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Earthquakes
Jeremiah D. Williams
23
Science
7th Grade
03/04/2014

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Cards

Term
faults
Definition
surface along which rocks move when they pass their elastic limit and break
Term
earthquake
Definition
is vibrations produced by breaking of rock.
Term
normal fault
Definition
a rock above the fault surface moves downward
Term
reverse fault
Definition
surface that is forced up and over the rock below the fault surface
Term
strike- slip fault
Definition
a fault that moves past each other without much upward or downward movement.
Term
Seismic wave is
Definition
pressure wave generated by an earthquake
Term
Focus is the
Definition
point underground where earthquakes begins
Term
Epicenter
Definition
point on the earth's surface right above the focus
Term
Types of seismic waves
Definition
Primary waves, Secondary waves , and Surface waves
Term
Primary waves
Definition
fastes underground
Term
Secondary waves
Definition
next fastest underground
Term
Surface waves
Definition
Slowest , travel on surface most destructive
Term
Locating Epicenter
Definition
Seismograph, Magnitude, Richter scale, Liquefaction, and Tsunamis
Term
What is a seismograph
Definition
a instrument used to measure earthquakes (size and location)
Term
Magnitude
Definition
strength of an earthquake
Term
Richter scale
Definition
measurement of earthquake magnitude
Term
Liquefaction
Definition
when ground acts like a liquid during an earthquake
Term
Tsunamis
Definition
large wave caused by an earthquake
Term
where did the largest recent earthquake
Definition
California
Term
How many of them can actually be felt
Definition
100,100
Term
What percent does that represent
Definition
20
Term
Where was the largest earthquake ever record
Definition
Chile
Term
Where was the largest earthquake in the world
Definition
China
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