Volcano Live
volcanolive.com
Mashu Volcano - John Seach
Hokkaido, Japan
43.57 N, 144.57 E
summit elevation 855 m
Caldera
Mashu volcano is a 6 km diameter caldera.
A summit crater 1.5 km in diameter is located at Kamuinupuri.
Lake Mashu is one of the world's clearest lakes.
Mashu Volcano Eruptions
970 AD approx, 180 AD, 2200 BC, 4880 BC, 5820 BC.