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3D Deep Electrical Resistivity Tomography of the Lusi Eruption Site in East Java
Author(s)
Language
English
Obiettivo Specifico
7A. Geofisica per il monitoraggio ambientale
Status
Published
JCR Journal
JCR Journal
Peer review journal
Yes
Title of the book
Issue/vol(year)
/48 (2021)
ISSN
0094-8276
Publisher
Wiley-Agu
Pages (printed)
e2021GL092632
Issued date
August 26, 2021
Abstract
Lusi is a sediment-hosted geothermal system relentlessly erupting since May 2006 in the East Java back-arc sedimentary basin. Lusi provides the unprecedented opportunity to study the development of the early phases of a new-born piercement structure and its impact on society. In order to investigate the shallow plumbing system of this large-scale eruption, we deployed a pool of 25 IRIS V-Fullwavers to conduct a 3D deep electrical resistivity tomography extending over ∼15 km2 around the eruption site. The inverted data reveal the structure of the subsided area hosting the region where a mix of groundwater, mud breccia, hydrocarbons and boiling hydrothermal fluids are stored. Our investigation also points out the link between a well-developed fault system and the upwelling of the deep-seated fluids that initiated, and still drive, the development of the new-born Lusi eruption.
Type
article
File(s)
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Name
2021GL092632.pdf
Description
Open Access published article
Size
2.17 MB
Format
Adobe PDF
Checksum (MD5)
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