Supervolcano
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A supervolcano is a volcano that has had an eruption with a volcanic explosivity index of 8, the largest recorded value on the index. This means the volume of deposits for such an eruption is greater
Location of Yellowstone hotspot over time. Numbers indicate millions of years before the present.
Volcano, lake, and caldera locations in the Taupō Volcanic Zone
Lake Toba
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Lake Toba is a large natural lake in North Sumatra and Indonesia. The lake is the massive caldera of the Toba supervolcano. The lake is located in the middle of the northern part of the island of Suma
Supervolcano
…crust is unable to contain the pressure and ruptures. This can occur at hotspots (for example, Yellowstone Caldera) or at subduction zones (for example, Toba). Large-volume supervolcanic eruptions are also often associated with large igneous provinces, which can cover huge areas with lava and volcanic ash…
A view of Lake Toba and Samosir Island
Batu Gantung (Hanging stone) in Lake Toba
Batak canoes near Haranggaol on Lake Toba (circa 1920)
Ferry boats on Lake Toba