Question

The map shows several volcanoes in the middle of the Pacific Ocean that are not part of the Ring of Fire. How are these volcanoes different?


They form when two plates collide rather than when two plates separate.


They form when two plates slide past each other rather than when two plates collide.


They form when magma breaks through the middle of a plate rather than at plate boundaries.


They form when magma escapes through plate boundaries rather than in the middle of a plate.

Answer 1

They form when magma breaks through the middle of a plate rather than at plate boundaries. (These are hotspot volcanoes — mantle plumes that create islands like Hawaii as the plate moves over a fixed hotspot.)