Nuée ardente from santiaguito volcano April 1973

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The largest nuée ardente eruption of Santiaguito since November 1929, occurred April 19, 1973. The nuée descended the valley of the Rió Nimá II for a distance of about 4 km. The ash flow itself was restricted to the river bed, but the hot gas cloud devastated an area of more than 3 square kilometers extending hundreds of meters on both sides of the river bed. Because the ash cloud stopped about 2 km from the nearest habitations, there were no fatalities.

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© Stabilimento Tipografico Francesco Gianni & Figli 1973. Publisher's version of record: https://dx.doi.org/10.1007/BF02597634

Publication Title

Bulletin of Volcanology