Final answer:
The collision between the Indian and Eurasian Plates created the Himalayan Mountains and the Tibetan Plateau, among other features. The process caused an uplift that continues to raise the Himalayas annually and shaped the region's seismic activity.
Step-by-step explanation:
The geologic features that were created in the Eurasian Plate when India underthrust beneath it are primarily represented by the formation of the Himalayan Mountains, the highest mountain ranges in the world. This colossal mountain formation is a result of the Indian Plate colliding with the Eurasian Plate, a process that began around 70 million years ago. The pressure from tectonic action against these plates has caused the Himalayas' elevation to increase by one to five millimeters per year. Furthermore, the region is also known for its seismic activity, leading to frequent destructive earthquakes and tremors. Another significant feature is the vast Tibetan Plateau, often referred to as the 'Roof of the World' due to its high elevation averaging 15,000 feet, making it the largest plateau region globally.
The process of the collision has not only produced the iconic Himalayas but also various geological structures, such as the Trans Himalayan batholith, Kohistan arc, and Indus suture zone, among others. Each of these features is delineated by either a thrust or normal fault, indicative of the intense tectonic forces at play during the formation of these mountain ranges.