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Asavyo

Vulcano a scudo · Ethiopia · 1338 m

Asavyo volcano, near the center of this NASA Landsat image, is the SW-most of three large silicic stratovolcanoes of uncertain age constructed along a NE-SW-trending line in the Danakil horst. Basaltic lava flows blanket the flanks of Asavyo, which merge into the Mogorros plains to the south. The caldera at the bottom right-center is Oyma volcano, Mallahle volcano lies beneath the clouds at the top center, and Sorkale volcano occupies the circular dark-colored area at the upper right.
Asavyo volcano, near the center of this NASA Landsat image, is the SW-most of three large silicic stratovolcanoes of uncertain age constructed along a NE-SW-trending line in the Danakil horst. Basaltic lava flows blanket the flanks of Asavyo, which merge into the Mogorros plains to the south. The caldera at the bottom right-center is Oyma volcano, Mallahle volcano lies beneath the clouds at the top center, and Sorkale volcano occupies the circular dark-colored area at the upper right. · Foto: NASA Landsat image, 1999 (courtesy of Hawaii Synergy Project, Univ. of Hawaii Institute of Geophysics & Planetology). · Wikimedia Commons
Tipo
Vulcano a scudo
Paese
Ethiopia
Regione
Eastern Africa Volcanic Regions / Afar Rift Volcanic Province
Altitudine
1338 m
Coordinate
13.098, 41.599
Ultima eruzione
Sconosciuto
Contesto tettonico
Rift zone / Intermediate crust (15-25 km)
Forma vulcanica
Shield
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Asavyo, also known as Bara’Ale, is the SW-most of three large silicic stratovolcanoes (along with Mallahle and Nabro) constructed along a NE-SW-trending line in the Danakil horst. A large 12-km-wide caldera truncates the summit. Basaltic lava flows cover the flanks, which merge into the Mogorros plains to the south. Although the age of the volcano is not known precisely, Asavyo was considered to have erupted during last 2,000 years (IAVCEI, 1973). A large post-caldera cone was constructed near the center of the caldera, and smaller pyroclastic cones occur within the caldera and on its flanks.

Sintesi da Wikipedia

Riassunto in inglese

Asavyo also known as Bara Ale is a large silicic stratovolcano in Ethiopia, which forms part of the Bidu Volcanic complex. It lies about 20 km southwest from the Nabro and Mallahle volcanoes. Asavyo has a 12 km wide caldera.

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