Extreme climate after massive eruption of Alaska’s Okmok volcano in 43 BC and its effects on the civil wars of the late Roman Republic

McConnell, J. R., Sigl, M., Plunkett, G., Extreme climate after massive eruption of Alaska’s Okmok volcano in 43 BC and its effects on the civil wars of the late Roman Republic, Proc Natl Acad Sci U.S.A., 10.1073/pnas.2002722117