What is 2021 Uttarakhand glacial outburst flood?
At around 10:45&nbsp;a.m. [[Indian Standard Time|IST]] on 7 February 2021,<ref>{{cite news|title=Uttarakhand flood wreaks death, damage|url=https://indianexpress.com/article/india/uttarakhand-glacier-break-flash-flood-rishiganga-7178998/|newspaper=The Indian Express|date=8 February 2021|access-date=8 February 2021}}</ref> a [[flood]]ing [[disaster]] happened in the [[Chamoli district|Chamoli]] [[districts of India|district]] of [[Uttarakhand]] in northern [[India]] along the [[Alaknanda River|Alaknanda]] and [[Dhauliganga River|Dhauliganga]] rivers.<ref>{{Cite web|title=Uttarakhand news live: Glacier bursts in Uttarakhand's Chamoli district|url=https://timesofindia.indiatimes.com/india/breaking-news-live-updates-07-02-2021/liveblog/80730052.cms|access-date=7 February 2021|website=The Times of India|language=en}}</ref><ref>{{Cite web|title=Glacier bursts in Uttarakhand's Chamoli district, causing flash flood in Dhauliganga: Highlights – Times of India|url=https://timesofindia.indiatimes.com/india/uttarakhand-glacier-burst-in-chamoli-damages-hydropower-plant-rescue-operations-underway/articleshow/80732809.cms|access-date=7 February 2021|website=The Times of India|language=en}}</ref> It is believed that a [[landslide]], [[avalanche]] or a [[glacial lake]] outburst flood was the cause of the incident.<ref>{{Cite news|date=7 February 2021|title=India floods: Scores missing after glacier smashes Uttarakhand dam|language=en-GB|work=BBC News|url=https://www.bbc.com/news/world-asia-india-55969669|access-date=7 February 2021}}</ref> More than 26 were killed and more than 200 are missing.<ref>{{Cite news|last=Sharma|first=Saurabh|date=2021-02-08|title=Search on for more than 200 after India glacier fractures, sweeping away all before it|language=en|work=Reuters|url=https://www.reuters.com/article/us-india-disaster-idUSKBN2A808I|access-date=2021-02-09}}</ref><ref>{{Cite web|title=200 missing and feared dead after glacier collapse in India|url=https://www.nbcnews.com/news/world/india-s-glacier-collapse-least-are-19-dead-mo