Raoul Island
Raoul Island ( "Sunday Island" ) , the largest and northernmost of the main Kermadec Islands , south south-west of 'Ata Island of Tonga and north north-east of New Zealand's North Island , has been the source of vigorous volcanic activity during the past several thousand years that was dominated by dacitic explosive eruptions . 
<triplet> Raoul Island <subj> Kermadec Islands <obj> part of <triplet> 'Ata <subj> Tonga <obj> part of