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Plate Tectonics
Information for Plate Tectonic section of A2 Geography Exam
197
Geography
Not Applicable
06/13/2011

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Cards

Term
4.6 billion
Definition
Age of the Earth
Term
Moho Discontinuity
Definition
When crust becomes mantle
Term
Inner Core
Definition
Inner solid layer of the earth
Term
1220km
Definition
radius of Inner core
Term
5000-6000
Definition
Celius temperature of the inner core
Term
6400km
Definition
Approx depth of the inner core
Term
Outer Core
Definition
Outer liquid layer of the earth's core
Term
2300km
Definition
Depth of the outer core
Term
Mantle
Definition
Large layer between the crust and the core of the earth
Term
70%
Definition
Earth's volume made up of mantle
Term
500-9000
Definition
Celcius temperature variation within the mantle
Term
Crust
Definition
Outer layer of the earth, divided into plates
Term
Sial
Definition
Less dense, thick continental plates
Term
Sima
Definition
More dense, thin oceanic crust
Term
30-70km
Definition
Thickness of Sial
Term
6-10km
Definition
Thickness of Sima
Term
1912
Definition
Plate tectonic theory released
Term
Wegner
Definition
Came up with plate tectonic theory
Term
Francis Bacon
Definition
Made the theory of Continental Fit, 1620
Term
Morris Ewing, 1948
Definition
Discovered Mid Atlantic Ridge
Term
7000km
Definition
Length of Mid Atlantic Ridge
Term
400,000
Definition
Reversal of earth's magnetic field
Term
14th November 1963
Definition
Eruption under the sea in Iceland begins to form Island of Surtsey
Term
April 1964
Definition
Surtsey formed by 130m ash cone
Term
23rd January 1973
Definition
Fissure eruption near Icelandic port, Heimay. 2km fissure
Term
4000km + 50km
Definition
Length and depth of African Rift Valley
Term
Juan de Fuca
Definition
Sima plate subducted on boundary forming St. Helens
Term
North American plate
Definition
Sial plate subducting the Sima, creating Mount st. Helens
Term
March 15th-19th 1980
Definition
Earthquakes detected by Mount st. Helens
Term
March 20th
Definition
Earthquake measuring 4.1 occurs near Mount St. Helens
Term
March 27th-April 18th 1980
Definition
Earthquakes and steam eruptions occur near Mount St. Helens
Term
April 29th 1980
Definition
No access and restricted access areas created as earthquakes reached 4.9 magnitude near Mount St. Helens
Term
8.32am May 18th 1980
Definition
Eruption caused by earthquake Mount St. Helens
Term
8.32am May 18th 1980
Definition
Eruption caused by earthquake Mount St. Helens
Term
5.1
Definition
Magnitude of earthquake triggering the eruption of Mount St. Helens
Term
12 miles
Definition
Distance of landslide from Mount St. Helens
Term
12 miles
Definition
Distance of landslide from Mount St. Helens
Term
680mph
Definition
Speed of mud and pyroclastic flows from Mount St. Helens
Term
930 miles
Definition
Distance from Mount St. Helens ash fell
Term
16 mile
Definition
Collumn of ash from Mount St. Helens
Term
8ft
Definition
Mud layer after Mount St. Helens erupts
Term
October 5th 2004
Definition
Eruption of Mount St. Helens after dome begins to build again
