The next great American tsunami is not a Hollywood fantasy but a scenario that coastal planners, geologists and emergency ...

Japan has been witnessing a series of tremors since Monday's 7.5 magnitude earthquake that left over 50 people injured. The country issued a megaquake warning for the first time the next day. The ...

Japan issued a megaquake advisory Tuesday after a magnitude 7.5 earthquake struck the northern part of the country, causing 34 mostly mild injuries and some damage to roads and buildings. The ...

People along hundreds of miles of coastline in Japan are being warned about the possibility of a "megaquake" hitting the country. Fears are rising for a potential 98-foot tsunami as well. Were that ...