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 ...

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 ...

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

Public broadcaster NHK TV said a tsunami, estimated to be as high as 1 meter (3.2 feet) high, reached land within 30 minutes of the quake. The waters detected at Miyazaki Port measured 20 ...

Japan issued a tsunami advisory after a magnitude 6.6 earthquake struck the southwest of the country, country's Meteorological Agency said Monday. The public warnings to stay away from coastal ...

Japan’s Meteorological Agency withdrew a tsunami advisory after a 6.9 magnitude earthquake occurred off the coast of southwest Japan. The quake struck shortly after 9:19 p.m. local time (7:19 a ...

TOKYO (AP) — Japan issued a tsunami advisory on Monday after a magnitude 6.6 earthquake struck the southwest of the country. The public warnings to stay away from coastal areas were later lifted.