A powerful earthquake that struck Indonesia's Sulawesi island last week has killed at least 81 people and displaced more than 19,000, said the country's disaster mitigation agency, as search and rescue efforts continued on Monday.

The 6.2-magnitude quake, part of a string of disasters to hit the Southeast Asian archipelago in recent weeks, struck West Sulawesi in the early hours of Friday morning (Jan 15), sending thousands fleeing from their beds...