West Mata
... that the two primary vents of West Mata , a submarine volcano, are called "Hades" and "Prometheus"?
... that the two primary vents of <b id="mwAiI"><a href="./West_Mata" id="mwAiM" rel="mw:WikiLink" title="West Mata">West Mata</a></b> <i id="mwAiQ">(pictured)</i>, a <a href="./Submarine_volcano" id="mwAiU" rel="mw:WikiLink" title="Submarine volcano">submarine volcano</a>, are called "Hades" and "Prometheus"?