Active source seismic experiment peers under Soufrière hills volcano.

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Active source seismic experiment peers under Soufrière hills volcano.

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Title: Active source seismic experiment peers under Soufrière hills volcano.
Author: Voight, Barry.; Sparks, R. S. J.; Shalev, E.; Malin, P.; Kenedi, C.; Minshull, T. A.; Paulatto, M.; Mattioli, Glen.; Hidayat, Dannie.; Widiwijayanti, Christina.; Hammond, J.
Copyright year: 2010
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.
Subject: DRNTU::Science::Geology::Volcanoes and earthquakes.
Type: Journal Article
Series/ Journal Title: Eos, transactions American geophysical union
Rights: © 2010 American Geophysical Union (AGU). This paper was published in Eos, Transactions American Geophysical Union and is made available as an electronic reprint (preprint) with permission of (AGU). The paper can be found at the following official DOI: [http://dx.doi.org/10.1029/2010EO280002]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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