Chennai: A 5.1 magnitude earthquake in the Bay of Bengal, over 300 km from here was reported on Tuesday, the National Center for Seismology said.

The quake, reported at 12.35 pm, was at a depth of 10 km in the Bay of Bengal and was about 296 km south-south east of Kakinada, Andhra Pradesh and 320 km east north east of Chennai, it said.