Set up emergency alerts for Japan on iPhone

Learn how to set up emergency alerts on your iPhone or Apple Watch in Japan. The Japan Meteorological Agency and the Japanese government provide the alerts.

Set up emergency alerts

To get earthquake alerts, tsunami alerts, and other disaster information on your iPhone or Apple Watch,* follow these steps:

  1. Tap Settings > Notifications.
  2. Scroll down to the bottom of the screen.
  3. Tap Emergency Alerts to turn them on or off.

* If you have an iPhone 4, you can only get earthquake alerts and tsunami alerts. iPhone 3G or iPhone 3GS can only receive earthquake alerts. Alerts are supported when using a SIM card from a supported carrier. Your Apple Watch can receive these alerts if your iPhone can receive them and is nearby, or your Apple Watch is on a Wi-Fi network. With a cellular plan from a supported carrier, your Apple Watch Series 3 (GPS + cellular) can receive these alerts without your iPhone nearby. For more information, contact your carrier.

Learn more

Learn more about the emergency-notification service on carriers from SoftBankKDDI, and NTT DOCOMO.

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