Transcript Katastrofy naturalne

By:
Anna Stachura
Joanna Moskal
Aleksandra Nowacka
Krzysztof Łukaszka
Ewelina Zając
Adrian Luberda
Weronika Wlaźlak
Supervision: Małgorzata Kowalcze
DiAMEnT 2012 Rabka-Zdrój
How is vulcanic eruption
made?
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Volcanoes are made when two
tectonic plates come together.
When these two plates meet, one
of them (usually the oceanic plate)
goes under the continental plate.
Afterwards, it melts and makes
magma (inside the magma
chamber), and the pressure builds
up until the magma bursts
through the Earth's crust.
Where: Mt. Tambora, Indonesia
When: April 10 - 15, 1816
Number of victims:
92,000
Where:
When:
Mt. Krakatoa, Indonesia
August 26 - 28, 1883
Number of victims:
36,000
Where: Mt. Pelee, West Indies
When: April 25 - May 8, 1902
Number of victims:
40,000
 The word „vulcano” comes from the name of a Roman god
of fire Vulcanus.
 There are about 1300 active vulcanos on the Earth.
 Most of the vulcanos are under water, so we can’t see them, but about
500 vulcanos are famous mountains.
 The biggest vulcanic crater is the crater of Toba vulcano on Sumatra,
Indonesia.
 Etna vulcano on Sicily is one of the most active world vulcanos.
It has erupted more than 150 times since 1500 before Christ when it
Was reported officially for the first time.
 In 79 the eruption of Vesuvio destroyed flourishing
cities of Pompeii and Stabiae, they were covered with six
meter layer of ash and dust.
 In 1902 the eruption of Mt. Pelle destroyed city St. Pierre
on Martinique. From 30 thousand of residents only one
person survived the cataclism, the one who at that
moment was in the local prison.
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A tsunami is a chain of fast moving waves in the ocean
caused by powerful earthquakes or volcanic eruptions.
Tsunami has a very long wave. It can be hundreds of
kilometers long. Usually, tsunami starts suddenly.
The waves travel at a great speed across an ocean with little
energy loss.
They can remove sand from beaches, destroy trees, toss and
drag vehicles, damage houses and even destroy whole towns.
Hawaii-The tsunami of May 23, 1960 was
generated by a magnitude 8.3 earthquake in Chile.
The 35 foot tsunami struck Hilo, Hawaii causing
severe damage. 61 deaths were recorded and $23
million in damage occurred.
Thailand -26 December 2004 the tsunami
wave, which travelled at about 500 miles per
hour, even reached the eastern coast of Africa,
which was almost 3,000 miles away from the
epicenter.
Indonesia - 25 October 2010 Tsunami in
Indonesia killed 272 people; 412 still missing
Rescuers were having difficult time reaching
possible survivors. Several massive aftershocks
have also been felt since the earthquake.
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