Only if it's still there... little atolls like this pop up and wash away pretty frequently... not so sure I would want to claim an active piece of the Ring, even if I could, but knock yerselves out ; -)
Location: Port Louis, Haida Gwaii (The edge of the world)
Boat: Corbin39 CC Cutter Rig
Posts: 443
Re: New Island is Born
Those 'mountains' seem to be kind of large to have just happened in one eruption. Not that I know anything but generally speaking, geological formations occur over 10's of thousands of years. Usually, only geological deformations would occur so rapidly, ie Mt St Helens.
ps, I just reread my post and don't mean this to say I don't believe it. Just that it is surprising.
This is an eruption that happened several years ago off of Tonga, IIRC. The volcano is no longer active and the island has eroded/subsided below the surface. Haven't heard whether it's so far below the surface as to not be a hazard to navigation.
There is a bit of this undersea volcanic activity happening anywhere that is volcanically active. Hawaii, for one, will be adding a new ilsland SW of the Big Island some time in the future. Currently it's a thousand or so feet below the surface but intermittantly active and growing closer to the surface with each eruption.
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Peter O.
'Ae'a, Pearson 35
'Ms American Pie', Sabre 28 Mark II
Location: Port Louis, Haida Gwaii (The edge of the world)
Boat: Corbin39 CC Cutter Rig
Posts: 443
Re: New Island is Born
Quote:
Originally Posted by roverhi
Hawaii, for one, will be adding a new ilsland SW of the Big Island some time in the future. Currently it's a thousand or so feet below the surface but intermittantly active and growing closer to the surface with each eruption.
This is the sort of thing that I think is more normal. An island caused by volcanic eruptions takes time to "grow" to the surface and beyond. That time is dependant on the size and frequency of the eruptions.
This is an eruption that happened several years ago off of Tonga, IIRC. The volcano is no longer active and the island has eroded/subsided below the surface. Haven't heard whether it's so far below the surface as to not be a hazard to navigation.
There is a bit of this undersea volcanic activity happening anywhere that is volcanically active. Hawaii, for one, will be adding a new ilsland SW of the Big Island some time in the future. Currently it's a thousand or so feet below the surface but intermittantly active and growing closer to the surface with each eruption.
usgs estimates loiki will rise above the ocean in about 10,000 years. usually most volanoes will subside as they bend the earth's crust with their weight. so here today, gone tomorrow until over geologic time enough gunk flows to the surface to make a permanent island.
problem is, if your sailing over an active subsurface volcano, the water will get super oxygenated and have almost no bouyancy. down you go into the deep dark underwater world. same effect by sailing behind an aircraft carrier going at flank speed. not a good idea. some supertankers have also the same effect.
problem is, if your sailing over an active subsurface volcano, the water will get super oxygenated and have almost no bouyancy. down you go into the deep dark underwater world. same effect by sailing behind an aircraft carrier going at flank speed. not a good idea. some supertankers have also the same effect.
Ooooh K.....not that I was intending to go near any of these things anyway, but thanks for the tip! I love CF, so instructive. I mean that, not being sarcastic. No intentions of joining the Silent Service.....
usgs estimates loiki will rise above the ocean in about 10,000 years. usually most volanoes will subside as they bend the earth's crust with their weight. so here today, gone tomorrow until over geologic time enough gunk flows to the surface to make a permanent island. .