More than 900 earthquakes have rocked the Tokara island chain in southern Japan over the past two weeks, according to Japan ’s meteorological agency, raising fears among residents and prompting authorities to urge preparedness. The seismic activity, which began on June 21, has been described as ... The number of people killed in a powerful earthquake in Japan which caused homes to collapse and triggered tsunami warnings is now known to be 48 Japan 's prime minister, Fumio Kishida, says the ... All seismic activity of 3 or higher on the Japanese scale in the past 30 days, with maps and detailed information. More than 900 earthquakes have shaken a remote and sparsely populated island chain in southern Japan over two weeks, keeping residents anxious and awake all night. Seismic activity has been "very ...