Seoul , South Korea ( CNN ) -- Massive downpours in South Korea -- the heaviest rains in a century -- are blamed for 51 deaths , the country 's Central Disaster Relief Agency reported Friday . One person is also missing , the agency said . Conditions improved Friday morning when the Seoul Gimpo International Airport reported light rain and mist with overcast skies , according to the U.S. National Weather Service 's international weather conditions website . On Thursday , rain fell in some areas around Seoul at a rate of 50 millimeters an hour ( two inches an hour ) . The most recent numbers released by the Central Disaster Relief Agency indicated that much of the death toll comes from landslides triggered by the rain . In Chuncheon , 13 people were killed by landslides , while 16 were killed by the same phenomenon in Seoul . Another 18 died in Gyeonggi province . Five neighborhoods on the outskirts of Seoul had been under evacuation orders Thursday . But officials were able to restore electricity to many thousands of homes that had lost power . Earlier , there were 116,000 homes without power , said the agency . Thursday , that number stood at 800 . Earlier , the agency warned that hundreds of families had lost their homes . The weather caused major traffic disruptions across portions of the country as well . South Korea typically experiences a rainy season during the summer .
Rain falling at a rate of two inches an hour in some areas . Agency says 51 dead after downpours and landslides . Five neighborhoods outside Seoul are under evacuation orders . Officials have been able to restore power to thousands .