An earthquake of the magnitude 4.6 on the Richter scale struck Charcha region, 69 km from Ambikapur in Chhattisgarh, early on Friday, the National Center for Seismology (NCS) said.
The brief tremor was recorded at 00.56 am. There was no report of damage to life or property.
However, two employees of the South Eastern Coalfields Limited (SECL) suffered minor injuries when they fell while trying to move to a safer place on sensing the tremor inside an underground coal mine at Charcha in neighboring Korea district. Both are out of danger.
This is the second time this month that the district has reported an earthquake measuring above 4 on the Richter scale. On July 11, a 4.3 magnitude quake shook the same area.
Korea Collector Kuldeep Sharma it was a moderate category earthquake that did not cause any major destruction.