Term
5ft
Definition
Growth of lava bulge in Mount St. Helens before 1980 eruption every day
Term
$1.1 billion
Definition
Cost of repairs after Mount St. Helens eruption
Term
7,000
Definition
Deer, elk and bears killed by Mount St. Helens eruption
Term
57
Definition
People killed at Mount St. Helens with only 3 in danger zones
Term
200
Definition
Homes destroyed by Mount St. Helens
Term
4 billion ft2
Definition
Timber destroyed by Mount St. Helens
Term
1000ft
Definition
Decline in Mount St. Helens height after eruption
Term
USGS
Definition
United States Geological Survey
Term
Cascades Volcano Observatory
Definition
Monitors Mount St. Helens
Term
Emergency Coordination Centre
Definition
Established March 1980 for Mount St. Helens management
Term
Fissure
Definition
Volcano shape Elongated mild eruption with basaltic lava e.g. Iceland
Term
Shield
Definition
Volcano shape Basaltic lava, hot spots e.g. Mauna Loa Hawaii
Term
Composite
Definition
Volcano shape Andesitic lava e.g. Mount St. Helens
Term
Calderas
Definition
Volcano shape Andesitic lava, formed from a block vent creating a crater e.g. Krakatoa
Term
Acid or Dome
Definition
Volcano shape with Rhyolitic lava
Term
Icelandic
Definition
Eruption type, lava flows from fissure
Term
Hawaiian
Definition
Eruption type emitted from a vent gently
Term
Strombolian
Definition
Eruption type small frequent eruptions
Term
Vulcanian/Vesuvian
Definition
Eruption type, more violent than Strombolian but less frequent
Term
Krakatoan
Definition
Eruption type very violent eruption removing original cone
Term
Pelean
Definition
Eruption type, violent eruptions accompanied with pyroclastic flows and a rudee ardente 'glowing cloud'
Term
Plinian
Definition
Eruption type, large amounts of lava and pyroclastic material
Term
66-75%
Definition
Silica content of rhyolitic lava
Term
42-52%
Definition
Silica content of basaltic lava
Term
Fumaroles
Definition
water becomes steam as it reaches atmospheric pressure
Term
Solfatara
Definition
Gases mingle with steam from rising water, often sulphurous
Term
1918
Definition
Last eruption of Solfatara, Italy
Term
160
Definition
Celcius temperature of Solfatara
Term
1972
Definition
PAGASA founded
Term
Phillipine Atmospheric Geophysical and Astronautrical Service Administration
Definition
PAGASA
Term
700
Definition
Killed by eruption of Mount Pinatubo
Term
Phillipine Volcanology and Seismology
Definition
PHIVOLCS
Term
19
Definition
Seismic stations for PAGASA
Term
£1.9 million
Definition
Relief provided internationally for Mount Pinatubo appeal
Term
National Disaster Coordination Committee
Definition
Mount Pinatubo authority tackling disaster management
Term
1992
Definition
Date planting of contaminated land will work.
Term
3 weeks
Definition
Power cuts after eruption of Mount Pinatubo
Term
200,000
Definition
Homes destroyed by Mount Pinatubo
Term
Phillipine Plate
Definition
Plate subducted to form Mount Pinatubo under the Eurasian plate
Term
1380
Definition
Previous eruption of Mount Pinatubo
Term
9th June 1991
Definition
Mount Pinatubo eruptions of steam and ash
Term
12th June 1991
Definition
Mount Pinatubo erupts.
