Mount Asphyxia, also known as Mount Curry,[2] is a prominent volcanic cone reaching to 550 metres (1,800 ft), forming the summit of Zavodovski Island, northernmost of the South Sandwich Islands.

[3] One of the names of the volcano refers to the suffocating fumes experienced on the island; volcanic fumes spew from the mountain and to this is added the stench of penguin guano.

The fumes can indeed suffocate a visitor to the island.

[4] These qualities have given names to a number of Zavodovski Island's other features.

Thus changing the way the penguins adapted to the Island for all could be known the penguins have started to change and grow[5] The volcano erupted in March 2016; by July, between one third and one half of the island was covered in ash, putting the penguin colonies at risk.