Underwater Volcanism

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  #31 (permalink)  
Old 01-26-2008
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Re: Underwater Volcanism

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Originally Posted by Turtle View Post
Nothin' like profit to suck the fun right out of a well intended project. No good deed goes unpunished. I acknowledge deleting my copy of the Smithsonian Institution, Global Volcanism Program file. The buck stops here. ........................
I think your taking it the wrong way.

It's common courtesy among the scientific community to acknowledge data sources. We are free to distribute the file, but we must reference the source. So no problem with #2.

It urges us to verify sources with credibility when making new determinations (only if we choose to use their data ). I think we can handle #1.

#3 is a bit trickier. What exactly constitutes "published work"? No matter, they would only "appreciate it", so it's not any form of obligation.

So, could you lend a hand with this snowball, it's nearing the edge.

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  #32 (permalink)  
Old 01-26-2008
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Re: Underwater Volcanism

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Originally Posted by Turtle View Post
Nothin' like profit to suck the fun right out of a well intended project. No good deed goes unpunished. I acknowledge deleting my copy of the Smithsonian Institution, Global Volcanism Program file. The buck stops here. ........................
Whoa, Turtle!

1) Please let us know of corrections or additions (with references or reprints if possible) that will help us improve the data file.

Thats a good thing. They dont want incorrect or incomplete data on their site.

Facts are not copyrighted. The list of volcanoes, is a list of facts.

Speaking as a former gov employee:

Another part of this is when people use the web information in the above context, and follow through and send a copy (I think a link would work for this situation), it allows them (smithsonian) to assemble information on how important continued funding is when they put in their budgets to the dept. heads, who hand it over to the people who meet with whoever gets the money out of congress. Its proof the information is serving x-number of taxpayers. And the small recognition for where you got the information lets the people viewing your information see the government provided some of this data.

I use sources on sites I read to find further information. Heres one link I found because a site had given its source:

publications

And it could be you guys will come up with something the Smithsonian wants to use in their own website to further their content.

It really is a win-win for everyone.
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  #33 (permalink)  
Old 01-28-2008
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Originally Posted by freeztar View Post
I think your taking it the wrong way. ...
Quote:
Originally Posted by Cedars
Whoa, Turtle! ...
As a writer I find the tone of the guidelines threatening. It isn't just what is said, it's who is saying it. I won't be playing with their ball.

Meantime, tens of thousands of underwater volcanos merrily chug away; out of sight, out of mind. :
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  #34 (permalink)  
Old 01-28-2008
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No one's list of underwater volcanism and hydrothermal venting is complete without the inclusion of the Gakkel Ridge complex.

NSF - OLPA - PR 01-93: HEALY RESEARCHERS MAKE A SERIES OF STRIKING DISCOVERIES ABOUT ARCTIC OCEAN
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Contrary to their expectations, scientists on a research cruise to the Arctic Ocean have found evidence that the Gakkel Ridge, the world's slowest spreading mid-ocean ridge, may be very volcanically active. They also believe that conditions in a field of undersea vents, known as "black smokers," could support previously unknown species of marine life.

The findings were among a range of discoveries made by researchers aboard the US Coast Guard Cutter Healy, an icebreaker equipped for science, and a companion German research vessel, the Polarstern, in late August, early in a nine-week cruise to the Gakkel Ridge, Earth's least volcanically active mid-ocean ridge.
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  #35 (permalink)  
Old 01-29-2008
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Pure speculation on my part here, but not without president.

~ 1 hour ago: >> Magnitude 5.0 - CARLSBERG RIDGE

Carlsberg Ridge Info.: >> Carlsberg Ridge - Wikipedia, the free encyclopedia

Quote:
Originally Posted by Wiki
...The Carlsberg Ridge is seismically active, with a major earthquake being recorded by the U.S. Geological Survey at 7.6 on the Richter scale on July 15, 2003 [1]. The latest recorded earthquake occurred September 15, 2007 [2]at 5.0 on the Richter scale. ...
Perhaps we have some active underwater volcanism here???

