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Archipelago

    North Pacific OceanUnited States

    16°42′N 145°47′E

    Mariana Islands

    Part of Izu–Bonin–Mariana arc and Micronesia

    The Mariana Islands ( MARR-ee-AH-nə; Chamorro: Manislan Mariånas), also simply the Marianas, are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the north-western Pacific Ocean, between the 12th and 21st parallels north and along the 145th meridian east.

    Aerial view of Saipan, Northern Mariana Islands
    Aerial view of Saipan, Northern Mariana Islands

    P. Miller, (Pdmiller) / Public domain

    Chart

    140 landforms

    Overview

    The Mariana Islands ( MARR-ee-AH-nə; Chamorro: Manislan Mariånas), also simply the Marianas, are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the north-western Pacific Ocean, between the 12th and 21st parallels north and along the 145th meridian east. They lie south-southeast of Japan, west-southwest of Hawaii, north of New Guinea, and east of the Philippines, demarcating the Philippine Sea's eastern limit. They are found in the northern part of the western Oceanic sub-region of Micronesia, and are politically divided into two jurisdictions of the United States: the Commonwealth of the Northern Mariana Islands and, at the southern end of the chain, the territory of Guam. The islands were named after the influential Spanish queen Mariana of Austria following their colonization in the 17th century. The indigenous inhabitants are the Chamorro people. Archaeologists in 2013 reported findings which indicated that the people who first settled the Marianas arrived there after making what may have been at the time the longest uninterrupted ocean voyage in human history. They further reported findings which suggested that Tinian is likely to have been the first island in Oceania to have been settled by humans. Spanish expeditions, beginning with one by Portuguese explorer Ferdinand Magellan in the early 16th century, were the first Europeans to arrive; eventually, Spain annexed and colonized the archipelago, establishing their capital on the largest island, Guam. The Marianas were the first islands Magellan encountered after traversing the Pacific from the southern tip of South America. The fruits found there saved the survivors from scurvy, which had already killed dozens of crewmembers.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands4
    • Minor islands14
    • Islets32
    • Rocks & skerries90

    Major islands

    4
    • Guam

      Guam

      Area
      543 km²
      High point
      406 m
    • Saipan

      Saipan

      Area
      119 km²
      High point
      474 m

      Saipan is the largest island and capital of the Northern Mariana Islands, an unincorporated territory of the United States in the western Pacific Ocean. According to 2020 estimates by the United States Census Bureau, the population of Saipan was 43,385. Its people have been United States citizens since the 1980s.

    • Tinian

      Tinian

      Area
      101 km²
      High point
      181 m

      Tinian (; Chamorro: Tini'an) is one of the three principal islands of the Commonwealth of the Northern Mariana Islands (CNMI). Together with uninhabited neighboring Aguijan, it forms Tinian Municipality, one of the four constituent municipalities of the Northern Marianas. Tinian's largest village is San Jose.

    • Rota

      Rota

      Area
      85.1 km²
      High point
      476 m

      Rota (Chamorro: Luta), also known as the "Friendly Island", is the southernmost island of the United States Commonwealth of the Northern Mariana Islands (CNMI) and the third southernmost of the Marianas Archipelago (the first being Cocos Island).

    Minor islands

    14

    Islets

    32
    • Mañagaha13 m · 0.06 km²
    • Unnamed island2 m · 0.06 km²
    • Unnamed island8 m · 0.03 km²
    • Unnamed island21 m · 0.03 km²
    • Orote Island45 m · 0.03 km²
    • Forbidden Island17 m · 0.03 km²
    • Anae17 m · 0.03 km²
    • Agrigan Island9 m · 0.02 km²
    • Fofos Island6 m · 0.01 km²
    • Unnamed island6 m · 0.01 km²
    • Alutom Island10 m · 0.01 km²
    • Bird Island8 m · 0.01 km²

    Rocks & skerries

    90
    • Naftan Rock19 m · 0.8 ha
    • Guijen Rock8 m · 0.5 ha
    • Togari Rock1 m · 0.4 ha
    • Hira Rock2 m · 0.2 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Yona Island<0.1 ha

    Figures

    Comparative heights

    Sea level500 m1,000 m965 mAgrihan840 mAsuncion790 mAnatahan723 mAlamagan538 mSarigan476 mRota474 mSaipan406 mGuam330 mFarallón de Pájaros289 mGuguan206 mPagan190 mMaug East181 mTinian180 mMaug North
    High points by island, metres above sea level.

