Chuuk Lagoon
Chuuk Lagoon
Chuuk Lagoon, previously Truk Atoll, is an atoll in the central Pacific Ocean. It lies about 1,800 kilometres (970 nautical miles) northeast of New Guinea and is part of Chuuk State within the Federated States of Micronesia (FSM). A protective reef, 225 kilometres (140 mi) around, encloses a natural harbour 79 by 50 km (43 nmi × 27 nmi), with an area of 2,130 km2 (820 sq mi). It has a land area of 93.07 square kilometres (35.93 square miles), with a population of 36,158 people and a maximal elevation of 443 metres (1,453 ft). Weno city on Weno (formerly Moen) Island functions as both the atoll's capital and the state capital, and is the largest city in the FSM with its 13,700 people.
Chuuk Lagoon was the Empire of Japan's main naval base in the South Pacific theatre during World War II. It was the site of a major U.S. attack during Operation Hailstone in February 1944, and Operation Inmate, a small assault conducted by British and Canadian forces during June 1945.
Name
Chuuk means mountain in the Chuukese language. The lagoon was known mainly as Truk (a mispronunciation of Ruk), until 1990. Other names included Hogoleu, Torres, Ugulat, and Lugulus.
Geography
Chuuk Lagoon is part of the larger Caroline Islands group.
The public source identifies “Chuuk Lagoon” as chuuk Lagoon. This brief keeps that definition visible, then builds a research path around Chuuk and Lagoon.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 10, 2026. The linked authority identifier is Q3593555. VIAF identifies the subject as 248970781. Authority coordinates are 7.415, 151.735. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1944, 1945 and 1990.
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This entry incorporates text from “Chuuk Lagoon” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.