Lightning strikes the earth over 100,000 times a day. 10 to 20 percent of these lightning strikes can cause fire.
America’s deadliest fire took place April 27, 1865, aboard the steamship Sultana. Among other passengers were 1,500 recently released Union prisoners traveling home up the Mississippi when the boilers exploded. The ship was six times over capacity, which helps explain the death toll of 1,547.
The Peshtigo Fire in Wisconsin was the second deadliest blaze in United States history, taking 1,200 lives—four times as many as the Great Chicago Fire. Both conflagrations broke out on the same day: October 8, 1871.
A coal seam about 140 miles north of Sydney, Australia, has been burning by some estimates for 500,000 years.
Assuming stable fuel, heat, and oxygen levels, a typical house fire will double in size every minute.