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Title: Lahar Risk on the NE Flank of Popocatepetl Volcano
Authors: Delgado, H.
Huesca, E.A. Gonzalez
Abrams, M.
Issue Date: Dec-1994
Citation: San Francisco, CA
Abstract: Popocatepetl volcano has an altitude of 5452 meters and is capped by glaciers which represent a volume of less than 0.017 km<SUP> 3</SUP> of ice. These glaciers are distributed on the northwest-north face of the cone, starting at 4900 m.a.s.l. The ablation runoff of the glaciers is channelized to the north through the Barranca Central and Barranca Ventorillo which at the lower altitude join together to form a larger canyon bent to the northeast following a spur made of volcanic rock from the extinct Iztacchuatl volcano. At 3200 m.a.s.l. a sudden change in morphology marks the starting point of lahar deposits. Several of these mudflows have been mapped. The San Nicolas Lahar covers a poorly developed soil where pottery and other cultural remains have been found. There are now several towns in the area.
Appears in Collections:JPL TRS 1992+

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