Just found this link, but must yield computer to owner. Will get back to it.
http://www.ias.ac.in/currsci/aug102003/334.pdf
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  #36 (permalink)  
Old 02-11-2008
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Found in 2003, this currently underwater volcano remains un-named still as far as I have found. Part of a rich complex of volcanism and hydrothermal activity along the Aleutian chain, this baby may surface in our lifetimes. :

Alaska Volcano Pops to Attention , Alaska Science Forum
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Originally Posted by Ned Rozell
...Though an underwater volcano now, the cone was at or near sea level when glaciers locked up much of the world’s water during the last ice age. The volcano has the potential to again grow into an island should it erupt with enough vigor; its summit is about 377 feet below the ocean’s surface.

“It’s close enough to the surface that it can quickly build up to sea level there,” Reynolds said. “There’s no sign that it’s ready to do this, but it’s possible.”

One of Alaska’s newest pieces of land, the volcanic Bogoslof Island in the Aleutians, rose above sea level during explosive eruptions beginning in 1796. Though Bogoslof volcano is much larger than the yet unnamed cone to the west, it posed the same dangers in the days when it lurked below the surface of the Bering Sea.

Besides the hazard of a volcano exploding underneath a ship, undersea volcanoes can release gases that lower the density of seawater to the point that boats can no longer float.

The nameless volcano’s rumbles are remote enough to go undetected today, but geologists at the Alaska Volcano Observatory plan to install a network of seismometers on nearby Semisopochnoi Island in 2005. Those instruments should be close enough to record any earthquakes that would forewarn of an impending eruption.

The vast sea floor surrounding the Aleutians is a world of unmapped canyons, faults, ridges of glacial moraine, and mountains. The nameless volcano probably has brethren in the depths surrounding the Aleutian Islands, Reynolds said.

“This certainly is not the only one, though it may be the largest,” she said. “Whether the next one we find is a well-constructed, long-lived volcano like this is another question.” ...
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Old 02-11-2008
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Re: Underwater Volcanism

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Alaska Volcano Pops to Attention , Alaska Science Forum

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Besides the hazard of a volcano exploding underneath a ship, undersea volcanoes can release gases that lower the density of seawater to the point that boats can no longer float.
This quote from your article made me wonder if there is an underwater volcano (or, potentially several) underneath the Bermuda Triangle.
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Old 02-11-2008
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Re: Underwater Volcanism

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This quote from your article made me wonder if there is an underwater volcano (or, potentially several) underneath the Bermuda Triangle.
I believe it was CharlieO on his Hydrogen Escape thread who suggested that there are massive methane expulsions from various locations beneath the the ocean that bubble at the surface and can cause boats to loose their boyancy and low flying aircraft to loose power due to the loss of oxygen.

He suggested that the Bermuda Triangle was one of these locations. I haven't researched this any further to confirm it's veracity, but it's an interesting theory. You would think that if that were the case, it should have been well established by now since it wouldn't be very difficult to take readings of such an event.
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Old 02-11-2008
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I believe it was CharlieO on his Hydrogen Escape thread who suggested that there are massive methane expulsions from various locations beneath the the ocean that bubble at the surface and can cause boats to loose their boyancy and low flying aircraft to loose power due to the loss of oxygen.

He suggested that the Bermuda Triangle was one of these locations. I haven't researched this any further to confirm it's veracity, but it's an interesting theory. You would think that if that were the case, it should have been well established by now since it wouldn't be very difficult to take readings of such an event.
Gas Hydrate at the USGS, Bermuda Triangle
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Old 02-12-2008
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Re: Underwater Volcanism

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The mystery of the Bermuda Triangle is a fairy tale. Sorry.

Bill Dillon - Geologist, USGS
Well there ya have it. It was fun while it lasted.
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