Alaska Climate & Hazards Quiz
Subarctic/Arctic climates, earthquakes, volcanoes (10 questions).
Alaska Climate & Hazards Quiz: Quick Study Notes
Alaska is defined by extreme physical geography, ranging from the frozen tundra of the Arctic North to the volatile subduction zones of the Pacific Ring of Fire. Understanding the interaction between climate zones and tectonic hazards is essential for mastering Alaskan geography.
Key Takeaways
- The 1964 Great Alaska Earthquake (Mag 9.2) caused massive tsunamis.
- The Aleutian Islands form a volcanic arc along the subduction zone.
- Permafrost instability threatens infrastructure as temperatures rise.
- The Interior sees temperature swings from -60°F to +90°F.
- Northern Alaska experiences the Midnight Sun and Polar Night.
Frequently Asked Questions
What caused the 1964 Alaska Earthquake?
It was a megathrust earthquake caused by the Pacific Plate subducting beneath the North American Plate.
Which part of Alaska has a maritime climate?
The southern coast and the Southeast Panhandle have a maritime climate with milder temperatures and heavy precipitation.
How many active volcanoes are in Alaska?
Alaska contains over 130 volcanoes and volcanic fields, with more than 50 having been active since roughly 1760.
What is the ‘Ring of Fire’?
A horseshoe-shaped zone around the Pacific Ocean basin characterized by frequent earthquakes and volcanic eruptions.
Why is permafrost significant?
It acts as a carbon sink and provides structural ground stability; thawing permafrost causes land subsidence and infrastructure damage.
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