On December 4, 2025, millions of cell phones in California and Nevada buzzed with ShakeAlert warnings of a magnitude 5.9 ...

When the ground under Seattle finally gives way, the disaster will not unfold as a single cinematic moment but as a chain reaction that reshapes the city’s geography, infrastructure and daily life.

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles away last week.

The magnitude 4.1 earthquake that stuck after 3 a.m. in the center of Olympic National Park is one of the strongest tests yet of the new ShakeAlert system in Washington. While not considered a ...