Here’s another reason to get the SD Emergency App – Earthquake Early Warnings with ShakeReadySD


From the SD County News Center: SD Emergency App Users Now Can Have Earthquake Early Warning. The County of San Diego’s SD Emergency app is now equipped with ShakeReadySD, an earthquake early warning system. This will let users know if an earthquake has occurred nearby that is likely to cause shaking within seconds and it will urge them to take protective action such as drop, cover and hold on or another appropriate safety measure.

The County Office of Emergency Services has been working with the U.S. Geological Survey on the alert for more than a year. USGS has a network of more than 770 underground sensors and other technologies built to protect residents and visitors throughout California as part of its ShakeAlert® Earthquake Early Warning system, which is what powers the ShakeReadySD component of the SD Emergency App. This is the first time the ShakeAlert® system has been integrated into an existing emergency app.

The ShakeReadySD technology is designed to trigger an alert to your cellphone if you are in a location close enough to an earthquake with a magnitude 4.5 or greater with a shaking intensity of 3 or greater. Following the alert, the app could provide emergency notifications such as road closures, shelters or other relevant critical information as needed. Since it is tied to the statewide system of sensors, it will work anywhere in the state to alert people about imminent shaking.

For more information, visit the County News Center at

The app is now available for iOs and Android phones and is free. To learn more, visit


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