Officials said the megaquake advisory is not a prediction and the probability of a magnitude 8 or larger quake is only about ...

A magnitude-7.5 earthquake off Japan's northeastern coast triggered tsunami warnings and disrupted transportation late on Dec ...

Chris Goldfinger, who grew up in the Bay Area and emerged as a leading scientist on the feared Cascadia Fault, discusses the prospect of mega-earthquakes.

Japan’s government says that the chances of a magnitude 8 earthquake have increased. Scientists can’t predict when one will ...

After a 7.5-magnitude earthquake on Monday, Japanese officials issued a rare warning for a potentially even larger follow-up.

Japan is on alert for a possible mega quake after a magnitude 7.5 tremor hit northern regions late on Monday, prompting ...