"Obviously we are following the situation closely. We are in contact with all the countries concerned," the IOC told AFP on Monday.
Pyongyang launched its largest-ever weapons test on Sunday, firing a hydrogen bomb that was felt in Chinese cities hundreds of kilometres from the North's border.
Preparations for the Winter Olympics which take place from February 9-25 "were continuing as scheduled", the IOC said.
The South and the nuclear-armed North are separated by one of the world's most heavily-armed borders and remain technically at war after the Korean War ended with armistice in 1953 instead of a peace treaty. Pyongyang boycotted the 1988 Olympics in Seoul.
Tensions are high on the peninsula over the North's missile and nuclear weapons programmes, which have shown significant progress in recent years under leader Kim Jong-Un.
Disclaimer: No Business Standard Journalist was involved in creation of this content
