Answer:
When these two enormous plates rub, segments of the earth's crust are thrust upward, creating Iceland's volcanic geography.
Step-by-step explanation:
Straddling the Mid-Atlantic Ridge, Iceland is a hotbed of seismic activity. The eastern territories sit on the European tectonic plate, while the western side is on the North American plate. When these two enormous plates rub, segments of the earth's crust are thrust upward, creating Iceland's volcanic geography.