The huge 1964 Alaskan earthquake, one of the largest earthquakes ever recorded, was caused by
A. thrusting along a subduction zone (megathrust).
B. an underwater landslide that caused a tsunami.
C. normal faulting on an ancient fault zone in the crust.
D. rupture on a long segment of a strike-slip fault.
E. a volcanic eruption on Augustine volcano.
Answer: A
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Urban sprawl is a set of policies and tools that encourage more environmentally sustainable urban development with less dependence on cars.
Answer the following statement true (T) or false (F)
The Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) indicates that ________
A) Earth has actually been cooling for the past 15 years. B) Earth has never experienced the level of warming that has occurred over the past 30 years. C) Earth is now at its warmest point in the past 800-1400 years. D) modern global climate change has been triggered primarily by natural causes.
The inferential knowledge concerning the nature of the interior of the Earth has been accumulated by ________
A) mining B) seismic wave analysis C) gravity studies D) lunar cycles E) astronomy
Seismic P-waves ________ through continental crust relative to oceanic crust.
A. stay the same velocity B. are refracted C. are reflected D. travel slower E. travel faster