Mexico earthquakes

M1.5 earthquake 9km WSW of Delta, B.C., MX

A magnitude 1.5 earthquake struck 9km WSW of Delta, B.C., MX on Sat, Feb 28, 1987, 2:25 PM PST (22:25 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 21km WSW of Westmorland, CA. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (mh), micro
Local time
UTC
1987-02-28 22:25:02 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
32.316° N, 115.275° W
Region
Mexico
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.0 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
255°, poorly surrounded by stations
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 3.121km WSW of Westmorland, CA · 14451 days ago · 4 km deep · 89 km away
  2. 1.523km WSW of Westmorland, CA · 14451 days ago · 9 km deep · 92 km away
  3. 2.975km ESE of Maneadero, B.C., MX · 14450 days ago · 6 km deep · 96 km away
  4. 2.35km SE of Ocotillo, CA · 14449 days ago · 5 km deep · 77 km away
  5. 2.13km ESE of Ocotillo, CA · 14448 days ago · 5 km deep · 79 km away
  6. 2.210km SE of Ocotillo, CA · 14447 days ago · 7 km deep · 72 km away
  7. 1.89km NNW of Delta, B.C., MX · 14446 days ago · 6 km deep · 12 km away
  8. 1.914km WNW of Delta, B.C., MX · 14445 days ago · 6 km deep · 9 km away
  9. 1.915km W of Delta, B.C., MX · 14444 days ago · 6 km deep · 9 km away
  10. 2.424km SW of Progreso, B.C., MX · 14444 days ago · 6 km deep · 47 km away
  11. 2.617km S of Puebla, B.C., MX · 14444 days ago · 6 km deep · 13 km away
  12. 1.814km W of Delta, B.C., MX · 14444 days ago · 6 km deep · 8 km away
  13. 1.910km SE of Ocotillo, CA · 14444 days ago · 8 km deep · 72 km away
  14. 2.211km NW of Delta, B.C., MX · 14443 days ago · 6 km deep · 13 km away
  15. 1.94km WNW of Delta, B.C., MX · 14443 days ago · 6 km deep · 7 km away
  16. 1.710km NW of Delta, B.C., MX · 14443 days ago · 6 km deep · 12 km away
  17. 2.514km WNW of Delta, B.C., MX · 14443 days ago · 6 km deep · 11 km away
  18. 1.68km S of Puebla, B.C., MX · 14442 days ago · 6 km deep · 20 km away
  19. 2.944km E of Ensenada, B.C., MX · 14442 days ago · 5 km deep · 95 km away
  20. 2.537km WSW of Alberto Oviedo Mota, B.C., MX · 14440 days ago · 6 km deep · 35 km away
  21. 1.912km S of Progreso, B.C., MX · 14439 days ago · 6 km deep · 32 km away
  22. 3.072km ENE of Maneadero, B.C., MX · 14437 days ago · 6 km deep · 71 km away
  23. 1.72km W of Brawley, CA · 14437 days ago · 1 km deep · 78 km away
  24. 3.12km S of Brawley, CA · 14437 days ago · 6 km deep · 76 km away
  25. 2.33km SSW of Brawley, CA · 14437 days ago · 3 km deep · 75 km away
  26. 1.71km SSE of Brawley, CA · 14437 days ago · 10 km deep · 77 km away
  27. 2.41km S of Brawley, CA · 14437 days ago · 10 km deep · 76 km away
  28. 1.816km WNW of Delta, B.C., MX · 14437 days ago · 6 km deep · 13 km away
  29. 1.712km S of Progreso, B.C., MX · 14437 days ago · 6 km deep · 32 km away
  30. 2.215km NW of Ocotillo, CA · 14436 days ago · 11 km deep · 96 km away
  31. 2.314km WNW of Delta, B.C., MX · 14434 days ago · 6 km deep · 9 km away
  32. 1.611km WNW of Delta, B.C., MX · 14434 days ago · 6 km deep · 8 km away
  33. 2.614km W of Delta, B.C., MX · 14434 days ago · 6 km deep · 8 km away
  34. 1.816km WNW of Delta, B.C., MX · 14434 days ago · 6 km deep · 13 km away
  35. 2.950km ENE of Maneadero, B.C., MX · 14432 days ago · 5 km deep · 90 km away
  36. 3.262km E of Maneadero, B.C., MX · 14432 days ago · 5 km deep · 88 km away
  37. 2.525km SW of Ocotillo, CA · 14432 days ago · 6 km deep · 86 km away
  38. 1.811km NNW of Delta, B.C., MX · 14432 days ago · 6 km deep · 15 km away
  39. 1.715km WNW of Delta, B.C., MX · 14431 days ago · 6 km deep · 13 km away
  40. 2.07km SW of Holtville, CA · 14431 days ago · 14 km deep · 52 km away
  41. 2.512km W of Delta, B.C., MX · 14431 days ago · 6 km deep · 5 km away
  42. 1.811km W of Delta, B.C., MX · 14431 days ago · 6 km deep · 5 km away
  43. 2.27km SSW of Holtville, CA · 14431 days ago · 13 km deep · 51 km away
  44. 2.17km SW of Holtville, CA · 14431 days ago · 11 km deep · 52 km away
  45. 1.912km WSW of Delta, B.C., MX · 14430 days ago · 6 km deep · 4 km away
  46. 2.311km WSW of Delta, B.C., MX · 14430 days ago · 6 km deep · 3 km away
  47. 3.064km SW of Alberto Oviedo Mota, B.C., MX · 14430 days ago · 5 km deep · 63 km away
  48. 2.29km SW of Puebla, B.C., MX · 14430 days ago · 6 km deep · 24 km away
  49. 1.812km SSW of Puebla, B.C., MX · 14430 days ago · 6 km deep · 21 km away
  50. 3.169km SW of Alberto Oviedo Mota, B.C., MX · 14429 days ago · 6 km deep · 70 km away
  51. 1.816km SSW of Puebla, B.C., MX · 14428 days ago · 6 km deep · 19 km away
  52. 3.356km E of Maneadero, B.C., MX · 14427 days ago · 5 km deep · 94 km away
  53. 2.210km S of Progreso, B.C., MX · 14426 days ago · 6 km deep · 36 km away
  54. 1.68km S of Brawley, CA · 14424 days ago · 7 km deep · 70 km away
  55. 2.853km SSW of Progreso, B.C., MX · 14423 days ago · 6 km deep · 55 km away
  56. 2.320km SSE of Estacion Coahuila, B.C., MX · 14422 days ago · 6 km deep · 46 km away
  57. 2.929km S of Estacion Coahuila, B.C., MX · 14422 days ago · 6 km deep · 52 km away
  58. 2.220km SSE of Estacion Coahuila, B.C., MX · 14422 days ago · 6 km deep · 46 km away
  59. 2.15km SE of Progreso, B.C., MX · 14422 days ago · 6 km deep · 36 km away
  60. 2.421km SSE of Ocotillo, CA · 14421 days ago · 13 km deep · 64 km away

