ERTH 101 Exam 1 Guide With
Complete Solution
Wet and unconsolidated substrates are uniquely susceptible to __________
during an earthquake. - ANSWER liquefaction
The __________ theory states that the universe is continually growing. -
ANSWER expanding universe
Which earthquake scale is used to assess the effects of an earthquake on
humans and human-made structures? - ANSWER Mercalli scale
Generally, which type of earthquake waves travel with the slowest velocity? -
ANSWER surface waves
Periods of intermittent sliding on a fault because of stress release during
episodes of slip, followed by stress buildup to the point that the fault is
reactivated, is termed - ANSWER stick-slip behavior.
The chain of volcanoes along the west coast of South America (the Andes
Mountains) exists because - ANSWER an oceanic plate is subducting under
the western edge of the South American Plate.
The center of a mid-ocean ridge is where - ANSWER new oceanic lithosphere
is being created.
At a minimum, how many seismic stations are necessary to locate the
epicenter of an earthquake? - ANSWER three
Big Bang nucleosynthesis yielded primarily - ANSWER light elements with
atomic numbers less than 5.
, Which seismic wave phase causes the ground to roll like a wave? - ANSWER
Rayleigh wave
Moderate- and deep-focus earthquakes occur along ONLY - ANSWER
convergent-plate boundaries.
S-waves are unable to pass through the Earth's outer core, which indicates
that the outer core is - ANSWER liquid.
Which of the following has faulting but no volcanic activity? - ANSWER
Transform plate boundary
Body waves include - ANSWER both S- and P-waves.
Accretionary prisms form as a result of what process? - ANSWER Subduction
Atoms that are heavier than iron are generally produced by - ANSWER
explosions of supernovas.
Oceanic crust - ANSWER is composed of basalt and lies under a blanket of
sediment.
Complete Solution
Wet and unconsolidated substrates are uniquely susceptible to __________
during an earthquake. - ANSWER liquefaction
The __________ theory states that the universe is continually growing. -
ANSWER expanding universe
Which earthquake scale is used to assess the effects of an earthquake on
humans and human-made structures? - ANSWER Mercalli scale
Generally, which type of earthquake waves travel with the slowest velocity? -
ANSWER surface waves
Periods of intermittent sliding on a fault because of stress release during
episodes of slip, followed by stress buildup to the point that the fault is
reactivated, is termed - ANSWER stick-slip behavior.
The chain of volcanoes along the west coast of South America (the Andes
Mountains) exists because - ANSWER an oceanic plate is subducting under
the western edge of the South American Plate.
The center of a mid-ocean ridge is where - ANSWER new oceanic lithosphere
is being created.
At a minimum, how many seismic stations are necessary to locate the
epicenter of an earthquake? - ANSWER three
Big Bang nucleosynthesis yielded primarily - ANSWER light elements with
atomic numbers less than 5.
, Which seismic wave phase causes the ground to roll like a wave? - ANSWER
Rayleigh wave
Moderate- and deep-focus earthquakes occur along ONLY - ANSWER
convergent-plate boundaries.
S-waves are unable to pass through the Earth's outer core, which indicates
that the outer core is - ANSWER liquid.
Which of the following has faulting but no volcanic activity? - ANSWER
Transform plate boundary
Body waves include - ANSWER both S- and P-waves.
Accretionary prisms form as a result of what process? - ANSWER Subduction
Atoms that are heavier than iron are generally produced by - ANSWER
explosions of supernovas.
Oceanic crust - ANSWER is composed of basalt and lies under a blanket of
sediment.
