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

The Japanese government on July 1 approved significant upgrades to the plan to safeguard the public in the event of a major ...

Japan’s new earthquake-detection network lengthens warning times, and researchers in Wales have harnessed nuclear blast ...

In Japan, swarms of earthquakes are fueling a dip in tourism and a viral panic over predictions of the next 'big one' ...

Japan’s government on Saturday warned of more possible strong earthquakes in waters southwest of its main islands, but urged ...

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

48 people dead following Japan’s 7.6 magnitude earthquake 01:41. A series of powerful earthquakes off central Japan's west coast damaged homes, started a fire, prompted tsunami warnings and left ...

A 7.5 magnitude earthquake struck Japan on Monday afternoon, triggering a tsunami alert and prompting an official warning to residents to evacuate affected coastal areas as soon as possible.

Read CNN’s 2011 Japan Earthquake - Tsunami Fast Facts to learn more about the disaster that struck Japan in March of 2011.

6.8 earthquake hits southwestern Japan, USGS says there's no threat of tsunami 00:34 Japan issued a tsunami advisory after a magnitude 6.6 earthquake struck the southwest of the country, country's ...

Thousands are still missing, but harrowing tales are already emerging from those who managed to escape Japan's deadly earthquake and its aftermath. From a man rescued 10 miles out at sea to a ...

The 8.9-magnitude of Japan's earthquake was enough to trigger a tsunami, but the magnitude-7.7 earthquake that struck Indonesia in October 2010 just surpassed the threshold for causing a tsunami.