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Ion chromatography measurements of 1730 snow and firn samples obtained fromthree short cores and one pit in the Vostok station area, East Antarctica,allowed for the production of the combined volcanic record of the last 900years (AD 1093–2010). The resolution of the record is 2–3 samples peraccumulation year. In total, 24 volcanic events have been identified,including seven well-known low-latitude eruptions (Pinatubo 1991, Agung 1963,Krakatoa 1883, Tambora 1815, Huanaputina 1600, Kuwae 1452, El Chichon 1259)found in most of the polar ice cores. In comparison with three other EastAntarctic volcanic records (South Pole, Plateau Remote and Dome C), theVostok record contains more events within the last 900 years. The differencesbetween the records may be explained by local glaciological conditions,volcanic detection methodology, and, probably, differences in atmosphericcirculation patterns. The strongest volcanic signal (both in sulfateconcentration and flux) was attributed to the AD 1452 Kuwae eruption, similarto the Plateau Remote and Talos Dome records. The average snow accumulationrate calculated between volcanic stratigraphic horizons for the period AD1260–2010 is 20.9 mm H<sub>2</sub>O. Positive (+13%) anomalies of snowaccumulation were found for AD 1661–1815 and AD 1992–2010, and negative(−12%) for AD 1260–1601. We hypothesized that the changes in snowaccumulation are associated with regional peculiarities in atmospherictransport

High-resolution 900 year volcanic and climatic record from the Vostok area, East Antarctica