The Galapagos Islands are located on one
of the most active volcanic regions on earth:
the Nazca Plate. This plate moves eastward
towards South America because of the spreading
of the sea floor, at a rate of 7 cm/yr.
This plate moves over a stationary area
of intense heat or "hot spot" which "builds"
the islands. Thus, the oldest part of the
Archipielago is found at the east of the
cluster.
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