A large earthquake with a preliminary magnitude of 8.0 struck the Amazon jungle in north-central Peru early Sunday, the U.S. Geological survey reported, collapsing buildings and knocking out power to some areas. The quake struck at 12:41 a.m. PDT, 47 miles southeast of the village of Lagunas and 57 miles east of the larger town of Yurimaguas. The epicenter was 68 miles below the surface. In a tweet, President Martín Vizcarra called for calm and said that authorities were checking the affected areas. The mayor of Lagunas, Arri Pezo, told local radio station RPP that the quake was felt very...