National Disaster Agency BNPB reported flash flooding in Bima Regency, West Nusa Tenggara Province from 05 January 2021. At least 2 people have died and around 90 homes were damaged.
The previous day, high intensity rain falling on unstable ground triggered landslides and flash flooding in soil conditions in the Sangihe Islands in North Sulawesi Province. BNPB reported the sub-districts of Tahuna, Kendahe, Maganitu, South Maganitu, Tabukan Selatan Tengah and Tabukan Selatan Tenggara were all affected. At least 1 person died, over 200 buildings damaged and 223 families displaced. Flood waters were up to 1.5 metres deep in some areas.

Floods and landslides in Sangihe Islands Regency, Indonesia, January 2021
According to AHA Centre, several other areas of Indonesia have seen flooding since the start of the year, including in Central Java, East Java, Riau Islands and South Kalimantan Provinces, affecting a total of around 4,500 people.