The Puyuma Express train came off the rails shortly before 5pm local time.
South Korean President Moon Jae-in has told the BBC that it is only a matter of time before the US and North Korea declare an end to their state of war on the Korean peninsula.
A shallow 6.0-magnitude earthquake struck off the coast of the Indonesian islands of Java and Bali early on Thursday (Oct 11), the United States Geological Survey (USGS) said, causing panicked people to flee their homes.
North Korean leader Kim Jong-un has invited Pope Francis to visit the country, South Korea's presidential office has announced.
More than 800 people have died and many remain missing, some trapped in the debris of collapsed buildings in the city of Palu.
More than 400 people have been confirmed dead after a tsunami triggered by a magnitude 7.5 earthquake hit an Indonesian city on Friday.
A passenger aircraft has come down in a lagoon off Chuuk International Airport in Micronesia after it missed the runway, airport officials say.