DIADEM
Event description
On August 12, 1997, an ice avalanche from
the Diadem glacier triggered a displacement wave, which overtopped the moraine
dam of
Damage
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Data source
Clague,
J. J., Evans, S. G. (2000): A review of catastrophic drainage of moraine-dammed
lakes in
Remarks
The floodwaters extensively eroded Quaternary deposits
in the west fork of Nostetuko valley, damaged tracts
of forest, and left wood debris and coarse sediment on bars and channel
margins.