Terms in this set (66)
What is the name of the plate boundary that slides past each other
Transform boundaries are most likely to produce what phenomenon?
The Himalayas in Asia are an example of what type of plate boundary
Earthquakes occur along these
A type of fault where the hanging wall slides down... cause by tension
The block of rock that lies above a fault is called
a fault caused by rocks moving away from each other
This layer of earth is the thickest part
Name the point underground where the faulting in an earthquake occurs
A force that acts on rock to change its shape or volume?
What processes continually affected the coastal plains?
flooding & receeding water
Which type of plate boundary would cause mountains to form?
What is the minimum number of seismograph stations needed to locate an earthquake epicenter?
The volcanoes on the Hawaiian Islands form due to which of the following?
This layer of Earth is solid Iron and Nickel
Which layer has convection currents?
A volcano with gradual slopes formed by slow cooling lava.
The orogenies that formed the Appalachian Mountains were caused by what movement?
Which of the following is NOT a tectonic boundary?
What is the name of the geologic process when one plate slips underneath another plate?
What is the point on Earth's surface directly above the focus of an earthquake?
The sand hills were formed as sediment was eroded and deposited
from the Piedmont to the coastal plain
Stress that pushes masses of rock in opposite directions, in a sideways movement?
When two plates are moving away from each other they are called (often forming rifts or valleys)?
Which of these events can ONLY happen on a DIVERGENT BOUNDARY?
What do you call melted rock once it hardens on the Earth's surface?
What is molten rock that has formed deep within the Earth?
Where do many earthquakes and volcanoes occur along the Pacific Ocean?
along the ring of fire
A continental rift valley can be formed from stretching continental crust at...
divergent plate boundaries
When an oceanic plate and a continental plate collide, which one will subduct?
The area where two tectonic plates meet.
The stress force that pushes the crust where two plates are moving together
Why does magma rise?
it is less dense than the crust
Most volcanoes and earthquakes occur...
along tectonic plate boundaries
The hot ash, gas and rock that races down the side of a volcano is known as ___
Which earthquake wave is the most destructive?
The stress force that pulls plates past one another sideways is called
This landform can occur at a divergent plate boundary.
During the time of Pangaea, where was the Appalachian mountain chain?
in the middle of the Pangaea
What types of waves are released from an earthquake?
What type of stress causes these folds?
What is / are sign(s) that a volcano may erupt soon?
Earthquake activity in the area, Changes in the shape of the volcano, Different amounts of gas being produced
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
Which of the following events formed the Outer Banks?
splitting up of Pangaea
The block of rock that lies below a fault is called
What type of mountains would form from this type of stress?
Earthquakes and volcanoes are most likely found in which locations?
At plate boundaries
The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary
What is molten rock that has reached the Earth's surface?
What kind of magma produces violent volcanic eruptions?
Magma that is high in gas content
The stress force that pushes the crust where two plates are moving apart
A mid-ocean ridge occurs at a ________ plate boundary.
The area of NC near Fayetteville where we see a sharp drop in elevation is known as
How does a reverse fault form?
The hanging wall moves upward relative to the footwall.
subduction zones in the ocean can create which features?
islands volcanoes earthquakes
A fault caused by rocks moving together
What do you call waves of energy sent through Earth's crust when parts of the crust move suddenly?
The difference between magma and lava is _____
where it is found (above or below the surface)
What are solid rock fragments that are ejected during a volcanic eruption?
What is the name of the instrument used to measure the waves of an earthquake?
Which type of wave is the first to arrive after an earthquake occurs?
When one plate sides under neath another, it _________ and the magma _________.
What are the two types of crust
continental and oceanic
Which boundary presses together?
Two tectonic plates collide at a _______ plate boundary.
Stress that stretches rock so that it becomes thinner in the middle!