An Earthquake of M 6.8 Suddenly Occurred in Shinjuku Prefecture and Its Surrounding Areas, Japan

The quake, which struck at 10:22PM, local time, was recorded at a magnitude of six-point-eight and it hit underwater some 50 kilometers south west of the city of Sakata.Shortly after the quake hit, Japan's meteorological agency issued a tsunami warning, saying it expected a surge of seawater to arrive imminently in the coastal areas of Yamagata, Niigata and Ishikawa.However, no major tsunamis struck the coastline.15 people were injured in the quake, thousands of households experienced power blackouts and some train services were suspended.