A Cuneiform clay tablet has been revealed to describe an asteroid impact which in 3123 BC hit Köfels, Austria, leaving in its wake a trail of destruction which may acccount for the biblical tale of Sodom and Gomorrah. The Planisphere clay tablet - inscribed around 700 BC - was unearthed in the remains of the library of the Assyrian royal palace at Nineveh. It's a copy of the night diary of a Sumerian astronomer containing drawings of constellations.
Ash and brimstone still remains the sin of "Sodom and Gomorrah". The biblical account of Sodom and Gomorrah is recorded in Genesis chapters 18-19. The Lord informed Abraham that "the outcry against Sodom and Gomorrah is so great and their sin so grievous. Jude 7 declares, "...Sodom and Gomorrah and the surrounding towns gave themselves up to sexual immorality and perversion." "What was the sin of Sodom and Gomorrah?" http://www.gotquestions.org/Sodom-and-Gomorrah.html