Faults
Seismic waves
Magnitude
Damages
Etc...
100
Along a strike slip fault, how do rocks move?
What is they slide past each other.
100
When an earthquake occurs, the first seismic wave to reach a nearby city are?
What is primary waves
100
A scale used to describe the amount of energy released by an earthquake is the?
What is moment magnitude scale
100
An earthquake in the ocean floor causes a water wave to form. This wave is an example of a?
What is Tsunami
100
What can scientists usually predict about earthquakes?
What is the earthquake risk of an area
200
Sudden movements of rock along a fault cause?
What is earthquakes
200
The point on Earth's surface directly above where rocks first start to move during an earthquake is the earthquake's?
What is epicenter
200
The strength of an earthquake depends in part on the?
What is distance over which blocks of rocks move
200
What can be done to help reduce earthquake damage to tall office buildings?
What is use cross braces
200
Earthquakes occur when movement along a fault?
What is is quick and sudden
300
Most earthquakes occur?
What is along tectonic plate boundaries
300
The instrument that scientists use to record seismic waves is called a?
What is seismograhp?
300
Compared to a shallow-focus earthquake, a deep-focus earthquake with the same magnitude and epicenter tends to?
What is Cause less damage
300
What can be done before an earthquake to reduce the damage to buildings?
What is shear walls
300
In a reverse fault, in which direction do the rocks move?
What is up
400
Normal faults are the result of stress that?
What is pulls rocks apart
400
Secondary waves can travel through?
What is rocks
400
Which rating on the magnitude scale indicates the most energy released in an earthquake?
What is 8.0 or above
400
What rating on the magnitude scale indicates the strongest earthquake?
What is 8.0 or above
400
In a normal fault, in which direction do the rocks move?
What is down
500
Along the Mid-Atlantic Ridge, two tectonic plates are moving away from each other. In this area, earthquakes likely occur along?
What is normal faults
500
If the p wave arrives at 5:04 and the s wave arrives at 5:075, what is the difference in the time of their arrivals?
What is 3.5 minutes.
500
How is an earthquake magnitude scale related to the amount of energy released by earthquakes?
What is the higher the magnitude, the higher the energy
500
What rating on the magnitude scale indicates a barely noticeable quake?
What is 0 to 3.9
500
What is one of the major dangers to people from an earthquake?
What is Loss of life
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