A mudslide swept across city, southwest of Tokyo, according to Japanese authorities.
Mudslide in Atami, Shizuoka prefecture,swept across after the region was hit by torrential rain.
Disaster management officials in Shizuoka prefecture in central Japan say the mudslide occurred Saturday morning in Atami, a town known for hot springs.
At least 20 people are unaccounted for and rescue workers are searching for them, officials said.
According to the Tokyo Electric Power Company, 2,830 households in the city were out of power.