The Himalayas Haven't Stopped Growing
Unlike the Appalachians, which are decreasing in height, the Himalayas continue to rise. Much of their vertical growth is balanced out by limiting factors, including gravity, erosion, and even continued horizontal growth. The Nepal earthquake in April of 2015 caused some regions of the Himalayas to rise, while others fell by more than a meter (3.3 feet).
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Key Facts In This Video
The Himalayas formed when the Indian land mass collided with Asia, forcing the Asian land mass up. (0:40)
German meteorologist Alfred Wegener proposed the theory of continental drift in 1912. (2:15)
Mount Everest's peak reaches the highest elevation of any mountain's on Earth, but it is not the highest mountain if measured from base to peak. (3:54)