how volcanoes formed the hawaiian islands?

how volcanoes formed the hawaiian islands?
Volcanoes can also form in the middle of a plate, where magma rises upward until it erupts on the seafloor, at what is called a “hot spot.” The Hawaiian Islands were formed by such a hot spot occurring in the middle of the Pacific Plate. While the hot spot itself is fixed, the plate is moving.
Full answer in: oceanservice.noaa.gov
How long did it take for the Hawaiian islands to form?
The oldest island of Hawaii is Kauai which formed 5.1 million years ago, then Niihau which formed 4.9 million years ago, then Oahu, Hawaii's third largest island formed 3 and a half million years ago, followed by Molokai which was formed 1 and a half million years, then Maui, Hawaii's second largest island formed a ...
When were the Hawaiian islands formed by volcanoes?
The hotspot, which geologists estimate began producing the Hawaiian Islands 30 million years ago, is a plume of molten rock that rises through the mantle, the mostly solid layer between the crust and core.
Full answer in: www.smithsonianmag.com
Why are there so many volcanoes in Hawaii?
The current theory for why there are volcanoes in Hawaii relates them to a hotspot that may start in the liquid core of the Earth. This causes the overlying mantle to heat up and rise. ... The fact that these volcanoes are aligned is thought to be related to the movement of the surface or plate over the non-moving plume.
Full answer in: www.soest.hawaii.edu