By MUKTITA SUHARTONO, HASYA NINDITA and RIN HINDRYATI At least 47 people were killed in eastern Indonesia on Saturday after it was rocked by a 7.7 magnitude earthquake, one of the largest the region had experienced in decades, officials said. The earthquake hit just north of Flores Island, according to the U.S. Geological Survey, about 1,000 miles east of Jakarta, the capital. It caused several buildings to collapse on the island, and was one of the largest temblors to hit the area in more…