EAPS 106 – 45 Review Questions With Correct Answers
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Course
EAPS 106
Institution
EAPS 106
Why the outer core is a liquid, but the hotter inner core is solid - ️️Because the inner core is under more pressure
What a passive plate margin is - ️️a boundary between continental crust and oceanic crust that is not a plate boundary
What a supercontinent is - ️️one big continent wi...
EAPS 106 – Review Questions
Why the outer core is a liquid, but the hotter inner core is solid
- ✔ ✔ Because the inner core is under more pressure
What a passive plate margin is - ✔ ✔ a boundary between
continental crust and oceanic crust that is not a plate boundary
What a supercontinent is - ✔ ✔ one big continent with
most or all of the land mass
What an asperity is - ✔ ✔ rough spots along the fault
prevent the fault from sliding until they are broken
What caused the high topography of the Himalayas and Tibet -
✔ ✔ India colliding into Asia during continental drift and
creating the tallest mountains in the world (only time two
continents collided)
, What drives plate tectonics - ✔ ✔ Convection in the Earth's
solid-state mantle drives plate tectonics (bottom surface is hot
and top surface is cold)
Why the US Geological Survey believes there is a high seismic
hazard in the midwest - ✔ ✔ Three of the largest
earthquakes to occur in the contiguous U.S. happened in the
midwest.
How GPS is used to predict how big the next earthquake in a
region is likely to be - ✔ ✔ GPS measurements enable us
to measure slip deficit rates, the amount an earthquake will
need to slip in order to reduce elastic stress build-up.
How many seismograms are required to locate an earthquake -
✔ ✔ 3
How movies generally and incorrectly depict earthquakes - ✔
✔ Having faults open a gap during earthquakes, buildings
swaying and collapsing (they pancake)
Why earthquakes are difficult to predict - ✔ ✔ The time
and magnitude of earthquakes on any fault is highly variable,
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