[Geology2] Re: Volcano Activity - Iceland

Very Much so Mark thanks! I have always had a fascination with geology and rocks, our earth so on.

Kimberly

--- In geology2@yahoogroups.com, Mark Smith <smithsurf@...> wrote:
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> Hi Kimberley, I hope you enjoy being a part of this group.
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> Regards,
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> Mark.
>  
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> --- On Sat, 16/7/11, iowamom_1967 <no_reply@yahoogroups.com> wrote:
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> From: iowamom_1967 <no_reply@yahoogroups.com>
> Subject: [Geology2] Re: Volcano Activity - Iceland
> To: geology2@yahoogroups.com
> Date: Saturday, 16 July, 2011, 19:59
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> Thank you Lin for the kind welcome!
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> That is what I thought it would get bigger but wanted to ask both questions due to was not 100% sure .
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> Thanks for the article in wikki ..
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> Kimberly
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> --- In geology2@yahoogroups.com, Lin Kerns <linkerns@> wrote:
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> >
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> > Greetings Kimberly and welcome to our Geo Group,
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> >
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> > Iceland sits on an ocean spreading zone called the Mid Atlantic Ridge.
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> > Here's a link so that you can read more about it:
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> > http://en.wikipedia.org/wiki/Mid-Atlantic_Ridge
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> > As you can see, Iceland is near the northern end of the ridge and with the
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> > outflow of magma creating new land, Iceland should become larger thanks to
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> > this process.
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> > Lin
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> > On Sat, Jul 16, 2011 at 1:25 PM, iowamom_1967 <no_reply@yahoogroups.com>wrote:
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> > > **
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> > > With all this going on over in Iceland does that mean the country could be
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> > > no more someday? or possibly growing bigger not sure.. I remember the last
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> > > volcanic eruption over there when people could not get on any planes for
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> > > weeks..
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> > >
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> > > Kimberly
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> > >
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> > > --- In geology2@yahoogroups.com, Victor Healey <4.vic.healey@> wrote:
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> > > >
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> > > > BOTTOM LINE: More to come - clear increase in activity in Iceland
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> > > >
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> > > > Volcano Activity - Europe - Iceland
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> > > >
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> > > > RSOE EDIS - Emergency and Disaster Information 7/15/11 8:11 AM
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> > > > Description:
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> > > >
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> > > > Geophysicist Helgi Björnsson said a magma intrusion caused the glacial
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> > > flood from Köldukvíslarjökull, a part of Vatnajökull in southeast Iceland,
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> > > on Tuesday night. It is possible that a minor eruption occurred underneath
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> > > the icecap. The Köldukvíslarjökull flood originated in a previously unknown
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> > > high-temperature geothermal area in the western part of Vatnajökull.
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> > > Björnsson explained that the magma intrusion occurred near the bottom of the
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> > > glacier, possibly extending into the ice, and thus furthering glacial melt.
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> > > >
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> > > > He reasoned that it is possible that a minor sub-glacial volcanic
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> > > eruption occurred, even though it didn't penetrate the icecap, which is 300
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> > > meters thick in this area.
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> > > >
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> > > > Björnsson added it is fairly likely that further seismic activity will
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> > > occur in the area in the near futureâ€"the glacial flood was preceded by
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> > > tremorsâ€"and therefore it should be monitored closely. Earth scientists say
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> > > both recent glacial floods, from Mýrdalsjökull and Vatnajökull, can be
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> > > explained by volcanic activity and therefore a close eye must be kept on the
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> > > volcanoes that lie underneath these glaciers, even though there are no
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> > > indications of imminent eruptions.
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> > > >
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> > > > Not even two months have passed since the volcanic eruption in
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> > > Vatnajökull's Grímsvötn and only one year ago the infamous Eyjafjallajökull
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> > > erupted.
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> > > >
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> > > > Geologist Oddur Sigurdsson at the Icelandic Meteorological Office noted
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> > > there has clearly been an increase in volcanic eruptions in Iceland since
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> > > the mid-20th century.
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> > > >
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> > >
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> > >
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> >
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> > --
>
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>
> > http://throughgoldeneyes.blogspot.com/
>
> >
>

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