 14431 days ago · 14 km deep · 40 km away
2. 2.512km W of Delta, B.C., MXFri, Mar 20, 11:07 PM PST · 14431 days ago · 6 km deep · 8 km away
3. 1.811km W of Delta, B.C., MXFri, Mar 20, 11:59 PM PST · 14431 days ago · 6 km deep · 8 km away
4. 2.27km SSW of Holtville, CASat, Mar 21, 1:38 AM PST · 14430 days ago · 13 km deep · 38 km away
5. 2.17km SW of Holtville, CASat, Mar 21, 1:39 AM PST · 14430 days ago · 11 km deep · 39 km away
6. 1.912km WSW of Delta, B.C., MXSat, Mar 21, 3:24 AM PST · 14430 days ago · 6 km deep · 10 km away
7. 2.311km WSW of Delta, B.C., MXSat, Mar 21, 5:35 AM PST · 14430 days ago · 6 km deep · 12 km away
8. 3.064km SW of Alberto Oviedo Mota, B.C., MXSat, Mar 21, 6:38 AM PST · 14430 days ago · 5 km deep · 69 km away
9. 2.29km SW of Puebla, B.C., MXSat, Mar 21, 2:09 PM PST · 14430 days ago · 6 km deep · 11 km away
10. 1.812km SSW of Puebla, B.C., MXSat, Mar 21, 5:09 PM PST · 14430 days ago · 6 km deep · 8 km away
11. 3.169km SW of Alberto Oviedo Mota, B.C., MXSun, Mar 22, 3:49 PM PST · 14429 days ago · 6 km deep · 77 km away
12. 1.816km SSW of Puebla, B.C., MXMon, Mar 23, 8:01 PM PST · 14428 days ago · 6 km deep · 8 km away
13. 3.356km E of Maneadero, B.C., MXTue, Mar 24, 4:38 PM PST · 14427 days ago · 5 km deep · 98 km away
14. 2.210km S of Progreso, B.C., MXWed, Mar 25, 4:21 AM PST · 14426 days ago · 6 km deep · 26 km away
15. 1.68km S of Brawley, CAFri, Mar 27, 3:23 PM PST · 14424 days ago · 7 km deep · 57 km away
16. 2.853km SSW of Progreso, B.C., MXSat, Mar 28, 6:27 AM PST · 14423 days ago · 6 km deep · 55 km away
17. 1.920km ESE of Ocotillo Wells, CASun, Mar 29, 2:33 AM PST · 14422 days ago · 9 km deep · 91 km away
18. 2.320km SSE of Estacion Coahuila, B.C., MXSun, Mar 29, 5:33 PM PST · 14422 days ago · 6 km deep · 58 km away
19. 2.929km S of Estacion Coahuila, B.C., MXSun, Mar 29, 5:33 PM PST · 14422 days ago · 6 km deep · 65 km away
20. 2.220km SSE of Estacion Coahuila, B.C., MXSun, Mar 29, 5:34 PM PST · 14422 days ago · 6 km deep · 58 km away
21. 2.15km SE of Progreso, B.C., MXSun, Mar 29, 11:43 PM PST · 14422 days ago · 6 km deep · 24 km away
22. 2.421km SSE of Ocotillo, CAMon, Mar 30, 6:05 PM PST · 14421 days ago · 13 km deep · 54 km away
23. 1.86km ESE of Progreso, B.C., MXMon, Mar 30, 8:33 PM PST · 14421 days ago · 6 km deep · 24 km away
24. 1.52km S of Brawley, CATue, Mar 31, 4:28 AM PST · 14420 days ago · 6 km deep · 63 km away
25. 2.972km ENE of Maneadero, B.C., MXTue, Mar 31, 8:19 PM PST · 14420 days ago · 5 km deep · 78 km away
26. 2.25km W of Brawley, CAWed, Apr 1, 3:33 PM PST · 14419 days ago · 0 km deep · 66 km away
27. 2.26km SE of Westmorland, CAWed, Apr 1, 5:46 PM PST · 14419 days ago · 4 km deep · 68 km away
28. 3.253km E of Maneadero, B.C., MXThu, Apr 2, 12:12 PM PST · 14418 days ago · 5 km deep · 97 km away
29. 2.68km NNW of Delta, B.C., MXThu, Apr 2, 4:18 PM PST · 14418 days ago · 6 km deep · 9 km away
30. 1.75km S of Brawley, CASat, Apr 4, 1:54 PM PST · 14416 days ago · 11 km deep · 60 km away
31. 2.714km WNW of Delta, B.C., MXTue, Apr 7, 8:57 AM PDT · 14413 days ago · 6 km deep · 3 km away
32. 2.421km WNW of Ocotillo, CATue, Apr 7, 8:24 PM PDT · 14413 days ago · 12 km deep · 92 km away
33. 2.717km NW of Ocotillo, CAWed, Apr 8, 11:38 AM PDT · 14412 days ago · 10 km deep · 87 km away
34. 2.952km SSW of Progreso, B.C., MXWed, Apr 8, 2:34 PM PDT · 14412 days ago · 6 km deep · 54 km away
35. 2.012km E of Ocotillo Wells, CAWed, Apr 8, 10:17 PM PDT · 14412 days ago · 10 km deep · 100 km away
36. 1.66km WSW of Holtville, CAThu, Apr 9, 10:09 PM PDT · 14411 days ago · 10 km deep · 43 km away
37. 2.854km E of Maneadero, B.C., MXSat, Apr 11, 4:54 AM PDT · 14409 days ago · 6 km deep · 99 km away
38. 1.913km SSW of Puebla, B.C., MXMon, Apr 13, 6:35 AM PDT · 14407 days ago · 6 km deep · 8 km away
39. 1.814km SSW of Puebla, B.C., MXMon, Apr 13, 7:05 AM PDT · 14407 days ago · 6 km deep · 8 km away
40. 2.412km W of Niland, CAMon, Apr 13, 11:40 PM PDT · 14407 days ago · 0 km deep · 97 km away
41. 3.057km E of Maneadero, B.C., MXTue, Apr 14, 5:40 AM PDT · 14406 days ago · 5 km deep · 97 km away
42. 2.017km SSW of Puebla, B.C., MXWed, Apr 15, 3:53 AM PDT · 14405 days ago · 6 km deep · 7 km away
43. 2.810km SE of Puebla, B.C., MXThu, Apr 16, 12:19 PM PDT · 14404 days ago · 6 km deep · 12 km away
44. 2.816km SSW of Puebla, B.C., MXThu, Apr 16, 4:04 PM PDT · 14404 days ago · 6 km deep · 5 km away
45. 1.88km ESE of Puebla, B.C., MXThu, Apr 16, 5:00 PM PDT · 14404 days ago · 6 km deep · 14 km away
46. 1.99km SE of Puebla, B.C., MXThu, Apr 16, 6:36 PM PDT · 14404 days ago · 6 km deep · 12 km away
47. 2.09km NE of Puebla, B.C., MXThu, Apr 16, 6:44 PM PDT · 14404 days ago · 6 km deep · 23 km away
48. 1.75km NW of Brawley, CAFri, Apr 17, 11:44 AM PDT · 14403 days ago · 14 km deep · 69 km away
49. 2.47km NW of Calipatria, CASat, Apr 18, 3:52 AM PDT · 14402 days ago · 1 km deep · 87 km away
50. 2.512km SSW of Puebla, B.C., MXSat, Apr 18, 4:37 AM PDT · 14402 days ago · 6 km deep · 8 km away
51. 1.914km SSW of Puebla, B.C., MXSat, Apr 18, 4:44 AM PDT · 14402 days ago · 6 km deep · 8 km away
52. 2.612km SSW of Puebla, B.C., MXSat, Apr 18, 5:25 AM PDT · 14402 days ago · 6 km deep · 8 km away
53. 2.125km WSW of Westmorland, CASat, Apr 18, 10:28 PM PDT · 14402 days ago · 5 km deep · 80 km away
54. 2.17km NW of Calipatria, CASun, Apr 19, 10:37 PM PDT · 14401 days ago · 1 km deep · 87 km away
55. 2.17km SSW of Niland, CAMon, Apr 20, 3:12 AM PDT · 14400 days ago · 1 km deep · 87 km away
56. 3.39km SE of Estacion Coahuila, B.C., MXMon, Apr 20, 11:59 AM PDT · 14400 days ago · 6 km deep · 49 km away
57. 2.87km NW of Calipatria, CATue, Apr 21, 4:30 AM PDT · 14399 days ago · 1 km deep · 87 km away
58. 1.911km SSW of Puebla, B.C., MXTue, Apr 21, 2:30 PM PDT · 14399 days ago · 6 km deep · 9 km away
59. 2.421km WSW of Westmorland, CATue, Apr 21, 5:36 PM PDT · 14399 days ago · 7 km deep · 74 km away
60. 2.118km N of Ocotillo, CAWed, Apr 22, 6:33 PM PDT · 14398 days ago · 8 km deep · 79 km away

