Talk:Armero tragedy

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[edit] 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)