Term
30km
Definition
Steam and ash into atmosphere after Mount Pinatubo erupts
Term
50cm
Definition
Ash fell near Mount Pinatubo
Term
600km
Definition
Distance away that ash fell from Mount Pinatubo
Term
23%
Definition
People live in slums in Angeles, Phillipines
Term
2%
Definition
Population of Angeles, Phillipines, have structurally secure housing
Term
49%
Definition
Phillipine population in poverty
Term
£17 billion
Definition
Phillipine foreign debt
Term
Mount Nyiragongo
Definition
hot spot volcano in Democratic Republic of Congo
Term
January 18th 2002
Definition
Mount Nyiragongo erupts
Term
2km
Definition
Width of Mount Nyiragongo lava flow
Term
147
Definition
Killed by Mount Nyiragongo eruption
Term
350,000
Definition
Refugees from Mount Nyiragongo eruption
Term
1/4 million
Definition
Refugees returned to Goma within 24 hours
Term
30 tonnes
Definition
Aid provided for Mount Nyiragongo appeal by Oxfam, UK funded
Term
Lake Kivu
Definition
Major water supply, polluted by Mount Nyiragongo eruption
Term
Goma Volcano Observatory
Definition
Evacuated Goma
Term
Volcano and Environmental Risk Management Unit
Definition
Set up in 2007 near Goma
Term
70,000
Definition
Kids educated by Volcano and Environmental Risk Management Unit
Term
CAFOD, Christain Aid and Red Cross
Definition
Aid agencies working in Goma
Term
£1 million
Definition
UK aid pledged to Mount Nyiragongo
Term
£2 million
Definition
Aid from the International Development Fund for Mount Nyiragongo
Term
Mercalli Scale
Definition
Measures intensity of earthquakes based on personal observations, 12 point
Term
Earthquakes at Destructive boundary
Definition
high concentration and often shallow, subject to Benioff Zone
Term
Earthquakes at Collision boundary
Definition
Shallow earthquakes at low density
Term
Earthquakes at Constructive boundaries
Definition
Mainly shallow and submarine, can also occur at areas of inland crustal tension
Term
Intra-Plate earthquakes
Definition
earthquakes from stresses in the plate due to movement or isostatic uplift.
Term
Aftershocks
Definition
Earth settling after displacement
Term
Market Rasen, Uk
Definition
Intra-plate quake occured 27th Feb 2008
Term
5.2
Definition
Magnitude of Market Rasen quake
Term
18.6km
Definition
Depth of Market Rasen quake
Term
£30million
Definition
Insurance cost of Market Rasen quake
Term
Tilt meter and creep meter
Definition
Monitors minor earth movements
Term
Magnetometer
Definition
Measures minor movements in magnetic field
Term
Well levels
Definition
Monitor ground water movement and radon gas content
Term
Seismograph
Definition
Detects foreshocks
Term
Great Calafornia Shake Out
Definition
Event day in July to practice drills
Term
Quasi-Natural
Definition
Earthquakes caused by dams and reservoirs increasing water pressure in rocks, acting as a lubricant
Term
Gap Theory
Definition
Little fault activity in an area increases probability of activity soon
Term
Liquefaction
Definition
Ground is violently shook and behaves like liquid, soil volcanoes created by movement of groundwater and pore water pressure increases
Term
Alpine Fault
Definition
Indo-Australian Plate subducting the Pacific Plate, where the New Zealand earthquake occured
Term
14,000
Definition
Quakes a year in New Zealand
Term
200
Definition
Quakes a year strong enough to be detected by humans
Term
New Zealand Earthquake Commission
Definition
Educates on earthquake safety, with Advertising campaigns such as "Quake Safe" in June 2005-2006
Term
5km
Definition
Depth of New Zealand quake
Term
6.3
Definition
Magnitude of New Zealand quake
Term
80%
Definition
City lost power after New Zealand quake near Christchurch
Term
181
Definition
Killed by New Zealand quake
Term
120
Definition
Rescued from ruins in New Zealand
Term
1500-2000
Definition
Treated for minor injuries in New Zealand quake
Term
10,000
Definition
Homes to be demolished and rebuilt in Christchurch
Term
Bexley
Definition
Suburb of Christchurch that flooded
Term
30 million tonnes
Definition
Ice fell of Tasman Glacier into lake, creating tsunamis
Term
$4 billion
Definition
Cost of repairs in Christchurch
Term
-0.4%
Definition
Impact on New Zealand GDP
Term
GeoNet
Definition
network of instrument and data centres across New Zealand, operated by Institute of Geological and Nuclear Sciences in New Zealand
Term
91.4%
Definition
GeoNet success rate in earthquake prediction
Term
70,000
Definition
Buildings in Christchurch assessed
Term
1300
Definition
Buildings in Christchurch red-stickered
Term
$5 million
Definition
Australian aid to New Zealand
Term
16
Definition
Ambulances operational by St. John within half an hour, then recieving 700 calls in 6 hours
Term
$500,000
Definition
Aid for New Zealand from China
Term
4th September 2010
Definition
Earthquake in Christchurch
Term
7.00am-7.00pm
Definition
Curfew in Christchurch CBD
Term
Minstry of Civil Defence and Engineering Management
Definition
Co-ordinated relief in New Zealand
Term
12th January 2010, 4.53pm
Definition
Earthquake occured in Haiti
Term
North American and Caribbean Plates
Definition
Transform fault where Haitian earthquake was
Term
13km
Definition
Depth of Haitian earthquake
Term
15km
Definition
Distance of Haitian earthquake from Port-au-Prince
Term
7
Definition
Magnitude of Haitian earthquake
Term
300,000
Definition
Number injuried by Haitian earthquake
Term
1.5 million
Definition
Made homeless by Haitian earthquake
Term
230,000
Definition
Killed by Haitian earthquake
Term
87%
Definition
Survivors of Haitian earthquake in refugee camps a year on
Term
105,000
Definition
USA Visas for Haitians.
