Twitter emergency alerts for Seoul

Twitter has a system for sending out emergency alerts from legitimate governmental organisations, and right now, Korea has one agency participating: 서울라이프라인 "Seoul Lifeline" aka @SeoulLifeline.

So if you live in Seoul, you can sign-up to get their emergency alerts. It's meant to provide fast awareness of emergency situation and extreme weather, though it seems like most of their recent tweets are just poor air quality warnings.

Screenshot of opt-in page for Seoul  Lifeline emergency alerts. Image: Twitter

I'm not sure why this is a feature if the government already sends emergency texts via SMS, and even by Line. Plus couldn't you just activate push notifications for this particular Twitter account? Anyway you can sign up here:

Or follow them here: