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Kepulauan Hanish

Hanish

Gunung api perisai · Yemen · 422 m

The 20-km-long island of Hanish is seen in this composite NASA Landsat image (with north to the top). Alignment of vents along a prominent NE-SW trend gives the island its elongated shape. Short lava flows reached the coast on both sides of the island, including a very youthful flow prominent on the NW coast. Initial phreatic eruptions were followed by the formation of basaltic tuff and spatter cones that produced fluid lava flows. Suyul Hanish Island lies at the bottom center, and other offshore island lie along the regional NE-SW trend.
The 20-km-long island of Hanish is seen in this composite NASA Landsat image (with north to the top). Alignment of vents along a prominent NE-SW trend gives the island its elongated shape. Short lava flows reached the coast on both sides of the island, including a very youthful flow prominent on the NW coast. Initial phreatic eruptions were followed by the formation of basaltic tuff and spatter cones that produced fluid lava flows. Suyul Hanish Island lies at the bottom center, and other offshore island lie along the regional NE-SW trend. · Foto: NASA Landsat 7 image (worldwind.arc.nasa.gov) · Wikimedia Commons
Tipe
Gunung api perisai
Negara
Yemen
Wilayah
Eastern Africa Volcanic Regions / Red Sea Rift Volcanic Province
Ketinggian
422 m
Koordinat
13.720, 42.730
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Rift zone / Oceanic crust (< 15 km)
Bentuk lahan
Shield
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

The Hanish Islands are formed from a series of volcanic vents along a NE-SW trend, and include the Holocene Great Hanish, Little Hanish, and many other small islands and submarine shoals. The Zukur-Hanish island group lies in shallow waters S of the Red Sea median trough. Spatter cones, cinder cones, and ash cones line the crest of the 20-km-long Great Hanish Island. Short lava flows reach the coast on both sides of the island. Initial eruptions were phreatic, followed by the formation of basaltic cinder cones, spatter cones, and fluid lava flows.

Ringkasan Wikipedia

Kepulauan Hanish adalah sebuah kepulauan yang terletak di Yaman. Lokasi Kepulauan Hanish berjarak 125 km dari selat Bab-el-Mandeb dan membentang sejauh 175 km darinya. Kepulauan Hanish juga berjarak 30 km dari pantai Asia dan 40 km dari pantai Afrika. Secara geologi, pulau-pulau di Kepulauan Hanish terbentuk dari gunung berapi. Kepulauan Hanish dimasukkan sebagai bagian dari Asia karena terletak di landas benua Asia.

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