Seoul, Aug 21, 2021, SPA -- A 4.0 magnitude earthquake struck waters off South Korea's southwestern coast Saturday morning, with no damage reported, the weather agency said. The quake occurred in waters about 123 kilometers southwest of Gunsan, North Jeolla Province, at 9:40 a.m., according to the Korea Meteorological Administration (KMA). The epicenter was at 35.72 degrees north latitude and 124.7 degrees east longitude, the KMA said. --SPA 13:48 LOCAL TIME 10:48 GMT 0008 www.spa.gov.sa/w1605266