Torterra Migration
Hisui Region
The Sinnoh region as it is known today is the byproduct of an extreme volcanic event that occurred several hundred years ago when the region was known as the Hisui region. The entirety of the region lies between two convergent plate boundaries, with the regions bounded by subduction zones on both sides, and thrust faulting triggered by this subduction, particularly on the eastern side of the region, is responsible for creating Mt. Coronet and the mountainous terrain that surrounds it. Both of these subduction zones are known to have resulted in prominent volcanism in the past of the Hisui region, as the three lakes of legend in the region, Lake Verity, Lake Valor and Lake Acuity, are all volcanic crater lakes, with their rounded form and locations adjacent to these subduction zones being key factors in determining this. As noted by geographic location and structure, the site of the Sinnoh Victory Road is the remains of a once-active, and now extinct, stratovolcano, known in the Hisui region as Firespit Island, and there is evidence to support the hypothesis that the destruction of the Hisui region and its transformation into the Sinnoh region was caused by the eruption of a stratovolcano at the site of Stark Mountain, likely triggered by a local Heatran that lives within the active volcano and the subsurface geology of the area.
The eruption at Firespit Island caused a number of ecological disasters from ashfall, such as the tainting of the waterways of the region, which likely cut off the essential nutrients and metals needed for Pokémon like Hisuian Sliggoo, Goodra and Qwilfish, Overqwil and Ursaluna to thrive, while the ashfall also likely created climatic shifts that forced other Hisuian variants and humans alike out of their ecological niches. At the same time, however, the ashfall served as a potent fertilizer for the soil in the region and is likely what is responsible for the Sinnoh region being so much more heavily forested compared to the Hisui region. Likewise, this also broke down environmental obstacles that kept many populations of Pokémon in the Hisui region isolated in specific habitats from the rest of the region, allowing creatures like the members of the Turtwig family to spread out farther across the region to exude their ecological influence across a broader span of the region.
Modern Sinnoh Region
Torterra Migration
Jay Merrill
Created on October 15, 2022
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Transcript
Torterra Migration
Hisui Region
The Sinnoh region as it is known today is the byproduct of an extreme volcanic event that occurred several hundred years ago when the region was known as the Hisui region. The entirety of the region lies between two convergent plate boundaries, with the regions bounded by subduction zones on both sides, and thrust faulting triggered by this subduction, particularly on the eastern side of the region, is responsible for creating Mt. Coronet and the mountainous terrain that surrounds it. Both of these subduction zones are known to have resulted in prominent volcanism in the past of the Hisui region, as the three lakes of legend in the region, Lake Verity, Lake Valor and Lake Acuity, are all volcanic crater lakes, with their rounded form and locations adjacent to these subduction zones being key factors in determining this. As noted by geographic location and structure, the site of the Sinnoh Victory Road is the remains of a once-active, and now extinct, stratovolcano, known in the Hisui region as Firespit Island, and there is evidence to support the hypothesis that the destruction of the Hisui region and its transformation into the Sinnoh region was caused by the eruption of a stratovolcano at the site of Stark Mountain, likely triggered by a local Heatran that lives within the active volcano and the subsurface geology of the area.
The eruption at Firespit Island caused a number of ecological disasters from ashfall, such as the tainting of the waterways of the region, which likely cut off the essential nutrients and metals needed for Pokémon like Hisuian Sliggoo, Goodra and Qwilfish, Overqwil and Ursaluna to thrive, while the ashfall also likely created climatic shifts that forced other Hisuian variants and humans alike out of their ecological niches. At the same time, however, the ashfall served as a potent fertilizer for the soil in the region and is likely what is responsible for the Sinnoh region being so much more heavily forested compared to the Hisui region. Likewise, this also broke down environmental obstacles that kept many populations of Pokémon in the Hisui region isolated in specific habitats from the rest of the region, allowing creatures like the members of the Turtwig family to spread out farther across the region to exude their ecological influence across a broader span of the region.
Modern Sinnoh Region