The alerts rely on detecting fast-moving P-waves, which precede the more destructive S-waves during an earthquake. If enough ...

The agency says following Thursday's earthquake, there were more than 20,000 downloads of the MyShake app in just three hours. Overall, 3.5 million people have the app.

Also known as ShakeAlert, the MyShake app takes information from ShakeAlert to notify millions of people across California, Oregon and Washington. "The EEW was triggered for this earthquake.

MyShake history Launched in 2019, MyShake was the first smartphone application to provide statewide earthquake early warning alerts for earthquakes with a magnitude of 4.5 or greater.

The MyShake App then sends a warning to smartphone users that have installed the app and are in the vicinity of the earthquake. “An earthquake is a rupturing fault that typically comes in two ...

The MyShake App is a free tool that delivers alerts to users as soon as ground sensors detect significant shaking in their hometown.

But some of the people who were affected received an early warning from the MyShake mobile app. The app, which is created by the University of California, Berkeley, began development in 2011.

Hundreds of thousands of people received early warnings for Monday’s Los Angeles earthquake and others, thanks in part to the MyShake app developed at UC Berkeley.

Officials says after Thursday's earthquake, there were more than 20,000 downloads of the MyShake app in just three hours.

The MyShake App then sends a warning to smartphone users that have installed the app and are in the vicinity of the earthquake.

The MyShake App then sends a warning to smartphone users that have installed the app and are in the vicinity of the earthquake.