A strong 6.5 magnitude earthquake struck off the Indonesian coastal city of Sabang in the Aceh province, the US Geological Survey reported, following a 6.2 magnitude earthquake in the Indian Ocean.
The earthquake took place at 1141GMT Monday at a depth of 10 kilometers (6.2 miles), the USGS said.
The earlier 6.2 magnitude quake took place at 1841GMT at a depth of 10 kilometers (6.2 miles), the German Centre for Georesearch (GEOFON) said.
No tsunami warning was issued, and no deaths or structural damage have been reported so far.
