Images of an erupting volcano have been common in Caragh Thuring’s paintings since the mid-2000s. A semi-submerged submarine started to complement that motif a decade later, by which time clear distinctions between natural and human-caused calamity were becoming increasingly difficult to maintain. What the volcano and submarine share are intimations of turbulent depths as well as a dramatic breaching of fragile boundaries between a world that is familiar and one that is not. The submarine sprang from a childhood spent in Holy Loch on the Firth of Clyde in the south of Scotland, where the US Navy