From PathfinderWiki
The Gasher, at center.

The Gasher is a small island in the Ironbound Archipelago in the Steaming Sea. It is an independent island that does not form part of the Linnorm Kingdom of the Ironbound Islands. One of the smallest island in the archipelago, it lies between the islands of Chakikoth Isle and Bloodglister.1 The land is quite mountainous and contains no major human settlements.2