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This article, as written, is pure plagiarism. It is a verbatim copy and paste from the linked USGS article.

Plagiarism involves using someone's ideas without giving them credit. The source here is credited as such, so it isn't plagiarism. -- Avenue 12:16, 17 March 2007 (UTC)[reply]
It's not kosher to reproduce verbatim content from another website to create a Wikipedia article, whether it's public domain or not, whether it's credited or not. Wikipedia is not a repository for the content of other websites. --76.223.221.122 09:01, 15 September 2007 (UTC)[reply]
Using words verbatim without quoting is plagiarism. You are using your own narrower definition than is used in academic circles. Jason Quinn (talk) 16:30, 5 November 2010 (UTC)[reply]
No, verbatim copying with suitable attribution (e.g. the {{USGS}} template used here) is allowed. See WP:Plagiarism. --Avenue (talk) 13:42, 20 November 2011 (UTC)[reply]

Which volcanos?

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Which volcanos have lava lakes? I have seen multiple sites saying there are five volcanos, but the five volcanos listed differ. This page has Erta Ale, Mount Erebus, Kīlauea, Nyiragongo, Marum (Ambrym), but then there is a link lower down to the page for Villarrica, which says that that there are five volcanos and Villarrica is one of them. I also have a reference that lists a similiar five to this page but with Marum replaced with Masaya. I suspect some of these volcanos (maybe Erta Ale, Erebus, and Kīlauea) have relatively permanent lava lakes while the others come and go. Perhaps it should be broken into two seperate lists. Wingedsubmariner (talk) 01:24, 20 November 2011 (UTC)[reply]

I found a website that lists Erta Ale, Mount Erebus, Kilauea, Nyiragongo, and Villarrica as being the five volcanoes that have active lava lakes. http://www.environmentalgraffiti.com/featured/5-most-increbile-lava-lakes/9188?image=21 Maloper (talk) 03:26, 23 May 2012 (UTC)[reply]

Good thoughts. That's the first I've heard of Masaya. Our article speaks of it having "an occasionally lava-filled pit crater", which is confirmed here. --Avenue (talk) 13:42, 20 November 2011 (UTC)[reply]
Ambryn and Villarica also both have intermittent lava lakes (specifically, months or years with and without lava lakes during the last decade). In contrast, Erte Ale and Erebus have had persistent lava lakes for decades. I'm less clear about Nyiragongo and Kileauea, but they seem to have reasonably persistent lava lakes too. I'll split the list of volcanoes into ones with persistent versus recent intermittent lava lakes accordingly. --Avenue (talk) 14:54, 21 November 2011 (UTC)[reply]

I've expanded the list, mainly based on the eruptive activity reports from the Global Volcanism Program website, and organized it into five categories:

  • current/persistent
  • recent/intermittent
  • unconfirmed
  • suggested by remote-sensing data
  • past

to Avenue: Some authors[1] make a disctintion between persistent lava lakes and lava pools/ponds, but I'm not sure about the status of the lava lakes we have listed as recent/intermittent in our table. With so few examples of this amazing phenomenon, I don't know if there is a clear commonly accepted/used classification or something like this...

As regards the Masaya volcano, I had the chance to go there during a "lava lake activity period" and, alhough the lava lake itself wasn't directly visible from the observation spot on the edge of the crater, you could clearly see the glow coming from the lava lake (at dusk). A great experience ! --Wikiwanito (talk) 13:24, 6 May 2012 (UTC)[reply]

Telica Volcano in Nicaragua has right now a lava lake inside it, confirmed: look this pictures here: http://www.go2leon.com/tour-volcan-telica-de-noche --AlexYllescas (talk) 21:01, 8 jan 2016 (UTC)

Before reading this discussion, I added Villarrica to the top list, because several sources mention it as one of only five lava lakes in the world. I now see that its status is in question. Someone who knows more than I do can change it back, if appropriate. HowardMorland (talk) 20:13, 25 May 2012 (UTC)[reply]
I don't think Villarrica fits (at least for the moment) into the "persistent" category, as lava lake activity has only been observed (intermittently) since 1996[2]. And I'm not sure I'd consider www.environmentalgraffiti.com as a reliable source in the matter. I suggest to remove it from this list (it will still be mentionned in the table below, along with other volcanoes featuring recent lava lake activity, such as Ambrym, in Vanuatu). Wikiwanito (talk) 21:43, 25 May 2012 (UTC)[reply]

References

  1. ^ Tazieff, H. (1994). "Permanent lava lakes: Observed facts and induced mechanisms". Journal of Volcanology and Geothermal Research. 63: 3–2. doi:10.1016/0377-0273(94)90015-9.
  2. ^ http://www.volcano.si.edu/world/volcano.cfm?vnum=1507-12=&volpage=erupt

Saunders Island ?

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It seems satellite remote-sensing data indicate the presence of a lava lake on Saunders Island:

http://www.volcano.si.edu/world/volcano.cfm?vnum=1900-09= — Preceding unsigned comment added by Wikiwanito (talk • contribs) 16:25, 29 April 2012 (UTC)[reply]

File:Lava Lake Nyiragongo 2.jpg to appear as POTD soon

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Hello! This is a note to let the editors of this article know that File:Lava Lake Nyiragongo 2.jpg will be appearing as picture of the day on August 19, 2013. You can view and edit the POTD blurb at Template:POTD/2013-08-19. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page. Thanks! — Crisco 1492 (talk) 00:20, 1 August 2013 (UTC)[reply]

Lava lake
A lava lake at Mount Nyiragongo, a volcano found in Virunga National Park in the Democratic Republic of the Congo. Lava lakes, which can form in three different ways, are large volumes of molten lava, usually basaltic, contained in a volcanic vent, crater, or broad depression. Persistent lava lakes such as the one at Nyiragongo, which is the largest to appear in recent times, are rare.Photograph: Cai Tjeenk Willink
Archive – More featured pictures...

Question

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Why is the list limited only to historical lava lakes? Volcanoguy 02:04, 23 December 2015 (UTC)[reply]

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