Hot spots in the asthenosphere are not associated with a tectonic plate boundary.
Hot spots are areas on the Earth over a mantle or under the crust where the magma is hotter than the surrounding areas. Hot spots are not associated with tectonic plate boundaries because hot spots occur in the middle of plates, which a lot of times is about thousands of kilometers away from the boundary of the tectonic plates. Hot spots are formed by a process heat rises by a process called convection from deep within the Earth's mantle. This heat causes the rocks to melt in the lithosphere. Hot spots are not related to tectonic boundary, and are formed when a plate moves over a hot part of the Earth's mantle.
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