First official megaquake warning issued after 23 hurt by rare 7.5-magnitude tremor - Nuclear power plants urgently carry out checks and at least 90,000 people evacuated

Quake of 6.5 magnitude strikes Hokkaido region in Japan, EMSC says

According to reports, another offshore megaquake in the Hokkaido-Sanriku area of Japan could cause up to a 98-foot tsunami in the region, kill as many as 199,000 people, destroy up to 220,000 houses a...