A moderate earthquake of 4.6 magnitude hit some parts of Korea district in north Chhattisgarh in the wee hours of Friday, officials said. Two employees of South Eastern Coalfields Limited (SECL) suffered minor injuries when they fell while trying to move to safety on sensing the tremor inside an underground coal mine in the district.

This is for the second time this month that the district has reported earthquake of above-4 magnitude. On July 11, a 4.3 magnitude earthquake had hit the same area in the district