The airport here re-opened after a shutdown following a massive earthquake that shook Nepal.Two international flights took off from the Kathmandu airport around 2.30 p.m.One flight -- TG 320 -- of the Thai Airways took off from Kathmandu and was headed to Bangkok. An Indigo flight -- 6E 32 -- flew out of Kathmandu for Delhi.Flights moving to Kathmandu were diverted when the airport was shut down.Officials said that Air Traffic Control (ATC) personnel came down from the tall tower as it began to shake after a 7.3 magnitude earthquake jolted the country.