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http://hdl.handle.net/2122/14834
Authors: | Mazzini, Adriano* Carrier, Aurore* Sciarra, Alessandra* Fischanger, Federico* Winarto‐Putro, Anton* Lupi, Matteo* |
Title: | 3D Deep Electrical Resistivity Tomography of the Lusi Eruption Site in East Java | Journal: | Geophysical Research Letters | Series/Report no.: | /48 (2021) | Publisher: | Wiley-Agu | Issue Date: | 26-Aug-2021 | DOI: | 10.1029/2021GL092632 | Keywords: | Extensive 3D deep electrical resistivity tomography Lusi Eruption Site in East Java |
Subject Classification: | 04.02. Exploration geophysics 04.07. Tectonophysics |
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. |
Appears in Collections: | Article published / in press |
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File | Description | Size | Format | |
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2021GL092632.pdf | Open Access published article | 2.23 MB | Adobe PDF | View/Open |
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