It consists of a Holocene stratovolcano called Segula Volcano.

Segula Island is three to four miles in diameter and is located about 15 miles (24 km) east of Kiska Island.

The Rat Islands also lie in the path of major Pacific storms bringing winds of up to 100 miles (161 km) per hour.

[2] Segula hosts vegetation typical to the Aleutian Islands, largely moss, lichens, and heath, in addition to sedges, grass, fungi, various herbs, fern, and flowering plants such as Narcissus anemone, lupines, and orchids.

This article about a location in the Aleutians West Census Area, Alaska is a stub.