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  AI-based anatomy of the continuous seismic wavefield at Sos Enattos (Sardinia, Italy) over one year of data

Zerafa, C., Leonard, S., Giunchi, C., Cianetti, S., Naticchioni, L., D'Urso, D. (2023): AI-based anatomy of the continuous seismic wavefield at Sos Enattos (Sardinia, Italy) over one year of data, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4332

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021766 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021766_1
Genre: Conference Paper

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 Creators:
Zerafa, Christopher1, Author
Leonard, Seydoux1, Author
Giunchi, Carlo1, Author
Cianetti, Spina1, Author
Naticchioni, Luca1, Author
D'Urso, Domenico1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Sardinia is a seismically quiet region: for this reason, it has been proposed as an excellent location to host fundamental physics experiments requiring low seismic ambient noise such as the Einstein Telescope, the third-generation gravitational wave observatory. In the framework of the instrumental deployment to characterise the formerly lead and zinc mine of Sos Enattos, currently dismissed and converted to a low-noise laboratory, we focus on the link between the records from seismic stations in different locations and the meteorological records collected in their vicinity. To do this, we use a scattering network, a convolutional neural network with wavelet filters, to extract relevant spectro-temporal features at different time scales of the signal. We then use a dimensionality reduction algorithm to reduce the features' dimensions and apply a hierarchical clustering algorithm to identify patterns in the continuous seismic data. We choose hierarchical clustering because it allows us to understand the inter-cluster similarity. We finally investigate the link between these clusters and the external meteorological data collected nearby and reveal the mutual information between the two datasets.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
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 Identifiers: DOI: 10.57757/IUGG23-4332
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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