An earthquake with a preliminary magnitude of 5.2 jolted areas surrounding Tokyo Bay early Thursday, including Chiba Prefecture and downtown Tokyo, leaving several people injured, according to the Japanese weather agency and local authorities.The 4:16 a.m. quake registered an upper 5 on the Japanese seismic intensity scale of 7 in Kisarazu and a lower 5 in Kimitsu, both in Chiba Prefecture, and a 4 in areas including Tokyo's Chiyoda and Shinagawa wards, according to the Japan Meteorological Agency. No tsunami warning was issued.The agency defines upper 5 as a situation where many people fin…READ FULL ARTICLE