There has been a major explosive eruption from Hunga Tonga-Hunga Ha'apai in Tonga. The volcano has been actively erupting since 20 Dec 2021. There are already many news stories and posts about this event. We will add info here to provide context & links.

volcano.si.edu/volcano.cfm?vn… Very little is known about the evolution of this volcano. The earliest recorded observation of an eruption was in 1912, followed by 1937, and then 1988, 2009, and 2014-15. Those eruptions have all been small, but with so few events there's no good understanding of activity style.