Fentale_aerial.jpg(601 × 480 piksler, filstørrelse: 54 KB, MIME-type: image/jpeg)


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English: A vertical aerial photo of the Quaternary Fentale volcanic complex, lying along the main Ethiopian rift zone, shows its prominent summit caldera and lava flows forming its flanks. The 3 x 4 km caldera with steep-sided walls up to 500 m high is elongated perpendicular to the direction of the regional fissures of the Ethiopian Rift. Note the recent rhyolitic obsidian lava flow to the NE (upper right) marked with curved flow ridges. The dark lava flow on the caldera floor was erupted in 1820.
Dato published in or before 1971
Kilde http://www.volcano.si.edu/world/volcano.cfm?vnum=0201-19=&volpage=photos&photo=015077
Opphavsperson Imperial Highway Authority of Ethiopia
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This file is in the public domain because it is the work of the former Ethiopean Empire

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nåværende29. okt. 2010 kl. 16:48Miniatyrbilde av versjonen fra 29. okt. 2010 kl. 16:48601 × 480 (54 KB)Michael Metzger{{Information |Description={{en|1=A vertical aerial photo of the Quaternary Fentale volcanic complex, lying along the main Ethiopian rift zone, shows its prominent summit caldera and lava flows forming its flanks. The 3 x 4 km caldera with steep-sided wal

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