Also, the city of Williams, Ariz., temporarily revoked Good Earth Power's burning and grading permits in March following an unattended underground fire in a burn pile. (scientificamerican.com)
Nowhere is this on more dramatic display than here in Jharia, in India's Jharkhand state, where underground fires have been burning for nearly a century. (newscientist.com)
At last count, the United States had 112 documented underground fires like Centralia and Ruth Mullins, along with many more yet to be counted. (discovermagazine.com)