Magnitude 5.4 earthquake strikes 47 km WNW of San Antonio de los Cobres, Argentina

A magnitude 5.4 earthquake struck 47 kilometers west-northwest of San Antonio de los Cobres, Argentina, on Friday, July 24, 2026, at 19:38:42 GMT. The United States Geological Survey (USGS) reported the seismic event occurred at a depth of 197.18 kilometers, with coordinates -24.0121 latitude and -66.7282 longitude.

The USGS measures earthquake magnitude using seismographs to detect ground motion caused by seismic waves. This measurement is an instrumental value, reflecting the energy released by the earthquake at its source. The depth and location data provide information about where the earthquake originated beneath the Earth's surface.