Tunguska and Chelyabinsk are both places located in Russia where meteor strikes occurred. Here are some of the differences between the two:
Tunguska's event happened in 1908 while Chelyabinsk's event happened in 2018.
Tunguska's meteor strike occurred in a remote and less populated area while the Chelyabinsk meteor strike occurred in a wider and populated area.
Tunguska's meteor strike killed three people while Chelyabinsk meteor strike injured 1,500 people who were immediately in need of medical assistance.
Tunguska's meteor strike happened as an "impact event" while Chelyabinsk's meteor strike happened as an "air burst."
Tunguska event is the largest impact event that ever occurred in Earth's history while the Chelyabinsk meteor is said to be the largest object that ever entered the Earth's atmosphere.