Numazawa Volcano - John Seach


Honshu, Japan

37.43 N, 139.58 E
summit elevation 1100 m
Shield volcano

The last eruption of the volcano about 5000 years ago ejected a large volume of ignimbrite creating a caldera.
A lake occupies the caldera (1.5 x 2 km).

Numazawa Volcano Eruptions

~2980 BC (large central vent eruption with caldera collapse)