Talk:Armero tragedy

Armero tragedy has been listed as one of the History good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.

Article milestones
Date	Process	Result
July 9, 2010	Good article nominee	Listed

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Giant Ice Rock?

A source citation is needed for the following segment:

"The explosion of the volcano was not the main cause of the disappearance of Armero. The Lagunilla river had been blocked for more than 2 months, when considerably smaller eruptions of the Arenas volcano had melted part of the Ruiz mountain. As a result, the Lagunilla ended up looking more like a lake than a river.

The Nevado del Ruiz Volcano eruption swept away Armero.The night when the volcano exploded, a gigantic ice rock from the top of the mountain fell into the Lagunilla river, creating a megatsunami of mud, ash and water..."

I can't find any confirmation of this sequence of events anywhere on the web or in textbooks. Would greatly appreciate if someone could direct me to the source of this information. Lack of citation casts doubt on the validity of the passage.Paablo 06:15, 30 September 2007 (UTC)[reply]

300mph?

This speed is unusually high for this type of event. rylincoln (talk) 14:58, 22 September 2009 (UTC)[reply]

Agreed, Rylincoln. Still waiting on a citation. The USGS Nevado del Ruiz article, referencing Ewert et al. (1993) suggests that the lahar was indeed a direct effect of the November eruption, with no mention of the megatsunami. I admit that I am not familiar with the Ewert paper. --Paablo (talk) 20:37, 11 February 2010 (UTC)[reply]

It seems that claim has been here since 2005. Given the other concerns noted above, I've decided to replace much of the material here on the lahars with the relevant portion of our Nevado del Ruiz article. This is a bit light on the effects on Armero, so will need some expansion, but it's certainly well referenced. -- Avenue (talk) 08:02, 12 February 2010 (UTC)[reply]

In the third paragraph, second sentence, is that supposed to be there were several evacuation attempts? In the relief efforts section, first paragraph, in the list of items sent, it says 500&nbsptents. Not sure what that is supposed to be. —Preceding unsigned comment added by 63.230.167.170 (talk) 18:56, 7 July 2010 (UTC)[reply]