Tyatya, a stratovolcano in Kunashir Island w/ summit that collapsed to form a caldera refilled by new volcanic cone rising above the caldera http://pic.twitter.com/QxcQFSBcVJ
— jaime s. sincioco (@jaimessincioco) April 10, 2017
via Twitter https://twitter.com/jaimessincioco
April 10, 2017 at 06:40AM
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