chapter 5 quiz

what is a tsunami

a large ocean wave generated when a megathrust fault suddenly lifts a slab of seafloor

Major earthquakes are often followed by somewhat smaller events known as ________.

aftershocks

which is the zone of the greatest amount of seismic activity?

circum-pacific belt

most earthquakes occur along ______ plate boundaries

convergent

what information does a time-travel graph determine?

distance from earthquake to recording station

an earthquakes magnitude scale is a measure of

energy released

what is the difference between the epicenter and the focus of an earthquake?

epicenter is surface location of earthquake and i located above focus

how do the inner and outer core differ?

inner (solid) outer (liquid)

_________ _______ have the highest velocities

primary waves

s waves can travel through

solid media only

which type of seismic waves tend to cause the greatest destruction to buildings?

surface waves

a tsunami can occur

when an earthquake occurs in the seafloor like along an oceanic plate boundary