The earthquake that struck Indonesia on Sunday, December 7, occurred at a magnitude of 7.5, according to the US Geological Survey (USGS). The quake was centered about 100 kilometers (62 miles) south-southwest of the city of Palu on the island of Sulawesi, and it struck at a depth of 10 kilometers (6.2 miles), the USGS said.
The temblor was felt in the cities of Makassar and Palu on Sulawesi, as well as in the city of Manado on the island …