Earthquake measuring 5.1 on Richter scale struck Bay of Bengal near Chennai and several other parts of Tamil Nadu.
It was said that mild tremors were felt on Tuesday morning due to earthquake.
The moderate intensity earthquake which hit Bay of Bengal, around 600 km east-northeast of Chennai, was felt more in areas closer to coast at 7 am.
No tsunami warning has been given.
“There is no tsunami warning,” the official said, adding, more details will be provided later.
A few Twitter users said they felt mild tremors, while others said they did not feel anything.