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https://doi.org/10.31905/IPFJ9U8F

Submission date: 22-06-2021

Seismicity of the eastern Hellenic Subduction Zone, Event and phase catalogue of the temporary LIBNET network

Dirk Becker ⁽¹⁾, Martina Rische ⁽²⁾, Marco Bohnhoff ⁽³⁾, Thomas Meier ⁽⁴⁾, Hans-Peter Harjes ⁽⁵⁾,

(1) Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Section 4.2: Geomechanics and Scientific Drilling, Potsdam, Germany (formerly Ruhr University Bochum)
(2) Ruhr-University Bochum, Institute of Geology, Mineralogy and Geophysics, Germany
(3) Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Section 4.2: Geomechanics and Scientific Drilling, Potsdam, Germany (formerly Ruhr University Bochum and Free University Berlin, Germany
(4) Christian-Albrechts-University Kiel, Institute of Geosciences, Germany
(5) Ruhr-University Bochum, Institute of Geology, Mineralogy and Geophysics, Germany

Brief Description: During the SFB 526 ”Rheology of the Earth” at the Ruhr-University Bochum, Germany, several temporary seismological networks were deployed in the southern Aegean to study the seismotectonic behaviour of the Hellenic Subduction Zone. The amphibian LIBNET network covered the offshore region south of eastern Crete in the area of the so-called Ptolemy, Pliny, and Strabo trenches from July 2003 to June 2004 with various network configurations. The network was supplemented by 5 onshore stations at the south coast of Crete incorporated into the data analysis. The data evaluation was complemented by permanent stations of the NOA, MEDNET and GEOFON networks. The catalogue contains more than 2500 earthquake locations covering the region investigated by the grid search of the probabilistic earthquake localization scheme (roughly 33.35°N-35.625°N and 23.35°E-27.05°E). All phase onsets were manually determined. The LIBNET network and the data evaluation leading to the creation of the here presented LIBNET catalogue was funded by the German Research Foundation (DFG) within the collaborative research center 526 “Rheology of the Earth: From the Upper Crust to the Subduction Zone”. The reference publication with detailed information about phase determination, velocity model and station corrections is Becker, D., Meier, T., Bohnhoff, M., & Harjes, H.-P. (2009). Seismicity at the convergent plate boundary offshore Crete, Greece, observed by an amphibian network, J. Seismol., 14 (2), 369-392, doi:10.1007/s10950-009-9170-2. Waveforms of the offshore OBS stations of LIBNET are stored at the GEOFON project including dataless seed volume of the stations metadata. The network ID for the LIBNET network is ZZ (http://doi:10.14470/MM7557265463).

Corresponding Author:

Dirk Becker

Related Publications:

Becker, D., Meier, T., Bohnhoff, M., & Harjes, H.-P. (2009). Seismicity at the convergent plate boundary offshore Crete, Greece, observed by an amphibian network, J. Seismol., 14 (2), 369-392, doi:10.1007/s10950-009-9170-2.

Acknowledgement:

This work was done within the SFB 526 ”Rheology of the Earth” funded by the German Research Foundation DFG. The LIBNET network was carried out with the help of the National Observatory of Athens NOA, the Technical University Chania, the GeoForschungsZentrum Potsdam GFZ and the GEOPRO GmbH that performed the deployment and recovery of the OBS.

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LIBNET_catalog.tgz File size: 516K

File Contents:

catalogue-description.pdf

LIBNET_NLL.lis

Cite as:

Becker, D., Rische, M., Bohnhoff, M., Meier, T., Harjes, H. (2021). Seismicity of the eastern Hellenic Subduction Zone, Event and phase catalogue of the temporary LIBNET network, ISC Seismological Dataset Repository, https://doi.org/10.31905/IPFJ9U8F