A powerful earthquake measuring 6.2 struck a mountainous location in southern Kyrgyzstan on the border with Uzbekistan early today, according to the US Geological Survey, nzherald.com reports. No casualties or serious damage were immediately reported from the temblor, which hit at about 1:35 a.m. local time in an area some 35 kilometres away from the Uzbek city of Ferghana, which has a population of more than 200,000.