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Four Miners Recovered Dead at Chile’s El Teniente Mine as One Remains Missing

Prosecutors are examining potential safety breaches after a tremor collapsed a tunnel at El Teniente, leaving one miner still missing.

FILE - Aerial view of El Teniente copper mine, operated by Codelco, where a collapse killed one worker and trapped five others underground, leading to a suspension of operations in Rancagua Chile, Aug. 2, 2025. (AP Photo/Esteban Felix, file)
Workers walk at the entrance of El Teniente copper mine, operated by Codelco in Chile, where a collapse killed one worker and trapped five others underground, leading to a suspension of operations in Rancagua Chile, Friday, Aug. 1, 2025. (AP Photo/Esteban Felix)
A person lights a candle during a vigil in front of El Teniente copper mine, operated by Codelco, where a cave-in killed one worker and trapped five others underground, halting operations in Rancagua, Chile, Saturday, Aug. 2, 2025. (AP Photo/Esteban Felix)
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Overview

  • Four of the five miners caught in the quake-induced collapse on July 31 have been found dead, raising the death toll at El Teniente to five.
  • Rescue crews have cleared 24 meters of rock debris and are drilling through the Andesita section to reach the final miner, Moises Pavez, who remains unaccounted for.
  • GPS signals located the trapped workers underground, guiding targeted drilling efforts by rescue teams.
  • Codelco halted extraction in the collapsed area and evacuated about 3,000 personnel as operations at the world’s largest underground copper mine were disrupted.
  • Chilean prosecutors have opened a criminal investigation into potential safety violations and Codelco is probing whether mining operations induced the tremor.