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9.1 natural and man made disasters
 

9.1 natural and man made disasters

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    9.1 natural and man made disasters 9.1 natural and man made disasters Presentation Transcript

    • Natural and Man Made Disasters Mr. Silva’s Awesome APEnvironmental Science Class Student Work
    • Haiti Before The Quake -Palaces and slums ->$2/day -Peaceful and growing -hills
    • After The Quake -7.0 magnitude quake -3,500,000 people affected -Relief aid .5 mil homeless. 100,000 buildings, 250,000 people
    • Tsunami3 meter waves.3 killed.62 miles from epicenter.
    • Haiti, 2010: OverviewMarco, DestinyIt was a 7.0 magnitude earthquake.Death toll at 316,000.Strike-Slip Fault caused the earthquakeCaribbean and North American plates.Enriquillo-Plantain Garden Fault had not moved in 200 years building up pressure.
    • History of Disaster• The island of Hispaniola which is shared by Haiti and the Dominican Republic is seismically active and has a history of destructive earthquakes.• Earthquakes recorded by Moreau de Saint-Méry when Haiti was a French Colony happened in 1751, 1770 Port- au-Prince.• Other towns in Haiti and the Dominican Republic were destroyed in May 1842.• A 8.0 earthquake was recorded on August 1946, producing a tsunami that killed 1,790
    • Damage/StrengthMagnitude 7 Earthquake316,000 pronounced dead."A very big wave" hit and swept out three people to sea.
    • Bibliographyhttp://www.foreignpolicy.com/articles/2010/01/14/requiem_for_port_au_princehttp://www.dec.org.uk/haiti-earthquake-facts-and-figureshttp://www.nature.com/news/2010/100225/full/news.2010.93.htmlhttp://minnesota.publicradio.org/display/web/2011/01/11/haiti-earthquake-facts/en.wikipedia.org/wiki/2010_Haiti_earthquake
    • Mt. Saint Helens
    • Mount Saint Helens Brittany & Hunter• The mountain was estimated to start forming at around the early 15th century.• It was generally formed by volcanic eruptions and flows over a long period of time. Located in Skamania,http://www.boston.com/bigpicture/2010/05/mount_st_helens_30_years_ago.html Washington
    • Mount Saint Helens Basically the Juan de Fuca plate is smashing up against the North American Plate and is sinking below it (It being a oceanic plate) which is allowing magma to rise up.
    • Eruption• The eruption was preceded by a two-month series of earthquakes and steam-venting episodes.• An earthquake on May 18, 1980 caused the entire weakened north face to slide away, suddenly exposing the partly molten, gas- and steam-rich rock in the volcano to lower pressure.• The rock basically responded by exploding a hot mix of lava and pulverized rock toward Spirit Lake so quickly that it overtook the avalanching north face.• All in all... epic.
    • Mount Saint Helens
    • ount Saint Helens Six feet of ash
    • Mount Saint Helens Brittany &Hunter 9,667ft 8,364ft
    • Mount Pinatubo By: Josh and Hannah
    • Before:After:
    • Mount Pinatubo:• Took place on the Island of Luzon in the Philippines• A warning was sent out on June 5th, 1991 and then again on June 9th, 1991• The eruption of Mount Pinatubo began on June 15th, 1991 at 1:42 pm• The eruption lasted for 9 hours
    • Mount Pinatubo:• Up to 800 people were killed and 100,000 became homeless• Tons of sulfur dioxide was discharged• A decrease in temp. was a result of the discharge• The eruption is known as the second-largest volcanic eruption of this century
    • Bibliography:http://images.travelpod.com/tripwow/photos/ta-00e2-e19c-24bb/mount-pinatubo-philippines-philippines+1152_12975434533-tpfil02aw-20792.jpghttp://libraryphoto.cr.usgs.gov/htmllib/btch406/btch406j/btch406z/btch406/ctj00013.jpghttp://en.wikipedia.org/wiki/File:Pinatubo_dust_layer.jpghttp://http://en.wikipedia.org/wiki/Mount_Pinatubohttp://www.seahorsetours.com/images/pinatubocrater1.jpgwww.universetoday.com/wp-content/uploads/2010/08/Mt.-Pinatubo.jpghttp://www.guardian.co.uk/environment/2009/oct/21/geo-engineeringhttp://geography.about.com/od/globalproblemsandissues/a/pinatubo.htm
    • Dust Bowl of the 1930s-Caused by over farming and overuse of the land.- A giant area of land in the southern plains during the 1930s was depleted of all the nutrients in thesoil and caused giant dust storms.- The natural grasses were killed off. Drought and winds carried the the top soil away.
    • Northern Texas, Oklahoma, New Mexico, Colorado, Kansas The sand and dust blew into the northern states
    • About the Dust Bowl -The dust bowl lasted about a decade. -Children went to school wearing masks and people put wet sheets over their windows attempting to keep the dust particles out.
    • Acts of the Dust Bowl- May 1933, The Farm Mortgage Act:$200 million dollars to help refinancefarmers- 1934 Great Dust storms spread toother states, covering and affectingover 75% of the country.- 1935, Soil Erosion Act- 1939, Rain finally comes and ends thedrought
    • Farming NowSmarter Farming: - Crop Rotation - Strip Cropping - Contour PlowingFarmers were paid to practice thesetechniques
    • Bibliographyhttp://www.livinghistoryfarm.org/farminginthe30s/water_02.htmlhttp://www.pbs.org/kenburns/dustbowl/http://www.ldeo.columbia.edu/res/div/ocp/drought/dust_storms.shtmlhttp://www.english.illinois.edu/maps/depression/dustbowl.htm
    • 2011 Tohoku Earthquake and Tsunami By: Matthew Koen and Mikayla Kopp
    • -9.0 magnitude-Friday March 11, 2011-epicenter was 130 kilometers or81 miles-The focus occurred at a depth of32 km(19.9 mi)- waves of up to 10 meters (33 ft
    • -Evacuations ordered along Japan’sPacific coast and at least 20 othercountries-This much destruction occurred in 5minutes
    • - On september 12, 2011, The police agency of japanreported the casualties.- 15,780 people were reported dead.- 6,114 people were reported injured- 2,814 people were reported missing.
    • - Caused Nuclear accidents- Three nuclear reactors suffered explosions and nuclear leakage.- Over 200,000 people were evacuated