Final answer:
The largest earthquake belt in the world is known as the Ring of Fire and it is responsible for about 90% of the world's earthquakes.
Step-by-step explanation:
The largest earthquake belt in the world is known as the Ring of Fire. It is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. The Ring of Fire is responsible for about 90% of the world's earthquakes, including some of the largest and most destructive ones.