The first 60 of 109.

Before

  1. 2.09km WNW of Delta, B.C., MX · 14451 days ago · 3 km deep · 6 km away
  2. 2.622km S of Alberto Oviedo Mota, B.C., MX · 14453 days ago · 6 km deep · 33 km away
  3. 2.19km NNW of Delta, B.C., MX · 14454 days ago · 6 km deep · 13 km away
  4. 2.118km W of Westmorland, CA · 14454 days ago · 8 km deep · 96 km away
  5. 1.96km NNE of Westmorland, CA · 14454 days ago · 6 km deep · 91 km away
  6. 1.916km S of Puebla, B.C., MX · 14455 days ago · 6 km deep · 13 km away
  7. 1.513km WNW of Delta, B.C., MX · 14455 days ago · 6 km deep · 9 km away
  8. 2.016km W of Delta, B.C., MX · 14457 days ago · 7 km deep · 10 km away
  9. 2.752km SSW of Progreso, B.C., MX · 14457 days ago · 6 km deep · 54 km away
  10. 2.734km S of Progreso, B.C., MX · 14458 days ago · 6 km deep · 34 km away
  11. 1.74km ESE of Brawley, CA · 14458 days ago · 6 km deep · 75 km away
  12. 2.214km S of Puebla, B.C., MX · 14462 days ago · 8 km deep · 16 km away
  13. 3.115km WNW of Delta, B.C., MX · 14463 days ago · 6 km deep · 11 km away
  14. 2.412km WNW of Delta, B.C., MX · 14463 days ago · 6 km deep · 9 km away
  15. 2.014km WNW of Delta, B.C., MX · 14464 days ago · 6 km deep · 11 km away
  16. 1.813km S of Puebla, B.C., MX · 14467 days ago · 6 km deep · 16 km away
  17. 3.012km WNW of Delta, B.C., MX · 14467 days ago · 6 km deep · 10 km away
  18. 2.213km WNW of Delta, B.C., MX · 14467 days ago · 6 km deep · 9 km away
  19. 2.213km WNW of Delta, B.C., MX · 14467 days ago · 5 km deep · 11 km away
  20. 1.68km WSW of Calipatria, CA · 14467 days ago · 6 km deep · 92 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ci718058. Read Tue, Sep 22, 2026, 9:31 PM UTC.