The first 60 of 133.

Before

1. 1.811km NNW of Delta, B.C., MXThu, Mar 19, 8:35 PM PST · 14432 days ago · 6 km deep · 10 km away
2. 2.525km SW of Ocotillo, CAThu, Mar 19, 2:34 PM PST · 14432 days ago · 6 km deep · 77 km away
3. 3.262km E of Maneadero, B.C., MXThu, Mar 19, 7:36 AM PST · 14432 days ago · 5 km deep · 93 km away
4. 2.950km ENE of Maneadero, B.C., MXThu, Mar 19, 2:37 AM PST · 14432 days ago · 5 km deep · 92 km away
5. 1.816km WNW of Delta, B.C., MXTue, Mar 17, 6:31 PM PST · 14434 days ago · 6 km deep · 1 km away
6. 2.614km W of Delta, B.C., MXTue, Mar 17, 9:26 AM PST · 14434 days ago · 6 km deep · 7 km away
7. 1.611km WNW of Delta, B.C., MXTue, Mar 17, 8:09 AM PST · 14434 days ago · 6 km deep · 5 km away
8. 2.314km WNW of Delta, B.C., MXTue, Mar 17, 4:01 AM PST · 14434 days ago · 6 km deep · 4 km away
9. 2.215km NW of Ocotillo, CASun, Mar 15, 6:51 PM PST · 14436 days ago · 11 km deep · 85 km away
10. 1.712km S of Progreso, B.C., MXSat, Mar 14, 9:54 PM PST · 14437 days ago · 6 km deep · 22 km away
11. 1.816km WNW of Delta, B.C., MXSat, Mar 14, 7:51 PM PST · 14437 days ago · 6 km deep · 1 km away
12. 2.41km S of Brawley, CASat, Mar 14, 11:54 AM PST · 14437 days ago · 10 km deep · 64 km away
13. 1.71km SSE of Brawley, CASat, Mar 14, 9:17 AM PST · 14437 days ago · 10 km deep · 64 km away
14. 2.33km SSW of Brawley, CASat, Mar 14, 9:11 AM PST · 14437 days ago · 3 km deep · 62 km away
15. 3.12km S of Brawley, CASat, Mar 14, 9:10 AM PST · 14437 days ago · 6 km deep · 63 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci719051. Read Tue, Sep 22, 2026, 8:47 PM UTC.