A powerful 7.6 magnitude earthquake off Japan’s northern coast triggered a tsunami alert for Hokkaido, with waves reported up to 40 cm, as authorities warned of possible larger waves earlier. #JapanQuake #Earthquake #TsunamiAlert #Hokkaido #JapanNews #SeismicActivity #SafetyUpdate #nltv #nltvnews . FOLLOW NLTV NEWS: Facebook: https://www.facebook.com/NLTVNews Instagram: https://www.instagram.com/nltvnews/ Twitter: https://twitter.com/NewsNltv Subscribe to our channel '#NLTV', A Satellite Channel for Exclusive Nagaland News : https://bit.ly/3ww2xFx