Magnitude 4.5 earthquake strikes 134 km SW of Puerto Madero, Mexico

A magnitude 4.5 earthquake struck 134 km southwest of Puerto Madero, Mexico, on Thursday, July 23, 2026, at 22:39:03 GMT. The United States Geological Survey (USGS) reported the seismic event occurred at a depth of 10 km. The coordinates of the earthquake's epicenter were recorded as 13.9895 latitude and -93.4188 longitude.

The USGS, a scientific agency of the U.S. government, is responsible for monitoring and reporting on earthquakes globally. They use a network of seismographs to measure ground motion and determine key parameters such as magnitude, location, depth, and time of an earthquake. The magnitude scale is a quantitative measure of the energy released at the earthquake's source.