EXTREME CLIMATE AFTER MASSIVE ERUPTION OF ALASKA'S OKMOK VOLCANO IN 43 BCE AND EFFECTS ON THE LATE ROMAN REPUBLIC AND PTOLEMAIC KINGDOM
McConnell, J.R., Sigl, Michael, Plunkett, Gil, Burke, Andrea, Kim, W.M., Raible, C.C., Wilson, A.I., Manning, J.G., Ludlow, Francis, Chellman, N.J., Innes, H.M., Yang, Zhen, Larsen, J.F., Schaefer, J.R., Kipfstuhl, Sepp, Mojtabavi, Seyedhamidreza, Wilhelms, Frank, Opel, Thomas, Meyer, Hanno, and Steffensen, J.P., 2020, Extreme climate after massive eruption of Alaska's Okmok volcano in 43 BCE and effects on the late Roman Republic and Ptolemaic Kingdom: Proceedings of the National Academy of Science of the United States of America, 7 p., www.pnas.org/cgi/doi/10.1073/pnas.2002722117.
article on PNAS website