Update from CNN : A second earthquake of magnitude 8.2 strikes off Sumatra, Indonesia, U.S. Geological Survey says.

SINGAPORE: Tremors from Indonesia’s 8.7-magnitude quake were felt in several parts of Singapore on Wednesday.

MediaCorp and the National Environment Agency have received calls from the public regarding the tremors.

Several callers said they felt the tremors over at Marine Parade, Beach Road, Bukit Panjang, Bendemeer Road, Farrer Road and Whampoa Road.

Tremors were also reported in Malaysia, Thailand and Southern India.

The Pacific Tsunami Warning Centre said an Indian Ocean-wide tsunami watch is in effect.

India has also issued a tsunami warning for its eastern coast after the Indonesian quake shook major Indian cities, causing panic and sending people fleeing onto the streets.