A powerful undersea earthquake that struck off the Indonesian islands of Sumatra and Java has killed four people and damaged hundreds of buildings, the nation's disaster agency said on Saturday, Independent reports.
Indonesia issued a tsunami warning within minutes of the 6.8-magnitude quake on Friday night. The warning lasted two hours and sent people living along the coastline fleeing to higher ground.
The strong quake was felt in the capital Jakarta and people rushed out of high-rise buildings.
Four people died, some of heart attack or fatigue, as people rushed away from the coastline, Agus Wibowo, spokesperson for the disaster mitigation agency, told a news briefing.
Four others were injured and more than 200 buildings were damaged by the quake, he said.