1
Q
What do seismometers measure? 3
A
Magnitude of earthquakes - the amount of energy they release
Duration of vibrations
Direction (horizontal or vertical) of the vibrations
2
Q
Why are seismic records important?
A
They have been built up over time, so the frequency of earthquakes in different areas can be examined
Plate Tectonics
flashcards
Decks in class (39)
# Cards
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Structure of the earth8
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The Earth's surface4
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Movement of tectonic plates4
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Creation of crust6
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The theory of plate tectonics7
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Geology3
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Fossil records4
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Living species2
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Climatology6
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Palaeomagnetism8
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Constructive margins3
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Mid-ocean ridge4
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Rift valley5
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Destructive margins1
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Oceanic-Continental destructive margins5
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Oceanic-oceanic destructive margins3
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Continental-continental destructive margins2
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Conservative margins2
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Summary of plate margins15
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Intrusive and extrusive volcanic activity3
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Intrusive volcanic activity3
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Extrusive volcanic activity6
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Different types of volcanoes4
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Hot springs5
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Geysers5
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Boiling mud pools4
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Volcanoes away from plate margins7
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Earthquakes6
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Seismic waves5
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Seisometers2
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The Richter Scale4
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The Mercalli Scale4
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Earthquakes and tsunamis5
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Tsunamis5
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Hazards5
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Prediction13
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Building techniques7
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Planning and education5
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Factors affecting the severity of impacts10
