With 23,615.39 km3 (5,670 cu mi) of water, Lake Baikal is the world’s largest freshwater lake by volume, containing 22–23% of the world’s fresh surface water, …
Average depth: 744.4 m (2,442 ft; 407.0 fatho…
Frozen: January–May
Max. depth: 1,642 m (5,387 ft; 898 fathoms)
Shore length1: 2,100 km (1,300 mi)
And here is what’s happening today…
https://www.cbsnews.com/news/campi-flegrei-volcano-closer-to-erution-last-erupted-1538-researchers/