Volcano Basics
Earthquake!!!
Faults and more
Natural Hazards
Vocab?
100
This type of volcano has a broad, flat cone shape with gently sloping sides.
What is a shield volcano.
100
True or False - Earthquakes occur only on land.
What is false.
100
What is the major cause of an earthquake?
Pressure and energy being released at a fault zone
100
This type of hazard can cause buidings to collapse and objects to fall.
What is an eathquake
100
An opening in the Earth's crust through which molten rock, rock fragments, and hot gases erupt.
What is a volcano.
200
This type of volcano is composed of alternating layers of lava and rock particles.
What is a composite or stratovolcano.
200
Scientists who study earthquakes and seismic waves.
What is a seismologist.
200
This type of fault is found in California.
A strike-slip fault or a transform fault.
200
This type of hazard can happen on tops of hills especially after an earthquake and rain
What is a landslide or mudslide
200
Molten rock that reaches the Earth's surface.
What is lava.
300
A partly filled gaping hole at the top of a volcano is called a what?
What is a Caldera
300
The point beneath the Earth's surface where the energy release occurs.
What is the focus.
300
What type of fault is not visible due to it being underground
A blind thrust fault
300
Geologist look for what underground when trying to find out if there was an earthquake in the past?
Displacement
300
Molten rock under earth's surface called what?
What is magma.
400
What is the difference in formation of a volcano and a mountain?
Volcanoes are formed through eruptions and mountains are formed through plate collisions.
400
Measure of the energy released by an earthquake.
What is magnitude.
400
This is the instrument scientists use to record seismic waves.
What is seismograph.
400
What is the only good thing about an earthquake
You can only learn more about the earthquake after it has happened.
400
What type of boundary created the Himalayas?
What is convergent boundary
500
Most volcanoes and earthquakes have occurred in this famous area surrounding the pacific ocean
What is the ring of fire
500
A break in the Earth's crust where earthquakes often occur.
What is a fault.
500
Earthquakes under the sea that causes a sudden movement of the ocean floor and then cause what?
What is a tsunami.
500
What important plate boundary is found in the atlantic ocean?
What is the mid Atlantic ridge
500
This is a slow change in the earth's crust. Usually consists of bending and curving.
What is a fold.
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