M2.5 earthquake 16km N of Delta, B.C., MX

Magnitude

2.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Oct 12, 1973, 9:52 PM PDT

UTC

1973-10-13 04:52:45 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

32.494° N, 115.193° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.0 km horizontally, 3.2 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

251°, poorly surrounded by stations

Stations used

15

• Puebla, MexicoPopulation 15,168. Forecast17 kmESE
• Mexicali, MexicoPopulation 1,032,686. Forecast29 kmESE

After

1. 1.73km S of Brawley, CASat, Oct 13, 12:20 AM PDT · 19348 days ago · 5 km deep · 60 km away
2. 3.071km ENE of Maneadero, B.C., MXTue, Oct 16, 11:25 AM PDT · 19344 days ago · 6 km deep · 89 km away
3. 3.010km WSW of Puebla, B.C., MXWed, Oct 17, 4:16 AM PDT · 19343 days ago · 5 km deep · 24 km away
4. 3.319km ESE of Ocotillo Wells, CASun, Oct 21, 4:20 PM PDT · 19339 days ago · 6 km deep · 95 km away
5. 1.616km WSW of Westmorland, CASun, Oct 21, 4:30 PM PDT · 19339 days ago · 5 km deep · 79 km away
6. 1.721km WSW of Westmorland, CAWed, Oct 24, 7:42 PM PDT · 19336 days ago · 9 km deep · 79 km away
7. 1.613km E of Holtville, CAFri, Oct 26, 5:42 PM PDT · 19334 days ago · 5 km deep · 35 km away
8. 2.16km WSW of Brawley, CASat, Oct 27, 3:10 AM PDT · 19333 days ago · 5 km deep · 63 km away
9. 3.143km SSW of Progreso, B.C., MXFri, Nov 9, 8:05 AM PST · 19320 days ago · 6 km deep · 62 km away
10. 2.110km NE of Ocotillo, CAWed, Nov 14, 4:29 PM PST · 19315 days ago · 0 km deep · 77 km away
11. 2.216km WNW of Progreso, B.C., MXThu, Nov 15, 1:12 AM PST · 19315 days ago · 5 km deep · 53 km away
12. 3.48km ENE of El Centro, CAThu, Nov 15, 4:28 PM PST · 19314 days ago · 8 km deep · 43 km away
13. 2.814km ESE of Puebla, B.C., MXFri, Nov 23, 3:04 AM PST · 19306 days ago · 15 km deep · 4 km away
14. 3.44km WNW of Brawley, CASun, Nov 25, 9:44 PM PST · 19304 days ago · 15 km deep · 66 km away
15. 1.52km W of Brawley, CAMon, Nov 26, 12:34 AM PST · 19304 days ago · 5 km deep · 64 km away
16. 2.56km SE of Westmorland, CATue, Nov 27, 10:49 AM PST · 19302 days ago · 13 km deep · 67 km away
17. 2.53km W of Brawley, CATue, Nov 27, 11:29 PM PST · 19302 days ago · 6 km deep · 64 km away
18. 2.65km W of Brawley, CAWed, Nov 28, 12:31 AM PST · 19302 days ago · 4 km deep · 64 km away
19. 3.060km ENE of Maneadero, B.C., MXWed, Nov 28, 7:21 PM PST · 19301 days ago · 6 km deep · 98 km away
20. 2.74km W of Imperial, CAFri, Nov 30, 3:55 AM PST · 19299 days ago · 21 km deep · 56 km away
21. 2.73km SSW of Brawley, CASat, Dec 1, 12:11 AM PST · 19299 days ago · 14 km deep · 61 km away
22. 2.42km E of Brawley, CASat, Dec 1, 7:13 AM PST · 19298 days ago · 6 km deep · 62 km away
23. 3.045km WSW of Alberto Oviedo Mota, B.C., MXSun, Dec 2, 4:32 AM PST · 19297 days ago · 6 km deep · 60 km away
24. 2.18km ENE of Puebla, B.C., MXFri, Dec 7, 8:59 AM PST · 19292 days ago · 5 km deep · 12 km away

Before

1. 2.29km SSW of Holtville, CAFri, Oct 12, 6:15 AM PDT · 19348 days ago · 6 km deep · 34 km away
2. 1.71km N of El Centro, CASun, Oct 7, 2:37 AM PDT · 19353 days ago · 5 km deep · 48 km away
3. 1.93km NNW of El Centro, CASun, Oct 7, 1:10 AM PDT · 19354 days ago · 5 km deep · 50 km away
4. 1.98km NE of Imperial, CATue, Oct 2, 8:41 PM PDT · 19358 days ago · 4 km deep · 52 km away
5. 1.56km E of Westmorland, CASat, Sep 29, 7:20 AM PDT · 19361 days ago · 5 km deep · 69 km away
6. 2.810km E of Puebla, B.C., MXThu, Sep 27, 5:54 AM PDT · 19363 days ago · 10 km deep · 9 km away
7. 1.77km WSW of Ocotillo, CASat, Sep 22, 9:46 AM PDT · 19368 days ago · 10 km deep · 86 km away
8. 2.28km SW of Westmorland, CASun, Sep 16, 12:14 AM PDT · 19375 days ago · 5 km deep · 71 km away
9. 3.316km SW of Westmorland, CASat, Sep 15, 11:58 PM PDT · 19375 days ago · 6 km deep · 69 km away
10. 3.012km ESE of Puebla, B.C., MXSat, Sep 15, 8:00 PM PDT · 19375 days ago · 6 km deep · 5 km away
11. 3.540km SSW of Progreso, B.C., MXFri, Sep 14, 4:57 PM PDT · 19376 days ago · 6 km deep · 61 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3319240. Read Fri, Oct 2, 2026, 8:44 PM UTC.