Earthquake Terms
Earthquakes
Volcanoes
Geosphere
Mixed
100
The scale that measures magnitude of an earthquake.
What is the Richter Scale?
100
Earthquake magnitude increases with changes in this wave height.
What is amplitude?
100
A volcano that is inactive, but could still erupt.
What is a dormant volcano?
100
We live on this layer. It comprises of the earth's crust and the very top portion of the mantle.
What is the lithosphere?
100
The fastest earthquake waves.
What are p-waves?
200
After a major earthquake occurs it is possible for more of these to be felt.
What is an aftershock?
200
The amplitude change between a 4.0 and a 5.0 earthquake.
What is 10?
200
Magma that has reached the Earth's Surface.
What is lava?
200
Means middle layer. What is this layer also called?
Mesosphere - Lower Mantle
200
The common plate boundary for mid-ocean ridges.
What is divergent?
300
The type of wave that can travel through solids, liquids or gases. The first wave that is felt.
What is a p-wave?
300
The boundary where 2 plates meet and push in to one another.
What are convergent boundaries?
300
The type of volcanic eruption with constant rivers of lava. Give an example of these volcanoes.
What is a calmer volcanic eruption? Ex. Hawaiian Volcanoes
300
Has a plastic consistency, but not made of plastic. Plates float atop of this layer.
What is the Asthenosphere?
300
The Hawaiian Island volcano types create _________ _________.
What is new land?
400
The point where an earthquake originates on the land's surface.
What is the Epicenter?
400
Which is the stronger earthquake 6.0 or 8.0? How many times stronger is the stronger of the two?
What is 8.0 and 100 times stronger.
400
What mountain in North America had a violent eruption in 1981?
What is Mt. St. Helens?
400
Liquid iron and nickel.
What is the outer core?
400
The term for ash and cinder projectiles during an eruption.
What is ejecta?
500
The wave also known as a shear wave.
What is an s-wave?
500
What famous transform fault has caused many major earthquakes in California?
What is the San Andreas Fault?
500
What may have triggered some of Earth's past ice ages? How does this occur?
What is Volcanic Ash? The ash blocks out the sun reflecting radiation back in to space.
500
The combined mass of these two layers is one third of the Earth's mass.
What is the inner and outer core?
500
The most destructive earthquake scenario.
Answer: Determined by Teacher
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