On January 15th, a debris flow was generated in the
upper part of LagunillasValley, on the east flank
of Nevadodel Ruiz volcano. The
flow buried the bridge between the cities of Manizales and
Murillo, so they remained temporaly isolated. The
phenomenon was caused by strong melting at the Lagunillas
Glacier located on the summit of the Nevado. The meltwater had slowly saturated a deposit left by a
landslide in 1994, and on January 15th received important contributions from
sliding seracs. All this material ran down the valley
to a distance of 6 km.
Damage
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The flow buried the bridge between the cities of Manizales
and Murillo.
Data source
IAHS (ICSI) � UNEP � UNESCO (1998): Fluctuations of
glaciers 1990�1995, Vol. VII
(Haeberli, W., Hoelzle, M., Suter,
S., Frauenfelder, R.). World Glacier Monitoring Service, University of Zurich, Z�rich.