    Islands by area

    0.0000010.000010.00010.0010.010.11101001,000Guam: 543 km²GuamSaipan: 119 km²SaipanTinian: 101 km²TinianRota: 85.1 km²RotaPagan: 47.8 km²PaganAgrihan: 43.6 km²AgrihanAnatahan: 34 km²AnatahanAlamagan: 12.9 km²AlamaganAsuncion: 7.9 km²AsuncionAguijan: 7 km²AguijanSarigan: 4.5 km²SariganGuguan: 4.3 km²GuguanFarallón de Pájaros: 2.3 km²Farallón de Pájar…Maug East: 0.92 km²Maug EastFarallon de Medinilla: 0.78 km²Farallon de Medin…Maug West: 0.59 km²Maug WestMaug North: 0.44 km²Maug NorthCocos: 0.31 km²CocosMañagaha: 0.06 km²MañagahaUnnamed island: 0.06 km²Unnamed islandUnnamed island: 0.03 km²Unnamed islandUnnamed island: 0.03 km²Unnamed islandOrote: 0.03 km²OroteForbidden: 0.03 km²ForbiddenAnae: 0.03 km²AnaeAgrigan: 0.02 km²AgriganFofos: 0.01 km²FofosUnnamed island: 0.01 km²Unnamed islandAlutom: 0.01 km²AlutomBird: 0.01 km²BirdAlupat: 0.9 haAlupatUnnamed island: 0.9 haUnnamed islandNaftan Rock: 0.8 haNaftan RockBangi: 0.7 haBangiFacpi: 0.7 haFacpiUnnamed island: 0.6 haUnnamed islandGuijen Rock: 0.5 haGuijen RockAsgadao: 0.5 haAsgadaoTogari Rock: 0.4 haTogari RockUnnamed island: 0.3 haUnnamed island
    km², log scale
    Guam543 km²
    Saipan119 km²
    Tinian101 km²
    Rota85.1 km²
    Pagan47.8 km²
    Agrihan43.6 km²
    Anatahan34 km²
    Alamagan12.9 km²
    Asuncion Island7.9 km²
    Aguijan7 km²
    Sarigan4.5 km²
    Guguan4.3 km²
    Farallón de Pájaros2.3 km²
    Maug East Island0.92 km²
    Farallon de Medinilla0.78 km²
    Maug West Island0.59 km²
    Maug North Island0.44 km²
    Cocos Island0.31 km²
    Mañagaha0.06 km²
    Unnamed island0.06 km²
    Unnamed island0.03 km²
    Unnamed island0.03 km²
    Orote Island0.03 km²
    Forbidden Island0.03 km²
    Anae0.03 km²
    Agrigan Island0.02 km²
    Fofos Island0.01 km²
    Unnamed island0.01 km²
    Alutom Island0.01 km²
    Bird Island0.01 km²
    Alupat Island0.9 ha
    Unnamed island0.9 ha
    Naftan Rock0.8 ha
    Bangi Island0.7 ha
    Facpi Island0.7 ha
    Unnamed island0.6 ha
    Guijen Rock0.5 ha
    Asgadao Island0.5 ha
    Togari Rock0.4 ha
    Unnamed island0.3 ha
    Asgon Point0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Hira Rock0.2 ha
    Unnamed island0.2 ha
    Babe Island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Yona Island<0.1 ha
    Pelagi Islets<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Camel Rock<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Babe Island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Lalas Rock<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Babe Island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha

    Groups within

    1

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Talus
    • Wikipedia

    Photographs