Name of the landform: Hot spots or Hot spot volcanoes
Description: Hot spots cannot be seen from our view as it is within the mantle where rocks melt to generate magma. It has a volcanic centre from approximately 60 to 120 miles wide.
Formation: Hot spots are places within the mantle where rocks melt to create magma, the hot spots develops beneath continents. They provide local source of high heat energy, called thermal plumes, to keep the volcanism. The magma is lighter than the rock around it, rises through the mantle and crust, onto the seafloor, forming an active seamount. Over years causes the seamount to grow until it emerges above sea level to form an island volcano. Once the island volcano becomes extinct, another develops over the hot spot, and repeats.
Association: They are not connected to arcs or ocean ridges but commonly are. Hot spots are associated with plumes of molten rock rising from the deep within the Earth’s mantle. The hot spot plumes melt through the tectonic plate and supply magma to seamounts. Hot springs are known to lie above hot spots, such as in Hawaii and in Yellowstone National Park.
Geysers like Old Faithful erupt, shooting out water at regular intervals. The groundwater circulates 1 kilometer or more, through the Earth's crust and becomes heated. This water travels up to a geyser reservoir and mixes with the cooler water from shallow groundwater in the reservoir.
Age: Lasts around tens of million of years. Eventually the tectonic plate carries the volcano off the magma supple and becomes cool. The plate below the volcano and above the hot spot cools as well. As the volcano and plate eventually calm down, it becomes extinct.
Location: Hawaii, Réunion, Yellowstone, Galápagos, and Iceland are some of the currently most active volcanic regions to which hot spots exist. The Hawaiian Islands are the top of volcanic mountains formed by the countless eruptions of fluid lava, at the height of 30,000 feet above the seafloor. The amount of lava is about 186,000 cubic miles coming from the ridge that goes between the islands of Hawaii for about 1,600 miles.
Description: Hot spots cannot be seen from our view as it is within the mantle where rocks melt to generate magma. It has a volcanic centre from approximately 60 to 120 miles wide.
Formation: Hot spots are places within the mantle where rocks melt to create magma, the hot spots develops beneath continents. They provide local source of high heat energy, called thermal plumes, to keep the volcanism. The magma is lighter than the rock around it, rises through the mantle and crust, onto the seafloor, forming an active seamount. Over years causes the seamount to grow until it emerges above sea level to form an island volcano. Once the island volcano becomes extinct, another develops over the hot spot, and repeats.
Association: They are not connected to arcs or ocean ridges but commonly are. Hot spots are associated with plumes of molten rock rising from the deep within the Earth’s mantle. The hot spot plumes melt through the tectonic plate and supply magma to seamounts. Hot springs are known to lie above hot spots, such as in Hawaii and in Yellowstone National Park.
Geysers like Old Faithful erupt, shooting out water at regular intervals. The groundwater circulates 1 kilometer or more, through the Earth's crust and becomes heated. This water travels up to a geyser reservoir and mixes with the cooler water from shallow groundwater in the reservoir.
Age: Lasts around tens of million of years. Eventually the tectonic plate carries the volcano off the magma supple and becomes cool. The plate below the volcano and above the hot spot cools as well. As the volcano and plate eventually calm down, it becomes extinct.
Location: Hawaii, Réunion, Yellowstone, Galápagos, and Iceland are some of the currently most active volcanic regions to which hot spots exist. The Hawaiian Islands are the top of volcanic mountains formed by the countless eruptions of fluid lava, at the height of 30,000 feet above the seafloor. The amount of lava is about 186,000 cubic miles coming from the ridge that goes between the islands of Hawaii for about 1,600 miles.