Mexico earthquakes

M4.0 earthquake 18km NW of Tecolots, B.C., MX

A magnitude 4.0 earthquake struck 18km NW of Tecolots, B.C., MX on Tue, Jul 23, 1935, 11:11 AM GMT-8 (19:11 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.5 15km NE of Puebla, B.C., MX. This one was a foreshock.

Puebla forecastMore in Mexico

Map

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

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The earthquake

Magnitude
4.0 (ml), minor
Local time
UTC
1935-07-23 19:11:11 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.682° N, 115.115° 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 6.8 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.17
Depth from
Operator assigned
Station coverage gap
331°, poorly surrounded by stations
Stations used
2

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 0 in the 30 days before it.

After

  1. 2.83km NNE of Heber, CA · 33297 days ago · 6 km deep · 39 km away
  2. 4.515km NE of Puebla, B.C., MX · 33252 days ago · 6 km deep · 12 km away
  3. 4.66km SE of Mexicali, B.C., MX · 33252 days ago · 6 km deep · 31 km away
  4. 3.619km NE of Puebla, B.C., MX · 33252 days ago · 6 km deep · 9 km away
  5. 3.14km SSW of El Centro, CA · 33252 days ago · 6 km deep · 44 km away
  6. 3.45km W of Puebla, B.C., MX · 33252 days ago · 6 km deep · 30 km away
  7. 3.12km WNW of Heber, CA · 33252 days ago · 6 km deep · 41 km away
  8. 3.48km N of Progreso, B.C., MX · 33251 days ago · 6 km deep · 44 km away
  9. 3.125km NNE of Holtville, CA · 33251 days ago · 6 km deep · 39 km away
  10. 3.517km SE of Holtville, CA · 33250 days ago · 6 km deep · 12 km away
  11. 3.30km NNW of El Centro, CA · 33250 days ago · 6 km deep · 43 km away
  12. 3.317km SE of Holtville, CA · 33250 days ago · 6 km deep · 13 km away
  13. 3.217km SE of Holtville, CA · 33250 days ago · 6 km deep · 13 km away
  14. 2.917km SE of Holtville, CA · 33250 days ago · 6 km deep · 13 km away
  15. 2.817km SE of Holtville, CA · 33249 days ago · 6 km deep · 13 km away
  16. 3.610km ESE of Progreso, B.C., MX · 33249 days ago · 6 km deep · 37 km away
  17. 3.517km SE of Holtville, CA · 33249 days ago · 6 km deep · 13 km away
  18. 3.017km SE of Holtville, CA · 33248 days ago · 6 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3363097. Read Tue, Sep 22, 2026, 4:04 PM UTC.