Measures in Times of Disaster or Emergency
The following is an FAQ and guide to services that customers with au lines can use during a disaster or emergency.
Method of Contact During a Disaster
Disaster Message Board Service
This service is available to customers living in disaster-stricken areas who use an au mobile phone to register information about their own safety status and to check on the safety of their family members and acquaintances, etc.
- Only available to au customers.
au Video Guide
See the following video to learn how to use the message board.
Check the following for the top page of all videos.
Disaster and Evacuation Information Related
+Message Official Account/au Disaster Countermeasures
The "Disaster Message Board Service," "Emergency News Mail Distributed Nationwide," "Registered Area Disaster and Evacuation Information Mail," "Disaster Related Information" and other services that can be used when a disaster occurs are now available from the official +Message account.
au Video Guide
See the following video to learn the three primary ways to use the +Message account.
Check the following for the top page of all videos.
Emergency News Mail
This service sends out earthquake early warnings and tsunami warnings from the Japan Meteorological Agency as well as information on disasters and evacuations from national and local authorities simultaneously to mobile phones within the affected area.
au Video Guide
See the following video to learn how to change the volume on certain models.
Check the following for the top page of all videos.
Registered Area Disaster and Evacuation Information Mail
This service notifies users by SMS regarding "Emergency News Mails" distributed by the local authorities in the registered region.
au Video Guide
See the following video to learn how to register for the Registered Area Disaster and Evacuation Information Mail.
Check the following for the top page of all videos.
- With the exception of some models, support for the au Disaster Countermeasures app ended on March 31, 2023. For details, check the following.
Emergency Measures
Location Information for Emergency Calls
This service notifies organizations that accept emergency calls of the caller's location when the caller uses a mobile phone to report an emergency (to either 110, 118 or 119).
Provision of Location Information to Rescue and Aid Organizations
In an emergency, at the request of rescue and aid organizations (Police, Japan Coast Guard, Fire Department, and other applicable organizations), we will acquire the location information of a user's mobile phone and provide that information to rescue and aid organizations.
