Mexico earthquakes

M3.4 earthquake 21km SW of Progreso, B.C., MX

A magnitude 3.4 earthquake struck 21km SW of Progreso, B.C., MX on Sun, Dec 7, 1969, 2:23 PM GMT-8 (22:23 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 9km SSE of Salton City, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.4 (ml), minor
Local time
UTC
1969-12-07 22:23:49 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.468° N, 115.764° 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 3.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.19
Depth from
Operator assigned
Station coverage gap
233°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.815km W of Progreso, B.C., MX · 20744 days ago · 6 km deep · 13 km away
  2. 2.72km NNE of Imperial, CA · 20744 days ago · 6 km deep · 48 km away
  3. 2.32km N of El Centro, CA · 20744 days ago · 6 km deep · 43 km away
  4. 2.918km SSW of Ocotillo Wells, CA · 20741 days ago · 6 km deep · 73 km away
  5. 3.79km SSE of Salton City, CA · 20735 days ago · 6 km deep · 85 km away
  6. 3.447km SSW of Progreso, B.C., MX · 20734 days ago · 6 km deep · 33 km away
  7. 2.727km WSW of Westmorland, CA · 20730 days ago · 6 km deep · 58 km away
  8. 2.96km NE of Calexico, CA · 20720 days ago · 6 km deep · 40 km away
  9. 2.88km NE of Mexicali, B.C., MX · 20719 days ago · 6 km deep · 42 km away
  10. 3.07km SSW of Salton City, CA · 20716 days ago · 6 km deep · 89 km away
  11. 3.372km E of Maneadero, B.C., MX · 20714 days ago · 6 km deep · 98 km away
  12. 2.412km ESE of Puebla, B.C., MX · 20709 days ago · 6 km deep · 49 km away
  13. 2.43km W of Ocotillo Wells, CA · 20709 days ago · 6 km deep · 84 km away
  14. 3.14km S of Salton City, CA · 20707 days ago · 6 km deep · 90 km away
  15. 3.026km NE of Pine Valley, CA · 20705 days ago · 6 km deep · 74 km away
  16. 4.558km ENE of Maneadero, B.C., MX · 20702 days ago · 6 km deep · 68 km away
  17. 3.326km NNE of Ocotillo, CA · 20701 days ago · 6 km deep · 56 km away
  18. 4.046km S of Ocotillo, CA · 20700 days ago · 6 km deep · 26 km away

Before

  1. 2.43km SSE of Imperial, CA · 20744 days ago · 6 km deep · 44 km away
  2. 2.63km NNE of Imperial, CA · 20744 days ago · 6 km deep · 49 km away
  3. 2.74km N of Imperial, CA · 20744 days ago · 6 km deep · 49 km away
  4. 2.87km N of Imperial, CA · 20744 days ago · 6 km deep · 52 km away
  5. 3.240km SSW of Progreso, B.C., MX · 20745 days ago · 6 km deep · 23 km away
  6. 3.45km NW of Estacion Coahuila, B.C., MX · 20747 days ago · 6 km deep · 73 km away
  7. 3.721km SSW of Ocotillo Wells, CA · 20750 days ago · 6 km deep · 69 km away
  8. 3.318km SW of Ocotillo Wells, CA · 20752 days ago · 6 km deep · 76 km away
  9. 2.818km SW of Ocotillo Wells, CA · 20753 days ago · 6 km deep · 76 km away
  10. 2.66km WSW of Holtville, CA · 20756 days ago · 6 km deep · 47 km away
  11. 3.443km SSW of Progreso, B.C., MX · 20756 days ago · 6 km deep · 27 km away
  12. 2.517km ESE of Ocotillo Wells, CA · 20760 days ago · 6 km deep · 69 km away
  13. 2.21km NW of El Centro, CA · 20768 days ago · 6 km deep · 41 km away
  14. 2.525km NNE of Ocotillo, CA · 20768 days ago · 6 km deep · 51 km away
  15. 2.325km SE of Ocotillo Wells, CA · 20770 days ago · 6 km deep · 58 km away
  16. 3.549km WSW of Alberto Oviedo Mota, B.C., MX · 20771 days ago · 6 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3325804. Read Thu, Sep 24, 2026, 2:22 AM UTC.