A research team in Japan has warned that unreleased stress energy at an undersea trench off northern Japan has become large enough to possibly trigger a magnitude 9-level mega-quake.

A Japanese government panel also predicted that an earthquake with a magnitude of 8.8 could occur near the trench within 30 ...

Analyses of sediment cores from the Pacific Ocean's Japan Trench, presented in Nature Communications, uncover evidence of burrowing and feeding activity of these deep-sea dwellers. The Hadal Zone ...

According to a recent estimate, if a magnitude-9 quake hits the Japan Trench in winter late at night, some 199,000 people would die. If it occurs in the Chishima Trench, it projected that 100,000 ...

The government was urged to amend a special law enacted in 2004 to prepare the public for a megaquake in either the Japan Trench that is part of the Pacific Rim of Fire off northeastern Japan or ...