Question

The presence of a “hot spot” has been used to explain the formation of the Hawaiian island chain. Several of pieces of data do fit well with this theory: the big island of Hawaii is the largest and youngest island and still volcanically active, while islands further away from the big island become progressively smaller and older. How does this evidence support the hot spot theory of island formation (i.e. explain the theory of island formation via hot spots)?

Answer 1

The hot spots develop over the plum, as the magma generated by the hot spot rises through the rigid plates of lithosphere and leads to the production of the Earths surface. When these oceanic volcanoes move away from the hot spot, they cool and subside, which leads to the formation of older islands, atolls and seamounts.

The hawaiian islands were formed by such a hot spot which occured in the middle of the pacific plate. While the hotspot remians fixed, the plates are moving constantly. As the plates moved over the hot spot, this lead to the string of islands that make up the Hawaiian island chains.The hawaiian island chain were formed on a hotspot and major evidenve is that the age of the islands progress from oldest at one end of the chain to the youngest at the other end .

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