▁from ▁Tan eg ash ima ▁can ▁clearly ▁be ▁seen ▁from ▁Y ak ush ima . ▁ ▁The ▁bed rock ▁of ▁the ▁island ▁is ▁gran ite , ▁and ▁as ▁such ▁it ▁hosts ▁no ▁active ▁vol cano es . ▁ ▁It ▁has ▁an ▁area ▁of ▁approximately ▁. ▁The ▁island ▁is ▁roughly ▁circular ▁in ▁shape , ▁with ▁a ▁circum ference ▁of ▁ ▁and ▁a ▁diameter ▁of ▁. ▁The ▁highest ▁elev ations ▁on ▁the ▁island ▁are ▁, ▁with ▁a ▁height ▁of ▁, ▁and ▁, ▁with ▁a ▁height ▁of ▁ ▁above ▁sea ▁level ; ▁however , ▁Y ak ush ima ▁has ▁another ▁ 3 0 ▁pe aks ▁of ▁over ▁ ▁in ▁height . ▁There ▁are ▁numerous ▁hot ▁spr ings ▁on ▁the ▁island . ▁ ▁History ▁Y ak ush ima ▁has ▁been ▁settled ▁since ▁at ▁least ▁the ▁J ō mon ▁period . ▁It ▁was ▁first ▁mentioned ▁in ▁written ▁documents ▁of ▁the ▁Chinese ▁S ui ▁D ynast y ▁of ▁the ▁ 6 th ▁century , ▁and ▁in ▁the ▁Japanese ▁Sh oku ▁N ih ong i ▁in ▁an ▁entry ▁dated ▁ 7 0 2 ▁CE . ▁It ▁formed ▁part ▁of ▁ancient ▁T ane ▁Province . ▁It ▁was ▁often ▁mentioned ▁in ▁the ▁di aries ▁of ▁travel ers ▁between ▁Tang ▁D ynast y ▁China ▁and ▁N ara ▁period ▁Japan . ▁ ▁During ▁the ▁E do ▁period , ▁Y ak ush ima ▁was ▁ruled ▁by ▁the ▁Sh im azu ▁cl an ▁of ▁the ▁S ats uma ▁Domain ▁and ▁was ▁considered ▁part ▁of ▁ Ō sum i ▁Province . ▁Following ▁the ▁Me iji ▁rest oration