Tokyo, one of the world's most densely populated megacities, sits on a highly active seismic zone where the threat of major earthquakes is ever-present. One of the most destructive aspects of seismic ...

A massive earthquake that struck off the Japanese coast Saturday evening does not appear to pose a tsunami threat, but it rattled dwellers in Tokyo and others in the Pacific Rim, where seismic ...

Tokyo: Japan was rattled late on Saturday night after an earthquake measuring 6.0 struck near the country’s east coast, the ...

As catastrophic as the 2011 northern Japan quake and tsunami was—killing more than 15,000 people and causing more than $200 billion in economic damages—in a way, the country was lucky. Tokyo, a city ...

a Nuclear and Industrial Safety Agency official said in Tokyo. The setback showed how tenuous the situation remains nearly two weeks after the March 11 earthquake and tsunami knocked out power to the ...

This map depicts the predicted types of soil in Tokyo with an unprecedented level of detail. Such maps are essential for urban planning and earthquake risk assessment, as they reveal areas that are ...