Google's earthquake alerts are getting smarter and more helpful to Android users

The system now reaches twice as many places, and its Be Ready alert is getting a big upgrade.

1 Billion Android Earthquake Alerts Sent graphic
Google says Android Earthquake Alerts have now sent more than one billion alerts. | Image by Google
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Android Earthquake Alerts are expanding to more than double the number of countries and regions. Some of these new locations include Panama, Guatemala and many more. This change was announced today (October 15) by Google in its blog where it shared that over 1 billion alerts have been sent so far since 2021. This reaches Android phones such as the Pixel 11 Pro and the Galaxy S26 Ultra.

Android Earthquake Alerts double their reach


Google increased the reach of Android Earthquake Alerts from 98 countries and regions to more than 200. Notable countries added to the list are Panama and Guatemala, both of which were struck this month, among many more.



This is important because in an earthquake situation every second of warning could give someone a chance to take cover. Google also says that this mobile-based early alert network is the world's largest.

A Be Ready alert pops up on your phone. What's your first move?
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How your Android phone becomes a seismometer


These alerts are possible thanks to the accelerometer, which is the same sensor that rotates your screen. On most Android phones, the ability for this sensor to detect a quake is built into Google Play Services, and it's turned on by default.

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When the ground shakes, a weaker but faster P-wave arrives first, then a slower, more destructive S-wave follows. If one phone catches the P-wave, it will send a signal and a rough location to Google's server. When more phones join in, the estimated location and strength gets more accurate.

The alert then goes out ahead of the stronger S-wave hitting, which gives people seconds to drop and cover, depending on how close they are to the epicenter. This, of course, needs either a mobile data or Wi-Fi connection to work, as well as for the Earthquake Alerts and location settings to be on.

The "Be Ready" earthquake alert


When the system is triggered, there are three alert levels that can be sent, which are:

  • Be Aware: when only light shaking is expected, serving merely as a heads-up.
  • Be Ready: when stronger shaking is expected, letting you know to prepare to take action.
  • Take Action: when shaking is moderate to heavy. It takes over the whole screen telling you what safety steps you should follow.

The "Be Ready" alert is being upgraded in the coming months to display a map with a radius of the area where the shaking was detected, the estimated magnitude, what you should do and a button to learn more that updates as more info is available.



Android Earthquake Alerts may have saved lives


As we covered back in June, Venezuela was affected by back-to-back 7.2 and 7.5 earthquakes, which were only about 40 seconds apart. These quakes became the deadliest in that country in over a century.

As Venezuela has no quake early-warning system run by the government, Android phones became what may have saved many lives that day. Expansion to more places like Venezuela that have no government-run warning system of their own is pivotal.

I love seeing the upgrade to the "Be Ready" alert, which could help people better understand what the alert is about and what to do. This gives those affected more information while they process the situation and, hopefully, helps them find safety.

More on Android Earthquake Alerts and the Pixel 11 Pro:
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