M3.4 earthquake 7km SW of Delta, B.C., MX

Magnitude

3.4 (mc), minor

Local time

Tue, Oct 20, 1987, 1:33 PM PDT

UTC

1987-10-20 20:33:58 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

32.313° N, 115.242° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

261°, poorly surrounded by stations

Stations used

0

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast13 kmWNW
• Mexicali, MexicoPopulation 1,032,686. Forecast40 kmSSE

After

1. 3.069km ENE of Maneadero, B.C., MXThu, Oct 22, 1:39 PM PDT · 14223 days ago · 5 km deep · 77 km away
2. 1.98km S of Brawley, CASun, Oct 25, 4:07 AM PST · 14220 days ago · 3 km deep · 72 km away
3. 2.965km ENE of Maneadero, B.C., MXMon, Oct 26, 6:03 PM PST · 14219 days ago · 5 km deep · 79 km away
4. 3.162km SW of Alberto Oviedo Mota, B.C., MXMon, Oct 26, 6:34 PM PST · 14219 days ago · 6 km deep · 63 km away
5. 2.428km SW of Progreso, B.C., MXTue, Oct 27, 11:48 PM PST · 14218 days ago · 6 km deep · 49 km away
6. 2.848km E of Maneadero, B.C., MXSat, Oct 31, 7:47 PM PST · 14214 days ago · 5 km deep · 97 km away
7. 3.071km E of Maneadero, B.C., MXSun, Nov 1, 3:12 AM PST · 14213 days ago · 5 km deep · 82 km away
8. 3.168km ENE of Maneadero, B.C., MXFri, Nov 6, 4:34 PM PST · 14208 days ago · 5 km deep · 78 km away
9. 2.27km SW of Holtville, CASat, Nov 7, 3:37 AM PST · 14207 days ago · 6 km deep · 53 km away
10. 2.82km NNE of Delta, B.C., MXMon, Nov 9, 6:52 AM PST · 14205 days ago · 6 km deep · 9 km away
11. 1.55km NNW of Brawley, CATue, Nov 10, 9:04 AM PST · 14204 days ago · 10 km deep · 84 km away
12. 2.79km ESE of Holtville, CATue, Nov 10, 3:12 PM PST · 14204 days ago · 6 km deep · 52 km away
13. 2.63km WNW of Guadalupe Victoria, B.C., MXWed, Nov 11, 5:02 AM PST · 14203 days ago · 6 km deep · 10 km away
14. 2.78km WSW of Heber, CAThu, Nov 12, 1:36 PM PST · 14202 days ago · 10 km deep · 55 km away
15. 2.310km NNE of Delta, B.C., MXFri, Nov 13, 8:26 AM PST · 14201 days ago · 6 km deep · 16 km away
16. 1.96km W of Holtville, CAFri, Nov 13, 6:47 PM PST · 14201 days ago · 5 km deep · 58 km away
17. 2.67km W of Holtville, CAFri, Nov 13, 10:54 PM PST · 14201 days ago · 5 km deep · 59 km away
18. 3.066km E of Maneadero, B.C., MXMon, Nov 16, 7:27 AM PST · 14198 days ago · 6 km deep · 83 km away
19. 3.153km SSW of Progreso, B.C., MXMon, Nov 16, 6:14 PM PST · 14198 days ago · 6 km deep · 57 km away
20. 2.82km WNW of Brawley, CASat, Nov 21, 11:37 PM PST · 14193 days ago · 5 km deep · 80 km away
21. 2.52km WNW of Brawley, CASat, Nov 21, 11:44 PM PST · 14193 days ago · 5 km deep · 80 km away
22. 2.33km W of Brawley, CASun, Nov 22, 12:03 AM PST · 14193 days ago · 3 km deep · 80 km away
23. 2.24km SSE of Brawley, CASun, Nov 22, 12:12 AM PST · 14193 days ago · 1 km deep · 75 km away
24. 4.215km WNW of Westmorland, CAMon, Nov 23, 5:32 PM PST · 14191 days ago · 4 km deep · 98 km away
25. 2.215km WNW of Westmorland, CAMon, Nov 23, 5:42 PM PST · 14191 days ago · 4 km deep · 98 km away
26. 2.215km W of Westmorland, CAMon, Nov 23, 5:43 PM PST · 14191 days ago · 4 km deep · 97 km away
27. 4.016km WNW of Westmorland, CAMon, Nov 23, 5:53 PM PST · 14191 days ago · 4 km deep · 98 km away
28. 3.917km WNW of Westmorland, CAMon, Nov 23, 6:01 PM PST · 14191 days ago · 6 km deep · 99 km away
