Tectonics Keywords

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  • Created by: 10ruddl
  • Created on: 10-06-14 20:44
Focus
The point in the earth's crust where and earthquake originates
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Geothermal
Water that is heated beneath the ground, which comes to the surface in a variety of ways
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Geyser
Where water erupts into the air under pressure
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Caldera
The depression of a supervolcano marking the collapsed magma chamber
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Earthquake
A sudden and often violent shift in the rocks forming the earth's crust that is felt at the surface
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Plate
A section of the earth's crust
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Lahar
Secondary effect of a volcano-mud flow resulting from ash mixing with melting ice or water
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Richter Scale
Logarithmic scale ranging from 0 to 10, used for measuring earthquakes based on the amount of movement.
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Vent
Opening (usually central/singular) in an volcano from which magma is emitted
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Supervolcano
A mega colossal volcano that erupts at least 1,000km cubed of material
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Epicentre
The point at the earth's surface directly above the focus of an earthquake
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Tsunami
A type of wave where the entire depth of the sea/ocean is set in motion, often by an earthquake, which displaces the water above it
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Mantle
The dense, mostly solid layer between the outer core and the crust
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Subduction
The sinking of oceanic crust at a destructive plate margin
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Crust
The outer layer of the earth
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Plate Margin
The boundary where two plates meet
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Prediction
Attempts to forecast an event (when and where) based on current knowledge
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Preparation
Organising activities and drills so people know what to do in the event of an earthquake
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Protection
Constructing buildings so they are safe to live in and will not collapse
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Collision
The meeting of two plates of continental crust. They are both the same type, so they meet 'head on' and buckle (generally creating fold mountains).
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Secondary Effects
The after-effects that occur as an indirect effect of an event
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Primary Effects
Immediate effects of an event like an earthquake or a volcanic eruption
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Aid
Money, food, training and technology given by richer countries to poorer ones, to help with an emergency or long-term development
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Immediate Response
How people react as a disaster happens and in the immediate aftermath
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Long-term Response
Later reactions that occur in the weeks, months and years after an event
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Fissures
Extended openings along a line of weakness that allow magma to escape
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Other cards in this set

Card 2

Front

Geothermal

Back

Water that is heated beneath the ground, which comes to the surface in a variety of ways

Card 3

Front

Geyser

Back

Preview of the front of card 3

Card 4

Front

Caldera

Back

Preview of the front of card 4

Card 5

Front

Earthquake

Back

Preview of the front of card 5
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