The Pacific Ring of Fire accounts for approximately what percentage of the world's earthquakes?

What is the Korean term for the division of the Korean peninsula, referring to the tragic separation of a homogenous people?

In which year did Japan's most destructive recent earthquake and tsunami, which triggered the Fukushima nuclear disaster, occur?

The Korean War ended in 1953 with an armistice agreement. Technically, North and South Korea are in what state today?

Which South Korean city served as the main host for the 2002 FIFA World Cup, co-hosted with Japan?

Mount Paektu, the highest peak on the Korean peninsula and a sacred symbol in both North and South Korean culture, sits on the border between North Korea and which other country?

Japan's Okinawa island chain stretches southwest towards which country?

In which city were the 1988 Summer Olympics held?

South Korea's tech-driven economic transformation from the 1960s onward is often called what?

Mount Pinatubo, which produced one of the largest volcanic eruptions of the 20th century in 1991, is located in which country?