Western Quebec has been the site of at least four significant interplate earthquakes.Which of the following hypotheses explain why?
A) A geologically new rift is opening along the Ottawa River Valley.
B) Subsurface fracturing due to a 350 million old meteor impact event.
C) Subsurface fracturing due to igneous intrusion as the North American plate moves over a hot spot.
D) They are triggered by the weight of water held in multiple hydroelectric dams in the area.
Correct Answer:
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