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An erupting Chilean volcano sent a towering plume of ash across South America on Monday, forcing thousands from their homes, grounding airline flights in southern Argentina and coating ski resorts with a gritty layer of dust instead of snow.Booming explosions echoed across the Andes as toxic gases belched up from a three-mile-long (five-kilometer long) fissure in the Puyehue-Cordon Caulle volcanic complex – a ridge between two craters just west of the Chilean-Argentine border that began erupting Saturday.
Winds blew a six-mile-high (10-kilometer-high) cloud of ash all the way to the Atlantic Ocean and even into southern Buenos Aires province, hundreds of miles to the northeast. Authorities in Chile went house to house, trying to persuade stragglers near the volcano to leave because of an increasing danger of toxic gas and flash floods.
hisz.rsoe.hu...
The eruption at Puyehue-Cordón Caulle appears to be continuing, but with declining force.
Some of the latest reports suggest the activity at the volcano has waned significantly, but with any eruption this size, this could change rapidly. Right now, very little of the plume appears in the satellite images, suggesting the volcano is calmer.
Finally, it’s worth mentioning that the precise location of this eruption within the Puyehue-Cordón Caulle volcanic complex remains unclear from the reports that have been accessible so far. The past history of this chain of volcanoes suggests that almost any part of it is capable of doing almost anything. For the moment Puyehue, which was the initial identification, seems to be the most likely candidate, but we’ll hedge our bets and go on calling it Puyehue-Cordón Caulle.
Originally posted by burntheships
reply to post by antar
Thats interesting, good question; I dont know the projections on the ash.
I am guessing we could look to NASA for that...I bet they have a zero in on it.
At least we wont be facing this scenario. ETA: I apologize, as you know if I posted pics of
Joplin right now, its comparable, perhaps even worse. Be safe freind!
[atsimg]http://files.abovetopsecret.com/images/member/c95d08459738.jpg[/atsimg]
A road in covered in pumice rock from the volcano.
www.dailymail.co.uk... newsxmledit on 6-6-2011 by burntheships because: (no reason given)
Originally posted by clearmind
needless to say the eruption is very impresive...and if the 'fissure' was 3 miles ect..dont you think that there would be some type of pics of the ground opening and eruption from the 'fissure'...3 miles is sorta of a big crack to open in a day..
like i said, an impressive display but MSM is 'sensationalizing' it with poor reporting and speculation.....sorta sound like a bunch of 'conspiracy nuts'
Originally posted by Druid42
Originally posted by solargeddon
Sorry if i've missed it, but can someone explain to me what the implications of the rift as detailed in the op, would represent ?
Oh and yes I understand the info has now been understood to be a misconstrunement, regardless, it would be nice to know what the interest surrounding such an event is all about, and would it lead to anything ?
Oh and if anyone can correct my spelling mistakes that would be a bonus
S+F op, great threadedit on 6-6-2011 by solargeddon because: forgot to praise
Here's the fixed version, since you asked for it:
I'm sorry if I've missed it, but can someone explain to me what the implications are of the rift as detailed in the OP, and what it represents?
Yes, I understand the information has now been understood to be misconstrued a bit, regardless, it would be nice to know what the interest is in such an event, what it is all about, and would it lead to anything?
Oh and if anyone can correct my spelling mistakes that would be a bonus
I just did, not only spelling, but also grammar. I'm a Grammar Nazi. Hehehe.
However, I'm curious too. WTF does a rift mean on the (unpronounceable spanish names) caldera? Why is this being reported if it DOESN'T mean something bad? Can ANYONE explain that? Does it set off a chain reaction or something? New Ice Age? Interesting topic with no repercussions? Why just facts, and no analysis? C'mon folks, give us laymen a chance.
The experts, (err, silver and gold contributors, hehehe) should be laying things out on a scale, say, 1 to 10, and give a brief analysis, and say whether this is worth following or not. That would be SUPER cool. Anyone of you up to it?
Personally, being a layman, I'm ranking this as a 3, saying the atmosphere absorbs any extraneous ash, and life goes on as usual. Definitely not an ELE. A minor burp. Mild concern. Eh?
Originally posted by burntheships
Originally posted by solargeddon
Sorry if i've missed it, but can someone explain to me what the implications of the rift as detailed in the op, would represent ?
Oh and yes I understand the info has now been understood to be a misconstrunement, regardless, it would be nice to know what the interest surrounding such an event is all about, and would it lead to anything ?
I am hoping that one of the resident ATS experts can explain further, as we gather information.
It does seem evidenct that there is indeed a fissure volcano eruption currently underway.
One report says 6 miles by 3, and onother reports the fissure at 3 miles by?
I think its safe to say that a this is not your typical "central volcano" eruption,
its looking more like a "fissure volcano" or maybe both.
Fissure eruptions are least common. For example, The Laki fissure eruption of 1783-1784;
managed to kill a quarter of the Icelandic population and led to the deaths of thousands
throughout Europe, due to poisoning and extreme cold.
edit on 6-6-2011 by burntheships because: (no reason given)
In contrast to the point-source, centralized eruptions that typify most volcanoes, fissure eruptions are generated at several contemporaneous sites along a linear fracture, or along an en echelon (parallel, but offset) fracture system...
.. Regional fracture systems can appear where the Earth's crust is broken and pulled apart by tensional forces. If these regions are underlain by reservoirs of basaltic magma, this low-viscosity melt will utilize the fractures and ascend through the crust to generate a fissure eruption. For example, Mid-oceanic ridges (divergent plate margins) typically extrude basaltic magma from fissure eruptions because these are areas where global-scale extension is coincident with the rise of partially molten asthenosphere. Because Iceland is the subaerial extension of the Mid-Atlantic Ridge, it is one of the world's most active sites for basaltic fissure eruptions. For this reason, fissure eruptions are also known as Icelandic eruptions.
The largest lava flow in recorded history was generated by a fissure eruption in south central Iceland in 1783. Known as the Laki flow, it erupted from a 25-kilometer-long fissure to produce 12 cubic kilometers of lava, filling two deep river valleys and covering an area greater than 500 square kilometers
Fissure eruptions are also common on the flanks of many large volcanoes and, therefore, they are not restricted to areas undergoing regional extension. Magma-filled fissures radiating from the summit regions of active volcanoes like Mt. Etna, Mauna Loa, and Kilauea propagate outward from the central vent system. Extrusion from these propagating fissures can produce elongate volcano morphologies, such as those that are typical of many Hawaiian shield volcanoes.
Most of these erupted in historic times. edu.html