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- 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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May 2, 2024 · hot spot, any one of several biodiverse regions which requires protection on the grounds that it hosts a significant number of endangered species. There are currently 36 biodiversity hot spots worldwide, home to almost two billion people and covering two-thirds of the planet’s mammal , reptile , bird , plant , and amphibian species while ...
Oct 19, 2023 · 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.
Scientists are only able to identify hotspots because of their relatively fixed locations beneath the tectonic plates, which produce tracks of surface volcanism spanning millions of years. Learn more: “Hotspots”: Mantle thermal plumes. The long trail of the Hawaiian hotspot. The Yellowstone Hotspot and Columbia River Basalts.
May 17, 2018 · hot spot • n. a small area or region with a relatively hot temperature in comparison to its surroundings. ∎ Geol. an area of volcanic activity, esp. where this is isolated. ∎ fig. a place of significant activity or danger: the hotel was the hot spot in town, with its all-night coffee shop. ∎ (also hot·spot) Comput.
Apr 10, 2024 · 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. The 5 percent of known world volcanoes not closely related to such plate margins (see plate ...
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1. : a place of more than usual interest, activity, or popularity. birding hot spots. 2. : a place in the upper mantle of the earth at which hot magma from the lower mantle upwells to melt through the crust usually in the interior of a tectonic plate to form a volcanic feature.
Jan 11, 2021 · What does an intraplate eruption look like? The Hawaiian Islands are formed from a hotspot beneath the Pacific Ocean. Volcanoes grow above the hotspot. Lava flows down the hillsides, and some of it reaches the ocean, causing the islands to grow. Too hot now, but a great place in the future for beach lovers! Volcanic Hotspots.
