The latest version of Apple's iPhone iOS operating system will come with an earthquake warning system for Japanese users.
The update to the software, which is due next month, will add the feature to the phone in its notification centre.
Users can simply opt in or out of being constantly connected to the warning system.
If they choose to opt in for the warnings, they will receive a message warning of a disaster up to two minutes before it occurs.
But in some cases the message will come through just seconds before.
When in use the system displays a message, pictured above.
It reads: 'The earthquake early warning/alert. When the setting is on, your battery life may be reduced.' Read More