Five dead after 7.7 magnitude earthquake strikes Indonesia

But it will take time to assess the full extent of the destruction in the region, which is remote and mountainous. The country's national disaster mitigation agency, known as BNPB, advised people to remain calm and stay away from coastal areas."Residents should also avoid entering buildings, especially those that have already sustained cracks or structural damage," BNPB said. "A rapid assessment is currently underway to determine the number of casualties and the extent of the impact. We will provide that information after the data has been verified."Getty ImagesAbout 2,000 residents in Nagekeo were evacuated with damage reported to a number of buildings.Arnold Welianto, who lives in Talibura village, Sikka, East Nusa Tenggara, told the BBC that he was still asleep when he felt the "very strong shaking"."I was startled awake and immediately went to my child's room," he said.