An earthquake with a magnitude of 6.5 rattled northeastern Japan on early Monday, but no tsunami warning was issued, the weather agency said.Related coverage:M5.5 quake hits northeastern Japan, no tsunami warning issuedThe quake at 2:23 a.m. with its focus at a depth of 43 kilometers off Aomori Prefecture registered lower 5 on the Japanese seismic intensity scale of 7 in Morioka, Iwate Prefecture, a level of shaking described as frightening to many people and creating a need to hold onto something stable, the Japan Meteorological Agency said.The strength of the temblor was revised upward fr…READ FULL ARTICLE