If the ocean floor had a nervous system, it might look something like this: thousands of miles of fiber-optic cables connected to sensors set atop the fault lines where Japan’s earthquakes begin.

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 ...

The Japan tsunami was detected by radar in Japan and California, the first time a tsunami has been detected by radar. The study teams hopes their work could lead to new early warning systems.

NOAA’s tsunami sensors went down ahead of 10th anniversary of Japan’s Tohoku disaster Powerful waves set in motion by the magnitude-9.0 quake that struck Japan on March 11, 2011, damaged the ...

In the 10 years since the Great East Japan Earthquake and tsunami of March 11, 2011, scientists have sought answers to a variety of questions relating to the deadly tsunami that began tearing ...

The United States’ predominant tsunami detection system suffered a nearly week-long outage this month, overlapping with the 10-year anniversary of Japan’s Tohoku tsunami, which left tho… ...

Japan has dropped its highest-level tsunami alert, issued following a series of major earthquakes on Monday. But it is telling residents of coastal areas not to return to their homes as deadly waves c ...

Japan dropped its highest-level tsunami alert, issued following a series of major earthquakes, but told residents of coastal areas not to return to their homes as deadly waves could still come.