How do impact events potentially trigger or influence volcanic activity, including at hotspots?

Shield volcanoes are built almost entirely of low viscosity (very thin, liquidity) fluid lava flows. Flow after flow pours out in all directions from a central ... It is a type of unique volcanism because most frequently volcanoes develop in the boundaries of tectonic plaques. The best well known examples of hotspot ... The hotspot is fixed, so as the plates move, the first volcano moves away from the source of magma, and then becomes extinct. A new volcano forms over the ... The Hawaiian Islands are the youngest volcanic mountains in a long chain of volcanoes that formed over a hotspot. They are still forming today. Another hot spot ... Volcanoes grow above hotspots. A hotspot is a zone of melting above a mantle plume. · Hotspot volcanoes are better able to penetrate oceanic crust than ... Aug 12, 2024 ... Volcanic hotspots are how the Hawaiian Islands were formed. Many volcanoes form at tectonic plate edges, but some erupt from a stationary point ... May 10, 1995 ... Here we show that recent estimates for the volume of hotspot volcanism and the size of the swell suggest a shared origin: swell relief is ... Oct 29, 2013 ... This discovery helps to explain how “hotspot volcanoes”—the kind that give birth to island chains like Hawaii and Tahiti—come to exist ... Jan 1, 2020 ... Island lifetime depends on the rate and magnitude of island subsidence, which, in turn, depends on the dynamics of the oceanic lithosphere and ... Hotspots at the seafloor create subsea volcanoes; building upward, they ultimately become volcanic islands. Hotspots are stationary but the crusts above them ...