The Hall Islands are a group of two large

atoll An atoll () is a ring-shaped island, including a coral rim that encircles a lagoon partially or completely. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical oceans and seas where corals can gro ...

s in the northern part of the state of Chuuk,

Federated States of Micronesia The Federated States of Micronesia (; abbreviated FSM) is an island country in Oceania. It consists of four Administrative divisions of the Federated States of Micronesia#States, states from west to east, Yap State, Yap, Chuuk State, Chuuk, P ...

. In the broader sense, a third and smaller atoll is included. Txu-pclmaps-oclc-22834566 k-14d

Nomwin, the western atoll, and Murilo, the eastern one, are located about 9 km apart, being the emergent parts of a twin-lobed

seamount A seamount is a large geologic landform that rises from the ocean floor that does not reach to the water's surface (sea level), and thus is not an island, islet or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abr ...

. Murilo and Nomwin each harbor a population of more than 1,000 peopl

They lie roughly 100 km to the north of

Chuuk Lagoon Chuuk Lagoon, previously Truk Atoll, is an atoll in the central Pacific. It lies about northeast of New Guinea, and is part of Chuuk State within the Federated States of Micronesia (FSM). A protective reef, around, encloses a natural harbou ...

. Uninhabited East Fayu, lying 30+ km to the west of Nomwin, is sometimes included in the Hall

The three atolls together account for a dry surface of about 3.5 km² over more than 50 islets or motu (geography), motus.

References

Islands of Chuuk State Atolls of the Federated States of Micronesia {{Micronesia-geo-stub