May 2024 Volcano Eruptions In Japan. 23 may 2024 (smithsonian / usgs weekly volcanic activity report) the huge aso caldera seen from space: 25 by 18 km in size, it was created by at least 4 huge eruptions between 270 to 90 thousand years ago (image:
Kaitoku volcano, also known as kaitoku kaizan, is a massive active seamount in the japanese volcano islands chain. It erupted in 1984 and produced a giant mushroom.