div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Active Volcano - volcano that Is erupting or has erupted · Active Volcano - volcano that Is erupting or has erupted recently Caldera - large cauldron shaped depression caused src=https:reader030fdocumentsusreader030viewer20220401165eaa5484ca83f15a83239fd5html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv