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Sarigan

Stratovolkan · United States · 494 m

The 3-km-wide Sarigan volcano is seen here from the E during a 2003 NOAA expedition to the Marianas Islands.The cone has a 750-m-wide summit crater that forms the flat area to the right and it contains a small cone. More recent eruptions produced two lava domes from vents on and near the S crater rim, forming the island's high point at the left part of the summit. Holocene lava flows from the dome complex formed the peninsula to the far left.
The 3-km-wide Sarigan volcano is seen here from the E during a 2003 NOAA expedition to the Marianas Islands.The cone has a 750-m-wide summit crater that forms the flat area to the right and it contains a small cone. More recent eruptions produced two lava domes from vents on and near the S crater rim, forming the island's high point at the left part of the summit. Holocene lava flows from the dome complex formed the peninsula to the far left. · Foto: Image courtesy of NOAA, 2003 (http://oceanexplorer.noaa.gov/explorations/03fire/). · Wikimedia Commons
Tipe
Stratovolkan
Negara
United States
Wilayah
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
Ketinggian
494 m
Koordinat
16.699, 145.780
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Subduction zone / Crustal thickness unknown
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Sarigan volcano forms an irregular 3-km-long island consisting of a low truncated cone with a 750-m-wide summit crater that contains a small ash cone. The most recent eruptions produced two lava domes from vents above and near the south crater rim. Lava flows from each dome reached the coast and extended out to sea. The northern flow overtopped the crater rim on the N and NW sides. The sparse vegetation on the flows indicated to Meijer and Reagan (1981) that they are of Holocene age.

Ringkasan Wikipedia

Ringkasan Inggris

Sarigan or Sariguan is an uninhabited volcanic island in the Pacific Ocean. It is part of the Northern Mariana Islands, a U.S. territory. Sarigan is located 37 kilometers (20 nmi) northeast of Anatahan island, 67 km (36 nmi) south of Guguan and 150 km (81 nmi) north of Saipan, the largest island in the Northern Marianas. The island has been sparsely populated, but in modern times has been uninhabited due to volcanic activity. It is currently a nature preserve.

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