29. 3.018km W of Westmorland, CAMon, Nov 23, 6:02 PM PST · 14191 days ago · 6 km deep · 100 km away
30. 3.014km W of Westmorland, CAMon, Nov 23, 6:04 PM PST · 14191 days ago · 5 km deep · 97 km away
31. 3.116km WNW of Westmorland, CAMon, Nov 23, 6:05 PM PST · 14191 days ago · 0 km deep · 100 km away
32. 3.719km W of Westmorland, CAMon, Nov 23, 6:06 PM PST · 14191 days ago · 3 km deep · 98 km away
33. 3.317km W of Westmorland, CAMon, Nov 23, 6:07 PM PST · 14191 days ago · 4 km deep · 97 km away
34. 3.017km WNW of Westmorland, CAMon, Nov 23, 6:11 PM PST · 14191 days ago · 0 km deep · 99 km away
35. 4.518km W of Westmorland, CAMon, Nov 23, 6:14 PM PST · 14191 days ago · 5 km deep · 97 km away
36. 4.816km W of Westmorland, CAMon, Nov 23, 6:15 PM PST · 14191 days ago · 5 km deep · 97 km away
37. 4.117km W of Westmorland, CAMon, Nov 23, 6:16 PM PST · 14191 days ago · 5 km deep · 97 km away
38. 3.918km W of Westmorland, CAMon, Nov 23, 6:21 PM PST · 14191 days ago · 4 km deep · 96 km away
39. 2.918km W of Westmorland, CAMon, Nov 23, 6:31 PM PST · 14191 days ago · 3 km deep · 97 km away
40. 3.116km W of Westmorland, CAMon, Nov 23, 6:35 PM PST · 14191 days ago · 3 km deep · 94 km away
41. 2.715km WNW of Westmorland, CAMon, Nov 23, 6:42 PM PST · 14191 days ago · 1 km deep · 99 km away
42. 3.115km WNW of Westmorland, CAMon, Nov 23, 6:43 PM PST · 14191 days ago · 2 km deep · 98 km away
43. 3.518km W of Westmorland, CAMon, Nov 23, 6:46 PM PST · 14191 days ago · 3 km deep · 95 km away
44. 2.914km WNW of Westmorland, CAMon, Nov 23, 6:46 PM PST · 14191 days ago · 1 km deep · 100 km away
45. 2.623km WSW of Westmorland, CAMon, Nov 23, 6:48 PM PST · 14191 days ago · 5 km deep · 88 km away
46. 4.718km W of Westmorland, CAMon, Nov 23, 6:53 PM PST · 14191 days ago · 4 km deep · 97 km away
47. 2.416km W of Westmorland, CAMon, Nov 23, 6:57 PM PST · 14191 days ago · 5 km deep · 98 km away
48. 2.418km W of Westmorland, CAMon, Nov 23, 7:01 PM PST · 14191 days ago · 1 km deep · 96 km away
49. 2.818km W of Westmorland, CAMon, Nov 23, 7:01 PM PST · 14191 days ago · 2 km deep · 94 km away
50. 2.518km W of Westmorland, CAMon, Nov 23, 7:01 PM PST · 14191 days ago · 2 km deep · 96 km away
51. 2.518km W of Westmorland, CAMon, Nov 23, 7:05 PM PST · 14191 days ago · 3 km deep · 95 km away
52. 3.318km W of Westmorland, CAMon, Nov 23, 7:05 PM PST · 14191 days ago · 1 km deep · 94 km away
53. 3.118km W of Westmorland, CAMon, Nov 23, 7:06 PM PST · 14191 days ago · 2 km deep · 94 km away
54. 3.318km W of Westmorland, CAMon, Nov 23, 7:07 PM PST · 14191 days ago · 2 km deep · 96 km away
55. 3.420km W of Westmorland, CAMon, Nov 23, 7:13 PM PST · 14191 days ago · 5 km deep · 98 km away
56. 2.416km WNW of Westmorland, CAMon, Nov 23, 7:28 PM PST · 14191 days ago · 6 km deep · 99 km away
57. 3.317km W of Westmorland, CAMon, Nov 23, 7:28 PM PST · 14191 days ago · 1 km deep · 95 km away
58. 2.314km WNW of Westmorland, CAMon, Nov 23, 7:32 PM PST · 14191 days ago · 6 km deep · 99 km away
59. 2.617km W of Westmorland, CAMon, Nov 23, 7:35 PM PST · 14191 days ago · 2 km deep · 95 km away
60. 2.419km WSW of Westmorland, CAMon, Nov 23, 7:36 PM PST · 14191 days ago · 2 km deep · 93 km away

