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Abstract
A photogrammetric method is described for analyzing the geometric and dynamic parameters of volcanic eruptions, which makes it possible to estimate the scale of developing eruptions and promotes a more complete understanding of their mechanics. Digital models are constructed for different periods of volcanic activity on the basis of near-vertical and oblique aerial photographs. The method is illustrated with observations from several volcanoes on the Kamchatka Peninsula, taken since 1977 with a frequency of 12–15 times per year. Translated by Edward Torrey, Alexandria, VA 22308 from: Geodeziya i kartografiya, 1989, No. 1, pp. 22–29.