A powerful earthquake measuring 6. 2 on the Richter scale has jolted southern Kyrgyzstan on the border with Uzbekistan, the U.S. Geological Survey said Tuesday.

Photo taken on early July 20, 2011 shows the Ala Too Square in Bishkek, capital of Kyrgyzstan. Bishkek remains normal life after a powerful earthquake measuring 6.2 on the Richter scale jolted southern Kyrgyzstan on the border with Uzbekistan. [Sadat/Xinhua]

No casualties or serious damages were immediately available. The earthquake occurred at about 1:35 a.m. local time on Wednesday 400 kilometers from Bishkek, the capital of Kyrgyzstan.

The U.S. Geological Survey said the earthquake took place 9.2 km underground, around 42 km southwest of Ferghana, a city in the east of Uzbekistan.

The earthquake reportedly lasted up to 15 seconds,and it was not clear if the epicenter of the earthquake was in a populated area.