( CNN ) -- North Korea fired two short-range missiles off the coast of the Korean Peninsula early Wednesday , a South Korean Defense Ministry official said . North Korea did not declare a no-fly zone prior to the launch , the official said . No damage or injures were reported . The projectiles , assumed to be short-range ballistic missiles , flew more than 310 miles ( almost 500 kilometers ) , the official said . The official said the missiles were launched from North Korea 's western Hwanghae Province and flew northeast toward the water . North Korea through a Google Glass lens . Japanese Prime Minister Shinzo Abe has ordered his cabinet to look into the apparent launch . The Japanese government intends to lodge an official protest with the North Korean government . North Korea has carried out a series of missile and rocket launches into the sea in recent months , drawing criticism from South Korea , the United States and the United Nations . North Korea fires two short-range rockets into sea . Japan eases sanctions on North Korea after talks on abductions . North Korea preparing to prosecute 2 American tourists . CNN 's Yoko Wakatsuki and K.J . Kwon contributed to this report .
NEW : The projectiles are assumed to be short-range ballistic missiles . They flew more than 310 miles ( some 500 kilometers ) and landed in the sea, according to South Korean officials. It 's the latest in a series of rocket and missile launches by North Korea .