TOKYO, June 3 (Xinhua) -- An earthquake with a preliminary magnitude of 5.9 jolted off Japan's Noto region in Ishikawa prefecture early Monday, the country's weather agency said.
No tsunami warning was issued by the authorities.
On Jan. 1, a series of strong quakes of up to 7.6 magnitude rattled the Noto region and its vicinity and triggered a tsunami. ■