Abundant evidence indicates that such a new volcano exists at L'ihi, a seamount (or submarine peak) located about 20 miles off the south coast.
In 2011, a 9.0-magnitude earthquake -- one of the worst ever to hit Japan -- killed more than 20,000 people and caused tsunamis of up to 12 meters (40 feet) which swamped the Fukushima Daiichi nuclear power plant, triggering a nuclear meltdown. Fukushima resident: We live in fear.
In March 2011 Japan was struck by a powerful underwater earthquake centered in the Pacific Ocean off the coast of Honshu, the countryâs main island. The quake caused widespread damage on land and triggered a series of large tsunami waves that devastated many coastal areas of Japan, most notably northeastern Honshu.