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    Active source seismic experiment peers under Soufrière Hills volcano

    Voight, B. and Sparks, R.S.J. and Hammond, James O.S. and Shalev, E. and Malin, P. and Kenedi, C. and Minshull, T.A. and Paulatto, M. and Mattioli, G. and Hidayat, D. and Widiwijayanti, C. (2010) Active source seismic experiment peers under Soufrière Hills volcano. Eos 91 (28), pp. 245-247. ISSN 0096-3941.

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    Abstract

    Characterizing internal structures of active volcanoes remains an enigmatic issue in geosciences. Yet studies of such structures can greatly improve hazard assessments, helping scientists to better monitor seismic signatures, geodetic deformation, and gas emissions, data that can be used to improve models and forecasts of future eruptions. Several passive seismic tomography experiments—which use travel times of seismic waves from natural earthquakes to image underground structures—have been conducted at active volcanoes (Hawaii's Kilauea, Washington's Mount St. Helens, Italy's Etna, and Japan's Unzen), but an inhomogeneous distribution of earthquakes compromises resolution. Further, if volcanic earthquakes are dominantly shallow at a given location, passive methods are limited to studying only shallow features. Thus, active source experiments—where seismic waves from the explosion of deliberately set charges are used to image below the surface—hold great potential to illuminate structures not readily seen through passive measures.

    Metadata

    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Depositing User: Sarah Hall
    Date Deposited: 24 May 2016 09:15
    Last Modified: 02 Aug 2023 17:24
    URI: https://eprints.bbk.ac.uk/id/eprint/15305

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