large submarine volcano northeastern pacific_ocean located west british_columbia canada named volcano flat topped summit making rising sea level lies southern end long underwater volcanic mountain range called chain stretching north queen charlotte islands south lies large segment earth surface moves northwestern direction pacific_ocean northern eastern flanks surrounded neighboring submarine northern flank eastern flank geology structure volcanic mountains rise unlimited supply water surrounding cause behave differently land lava emitted common gray black dark brown volcanic rock low content lava lava makes contact cold sea water cool rapidly form lava hot lava breaks form lava typically fine rapid cooling crust radial height rising sea surface submarine volcano canadian waters submarine northeast pacific_ocean found hundreds thousands metres sea level considered deep sea contrast land higher southwestern british_columbia lower highest mountain canadian portion rocky_mountains long wide flat topped summit weakly consolidated consists lowest terrace sea level highest sea level contains steep sided secondary rise sea level physical perspective effective size submarine volcano possibly lot greater mass suggest effects submarine pacific_northwest including coast washington noticed composition abundance tiny floating organisms called away summit similar size likely similar effect adjacent waters history formed submarine glacial period began years ago ended years ago submarine pacific_ocean million years old relatively young base formed million years ago summit shows evidence volcanic activity recently years ago recent geological terms suggesting volcano ongoing volcanic activity close submerged summit coastlines cut wave actions beach deposits submarine volcano stood sea level single volcanic island small cluster active sea levels glacial period formed lower today origins origin produced controversy geological studies indicate chain formed center called mantle comprising chain formed mantle carried away mantle source moves northwesterly direction trench southern coastline alaska volcanic rocks chain unusual acid chemical substance like typical ocean island low percentage found mid ocean ridge bearing volcanic rocks comprising contain lead formed originated varying degrees partial melting depleted source earth mantle distinctly high lead estimates geological studies indicate abundance depleted source component ranges percent aspects origin chain remain uncertain volcanic rocks found wilson south fresh recent age expected located close mantle south queen charlotte islands origin certain lies formed million years ago late period summit shows evidence recent volcanic activity formed mantle site presently occupied wilson displaced source rate year history consistent flat topped eroded summit source recent volcanic activity remains uncertain north fall little chain expected trend origin chain formed explorer ridge plate boundary west displaced spreading chain appear follow expected age progression mantle trail older hypothesis suggest result chain proposed mix ridge mantle biology supports rich area vigorous ecosystem studies recorded high crab sea stars sea squid octopus species marine found area including sea lions sperm varieties rare habitat northeast pacific_ocean rich submarine earth rich marine life intense food supply microscopic animals plants including marine protected area biological designated canada seventh april oceans act described oceanic oasis announcement federal fisheries minister president queen charlotte islands called announcement minister said oceanic oasis deep sea rare rich marine area government proud action ensure protected working partnership groups like ensuring unique treasure preserved future generations measures long wide totaling area km2 northernmost marine protected areas southernmost active vent zone juan ridge southwest marine protected area includes called diving studies shallow depth makes underwater mountain british columbia coast easily reached diving equipment march submarine volcano divers new study device package placement summit photographs taken establish environment base biological tests gathered detect possible harmful organisms including plants animals bacteria specimens identified creating list varieties sea invertebrates august divers scientific studies recognized existence thick groups floating flat topped summit variety life number photographs taken gathered documents species record created types oceanic life november release comprised piece writing titled realm illustrating diving explorers named explored depths diving equipment slopes images photographed diving explorers featured rugged peaks covered thick sea invertebrates thick groups young detected steep flanks marine lab looked video film earned verify flora fauna sea surrounding video film austin recognized noticeable invertebrates noted species regularly occurring high tide low tide marks shallow environments found deeper normally expected bigger normal team divers led photographer visited august conducted biological photographic survey summit depths total taxa algae taxa conspicuous invertebrates taxa fishes documented approximately underwater photographs taken approximately minutes digital video recorded particular note dense schools summit numerous curious indigenous people nation indigenous people played key role establish marine protected area submarine volcano called language means supernatural looking outward long recognized nation special place president said represents shift recognizing need respect care earth significant turning point reversing trends leading life sea marine hazard given shallow depth potential marine hazard strong storms strike british columbia coast winter waves recorded heights expose summit cause devastation vessel area reason recognized hazard navigation avoided shipping vessels
Bowie Seamount