natural disasters ellen meinecke
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Natural Disasters
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Earthquakes Tornadoes Volcanoes Thunderstorms
Others we will not cover: Avalanches, floods, blizzards, tsunamis, and droughts.
Smiteme, “Hurricane Katrina-August 28, 2005” August 28, 2005 via Flickr, Creative Commons Attribution-Non-Commercial-NoDerivs License.
Types of Natural Disasters
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Earthquakes- The shaking, rolling or sudden shock of the Earths surface.
- Usually last for less than one minute.
- Effects very large areas.
- Earthquakes are very unpredictable.
Mike-Campbell, “Badly Damaged building in the CBD” September 6, 2010 via Flickr. Creative Commons Attribution and No Derivative Works License.
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EarthquakesSigns of an earthquake:
- The ground shakes. - Shelves begin to shake.
- Objects begin to sway. -There is a slight rumble sound.
The Richter Scale (0-9)
Under 4= little to no damage, Above 6=major damage
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EarthquakesWhat to do in an earthquake:
1. Drop to the floor.
2. Find cover under table or in a doorway.
3. Hold on through the shaking.
4. Remain where you are until told all is safe.
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- Funnel-shaped clouds that develop mostly during thunderstorms.
- Speeds can reach 300 mph.
- Damage can be up to 1 mile wide and 50 miles long.
Tornadoes
Ryan-o “Parker Tornado” August 24, 2008 via Flickr, Creative Commons Attribution and No Derivative Works License.
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Tornado Alley:
IowaSouth DakotaNebraska ColoradoKansasOklahomaTexas
Tornadoes
Dan Craigs. “Tornado Alley Diagram” September 18, 2009 via Wikipedia, Creative Commons Share-Alike License.
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On the News:
Tornado Watch: Tornadoes are possible, continue on as normal, but stay tuned in for updates.
Tornado Warning: A tornado has been spotted, take appropriate cover.
Tornadoes
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Volcanoes
Erin! “Arenal Volcano” March 11, 2006 via Flickr. Creative Commons Attribution and No Derivative Works License.
- Mountains that hold molten lava under its surface.
- When pressure builds inside a volcano, an eruption occurs.
- Dangerous molten lava can cover miles of surface, wrecking houses, yards, trees and anything in its way.
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Volcanoes- Mainly found in: California,
Hawaii, Alaska, Oregon, and Washington.
- Triggers other natural disasters such as: Flash floods, earthquakes, rock falls, land slides, ect.
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VolcanoesInteresting Facts:
- There are more than 500 active volcanoes in the world.
- Most mountains and sea floors were created by volcanoes.
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-Thunderstorms are a combination of thunder and lightning.
-They usually last an average of 30 minutes.
Thunderstorms
Aquinoktium, “Thunderstorm” October 28, 2009 via Flickr, Creative Commons Attribution.
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To estimate the distance of how far a storm is away, count the seconds between one flash of lightning and the first thunder boom after.
Take the number of seconds and divide by 5.
Example: 10 seconds/5 = 2 miles away.
Thunderstorms
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During thunderstorms:
-Stay inside.-If outside take shelter in a ditch.-Unplug computers and other electronics.-Avoid the use of all electronic items, such as phones.
Thunderstorms
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Summary1.Earthquakes(rumble of the Earth)
2. Tornadoes(funnel shaped cloud)
3. Volcanoes(erupting mountains)
4. Thunderstorms(flashing, loud, rain storms)
During any storm remember to stay calm!
Prayitno. “Snow Storm #3” January 19, 2010 via Flickr, Creative Commons Attribution.
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Credits"FEMA For Kids: The Disaster Area." FEMA | Federal Emergency Management Agency. Web. 21 Feb. 2011. <http://www.fema.gov/kids/dizarea.htm>.