WorksheetsEarthquakes Review
Total questions: 12
Worksheet time: 6mins
When stress causes material to change shape, that material has undergone...
strain
confining stress
compression
fracture
What kind of faulting would be most likely to happen along transform faults?
Normal
Strike-Slip
Reverse
Thrust
The Stresses that caused the Himalayas to rise are...
Confining
Tension
Shear
Compression
The point where movement occurred that caused an Earthquake is the...
Focus
Strike
Dip
Epicenter
How often do Earthquakes of magnitude 8.0-8.9 occur?
About once every 50 to 100 years
About 5 to 10 times a year
About once a year
About once ever 5 to 10 years
The amplitude of the largest wave during a Richter magnitude 8 earthquake is ____ times as tall as a magnitude 6 earthquake
10
100
1000
2
Where is the focus, relative to the epicenter?
in the S wave shadow zone
in the P wave shadow zone
directly above the epicenter
directly below the epicenter
The longer the difference in arrival time between the first P wave and the first S wave...
the shallower the epicenter is
the deeper the epicenter is
the closer the epicenter is
the further away the epicenter is
Which of the following measures an earthquake's intensity based on the observed effects on people and structures?
Moment Magnitude Scale
Richter Scale
Modified Mercalli Scale
Centigrade Scale
Which of the following statements best describes the state of earthquake prediction?
scientists can characterize the seismic risk of an area, but cannot yet accurately predict most earthquakes.
scientists can accurately predict the time and location of almost all earthquakes
scientists can accurately predict when an earthquake will occur, but not where
scientists can accurately predict the time and location of about 50% of all earthquakes
When rocks deform plastically, they tend to...
return to their original shape
fold
fracture
break
Not too many people died in the Great Alaska Earthquake in 1964 because...
it was not a large quake
not a lot of people lived in the area at the time
the ground was so solid the shock was absorbed
None of these choices
