A 6.4-magnitude earthquake was recorded on Monday in Turkey's southern province of Hatay, the hardest hit by a February 6 tremor which left more than 41,000 dead in the country, the disaster response agency Afad said.

The quake hit the town of Defne at 8:04 pm (1704 GMT) and was strongly felt by people in Antakya and Adana, 200 kilometres to the north.

An eyewitness reported scenes of panic, adding that the new tremors raised clouds of dust in the devastated town.

The walls of badly damaged buildings crumbled while several people, apparently injured, called for help.

According to Afad, more than 6,000 aftershocks have been recorded since the 7.8-magnitude quake hit Turkey and Syria. (AFP)