Which statement about the danger of volcanoes in the Pacific Northwest is most accurate?
a. The Mt. St. Helens eruption of 1980 assures that the volcano will not be a threat for several decades.
b. Mt. Rainier poses a greater threat than other High Cascades volcanoes due to the large population living at its base.
c. Mt. Shasta is the most dangerous volcano in the region since it has not erupted in a long time.
d. Mt. Hood is very close to the Seattle-Tacoma metropolitan area and would destroy much of these cities in an eruption.
e. Mt. Baker has been the most frequent site of eruptions in the past and therefore is the greatest current danger.
Question 2
The predominant weather in the Pacific Northwest ____.
a. makes mudflows the most serious concern in eruptions
b. is likely to carry vog over major metropolitan areas
c. is not expected to increase the danger of volcanic damage
d. may interfere with evacuation and put more people at risk
e. is likely to increase the chance of pyroclastic flows
Adult blue whale from the eastern Pacific Ocean
A nearly motionless individual, alert to danger, will whistle when alarmed to warn other groundhogs
Pacific Estuary
A typical bank statement.
Pacific Decadal Oscillation: Temperature in degree Celsius