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Old 05-08-2008, 01:22 AM   #1
xoxoxoBruce
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May 8, 2008: Volcano

Flickr images by Alex Gutierrez Espinoza.
Erupción del Volcán Chaitén.
Chaitén, Provincia de Palena, X Región de Los Lagos, Chile.


This ought to do wonders for global warming.
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Old 05-08-2008, 01:35 AM   #2
Eclipse
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That looks awesome and scary at the same time. Almost like the perfect recipe for milkshake.
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Old 05-08-2008, 02:25 AM   #3
newtimer
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Reminds me of V-Ger.
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Old 05-08-2008, 05:00 AM   #4
SPUCK
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Yeah V-Ger..

That is so alien looking.. WOW maybe?
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Old 05-08-2008, 05:07 AM   #5
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Looks like the giant fireworks snake from South Park.
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Old 05-08-2008, 07:40 AM   #6
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Smells like photoshop...
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Old 05-08-2008, 07:45 AM   #7
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Awesome image. I love how the lightning is finding its quickest path to the ground through the hot ash.

The blue lightning bolt in the first image looks fake, but I think it's lens flare and is just a mirror image (flipped upside down) of the bright lightning flash to the left.
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Old 05-08-2008, 07:45 AM   #8
Nikolai
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Love the lightning storms you get with volcano eruptions, makes it seem like doomsday with the clouds going black with the thunder and lightning
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Old 05-08-2008, 08:12 AM   #9
el fantastico
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it looks like there are 2 sets of eyes on the right side of the 1st photo. that is extra creepy.
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Old 05-08-2008, 09:15 AM   #10
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Unfortunately, the original is not large enough to turn into decent wallpaper.
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Old 05-08-2008, 01:35 PM   #11
Imigo Jones
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Quote:
Originally Posted by glatt View Post
Awesome image. I love how the lightning is finding its quickest path to the ground through the hot ash.
Especially in the second Volcán Chaitén pic, glatt, the lightning looks 3-D and finely branching throughout the ash cloud. I've found some nice pics of other volcanoes, but not with such a striking (whoops ) combination of lightning and dense ash.


Sakurajima, Japan





"Explosive eruption with lightning at Sakurajima Volcano . . . 18 May 1991"
Larger version



Mt. [St.] Augustine, Alaska

"Scientists: Lightning good indicator of volcano eruptions

". . . For the first time, scientists were able to collect data fully describing lightning activity during the 2006 Mount Augustine eruption, according to an article published last week in the journal Science. . . .

"During the initial Augustine eruptions in 2006, airline pilots reported lightning in the ash plume. This prompted McNutt to install new lightning detection instruments . . . capable of detecting the exact location and source of each lightning bolt. . . .

"Volcanic ash clouds are similar to thunder clouds, explaining why lightning is often seen during large eruptions. In volcanic ash clouds, an electric charge is generated from the friction of ash particles expelled into the air, particle collisions and rock fractures.

"Ash clouds from large eruptions are composed of particles of various sizes. Larger particles tend to be negatively charged and fall to the base of the cloud while smaller positively charged particles remain near the top, re-creating the same electric distribution seen in thunderclouds. As charges and particles build up[,] energy is released in the form of lightning."
Full article from University of Alaska Fairbanks newletter.



"Lightning strike over [unidentified] volcano"


"Electrical Activity During the 2006 Mount St. Augustine Volcanic Eruptions

"By using a combination of radio frequency time-of-arrival and interferometer measurements, we observed a sequence of lightning and electrical activity during one of Mount St. Augustine's eruptions. The observations indicate that the electrical activity had two modes or phases. First, there was an explosive phase in which the ejecta from the explosion appeared to be highly charged upon exiting the volcano, resulting in numerous apparently disorganized discharges and some simple lightning. The net charge exiting the volcano appears to have been positive. The second phase, which followed the most energetic explosion, produced conventional-type discharges that occurred within plume. Although the plume cloud was undoubtedly charged as a result of the explosion itself, the fact that the lightning onset was delayed and continued after and well downwind of the eruption indicates that in situ charging of some kind was occurring, presumably similar in some respects to that which occurs in normal thunderstorms."
Abstract from Science mag; page has links to full text (registration required to view).


Galunggung, Java, Indonesia





"Lightning above the summit and glowing pyroclasts on the flank of Galunggung . . . September 16, 1982."



"Confocal images of rat optic nerve glia, intracellular dye-filled with lysinated rhodamine dextra (a, b), or immunofluorescence labelled with the NG2 anibody (c, d)." :p
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Old 05-08-2008, 04:20 PM   #12
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Here are a couple shots of Mt St Helens I took during a trip to Ghost Lake. Apologies for the poor quality of the rookie stitching job on the panoramic shot. I like how you can see the orange glow from the lava at the top of the rebuilding dome, and how the steam is escaping from the top.
Attached Images
  
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Old 05-08-2008, 11:28 PM   #13
Kasszia
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Wow. That is just amazing! Photoshopped or not, an amazingly beautiful picture.
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Old 05-08-2008, 11:35 PM   #14
YellowBolt
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Quote:
Originally Posted by Imigo Jones View Post


"Explosive eruption with lightning at Sakurajima Volcano . . . 18 May 1991"
Larger version
This was the cover to my physics text in twelvth grade.
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Old 05-09-2008, 12:20 PM   #15
LabRat
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So, I Jones, what's your story? The neuronal pics made me do a double take. I have diolistically labelled neurons as well as used NG2 antibodies. How you know about that stuff, Willis?


P.S. Welcome
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