Spontaneous Human Combustion — Coroner's Inquest Rules Fire From Within

Spontaneous human combustion (SHC) refers to cases in which human bodies appear to have ignited and burned intensely from an internal source, often with the surrounding environment largely undamaged. While the phenomenon has been reported throughout history, several well-documented modern cases have baffled investigators. In 1980, Henry Thomas of South Wales was found burned to ash in his living room, with only his feet and lower legs remaining. The room around him showed relatively little damage—the ceiling was lightly scorched but furniture nearby was unburned. The heat required to reduce a human body to ash is approximately 1,600°C (2,900°F)—temperatures that should have destroyed the room entirely. In December 2010, Michael Faherty of Ballybane, Ireland was found burned in his own home with a fire in the fireplace above him as the only heat source. The coroner, Dr. Ciaran McLoughlin, recorded spontaneous human combustion on the death certificate—the first time an Irish coroner had done so. He stated he could find no other explanation for what had occurred. The 'wick effect' theory—proposing that human body fat acts as fuel once the skin is ignited—is the most widely accepted scientific explanation, but critics note it doesn't account for the localized nature of the burning or the absence of an initial ignition source in many cases. The phenomenon remains unexplained to the satisfaction of all investigators.