The BNPB head said that the data on the number of victims in other areas of the country affected by the disaster had not been gathered yet, according to the broadcaster.
READ MORE: Strong 7.4 Quake Shakes Indonesia's Sulawesi Island — Seismological Center
Earlier reports suggested that 384 people were killed.
On Friday, a powerful 7.4-magnitude earthquake hit the Indonesian island of Sulawesi. The tremor was followed by two 5.8-magnitude quakes.
Additionally, a 2-meter-high (6.5-feet-high) tsunami struck the city of Palu and the Donggala area in Central Sulawesi after the tremors.