If you're the owner of an Android phone and live in a seismically active region, there's a chance your phone has popped up an unusual warning. Not one that asks for permission to share personal ...

A powerful 7.3-magnitude earthquake struck Alaska on Wednesday, unleashing seismic shockwaves that raced through the Earth's crust and lit up monitoring stations across the globe.

The official maximum wave height at Sand Point, a community 55 miles (88 kilometers) north of the epicenter, was about 3.9 inches (10 centimeters), said Kara Sterling, a lead duty scientist at the ...