Peabody also furloughed about 280 positions, including contractors at its Wambo mine.
Giants eye Peabody coal mine.
Champion had been a former managing director of Rio Tinto's Australian coal business.
Spurbeck served as the company's senior vice-president and interim CFO since January.
Evidence was available to confirm the implementation of the subsidence monitoring program.
Workers had to take evasive action and the drilling rig partially descended into the void.
Peabody had taken proactive steps to protect the long-term sustainability of Wambo underground.
The company was taking proactive steps at Coppabella to protect its long-term sustainability.
It has also been focused on reducing holding costs at North Goonyella mine.
A vertical shaft intended to be used for ventilation purposes was being bored from the surface.
It entered into commercial agreements to reduce rail and port commitments beginning mid 2020.
Other workers attempted to free the worker but were unable to do so.