A powerful 6.5 earthquake hit the western Indonesian island of Sumatra on Thursday. The epicenter of the quake was about 40km (25 miles) from the coast, according to the US Geological Survey. Padang, the largest city on the island’s western coast, is located some 141 kilometers (87.6 miles) from the epicenter of the earthquake, according to USGS. It is home to about 1 million people.

The city closest to the epicenter is Sungai Penuh, some 91 kilometers (56.5 miles) from the epicenter, with a population of 90,000. Tremors were reportedly felt as far away as in Singapore, located some 531 kilometers (330 miles) from the quake. Some Singapore residents tweeted they felt the ground shake. READ MORE