The estimate was made for a magnitude-9.1 earthquake in the Japan Trench, which stretches from off Tohoku to off Hidaka in Hokkaido, and a magnitude-9.3 earthquake in the Chishima Trench ...

The central government decided on Nov. 8 that in the event of a huge earthquake along the Japan Trench or the Chishima Trench, it will issue an alert warning of the potential for follow-up ...

Researchers are gearing up for a daring mission to Japan Trench — a geological hotspot that has triggered devastating ...

However, the 2011 Tohoku-oki earthquake was the first tremor to be comprehensively recorded by a complex network of seismic instruments plotted across the Japan Trench. The trench area --- a highly ...

The Nankai Trough is an 800km (500-mile) undersea trench between two tectonic plates in the Pacific Ocean. It runs parallel ...

Some 65 percent of Japan's municipalities tapped to strengthen disaster preparedness said they were confused about how to ...

It was filmed by an autonomous "lander" dropped into the Izu-Ogasawara Trench, south of Japan. The lead scientist said the snailfish could be at, or very close to, the maximum depth any fish can ...

The panel explains that these areas have high probabilities because massive earthquakes centering in the Chishima Trench, Japan Trench and the Nankai Trough have been occurring at intervals of a ...