"This thickened area is like a fossilized fingerprint of an ancient piece of seafloor that subducted into the Earth ...

Researchers showed that the 1995 Kobe (Hyogo-ken Nanbu) earthquake, which struck southern Hyogo Prefecture, may have been triggered by deep underground flooding beneath Arima Hot Springs. By analyzing ...

indicating upward fluid migration from sources along the subducting Pacific plate. The fluid-rich zones in the crust seem to coincide with some of the strike-slip faults of the region. Wannamaker ...

A possible source of the water is the oceanic tectonic plate, which is moving from beneath the Pacific and subducting toward greater depths beneath the Japanese archipelago. Seawater enters cracks ...