Leyte and Southern Leyte are two provinces in the Philippines with the most catastrophic landslide history. The worst of which occurred in Ormoc City, Leyte in November 1991 and in Panaon Island, Southern Leyte on 19 December 2003. These events, triggered by heavy and continuous rain, claimed the lives of more than 5,000 landslide and flashflood victims in Ormoc City and 200 people in Southern Leyte.