This is big news because it’s so extremely rare: A 20-inch natural gas transmission pipeline—the Columbia Gas Transmission pipeline (owned by Nisource)—exploded near Sissonville, WV, 10 miles north of Charleston. The resulting fire burned for more than an hour and has shut down a portion of nearby Interstate 77 for at least two days.
The explosion happened not far from the Lanham Compressor Station, although there is no indication the compressor station had anything to do with the explosion. An investigation into the explosion is just beginning and there are few known facts. The (rather thin) details as we know them: