An earthquake with a preliminary magnitude of 5.1 struck Nagano Prefecture in central Japan on Friday, with no tsunami warning issued, according to the weather agency.No severe injuries or damage to buildings were reported following the 8:19 p.m. quake that jolted the northern part of the prefecture, the local government said. However, up to 100 households experienced power outages, including in the city of Nagano.The quake, which occurred at a depth of approximately 13 kilometers, measured a lower 5 on the Japanese seismic intensity scale of 7. The Japan Meteorological Agency initially put…READ FULL ARTICLE