Figure 10.50: An avalanche of snow moves suddenly and quickly down slope, burying every-
thing in its path. ( 36 )
Empire State Building were scoured off the valley walls. Fortunately, this event happened
in an area where very few people were living. Most of the people who witnessed this event
were in boats and most of them were able to survive because their boats rode on top of the
wave, rather than being smashed by it.
Figure 10.51: This photograph of Lituya Bay in Alaska shows (in light gray) the areas
damaged by the tsunami produced by a landslide sent 30.6 million cubic meters of rock into
the bay. ( 24 )