The 2004 Indian Ocean earthquake and tsunami occurred on Sunday, December 26, 2004. The earthquake itself, with a moment magnitude of around 9.2-9.3, devastated Aceh Province, Indonesia, while the tsunami affected countries all around the Indian Ocean. Nations that were affected are listed below in alphabetical order. For detailed information about each country affected by the earthquake and tsunami, see their articles. Countries with a smaller number of casualties, as well as those that lost citizens who were travelling abroad, are listed further on in the article.