What Does Hotspot Mean In Geography A hot spot is an area on Earth over a mantle plume or an area under the rocky outer layer of Earth called the crust where magma is hotter than surrounding magma The magma plume causes melting and thinning of the rocky crust and widespread volcanic activity 2018 eruption on Mount Kilauea
Hotspot region of Earth s upper mantle that upwells to melt through the crust to form a volcanic feature Most volcanoes that cannot be ascribed either to a subduction zone or to seafloor spreading at mid ocean ridges are attributed to hotspots Hot spot volcanism is unique because it does not occur at the boundaries of Earth s tectonic plates where all other volcanism occurs Instead it occurs at abnormally hot centers known as mantle plumes
What Does Hotspot Mean In Geography
What Does Hotspot Mean In Geography
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A hotspot in geography refers to a location where magma from the Earth s mantle rises to the surface resulting in the creation of volcanic landforms and the formation of volcanic rock In geology a hotspot refers to a specific area of the Earth s mantle from which unusually hot magma rises forming volcanoes on the surface These are not typically found at plate boundaries and appear to be stationary while the tectonic plates move over them
A frequently used hypothesis suggests that hotspots form over exceptionally hot regions in the mantle which is the hot flowing layer of the Earth beneath the crust Mantle rock in those extra hot regions is more buoyant than the surrounding rocks so it rises through the mantle and crust to erupt at the surface In geology a hotspot or hot spot is a portion of the Earth s surface which is volcanic This may be caused by a rising mantle plume or some other cause 2 Hotspots may be far from tectonic plate boundaries A volcanic hotspot is where magma pushes up from deep in the Earth s crust or mantle and creates a volcano The Earth s plates may move
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First postulated by J Tuzo Wilson in 1963 a hotspot is an area in the lithospheric plate where molten magma breaks through and creates a volcanic center islands in the ocean and mountains on land 82 As the plate moves across the hotspot the volcano center becomes extinct because it is no longer over an active magma source Hotspots are places where the magma rises up through the crust They are caused by a static source of magma often away from plate margins As the plate moves away from the hotspot a new volcano
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https://education.nationalgeographic.org › resource › hot-spots
A hot spot is an area on Earth over a mantle plume or an area under the rocky outer layer of Earth called the crust where magma is hotter than surrounding magma The magma plume causes melting and thinning of the rocky crust and widespread volcanic activity 2018 eruption on Mount Kilauea
https://www.britannica.com › science › hotspot-geology
Hotspot region of Earth s upper mantle that upwells to melt through the crust to form a volcanic feature Most volcanoes that cannot be ascribed either to a subduction zone or to seafloor spreading at mid ocean ridges are attributed to hotspots
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What Does Hotspot Mean In Geography - A hotspot in geography refers to a location where magma from the Earth s mantle rises to the surface resulting in the creation of volcanic landforms and the formation of volcanic rock
