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Butajiri-Silti Field

Medan gunung api · Ethiopia · 2281 m

The 1-km-wide, lake-filled Ara-Shetan maar is located at the S end of the Butajiri-Silti volcanic field. It consists of a large group of basaltic scoria cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the W margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of Ethiopia's capital city, Addis Ababa.
The 1-km-wide, lake-filled Ara-Shetan maar is located at the S end of the Butajiri-Silti volcanic field. It consists of a large group of basaltic scoria cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the W margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of Ethiopia's capital city, Addis Ababa. · Foto: Photo by Giday Wolde-Gabriel (Los Alamos National Laboratory). · Wikimedia Commons
Tipe
Medan gunung api
Negara
Ethiopia
Wilayah
Eastern Africa Volcanic Regions / Main Ethiopian Rift Volcanic Province
Ketinggian
2281 m
Koordinat
8.050, 38.350
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Rift zone / Continental crust (> 25 km)
Bentuk lahan
Cluster
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

The Butajiri-Silti volcanic field consists of a large group of basaltic cinder cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the western margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of the capital city of Addis Ababa. The maars were erupted through Pleistocene rhyolitic lava flows and tuffs. Eruptions of the younger basaltic cinder cones were contemporaneous with those that produced the maars. Some of the lava flows associated with the cinder cones were considered very young by Di Paola (1972).

Riwayat letusan

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Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.