A very small percentage of all earthquakes occur ____. along the east coast of E
ID: 157545 • Letter: A
Question
A very small percentage of all earthquakes occur ____.
along the east coast of East Asia in the Pacific Ocean
along the Circum-Mediterranean Belt
along the west coast of South America
along the Mediterranean-Asiatic Belt
within the interiors of plates and spreading-ridge systems
a.along the east coast of East Asia in the Pacific Ocean
b.along the Circum-Mediterranean Belt
c.along the west coast of South America
d.along the Mediterranean-Asiatic Belt
e.within the interiors of plates and spreading-ridge systems
Explanation / Answer
e. within the interiors of plates and spreading-ridge systems
Subduction zones are found where one plate overrides, or subducts another, pushing it downward into the mantle where it melts. An example of a subduction-zone plate boundary is found along the northwest coast of the United States, western Canada, and southern Alaska and the Aleutian Islands. Subduction zones are characterized by deep-ocean trenches, shallow to deep earthquakes, and mountain ranges containing active volcanoes. Earthquakes can also occur within plates, although plate-boundary earthquakes are much more common.
Less than 10 percent of all earthquakes occur within plate interiors
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