Term
150,000 and 3,500
Definition
Cholera cases and deaths after Haitian earthquake
Term
1 in 5
Definition
Jobs lost as a result of Haitian earthquake
Term
$1.4 billion
Definition
Cost of reconstruction after Haitian earthquake
Term
2 million m3 out of 10 million m3
Definition
Rubble cleared 1 year on from Haitian earthquake
Term
$1 billion out of $1.5 billion
Definition
Aid recieved out of required funds for reconstruction after Haitian earthquake
Term
Interim Haiti Recovery Committee
Definition
Organisation to coordinate reconstruction schemes
Term
THRUST
Definition
Tsunami Reduction Utilising Systems Technology
Term
DART
Definition
Deep Ocean Assessment and Reporting of Tsunamis, set up November 2005
Term
150
Definition
Seismic detectors in 1994 in Japan
Term
Pacific Early Warning System
Definition
1948, 24 countries and 30 seismic stations and 70 tidal stations
Term
90%
Definition
Damaging tsunamis originate Pacific Ring of Fire
Term
50 km
Definition
maximum depth for quake to cause tsunami
Term
800kmph
Definition
speed of tsunami waves
Term
160km
Definition
Length of tsunami waves
Term
1.5-2m
Definition
tsunami depth at sea
Term
85m
Definition
Highest tsunami ever recorded 1977 in Japan
Term
Friday 11th March 2011, 4.46pm
Definition
Great East Jaoan Earthquake occured and trigged a tsunami
Term
120km
Definition
Distance of epicentre from Japanese coastline
Term
9
Definition
Magnitude of Japanese earthquake
Term
5 minutes
Definition
Duration of Japanese earthquake
Term
24km
Definition
Depth of earthquake focus in Japan
Term
1
Definition
Killed in Tokyo from the earthquake
Term
6.1
Definition
highest magnitude of aftershocks in Japan
Term
10m
Definition
Height of Japanese tsunami waves
Term
6km3
Definition
Water displaced by Japanese earthquake
Term
15minutes
Definition
Distance of wave to coastline
Term
500kmph
Definition
Speed of Japanese tsunami waves
Term
4.4million
Definition
Immediate loss of power in Japan
Term
8300
Definition
Confirmed dead by March 21st after Japanese earthquake
Term
18,000
Definition
Missing March 21st in Japanese earthquake
Term
450,000
Definition
Number of people in shelters Japanese earthquake
Term
200,000
Definition
People evacuated due to Fukushima 20 miles around the area.
Term
500,000
Definition
People displaced by Japanese earthquake
Term
2m
Definition
Subsidy of Japanese coastline
Term
5 years
Definition
Estimated time for recovery after Japanese earthquake
Term
Tsunami warning Centre
Definition
Established Japan 1952, 6 regional centres and 300 sensors.
Term
3
Definition
US warships sent to tackle Japanese earthquake
Term
$138 million
Definition
Donations to Japanese earthquake
Term
$184 billion
Definition
Injected into Japanese money market
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