Interesting: Google's search snippet for 'how big was the tunguska meteor' found and reported a 20m size estimate from the Tunguska wikipedia page, but on manua

Interesting: Google's search snippet for 'how big was the tunguska meteor' found and reported a 20m size estimate from the Tunguska wikipedia page, but on manually reading the wikipedia page it becomes apparent that size estimate is for the Chelyabinsk meteor (which is also discussed on the the Tunguska wikipedia page).