 Croatia was affected by the European migrant crisis in 2015 when Hungary's closure of its borders with Serbia forced over 700,000 migrants to use Croatia as a transit country on their way to Western Europe.On 22 March 2020, a 5.5 earthquake struck Croatia, with the epicenter located 7 kilometres (4.3 mi) north of Zagreb city center, the nations capital, inflicting heavy structural damage in historic city center, and causing 27 injuries with one fatality.Over 1,900 buildings were reported to have become uninhabitable by the earthquake damage.