Most earthquakes happen at the edges of
Which of the following is NOT a type of plate motion?
A break in the Earth's crust along which blocks of crust slide relative to one another is
Another word for an earthquake's strength is its
How much more ground motion does an earthquake with a magnitude of 6.0 have than one with a magnitude of 4.0?
What is the best thing to do if you are inside when an earthquake begins?
When should you return to your home after an earthquake?
Seismic waves that shear rock from side to side are called
What kind of deformation leads to earthquakes?
Which of the following is NOT a fault that leads to an earthquake?
The waves of energy from earthquakes that travel through the Earth are called
The epicenter of an earthquake is the point on the Earth's surface
What scale is used to measure the strength of an earthquake?
The intensity of an earthquake is partially determined by
One way to forecast earthquakes for a place is to observe their past
Which of the following is NOT a kind of technology used to construct earthquake-resistant buildings?
If you are in a car on the open road when an earthquake occurs, you should
What causes the ground to move during an earthquake?
Primary seismic waves
During an earthquake, people inside of buildings should
Which scale is used to measure the intensity of an earthquake?
What is the measurement of how likely an area is to have damaging earthquakes called?
Which theory states that active faults with few earthquakes in the past will have strong ones in the future?
What should you do if you are indoors when an earthquake strikes?
What is NOT a good thing to do if you are outdoors when an earthquake starts?
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
When stress increases along faults, rock ____________________ occurs, which in turn can lead to earthquakes.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
Transform motion creates ________________ faults.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The type of body wave that can move through any substance is a(n) ______________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The magnitude of an earthquake means its _________________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The gap hypothesis says that earthquakes are more likely to occur along _____________________ than in any other areas.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The instrument used to record earthquakes is a(n) ___________________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The point at which an earthquake begins, called the _____________________, is located along a fault.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
Sections along an active fault may have __________________ where there is little earthquake activity.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
Body waves are __________________ that travel through the Earth.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
Rock that deforms like a stretched rubber band is an example of ________________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
A device that acts like a shock absorber in an earthquake resistant building is a(n) _____________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
A weight in the roof of a building that can shift to counteract the movement of the building is called a(n) _____________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The waves that often travel ahead of other waves are called ___________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
P waves and S waves are types of ____________________.
Word Bank
seismograph epicenter seismogram P waves S waves L waves
deformation strike-slip strength elastic rebound seismic waves seismic gaps focus elastic deformation mass damper base isolator surface waves body waves
The most destructive seismic waves are __________________________.
Hypothesis based on the idea that a major earthquake is more likely to occur along the part of an active fault where no earthquakes have occured for a certain period of time.
The process of making older structures more earthquake resistant.
Something that helps keep water and gas lines from breaking during an earthquake.
A weight placed in the roof of a building to counteract building movement.
Waves also known as secondary or shear.
The beginning point of an earthquake.
The change in the shape of rock in response to stress.
The snapping back of deformed rock to its previous shape.
A tracing of earthquake motion that is created by a seigmograph.
A recorder of seismic waves.