News Earth Deep-sea action By Sid Perkins June 6, 2006 at 5:40 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Scientists using remotely operated vehicles have reported the first close-up observations of a deep undersea volcano during its eruption. SULFUR SMOKE. Ash and droplets of molten sulfur rise in scientists’ first look at a deep-sea volcanic eruption in progress. NOAA The peak lies about 60 kilometers northwest of Rota, one of the Western Pacific’s Northern Mariana Islands.