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Micronesia

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Micronesia is a vast subregion of Oceania located in the Northwestern Pacific Ocean.

Mapa Micronesia
Mapa Micronesia

The name comes from the Greek words "mikrós," meaning small, and "nêsos," meaning island. This region contains approximately 2,100 small islands. It shares cultural history with Maritime Southeast Asia to the west. It also sits near Melanesia to the south and Polynesia to the east.

Pacific Culture Areas (Philippines+Vanuatu Correction)
Pacific Culture Areas (Philippines+Vanuatu Correction)

The area is part of the Oceanian realm and has a tropical marine climate. This climate features seasonal northeast trade winds. There is little change in temperature throughout the year. The dry season lasts from January to June. The rainy season occurs from July to December. During these months, the region sometimes faces typhoons.

Most islands in Micronesia are coral atolls. An atoll is a ring-shaped reef that grows around a central volcano. This process begins with coral reefs growing on volcanic slopes. When the volcano eventually sinks below the sea, the coral continues to grow upward. This growth keeps the reef at or near the water level. One exception is Pohnpei in the Federated States of Micronesia. Pohnpei still retains its central volcano and surrounding coral reefs. Other islands, like Yap, have a different geological history. These islands consist of uplifted volcanic and metamorphic rocks. This happened due to tectonic movement involving the Yap Trench.

The region is organized into several distinct island groups. The Caroline Islands are a large archipelago of about 500 coral islands. They are located north of New Guinea and east of the Philippines. This group includes the Republic of Palau and the Federated States of Micronesia. The Federated States of Micronesia contains about 600 islands on the eastern side. The Gilbert Islands form a chain of sixteen atolls and coral islands. These islands are arranged in a north-to-south line. The equator divides the northern and southern Gilbert Islands. These islands are part of the Republic of Kiribati.

South Tarawa from the air
South Tarawa from the air

The Mariana Islands form an arc-shaped archipelago. This chain is made of the summits of fifteen volcanic mountains.

Suicide Cliff in Saipan 3
Suicide Cliff in Saipan 3

These mountains rose because the Pacific Plate moved westward. This movement caused the plate to plunge below the Mariana plate. This area is the most volcanically active convergent plate boundary on Earth. The Marshall Islands are located north of Nauru and Kiribati. They consist of 29 low-lying atolls and five isolated islands. These 1,156 islands form the Ratak and Ralik chains. The Ratak Chain represents the sunrise, while the Ralik Chain represents the sunset.

Human settlement in Micronesia began several millennia ago. The Austronesian peoples began a massive seaborne migration. This movement started from pre-Han Formosa between 3000 and 1500 BCE.

Chronological dispersal of Austronesian people across the Pacific
Chronological dispersal of Austronesian people across the Pacific

These voyagers were the first to invent advanced sailing technologies. They used outrigger boats, catamarans, and crab claw sails. These tools allowed them to disperse rapidly across the Indo-Pacific. Austronesians reached the Batanes Islands by 2200 BCE. They settled the Northern Mariana Islands around 1500 BCE. Later, other groups arrived in Palau and Yap around 1000 BCE. Europeans first made contact in 1521 during the Magellan expedition.

Reception of the Manila Galleon by the Chamorro in the Ladrones Islands, ca. 1590
Reception of the Manila Galleon by the Chamorro in the Ladrones Islands, ca. 1590

Political control of these islands is divided among many nations. The Republic of Palau and the Federated States of Micronesia are sovereign. The Republic of Kiribati includes the Gilbert Islands. The Republic of the Marshall Islands is also a sovereign nation. Nauru is an oval-shaped island and is the world's smallest republic. It covers only 21 square kilometers. The Mariana Islands are affiliated with the United States. This includes the U.S. Territory of Guam and the Commonwealth of the Northern Mariana Islands. Wake Island is a coral atoll managed by the United States Air Force. Its sovereignty is currently contested by the United States and the Marshall Islands.

Micronesia is home to unique biological diversity. The Yap Islands host several endemic bird species. These include the Yap monarch and the Olive white-eye. The endangered Yap flying-fox also lives only on Yap. The ocean environment is rich with marine life. You might see spinner dolphins in the surrounding waters.

SpinnerDolphinsoffKauai 1999-03-15
SpinnerDolphinsoffKauai 1999-03-15

The islands' economies vary based on their resources. The Marshall Islands rely on fishing, agriculture, and a service economy. Nauru is surrounded by a coral reef. This reef makes it difficult to establish a large seaport. However, small boats can enter through channels in the reef.

Laura beach n tree (170671778)
Laura beach n tree (170671778)
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🖼️ Images & Media (14)
File:Oceania UN Geoscheme - Map with Zones.svg
Oceania UN Geoscheme - Map with Zones.svg
File:Pacific Culture Areas (Philippines+Vanuatu Correction).svg
Pacific Culture Areas...
File:Mapa Micronesia.png
Mapa Micronesia.png
File:South Tarawa from the air.jpg
South Tarawa from the air.jpg
File:Suicide Cliff in Saipan 3.JPG
Suicide Cliff in Saipan 3.JPG
File:Laura beach n tree (170671778).jpg
Laura beach n tree (170671778).jpg
File:SpinnerDolphinsoffKauai 1999-03-15.jpg
SpinnerDolphinsoffKauai 1999-03-15.jpg
File:Chronological dispersal of Austronesian people across the Pacific.svg
Chronological dispersal of Austronesian...
File:Reception of the Manila Galleon by the Chamorro in the Ladrones Islands, ca. 1590.jpg
Reception of the Manila Galleon by the...
File:HH1883 pg123 Hafen von Jaluit, Marshall-Inseln.jpg
HH1883 pg123 Hafen von Jaluit, Marshall-Inseln.jpg
File:German new guinea 1888 1899.png
German new guinea 1888 1899.png
File:MapofTTPI.gif
MapofTTPI.gif

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