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Opala volcano : ウィキペディア英語版 | Opala volcano
Opala ((ロシア語:Опала)) is a stratovolcano located in the southern part of Kamchatka Peninsula, Russia. ==Recent eruption history== The latest major explosive eruption formed the prominent Barany Amphitheater on the SE flank about 1500 years ago. The 2 x 2.5 km summit crater contains a lava dome 1 km wide. Mild explosive eruptions have been reported from summit and flank vents at Opala in historical time. Recent tephrochronological work has revealed evidence for a large explosive eruption from the summit crater about 300 years ago.〔("Opala" ) ''Global Volcanism Program''. Retrieved 2011-11-26.〕
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