According to the NHK channel, citing authorities in Kumamoto Prefecture, doctors have not yet confirmed the death of 17 people who have no signs of life.
Another 13 people are reported missing.
As a result of floods and landslides caused by heavy rains, several houses were destroyed and flooded, including a nursing home in which 14 people were killed.
July 4 in the Japanese prefectures of Kagoshima and Kumamoto announced an emergency warning of heavy rainfall and recommended that residents evacuate.
Subsequently, it was reported that after the landslide and flood 13 people were missing.
Japanese Prime Minister Shinzo Abe has sent 10 thousand troops to flood and landslide sites.