Udokan Plateau
... that the Udokan Plateau experienced volcanic activity from the Miocene until about 2200 years ago?
... that the <b id="mwC0k"><a href="./Udokan_Plateau" id="mwC0o" rel="mw:WikiLink" title="Udokan Plateau">Udokan Plateau</a></b> experienced volcanic activity from the <a href="./Miocene" id="mwC0s" rel="mw:WikiLink" title="Miocene">Miocene</a> until about 2200 years ago?