Japan has recorded a series of powerful aftershocks in the past several hours, including a magnitude 5.7 earthquake near the east coast of Honshu and a 4.9 earthquake in the Hokkaido region shortly ...

Japan is on alert after a magnitude 7.5 earthquake struck its northern regions late on Monday, prompting tsunami warnings and a rare government advisory about the possibility of a “megaquake” over the ...

Japan’s weather agency has issued its highest-level warning that a megaquake could follow Monday’s 7.5-magnitude tremor. Authorities urged anyone living near the Pacific coast to remain vigilant ...