M5.4 quake shakes Tokyo and surrounding prefectures; no tsunami warning issued

Tokyo and surrounding prefectures were shaken early Thursday morning by a magnitude 5.4 earthquake in northeastern Chiba Prefecture.

The earthquake occurred at 12:07 a.m. at a depth of 50 kilometers in the town of Yokoshibahikari, according to the Japan Meteorological Agency, registering lower five on Japan’s seven-point shindo seismic scale. No tsunami alert was issued.

The government established an information liaison office at the Prime Minister’s Office at 12:11 a.m. to gather information and assess damage, NHK reported.

Chiba Prefectural Police had received no reports of damage or injury caused by the quake as of 12:20 a.m. and were continuing to monitor the situation, according to NHK.