Mumbai: Maharashtra Chief Minister Prithviraj Chavan on Wednesday said that there was no Tsunami threat in Mumbai after an earthquake of 8.9 magnitude hit waters off western coast of northern Sumatra in Indonesia.

Talking to reporters, Chavan said an alert has been received from Hyderabad-based centre for National tsunami warning as a precaution.

"The alert will continue till further instructions are received. But, there is no threat in Mumbai," he added.

 Earlier, the Met department here said an earthquake measuring 3.4 on the Richter scale was recorded in the Arabian Sea.

"The shock registered at 18.6 degree latitude and 71.3 degree longitude in the Arabian Sea," Met department director Rajeev Nair said. The epicentre was 155 km from Mumbai, he said.

Also, there were reports of tremors being felt in some parts of North Mumbai but the Met department said these could not be verified so far.