南東より見た火砕丘の断面（赤ダキ断崖）。下部はマグマ水蒸気爆発によるベースサージ堆積物、上部（赤色）は火山弾を含むスコリア層。1986年撮影。

Sea cliff of "Akadaki-dangai" (viewed from the SE) showing cross-section of Sone pyroclastic cone, comprising lower phreatomagmatic base surge deposits overlain by upper pyroclastic scoria lapilli including volcanic bombs.