Izu Islands, Japan
34.871 N, 139.605 E
summit elevation 850 m
Mikura-jima volcano is a small steep-sided island located between Miyake-jima and Hachijo-jima volcanoes in the Izu Islands of Japan.
Mikura-jima contains lava domes on the SE side and some small sea stacks offshore.
4100 BC ± 100, 5050 BC?