▼Mobile phone companies’ disaster emergency message board services

As well as registering and checking information about the safety of yourself and others, they also have functions which send information about the use of emergency message board services to pre-registered email addresses.

・NTT East Japan
https://www.web171.jp/web171app/topRedirect/
・NTT DoCoMo
http://.dengon.docomo.ne.jp/top.cgi
・au
http://dengon.ezweb.ne.jp/
・SoftBank
http://dengon.softbank.ne.jp/