The magnitude 4.4 quake — centered near Highland Park on Monday — came with an early warning from California’s quake alert system. It was not immediately clear how many people got the alert. But it is ...

From Cambodia to Nepal, early warning of natural disasters is not an add-on to humanitarian response. It is humanitarian response – at its smartest and most effective. For communities and nations ...

Smartphone apps sent simultaneous alerts to millions of Californians on Tuesday evening, warning them to brace for incoming shaking from a Kern County earthquake. (Robert de Groot / U.S. Geological ...

Most Californians know that sinking feeling. The ground shakes, jolting you to attention. For a split second, your mind considers the possibilities: A truck driving by? Someone dropping a heavy object ...

Flash floods in Texas Hill Country killed at least 130 people earlier this month, while New Mexico, New York, and New Jersey experienced flooded transit systems, blocked roads, and even swept away ...