What is the Ring of Fire and how does it relate to earthquake distribution across the globe?
The Ring of Fire is an area in the Pacific where volcanic eruptions and earthquakes often occur.
The Nazca Plate is being subducted below the South American Plate. Some of the Pacific Plate is sliding below the North American Plate. The Juan de Fuca Plate is being subducted below the North American Plate.
You can read more about the Ring of Fire at National Geographic's site here.