earthquake and tsunami warning system
maavärina- ja tsunaamihoiatuse süsteem
ülevaateid
https://en.wikipedia.org/wiki/Tsunami_warning_system
https://reliefweb.int/sites/reliefweb.int/files/resources/Information-and-Communication-Technology-for-Disaster-Risk-Management-in-Japan.pdf
https://www.5gamericas.org/wp-content/uploads/2019/07/Public_Warning_Systems_Americas_WhitePaper___Final_for_distribution.pdf
standardid
https://www.etsi.org/deliver/etsi_ts/122100_122199/122168/08.01.00_60/ts_122168v080100p.pdf