Montagu Island
... that an eruption on Montagu Island that began in 2001 continued for several years and formed a lava delta?
... that an eruption on <b id="mwBHI"><a href="./Montagu_Island" id="mwBHM" rel="mw:WikiLink" title="Montagu Island">Montagu Island</a></b> that began in 2001 continued for several years and formed a <a href="./Lava_delta" id="mwBHQ" rel="mw:WikiLink" title="Lava delta">lava delta</a>?