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 ...

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

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 ...

“With our current scientific knowledge, it’s difficult to predict the exact time, place or scale of an earthquake,” said ...

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 is facing the risk of a possible "megaquake," which could cause a dangerous tsunami.

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

Japan issued a tsunami warning Thursday after a 7.1-magnitude earthquake struck off the southern island of Kyushu.

A 7.1 earthquake hit southwest Japan, according to USGS. It was recorded about 15 miles deep, 12 miles southeast of Miyazaki.