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 ...

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 ...

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 ...

Nearly 40,000 people have signed a petition "urgently" calling for officials to create an early warning siren system for the flood-ravaged Texas hill country. The Change.org petition, created by ...

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 ...

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 ...