Volcanoes
Earthquakes
Definitions
Plates
Uh,Oh!
100
The volcanic eruption of Mt. Vesuvius in 79 BCE utterly enveloped this city in pyroclastic flow
What is Pompeii
100
The size of an earthquake is known as its
What is magnitude
100
Term for the surface where two plates slip is known as
What is a fault
100
What are the 4 layers of the earth?
What is the inner core, outer core, mantle, and crust
100
What does BCE stand for?
What is Before Common Era
200
What is magma?
What is hot molten rock
200
What are the three different types of faults
What is normal, reverse, and Strike slip faults
200
when two blocks (or plates) of the earth suddenly slip past one another is called this
What is an earthquake
200
On what two layers of the earth do we find earthquakes and volcanoes?
What is the crust and upper mantle
200
What are the main steps to remember if you are ever in an earthquake
What is drop down, get under a table or desk, and protect your head
300
Device used to measure the deformation of a volcano
What is a tiltmeter
300
Point on the surface of the earth where an earthquake begins
What is the epicenter
300
Edges of plates is the definition of this term
What is plate boundaries
300
What do tectonic plates float upon?
What is magma
300
What is the Richter Scale?
What is a mathematical device to compare the size of earthquakes.
400
hot, turbulent, fast-moving, high particle concentration clouds of rock, ash and gas.
What is Pyroclastic flow
400
The device used to measure earthquakes is called
What is a seismograph
400
vent or 'chimney' that connects molten rock (magma) from within the Earth’s crust to the Earth's surface.
What is a volcano
400
Reason why two different plates get stuck on one another
What is the plate boundaries are rough
400
How much movement is there from one whole number to another on the Richter sclae
What is Log 10 (10x)
500
These two factors heavily influence whether a volcanic eruption will be explosive or effusive
What is viscocity and amount of gases inside a volcano
500
The point WITHIN Earth where faulting begins
What is the focus
500
Term that describes a hot or cold mixture of water and rock fragments flowing down the slopes of a volcano
What is a Lahar
500
Term used to describe the many pieces of the earth which are slowly moving
What is plate tectonics
500
How much energy is released from one whole number to another on the Richter scale
What is 32x
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