The first one, a magnitude 2.4, occurred around 2:11 a.m. about 42 kilometers off the coast of the southeastern city of Ulsan, while the following magnitude 2.1 quake happened around 12:10 p.m. in the central city of Nonsan, the Korea Meteorological Administration said.
"For both quakes, there were no reports that they were felt," a KMA official said. "We believe there's been no damage from these quakes." Source by the Yonhap News Agency.
