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Okmok

The 10km-wide caldera on Alaska's Unmak Island formed during the 43 BC Okmok II eruption that contributed to the collapse of Rome. Source: Kerry Key (Columbia University, New York, NY/ Desert Research Institute

Discovered: The Highland Volcano That Collapsed Ancient Rome

Following Julius Caesar ’ s assassination in 44 BC extreme climate change led to crop failures which in turn fueled the increasing social unrest in Rome, adding greatly to the social disruption...