Jakarta, March 25 -- The last ice age in Sundaland, encompassing Indonesia, Malaysia, Singapore, Brunei, the Philippines, and Thailand, had unique geology and paleogeography, a geology and disaster researcher at the National Research and Innovation Agency (BRIN), Danny Hilman Natawidjaja, said.

Sundaland is a term used by geologists and archaeologists to refer to the continental core of Southeast Asia, specifically the landmass that existed during the last ice age when sea levels were much lower.

"Sundaland is the only submerged landmass in the tropical region," he said during a scientific discovery workshop on the Sunda Shelf, which was followed from Jakarta on Monday.

According to Natawidjaja, Sundaland is tectonically unique because...