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Hotspot volcanoes are considered to have a fundamentally different origin from island arc volcanoes. The latter form over subduction zones, at converging plate boundaries. When one oceanic plate meets another, the denser plate is forced downward into a deep ocean trench.
The HawaiĘ»i hotspot is a volcanic hotspot located near the namesake Hawaiian Islands, in the northern Pacific Ocean.One of the best known and intensively studied hotspots in the world, [1] [2] the Hawaii plume is responsible for the creation of the Hawaiian–Emperor seamount chain, a 6,200-kilometer (3,900 mi) mostly undersea volcanic mountain range.
The Galápagos hotspot is a volcanic hotspot in the East Pacific Ocean responsible for the creation of the Galápagos Islands as well as three major aseismic ridge systems, Carnegie, Cocos and Malpelo which are on two tectonic plates. The hotspot is located near the Equator on the Nazca Plate not far from the divergent plate boundary with the ...
The Louisville hotspot may have helped create the Ontong Java Plateau, the world's largest oceanic plateau, around 120 million years ago. The modelled locations of the plateau and hotspot at the time do not coincide under one recent plate reconstruction, arguing against this, although other factors mean their linkage may still be possible. [6]
The Macdonald hotspot has been grouped into the Pacific Ocean's Hotspot highway. The Macdonald hotspot (also known as "Tubuai" or "Old Rurutu" [1]) is a volcanic hotspot in the southern Pacific Ocean. The hotspot was responsible for the formation of the Macdonald Seamount, and possibly the Austral-Cook Islands chain. [2]
The network enables Oceanic Time Warner Cable Internet customers to access the hotspots operated by TWC and other cable companies in major cities across the country including New York City, Los ...
There is an ongoing discussion about whether the hotspot is caused by a deep mantle plume or originates at a much shallower depth. [3] Recently, seismic tomography studies have found seismic wave speed anomalies under Iceland, consistent with a hot conduit 100 km (62 mi) across that extends to the lower mantle.
A portion of the track of the New England hotspot. The westernmost white dot is Mont Royal in Montreal. The white dot just off the continental shelf is the Bear seamount. The New England hotspot, also referred to as the Great Meteor hotspot and sometimes the Monteregian hotspot, is a volcanic hotspot in the North Atlantic Ocean.