Imminent Threat: Alerts issued when an imminent threat to life or property exists in your area, including severe man-made or natural disasters such as earthquakes, wild fires, hurricanes, and tornadoes.
The MyShake App sends a warning to mobile phone users that shaking is about to occur. The system uses ground-motion sensors to detect earthquakes that have already started and estimates their size, location, and impact. When it detects a significant magnitude, the system issues a ShakeAlert Message, providing a warning before shaking begins. The MyShake App allows people to crowdsource valuable information about how much shaking people felt and to share information about damage following an earthquake.
Record. When the MyShake App detects an earthquake, its network of phones records (and securely stores data that does not contain personally identifiable elements) the shaking for analysis of earthquake trends and continuous improvement of the technology.
In addition to the emergency alerts sent to individuals through MyShake and Android, the underlying technology is also being used to automate protective actions such as slowing trains, opening firehouse doors, recalling elevators, shutting off water and gas valves as well as closing bridges gates and notifying personnel in school and medical settings.
The California Earthquake Early Warning System marries a smartphone application with traditional alert and warning delivery methods such as Wireless Emergency Alerts (WEA). The system uses ground motion sensors from across the state to detect earthquakes before humans can feel them.
The MyShake app launched its newest enhancement called HomeBase in 2022. This feature allows users to set a default location where they can receive earthquake early warning alerts, even if location services are temporarily down or turned off.
The HomeBase feature differs from a function already in the app where users can receive earthquake notifications for other locations, even in other countries. For example, if users want to receive notifications for earthquakes that occur where family or friends live, they can add those locations under Settings > Notifications.
Check if Wireless Emergency Alerts (WEA) are turned on
Whether you have an Android Phone or an Apple iPhone, you can receive tsunami alerts for a tsunami warning ONLY through WEA. Check if WEA is turned on by clicking here.
The Northwest Association of Networked Ocean Observing Systems provides the NVS Tsunami Evacuation App, available to download for free in the Apple App Store and on Google Play. The NVS Tsunami Evacuation App provides an at-a-glance view of where the tsunami hazard zones are along the Oregon and Washington coast, and allows you to map whether your home, work, school, etc. is located in a tsunami evacuation zone or not. To help you develop and plan your own evacuation routes, the Tsunami Evacuation App enables you to save your current position or points of interest via GPS or address look-up. It also pushes tsunami alert notifications directly to your phone.
National Weather Service provides InteractiveNWS (iNWS), an application suite able to send NWS products to local partners in multiple ways, including as emails and texts. Visit to learn more or to sign up for the service. Once your registration has been accepted you can go onto the site and set up text alerts by county/parish, lat/long, or street address. You can also draw a polygon on the map provided to set up a custom alerting area.
The MyShake App sends a warning to mobile phone users that shaking is about to occur. The system uses ground-motion sensors to detect earthquakes that have already started and estimates their size, location, and impact. When it detects a significant magnitude, the system issues a ShakeAlert Message, providing a warning a few seconds before shaking begins.
The MyShake App is the only app capable of delivering earthquake early warnings in Washington state at this time. Learn more about ShakeAlert License to Operate Partners available in Washington state.
For WEA, the system is set for earthquakes 5.0 and above and shaking that would cause shaking strong enough for dishes and windows to rattle or greater in your area. For additional information regarding ShakeAlert and WEA, please visit their website on ShakeAlert
Find your local region and click the applicable hyperlink. Follow the directions to opt into getting notices on your phone via email and text. These are alerts you would likely NOT receive unless you choose to do so. This is different than a Wireless Emergency Alert or the ShakeAlert system. For instance, you may be notified about road closures, evacuations, wildfires, storms and floods.
The Wireless Emergency Alert (WEA) is a system that broadcasts public safety messages (like AMBER Alerts, Earthquake Early Warning Alerts, Tsunami Alerts) over the commercial cellular system. Customers with compatible mobile phones can receive geographically targeted, text-like messages alerting them to threats to safety in their area. All WEA alerts, regardless of type, behave the same. The device makes a distinctive notification sound and vibration, and the message pops up in a text window on the screen.
We have been having tons (4 quakes) for the past 3 months. The phone earthquake alert is very helpful but im really not on my phone all the time. It would really be helpful if we bring this feature to google home specially now that we are staying at home most of the time.
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