{"data":{"id":"us/50-cfr-665.901","jurisdiction":"us","citation":"50 CFR 665.901","heading":"Boundaries.","body":"The Marianas Trench Marine National Monument includes the following:\n(a) Islands Unit. The Islands Unit includes the waters and submerged lands of the three northernmost Mariana Islands (Farallon de Pajaros (Uracas), Maug, and Asuncion). The shoreward boundary of the Islands Unit is the mean low water line. The seaward boundary of Islands Unit is defined by straight lines connecting the following coordinates in the order listed:\nID E. long. N. lat.\n1 144°1′22.97″ 21°23′42.40″\n2 145°33′25.20″ 21°23′42.40″\n3 145°44′31.14″ 21°11′14.60″\n4 146°18′36.75″ 20°49′17.46″\n5 146°18′36.75″ 19°22′0.00″\n6 145°3′12.22″ 19°22′0.00″\n7 144°1′22.97″ 20°45′44.11″\n1 144°1′22.97″ 21°23′42.40″\n(b) Volcanic Unit. The Volcanic Unit includes the submerged lands of designated volcanic sites. The boundaries of the Volcanic Unit are defined as circles of a one nautical mile radius centered on each of the following points:\nID E. long. N. lat.\nFukujin 143°27′30″ 21°56′30″\nMinami Kasuga #2 143°38′30″ 21°36′36″\nN.W. Eifuku 144°2′36″ 21°29′15″\nMinami Kasuga #3 143°38′0″ 21°24′0″\nDaikoku 144°11′39″ 21°19′27″\nAhyi 145°1′45″ 20°26′15″\nMaug 145°13′18″ 20°1′15″\nAlice Springs 144°30′0″ 18°12′0″\nCentral trough 144°45′0″ 18°1′0″\nZealandia 145°51′4″ 16°52′57″\nE. Diamante 145°40′47″ 15°56′31″\nRuby 145°34′24″ 15°36′15″\nEsmeralda 145°14′45″ 14°57′30″\nN.W. Rota #1 144°46′30″ 14°36′0″\nW. Rota 144°50′0″ 14°19′30″\nForecast 143°55′12″ 13°23′30″\nSeamount X 144°1′0″ 13°14′48″\nSouth Backarc 143°37′8″ 12°57′12″\nArchaean site 143°37′55″ 12°56′23″\nPika site 143°38′55″ 12°55′7″\nToto 143°31′42″ 12°42′48″\n(c) Trench Unit. The Trench Unit includes the submerged lands of the Marianas Trench. The boundary of the Trench Unit extends from the northern limit of the EEZ around the Commonwealth of the Northern Mariana Islands to the southern limit of the EEZ around Guam as defined by straight lines connecting the following coordinates in the order listed:\nID E. long. N. lat.\n1 145°5′46″ 23°53′35″\n2 145°52′27.10″ 23°45′50.54″\n3 146°36′18.91″ 23°29′18.33″\n4 147°5′16.84″ 23°11′43.92″\n5 147°22′31.43″ 20°38′41.35″\n6 147°40′48.31″ 19°59′23.30″\n7 147°39′59.51″ 19°27′2.96″\n8 147°48′51.61″ 19°8′18.74″\n9 148°21′47.20″ 18°56′6.46″\n10 148°42′50.50″ 17°58′2.20″\n11 148°34′47.12″ 16°40′53.86″\n12 148°5′39.95″ 15°25′51.09″\n13 146°23′24.38″ 12°21′38.38″\n14 145°28′33.28″ 11°34′7.64″\n15 143°3′9″ 10°57′30″\n16 142°19′54.93″ 11°47′24.83″\n17 144°42′31.24″ 12°21′24.65″\n18 145°17′59.93″ 12°33′5.35″\n19 147°29′32.24″ 15°49′25.53″\n20 147°27′32.35″ 17°57′52.76″\n21 147°20′16.96″ 19°9′19.41″\n22 146°57′55.31″ 20°23′58.80″\n23 145°44′31.14″ 21°11′14.60″\n24 144°5′27.55″ 23°2′28.67″\n1 145°5′46″ 23°53′35″","path":["Title 50—Wildlife and Fisheries","CHAPTER VI—FISHERY CONSERVATION AND MANAGEMENT, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE","PART 665—FISHERIES IN THE WESTERN PACIFIC","Subpart G—Marianas Trench Marine National Monument"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-50.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:39Z","sha256":"bab67fdcc657bcc9a2b0045122610200a6339b80c184484a719dc6f5533ac3d4","source_id":"us-cfr","stale":true,"prev":"us/50-cfr-665.900","next":"us/50-cfr-665.902"},"notice":"GroundRules: Original legal text. Not legal advice."}