If the ocean floor had a nervous system, it might look something like this: thousands of miles of fiber-optic cables ...

Japan has developed an undersea warning system that can detect earthquakes 20 seconds before they reach land, significantly ...

Japan has completed the world’s most advanced undersea earthquake and tsunami detection system—3,500+ miles of fiber-optic ...

The “megathrust” earthquake’s undersea magnitude was 9.0, recorded as one of the worst in Japan’s history. It began on the Pacific seabed 45 miles away from the eastern coast of Japan, as reported by ...

Scientists detected a slow-motion earthquake off Japan, offering rare insight into hidden faults and tsunami risks beneath the seafloor.

Japan launches worlds first underwater earthquake early warning system with 6,000 km of fiber optics Japan unveils pioneering fiber optic network for seismic safety and disaster preparedness ...

A strong earthquake struck southwestern Japan, the U.S. Geological Survey said, prompting authorities to issue a tsunami advisory.

Japan faced a large-scale earthquake that eventually led to tsunami warnings. Get updates on the situation.

For those traveling through Japan’s Iwate prefecture, a visit to Takata Matsubara Memorial Park for Tsunami Disaster and the Iwate Tsunami Memorial Museum serves as more than a history lesson ...

Tsunami alert lifted after magnitude 6.6 earthquake rattles southwestern Japan Tsunami advisories were all lifted after about two hours.

Japan’s Meteorological Agency withdrew a tsunami advisory after a 6.9 magnitude earthquake occurred off the coast of southwest Japan.

A 6.9-magnitude earthquake rocked the southwestern part of Japan on Monday, Jan. 13, prompting a tsunami advisory to be issued, authorities said.