Ambitle is a stratovolcano, reaching 450 metres (1,480 feet) above sea level.

It last erupted in about 350 BCE based on radiocarbon dating.

Its caldera, 3 kilometres (2 miles) wide, contains thermal areas on its western side.

Venting of hydrothermal water also occurs in coral reefs to the west of this island.

This New Ireland Province geography article is a stub.