Practice questions Flashcards
Stratovolcanoes tend to erupt?
ash flow
Moment magnitude differs from Richter magnitude in that it?
measures the total energy expended during a quake
Moment magnitude differs from Richter magnitude in that it
will prevent the foundation from jerking
What can happen to make a moderate-size event into a large natural disaster?
overlapping events that amplify the effect
Basaltic volcanoes are the most explosive kind of volcano
not true the caldera is
Mercalli intensity differs from Richter magnitude in that it
is based on the intensity of ground shaking at a location
A particular hazardous natural process generally occurs
on a time cycle that can produce very strong effects when in phase with other cycles
The surface of the Earth is
divided into plates that move with respect to one another
Which of the following is NOT a source of earthquake damage?
a high tide
Which of these is not likely to cause a tsunami?
tides
In an earthquake, which type of seismic wave causes most of the damage?
surface waves
Caldera-style eruptions occur more frequently than do eruptions from shield volcanoes.
false
In an earthquake, which type of seismic wave moves the fastest?
P waves