Total U.S. coal production for the week ended Oct. 12 declined 13.6% year over year to 12.8 million tons from 14.8 million tons, according to data from the U.S. Energy Information Administration.

For the 52 weeks ended Oct. 12, production totaled 724.7 million tons, representing a year-over-year slump of 4.0%, while year-to-date coal output dropped 5.0% year over year to 560.0 million tons.

The western region's coal production for the week fell to 7.0 million tons, decreasing 16.2% from the prior year's 8.3 million tons. Data for the western region covers Powder River Basin mines.

Coal production from Appalachian mines totaled 3.4 million tons, down 10.8% year over year from 3.8 million tons.

The interior region's production shrank 9.2% to 2.4 million tons, compared to 2.6 million tons a year ago. Interior region data covers mines in the Illinois Basin.

The EIA's production data is derived from rail carload estimates.