Jakarta, Seo 19 (DPA) A strong earthquake registering 6.4 on the Richter scale struck off the Indonesian resort island of Bali Saturday morning, but there were no immediate reports of injury or damage, the Indonesian seismologist agency said.

The quake struck at 6:06 a.m. and was centred in the Indian Ocean, about 101 km south-east of Nusadua on Bali, Indonesia's National Meteorology and Geophysics Agency said.

It occurred 36 km beneath the seabed, but the quake did not trigger a tsunami.

There were no immediate reports of injuries or structural damage from the quake, the second strong earthquake to jolts Indonesia within several hours.

Another 6.4-magnitude quake struck eastern Indonesian islands on North Maluku province about five hours earlier on late Friday.