Question

Image courtesy USGS
The rings on the map above show the locations of recent earthquakes off the coast of Asia and Australia. What can be inferred from the locations of these earthquakes?
A.
The earthquakes show the border of a tectonic plate.
B.
Earthquakes can only occur in the Pacific Ocean.
C.
The earthquakes only occur because volcanoes are present.
D.
Earthquakes in the Pacific Ocean all have similar magnitudes.

Answer 1

A.
The quakes line up along plate boundaries (the Pacific "Ring of Fire"), where plates interact and cause frequent earthquakes.