How do lava tubes form, and why are they common in hotspot volcanic fields?

Mantle plumes and volcanic hotspots, distribution of hotspots, distribution of hotspots (Credits: K. Cantner, Earth Magazine), hotspot volcano chain Reunion. Hot-spot volcanism. Volcanoes can also form above a column of superheated magma called a mantle plume. This may happen in areas that are distant from plate ... Although most volcanic rocks are generated at plate boundaries, there are a few exceptionally active sites of volcanism within the plate interiors. These ... But a significant number of volcanoes (think Hawaii) are mid-plate “hotspot” volcanoes. ... hotspots like the Yellowstone super volcano? Not really. It ... Aug 13, 2012 ... History of Yellowstone's Supervolcano · How the Yellowstone Caldera Formed · Testing the Volcano Mantle Plume Theory with Corn Syrup. Mar 23, 2023 ... Hotspot volcanoes can produce very large volumes of lava and have an important role in Earth's evolution and atmosphere. Today, famously active ... The Iceland hotspot and mighty geological phenomena. Iceland sits spanning the Mid-Atlantic Ridge tectonic plate boundary which separates the Eurasian and ... 2. How does magma get to the Earth's crust to create a hotspot volcano? · Magma travels to Earth's surface through an upward tunnel from deep within Earth. 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 ... Feb 24, 2012 ... Summary · Volcanoes grow above hotspots, which are zones of melting above a mantle plume. · Hotspot volcanoes are better able to penetrate oceanic ...