Early Earthquake Warning System in iOS 5 for Japanese Users
Back in iOS 5 Beta 2, we had seen references to a "Quake Alert" notification embedded in iOS 5, as shown here:
![quake quake](https://cdn.statically.io/img/images.macrumors.com/t/lqLUbNHF5JscjZxSV1t67WaVyAQ=/400x0/article-new/2011/08/quake.jpg?lossy)
We weren't able to entirely explain or even activate the system, but despite the presence of english localization, it's reportedly intended for Japanese users according to 9to5Mac.
![quakewarning](https://cdn.statically.io/img/images.macrumors.com/t/06RZHIEksz4dowUVJtMutr2NFvk=/400x0/article-new/2011/08/quakewarning-500x195.png?lossy)
Japan's earthquake warning system was profiled by Time magazine earlier this year.
Japan has the most advanced earthquake early-warning system in the world. A nationwide online system launched in 2007, it detects tremors, calculates an earthquake's epicenter and sends out brief warnings from its 1,000-plus seismographs scattered throughout the country, one of the most earthquake-prone nations on the planet.
The need for such a warning system was underscored by the devastating 9.0 earthquake and subsequent tsunamis Japan experienced earlier this year. iOS 5 users reportedly have the option to receive these early warnings in iOS 5 at the very bottom of the iOS 5 Notification Center settings pane. We were unable to activate the system from a U.S. based iPhone. The system is reported to be a common feature on Japanese mobile phones.
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