Parts of Earth
The idea that Earth's crust of made up of moving plates is called
Theory of plate tectonics
This type of fault is when rocks move horizontally past each other.
Strike-slip
Hot springs occur in places heated by what?
hot magma
What are 2 of the 3 causes of an earthquake?
Movement of large amounts of Earth
Plate movement
Volcanoes
Slower destructive waves that occur on the surface on the Earth.
Surface waves
The strength of seismic waves of an Earthquake is called its ____________.
magnitude
This type of fault is when rocks push upward, forcing a section of rock upward.
thrust or reverse
This place in the Pacific Ocean is where many volcanoes are found.
Ring of Fire
Vibrations of energy that flow from the focus of an earthquake are called _________ __________.
seismic waves
The beginning point of an earthquake is called its_________.
focus
__________ vent is the side on a volcano where lava can erupt.
side
This type of fault occurs when rocks move apart, forming a gap.
normal
What is volcanic fog called?
vog
The _________ is the point on the Earth's surface directly above the focus of an earthquake.
epicenter
Fast moving waves that occur beneath the surface of the Earth.
body waves
This ____________ chamber is where magma is stored in a volcano.
magma
Type of wave that moves back and forth in a zig-zag pattern.
Love
Name 1 cause of volcano eruption.
movement of magma
an earthquake
a hot spot
An earthquake's magnitude is measured by what type of scale.
Richter
Breaks in earth's surface along which rock can move are called ___________.
faults
Term given to a volcano that is not expected to ever erupt again.
extinct.
The __________-sphere is part of the mantle, where movement of plates over.
litho
This type of flow is an avalanche-like emission of re-hot dust and gases from a volcanic eruption, killed the people of Pompeii.
pyroclastic
A _______ detects, times and measures movements of the Earth.
seismograph
Magma that breaks through the earth's surface is called ____________.
lava