Nabro Volcano erupts in June 2011 . / NASA Goddard Space Flight Center, Flickr / CC BY 2.0
Impressive, 2,218 m tall (before the eruption) stratovolcano which was considered to be extinct until it erupted unexpectedly in 13 June 2011. There might be lava lake in the northern caldera of volcano.
Nabro Volcano is included in the following article:
Lava lakes of the world in 2019 / Wondermondo / public domain
In October 2019 we have seven existing lava lakes on Earth. Three more existed for a longer time in the recent past. Besides this, since the year 2000 short-lived lava lakes and lava ponds existed in 11 more places. Wondermondo has listed them all in this article.
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 volcano which suddenly erupted in 2011. For some time in the caldera of volcano existed lava lake.){kind=link}