The time and date of the last megathrust earthquake on the Cascadia Subduction Zone has been deduced from _______________.
A) dating of coastal trees killed by seawater after sudden subsidence
B) Japanese tsunami records
C) seismograph recordings
D) all of these are correct
E) dating of coastal trees killed by seawater after sudden subsidence and Japanese tsunami records
Correct Answer:
Verified
Q1: Earthquake research in Canada focuses primarily on
Q2: There have been no observed megathrust earthquakes
Q3: The most active earthquake area in the
Q4: Earthquakes occur in the St.Lawrence River valley
Q6: The city with the second highest seismic
Q7: Earthquake shake maps are compiled from _.
A)
Q8: Seismic risk in Canada is assessed using
Q9: Processes that weaken the crust locally in
Q10: In the National Building Code of Canada,site
Q11: Evidence of the last major earthquake in
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