Transcript NATURAL DISASTERS

Magdalena Fabiánová
Jana Troubilová
Tereza Vaculíková
Gymnázium Brno, tř. Kpt. Jaroše 14
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rupture – trhlina
hotspot – horká skvrna (oblast zvýšeného toku tepla v zemském
plášti)
dormant – podřimující
Ring of fire – Ohnivý prstenec
to submerge – zaplavit
spillage - vylití, rozlití
inundation - zátopa, zaplavení
watercourse - vodní tok
column - sloupec, sloup
engender - vyskytovat se, vznikat
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Shake which is caused by realasing
energy
Ring of Fire
Earthquakes:
 According to the depth of the
focus: shallow, middle-deep,
deep
 According to its cause:
discruptive, volcanic, tectonic
Richter scale, seismic waves
The most destructive earthquake:
 Sumatra, Indonesia 2004
 Thian Shan, China 1976
 Haiti 2010
 Japan, New Zealand 2011
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Rupture
Hotspots
Blocked magma
Different types of volcanoes
500 active volcanoes, about 50 of
them erupt every year. Ring of
Fire: two-thirds
Nevados Ojos del Salado
(6893ms), Mauna Kea (4206ms)5000 ms under the sea level in
addition
Vesuvius, Santorini, Mount Etna,
Hekla, Stromboli
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Tsu = harbor, nami = wave
Occurence
Wavelength:150-300 km, speed:
800 km/h
Warning systems
Japan – USA (18h)
PTWC (Pacifik Tsunami
Warning Center)
Megatunamis
The most destructive tsunamis
 Lisabon earthquake 1755,
Krakatoa 1883, Chile 1960
 26.12. 2004 southeast coast
of Asia – over 300 000 dead
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Causes of floods:
 Flash flood
 Inundation
Dividing of floods:
 Natural floods
 Special floods
Levels of flood activity:
 First level
 Second level
 Third level
Danger of floods round the world
 A prevention
Asia - river Ganges and
Brahmaputra
The Netherlands
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tronada = a storm, tornar = to
rotate
a wind speed between 180 and
360 kilometres per hour
South America – the most
tornadoes
18 March 1925 Tri – state
tornado
June 1957 town Fargo, North
Dakota
Tornadoes in the Czech
 strength F2 (mostly)
 five times per year
 1993 Spálené Poříčí (a
region of Plzeň), strength
F2
 2004 Litovel, strength F3
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The natural disaster is something which can not be
influenced by a human in any way. It is an act of the nature.
We can only try to reduce a human tragedies and economic
losses. Our humanitarian efforts like charities are very
important and creditable for those, who were affected.
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http://en.wikipedia.org
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http://www.iris.edu/hq/gallery/photo/1667
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http://www.dmme.virginia.gov/DMR3/earthquakes.shtml
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http://www.sci.muni.cz/~herber/hotspots.htm
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http://www.geology.cz/aplikace/encyklopedie/term.pl?horka_skvrna
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http://www.sci.muni.cz/~herber/tsunami.htm
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http://www.gweb.cz/clanky/clanek-60/
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http://www.sci.muni.cz/~herber/volcano.htm
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http://ireferaty.lidovky.cz/?tit=Sopkyavulkany&ss=3468&id_sekce=30
7&str=clanek
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http://sites.google.com/site/vulkanizmus/vulkanicke_hrozby
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http://www.maturita.cz/referaty/referat.asp?id=836
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http://www.zemepis.eu/tsunami.p57.html
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http://www.google.cz/images
Thank you for your attention