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Analysis of pressure waves observed in Sakurajima eruption movies

Earth, Planets and Space volume 59, pages 177–181 (2007)Cite this article

Abstract

Four eruption movies of Sakurajima volcano taken in the 1980s are analyzed. Pressure waves associated with these eruptions are identified by changes in luminance using a new image processing method. Results of the processing determined the apparent speeds of these waves at approximately 342–574 m/s. Further, spatial characteristics of the pressure waves are quantitatively investigated to estimate the source conditions of volcanic explosions.

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Authors and Affiliations

  1. Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 1722-19 Sakurajima-Yokoyamacho, Kagoshima, 891-1419, Japan

    Akihiko Yokoo & Kazuhiro Ishihara

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  1. Akihiko Yokoo
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  2. Kazuhiro Ishihara
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Correspondence to Akihiko Yokoo.

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Yokoo, A., Ishihara, K. Analysis of pressure waves observed in Sakurajima eruption movies. Earth Planet Sp 59, 177–181 (2007). https://doi.org/10.1186/BF03352691

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  • DOI: https://doi.org/10.1186/BF03352691

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