"Philippine authorities have just three to four hours after North Korea launches its rocket to warn people in coastal communities in northeastern Luzon to stay clear of the rocket’s projected path.
According to Maximo Sacro Jr., one of the founders of the Philippine Astronomical Society, it takes the booster three to four hours to fall in Philippine territory after it disengages from the rocket".
http://globalnation.inquirer.net/326...-rocket-launch