The first 60 of 182.

Before

1. 2.744km ENE of Ensenada, B.C., MXTue, Oct 20, 8:10 AM PDT · 14225 days ago · 6 km deep · 95 km away
2. 2.869km ENE of Maneadero, B.C., MXTue, Oct 20, 2:28 AM PDT · 14226 days ago · 5 km deep · 78 km away
3. 3.971km E of Maneadero, B.C., MXMon, Oct 19, 10:45 PM PDT · 14226 days ago · 5 km deep · 88 km away
4. 2.865km ENE of Maneadero, B.C., MXMon, Oct 19, 10:45 PM PDT · 14226 days ago · 5 km deep · 81 km away
5. 3.067km ENE of Maneadero, B.C., MXSun, Oct 18, 8:40 AM PDT · 14227 days ago · 5 km deep · 78 km away
6. 2.970km WSW of Alberto Oviedo Mota, B.C., MXSun, Oct 18, 2:55 AM PDT · 14227 days ago · 6 km deep · 68 km away
7. 2.315km WNW of Imperial, CASat, Oct 17, 2:10 PM PDT · 14228 days ago · 5 km deep · 80 km away
8. 1.96km S of Brawley, CAThu, Oct 15, 1:50 AM PDT · 14231 days ago · 1 km deep · 73 km away
9. 2.016km SSW of Puebla, B.C., MXTue, Oct 13, 10:16 PM PDT · 14232 days ago · 6 km deep · 22 km away
10. 2.213km SSW of Puebla, B.C., MXMon, Oct 12, 3:26 PM PDT · 14233 days ago · 6 km deep · 24 km away
11. 2.28km WSW of Puebla, B.C., MXMon, Oct 12, 1:50 PM PDT · 14233 days ago · 12 km deep · 31 km away
12. 2.912km SW of Puebla, B.C., MXMon, Oct 12, 8:24 AM PDT · 14233 days ago · 6 km deep · 27 km away
13. 1.99km SW of Puebla, B.C., MXSun, Oct 11, 8:53 PM PDT · 14234 days ago · 6 km deep · 29 km away
14. 2.611km SW of Puebla, B.C., MXSun, Oct 11, 7:18 PM PDT · 14234 days ago · 16 km deep · 27 km away
15. 2.312km ESE of Progreso, B.C., MXSun, Oct 11, 5:42 PM PDT · 14234 days ago · 6 km deep · 33 km away
16. 2.08km W of Puebla, B.C., MXSat, Oct 10, 12:39 PM PDT · 14235 days ago · 6 km deep · 32 km away
17. 1.89km WSW of Puebla, B.C., MXSat, Oct 10, 5:40 AM PDT · 14235 days ago · 6 km deep · 30 km away
18. 2.313km SSW of Puebla, B.C., MXSat, Oct 10, 5:33 AM PDT · 14235 days ago · 6 km deep · 24 km away
19. 1.610km SW of Puebla, B.C., MXSat, Oct 10, 4:29 AM PDT · 14235 days ago · 6 km deep · 27 km away
20. 2.412km SSE of Progreso, B.C., MXFri, Oct 9, 11:37 PM PDT · 14236 days ago · 6 km deep · 32 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci733287. Read Wed, Sep 30, 2026, 9:23 PM UTC.