Seismic pressure is building along the Tintina fault line, stretching from Canada's Yukon Territory to Alaska.

The fault line includes areas of Missouri, Arkansas, Tennessee, Kentucky and Illinois. The area has hundreds of small earthquakes annually, though many are not felt, officials say.

Powerful earthquakes may be a trigger for weakening geologic faults a half a world away, U.S. researchers said on Wednesday in a study that points to new ways to predict earthquakes.

Stanley sits near the Sawtooth Fault, a 40-mile-long fault line running through central Idaho. While geologically ancient, the Sawtooth Fault was only clearly identified in 2010.

Seismologists on Monday agreed there was no active fault line under Japan's sole functioning nuclear station, giving the operator, Kansai Electric Power Co 9503.T>, hope it can restart two ...