Honshu, Japan
37.43 N, 139.58 E
summit elevation 1100 m
Shield volcano
The last eruption of Numazawa volcano about 5000 years ago ejected a large volume of ignimbrite creating a caldera.
A lake occupies the caldera (1.5 x 2 km).
Further Reading
Ishizaki, Y., Masubuchi, Y. and Aono, Y., 2009. Two types of dacitic pumices from the caldera-forming eruption of Numazawa Volcano, NE Japan. Journal of Mineralogical and Petrological Sciences, 104(6), pp.356-373.
Ishizaki, Y., Masubuchi, Y. and Aono, Y., 2009. Two types of dacitic pumices from the caldera-forming eruption of Numazawa Volcano, NE Japan. Journal of Mineralogical and Petrological Sciences, 104(6), pp.356-373.
~2980 BC (large central vent eruption with caldera collapse)