Details

Title: Earthquakes

Description: Key words for the earthquakes topic

Total Flash Cards: 13

Created: 02/07/2010 11:06:33

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Additional Geography Flashcards

Cards in this set:

Term
Earthquake
 Definition
The shaking of the earth's crust caused by sudden rock movement.
Term
Aftershocks
 Definition
Smaller ground shakes that follow the main one.
Term
Crust
 Definition
The outer layer of the earth.
Term
Epicentre
 Definition
The point on the ground directly above the focus of an earthquake.
Term
Hypocentre
 Definition
The American term for epicente.
Term
Fault
 Definition
A crack in the earth's crust where rock has moved.
Term
Focus
 Definition
The 'centre' of an earthquake - the place where the rock moved.
Term
Magnitude
 Definition
How much energy and earthquake gives out.
Term
Plates
 Definition
The large slabs that the earth's surface is broekn into.
Term
Richter Scale
 Definition
A scale for measuring the energy given out in an earthquake.
Term
Seismic wave
 Definition
A wave of energy given out in an earthquake.
Term
Seismometer
 Definition
An instrument for recording the vibrations on an earthquake.
Term
Seismograph
 Definition
A graph showing the shaking of the earth during an earthquake.