English
 
Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
Add to Basket
  Local TagsRelease HistoryDetailsSummary

Released
Conference Paper

Site characterization using H/V spectral ratios from combined DAS and broadband ambient noise measurements on Mt. Etna, Italy

Authors
/persons/resource/paetzel

Pätzel,  Jonas
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/pjousset

Jousset,  P.
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Currenti,  Gilda
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/lotte

Krawczyk,  C.M.
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

External Ressource
No external resources are shared
Fulltext (public)
There are no public fulltexts stored in GFZpublic
Supplementary Material (public)
There is no public supplementary material available
Citation

Pätzel, J., Jousset, P., Currenti, G., Krawczyk, C. (2023): Site characterization using H/V spectral ratios from combined DAS and broadband ambient noise measurements on Mt. Etna, Italy, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4463


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021892
Abstract
Horizontal-to-vertical (H/V) spectral ratios have proven to be an inexpensive and easy tool to gain insight into local site effects. Here we attempt to extend the method to distributed acoustic sensing data by combined processing of records from an array of 26 broadband seismometers and a 1.5 km long fibre optic cable on the North-East flank of Etna volcano. Using the same processing steps as for conventional H/V computing on seismometers, we derive spectral ratios along the trajectory of the fibre.Results show, that this approach is suited to assess the site response in higher spatial resolution than with broadband seismometers only. The H/V peak frequency distribution generally agrees with results from the array, in some parts indicating otherwise not resolved geological structures. Localized strong amplitude changes in the spectral ratio, coincide with the cable crossing known fault zones.