【??? ??】Enter to watch online.Every Android phone will now help detect earthquakes

Everyone with an Android smartphone will now help Google accurately report when there's an earthquake.

Starting Tuesday,??? ?? Android phones running operating system 5.0 and above will pick up certain seismic wave activity and report it to Google. Google will then use that data in search results and directly warn Android users in California.

Google will use the phones' built-in accelerometers, which orient the compass and stargazing apps, in a new way. Now the sensor will pick up earthquake activity, too, and report it to Google.

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When you look up "earthquake" or "earthquake near me," Google will use the accelerometer data to quickly report back information about the quake. The information will be pooled together and sent to a dedicated server to let Google know a lot of people in a certain area are experiencing some unusual movement. So if your phone erroneously detects some seismic movement, Google should notice that it was only your phone flagging a potential quake.

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Credit: Courtesy of Google

While Google will be collecting data from all Android phones worldwide, only users in California will get notifications directly to their phones starting Tuesday.

Android is using the ShakeAlert notification system from the U.S. Geological Survey to notify Californians about a recently detected quake. If you have an Android in California you will no longer need to have a separate ShakeAlert-powered app on your phone to be notified. Like those other apps, Google will use phone data as well as information from the USGS' ground motion sensors. While we can't predict earthquakes, people can be alerted as soon as one strikes nearby so they have a bit of notice before they feel any shaking.

What Google's earthquake notification will look like. Credit: Courtesy of Google In addition to reporting an estimated magnitude, the alert will also give safety advice. Credit: Courtesy of Google

Android users will see the red earthquake alert and the suggestion to "drop, cover, and hold" once Google detects an earthquake. These notifications are similar to those sent by the statewide MyShake app or Los Angeles County's ShakeAlertLA (both free on iOS and Android). Google's notifications will appear on the phone's main screen.

Google didn't provide information about any quake thresholds it has put in place, although an alert rendering shows a warning for a 3.1 magnitude earthquake. Meanwhile, the ShakeAlertLA app only alerts users of temblors with a magnitude of 4.5 or above. That bar was lowered from 5.0 after people complained they weren't alerted last year during an earthquake that only mildly impacted LA. There's been considerable debate about when people should be warned. If you set the threshold too low, it may create unnecessary panic. If it's set too high, people may feel slight shaking without any warning. According to UC Berkeley researchers who developed the MyShake app, most smartphones' sensors can record 5.0 earthquakes or above within roughly six miles of the earthquake's epicenter.

SEE ALSO: Earthquake triggers California's early warning app for the first time

Google expects to expand the automatic alerts to Android users in other states and countries in the coming year.

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