A strong 7.6-magnitude earthquake hit deep under the ocean off Indonesia and East Timor on Tuesday.

According to the US Geological Survey, the epicentre of the quake was 427 kilometres south of the Indonesian island of Ambon at a depth of 95 kilometres.

Indonesia's Meteorology, Climatology and Geophysics Agency said the tremor was felt on the islands of Timor, Maluku archipelago, and Papua. There are no reports of damages so far.