The 7.5 magnitude quake on Sept. 28 brought down many buildings in the small city on Sulawesi island, 1,500 km (30 miles) northeast of Jakarta, while tsunami waves smashed into its beachfront. No one knows how many people are missing, especially in the areas hit by liquefaction, but it could be as high as 5,000, the national disaster agency said. The students found out that they had to turn up to school through messages on Facebook and WhatsApp.
