2025 El Teniente mining accident

A localized collapse in the El Teniente mine of Codelco occurred on the afternoon of July 31, 2025, when an earthquake with a magnitude of magnitude 4.2 according to both the National Seismological Center of Chile and the United States Geological Survey caused a collapse inside the mine, leaving six workers dead and nine injured, being the most serious accident at the mine in recent years. According to data from the National Geology and Mining Service (Sernageomin) and the National Seismological Center, on July 31, 2025, "at 17:34 hours, an earthquake of magnitude 4.2 (R) was recorded, located 37 km northeast of Rancagua, causing a collapse inside the "Andesita" mine belonging to the "El Teniente" Division, in the municipality of Machalí." The seismic movement that caused the collapse occurred approximately 400 or 500 meters from the Andesita sector.

Source: Wikipedia — 2025 El Teniente mining accident (CC BY-SA 4.0)