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

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

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 ...

A 4.4 magnitude earthquake near Jhajjar was felt across Delhi-NCR on Thursday highlighting the region's seismic risk and lack ...

Japan has avoided that problem by connecting its land-based instruments to large, more reliable cables on the seafloor near its eastern coast, a high-risk tsunami area. Canada also operates an ...

The initial tsunami wave created by the eruption of the underwater Hunga Tonga Ha'apai volcano in Tonga in January 2022 reached 90 metres in height, around nine times taller than that from the ...

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… ...

Tsunami warnings were also issued for parts of North Korea and Russia. A staff member of Japan Meterological Agency speaks at a press conference in Tokyo Monday, Jan. 1, 2024, following an earthquake.