Asia has been hit by over 20 earthquakes above a 2.5 magnitude in the last 24 hours, with four powerful ones in central and southeast Asia, according to the United States Geological Survey (USGS).

Newsweek has created a map showing where in Asia the U.S. has travel warnings in place. The U.S. State Department told Newsweek: "We have no higher priority than the safety and security of U.S.