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Volcanoes National Park - The Changing Face of Kilauea
of sign - Kilauea Caldera, Hawaii
Volcanoes National Park
taken- June 2009
Changing Face of Kilauea
Caldera has undergone dramatic change since the 1823 visit of
William Ellis, the first western explorer. In that year,
was almost 1000 feet deep, twice as deep as it is today. An
inner pit, several miles across, contained raging lake of
lava. Throughout the 19th century, these lakes repeatedly
overflowed, building up the level of the floor halfway to the brim.
4 occasions this process of construction was suddenly reversed by
collapses involving the caldera floor.
1905, Kilauea Caldera looked much as it does today. Since the
Halema'uma'u Crater has been enlarged and 7 new flows have
added to the caldera floor. These changes continue to reshape
the landscape in dramatic ways.
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