[5] Through the use of international standards (e.g. CAP - common alerting protocol) and a secure editorial and administration platform, control centers and security centers as well as external information systems (e.g. for severe weather, floods, earthquakes, "predictive policing"[1]) can be connected to the system – so-called "multi-hazard".
[5] EUwarn is multi-language capable, i.e. depending on the system settings of the smartphone, the app displays warnings in the respective language or – as default – in English.
[5] The European Commission's evaluation of a tsunami drill on the island of Kos shows that Katwarn-international is crucial for quickly warning those affected.
On November 21, 2019, the European Commission's Joint Research Centre (JRC) tested technology and procedures from the EU Tsunami Last Mile project.
For example, since sirens could not be heard in classrooms, the only way to reach a school class was through the Katwarn app on a teacher's smartphone.