T he Japan Trench, a vast tectonic chasm along the Pacific Ring of Fire, is known for its extreme depth—stretching 5 miles below the ocean’s surface.Until now, this deep-sea environment has ...

Jussi Hovikoski and colleagues analyzed 20 sediment cores from 7.5 km depth across the Japan Trench of Holocene sediments. X-ray scanning was used to examine the structure of the sediment and ...

New scans of the bottom of the Japan Trench reveal extensive burrow structures and evidence of regular "reset" events that help sea creatures survive in the ocean's deepest reaches.

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 ...

The team sampled sediment cores from the Pacific Ocean’s Japan Trench off the coast of Honshu. The group studied the hadal zone—the deepest part of the ocean—at about 4.66 miles (7.5 ...

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 ...

It's located in the western Pacific Ocean near the Mariana Islands. The trench's depth was first measured during the Challenger expedition in 1875. But it wasn't until the 1950s that scientists ...