'We've received reports of mild tremors from different parts of the state. Our seismological cell is looking into the matter now,' said an official of the Regional Meteorological Centre in Kolkata.

According to preliminary reports, the earthquake was felt in south Bengal districts, Malda and some parts of Darjeeling.

Munggar District Magistrate Sherab Tenzin said: 'There have been no immediate reports of any loss of life or injuries but a number of houses, schools and other structures have been damaged. All these structures are made of mud and stones with tin roofs.'

He said police and other rescue teams have been sent to the region to assess the damage.