Fig. 4

The ancient references and other papers including the records on Mt. Baekdu eruptions. a Nihongiryaku (“日本紀略”), b a chronicle of Kofukuji Temple (“興福寺年代記”), c Goryeosa (“高麗史”), d Goryeosa Sega (“高麗史世家”), e Dongguk Munheon Bigo (“東國文獻備考”), f Joseon Wangjo Sillok (“朝鮮王朝實錄”), g Seungjeongwon Ilgi (“承政院日記”), h Haedongjamnok (“海東雜錄”), i Chángbáishānjiānggǎngzhìlüè (“長白山江崗志略”) (Yun 2013)