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West Bohemia earthquake 2018

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Journal Article

Fast and Robust Earthquake Source Spectra and Moment Magnitudes from Envelope Inversion

Tom Eulenfeld, Torsten Dahm, Sebastian Heimann, Ulrich Wegler
Published: 23 November 2021
Bulletin of the Seismological Society of America (2022) 112 (2): 878–893.
DOI: https://doi.org/10.1785/0120210200
... comprising the 2018 West Bohemia earthquake swarm. We report moment magnitudes, corner frequencies, and centroid moment tensors inverted from short‐period body waves with the Grond package for all earthquakes with a local magnitude larger than 1.8. Moment magnitudes calculated by envelope inversion show...
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Locations of <span class="search-highlight">earthquakes</span> (stars) according to Table  A1 . (a) The strongest...

Locations of earthquakes (stars) according to Table  A1 . (a) The strongest...

Published: 14 July 2021
. i.; GFZ, GeoForschungsZentrum; IRIS, Incorporated Research Institutions for Seismology; Jak., Jakoubková et al. (2018) ; USGS, U.S. Geological Survey; WEBNET, West Bohemia – Vogtland network. The color version of this figure is available only in the electronic edition.
Journal Article

Cross‐Regional Seismic Event Discrimination via Convolutional Neural Networks: Exploring Fine‐Tuning and Ensemble Averaging

Valentin Kasburg, Jozef Müller, Tom Eulenfeld, Alexander Breuer, Nina Kukowski
Published: 27 December 2023
Bulletin of the Seismological Society of America (2024) 114 (2): 842–856.
DOI: https://doi.org/10.1785/0120230198
... for Utah to 296 for Italy. Number of stationwise recorded earthquake (EQ) and QB events for Italy are 3,099/572, for West Bohemia 10,756/3,443, and for Utah 16,129/9,338. Inset figures show the location of the regions on the globe. Figure 2. Box plots for the distances from source to receiver...
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Focal Mechanisms of West Bohemia, Central Europe, Earthquakes—End of May 2014: Evidence of Volume Changes

Dana Křížová, Jiří Málek
Published: 14 July 2021
Seismological Research Letters (2021) 92 (6): 3398–3415.
DOI: https://doi.org/10.1785/0220200389
.... i.; GFZ, GeoForschungsZentrum; IRIS, Incorporated Research Institutions for Seismology; Jak., Jakoubková et al. (2018) ; USGS, U.S. Geological Survey; WEBNET, West Bohemia – Vogtland network. The color version of this figure is available only in the electronic edition. ...
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Reply to “Comment on ‘Attenuation in West Bohemia: Evidence of High Attenuation in the Nový Kostel Focal Zone and Temporal Change Consistent with CO 2 Degassing’ by M. Wcisło, L. Eisner, J. Málek, T. Fischer, J. Vlček, and G. Kletetschka” by Morozov

Miłosz Wcisło, Leo Eisner, Jiří Málek, Tomáš Fischer, Josef Vlček, Gunther Kletetschka
Published: 14 January 2020
Bulletin of the Seismological Society of America (2020) 110 (1): 375–380.
DOI: https://doi.org/10.1785/0120190100
... . Kriegerowski M. Cesca S. Ohrnberger M. Dahm T. , and Krüger F. 2019 . Event couple spectral ratio Q method for earthquake clusters: Application to North‐West Bohemia , Solid Earth 10 , no.  1 , 317 – 328 , doi: 10.5194/se-2018-87 . Morozov I. B. 2014 . Discussion...
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Non‐Double‐Couple Moment Tensors of Earthquakes Calculated Using Empirical Green’s Functions

Václav Vavryčuk, Petra Adamová
Published: 13 November 2019
Seismological Research Letters (2020) 91 (1): 390–398.
DOI: https://doi.org/10.1785/0220190154
.... , and Fischer T. 2018 . 2014 mainshock‐aftershock activity versus earthquake swarms in West Bohemia, Czech Republic , Pure Appl. Geophys. 175 , no.  1 , 109 – 131 , doi: 10.1007/s00024-017-1679-7 . Julian B. R. Miller A. D. , and Foulger G. R. 1998 . Non‐double‐couple earthquakes...
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A Deep Convolutional Neural Network for Localization of Clustered Earthquakes Based on Multistation Full Waveforms

Marius Kriegerowski, Gesa M. Petersen, Hannes Vasyura‐Bathke, Matthias Ohrnberger
Published: 19 December 2018
Seismological Research Letters (2019) 90 (2A): 510–516.
DOI: https://doi.org/10.1785/0220180320
... to features that characterize the waveforms it is trained on. We show that this layer can therefore additionally be used as an event detector. As a test case, we trained our CNN using more than 2000 earthquake swarm events from West Bohemia, recorded by nine local three‐component stations. The CNN...
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Waveform Cross‐Correlation for Differential Time Measurement: Bias and Limitations

Martin Bachura, Tomáš Fischer
Published: 21 August 2019
Seismological Research Letters (2019) 90 (5): 2005–2014.
DOI: https://doi.org/10.1785/0220190096
... time, the locations of the weak events are improved. We demonstrate the mislocation potential of the error on relocated hypocenters of mainshock–aftershock sequences and earthquake swarms from West Bohemia, as well as on synthetic tests. The error cannot be avoided by changing the cross‐correlated...
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Lifecycle of an Isolated Seismic Swarm in Continental Southern Norway from Nucleation, Acceleration, and Yielding to the Demise of Fault Slip

Felix Halpaap, Lars Ottemöller, Hasbi Ash Shiddiqi, Stéphane Rondenay
Published: 28 October 2024
Seismological Research Letters (2024)
DOI: https://doi.org/10.1785/0220240054
... temporary deployments, the Bergen Arcs Seismic Experiment to the west ( Rondenay et al. , 2018 ) and the Kongsberg experiment to the southeast ( Maupin, 2018 ), operated until summer of 2021. To resolve the development of the Bitdal valley earthquake activity, we conducted the following steps beyond...
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Early Publication
Journal Article

Indication of Fluid‐Driven Seismicity in the Palghar Region, India, from Local Earthquake Tomography

Jyotima Kanaujia, Mangalampally Ravi Kumar, Pavan Kumar Vengala, Mandadi Shekar
Published: 03 January 2025
Bulletin of the Seismological Society of America (2025)
DOI: https://doi.org/10.1785/0120240071
... . Fischer T. Horálek J. Hrubcová P. Vavryčuk V. Bräuer K. , and Kämpf H. 2014 . Intracontinental earthquake swarms in West‐Bohemia and Vogtland: A review , Tectonophysics 611 , 1 – 27 . Gahalaut K. Gahalaut V. Naresh B. Shekar M. Sunilkumar T...
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Detection of Gutenberg–Richter b ‐Value Changes in Earthquake Time Series

Bernhard Fiedler, Sebastian Hainzl, Gert Zöller, Matthias Holschneider
Published: 21 August 2018
Bulletin of the Seismological Society of America (2018) 108 (5A): 2778–2787.
DOI: https://doi.org/10.1785/0120180091
..., and (d) the M  9.0 Tohoku mainshock; and earthquake swarms in West Bohemia in the year (e) 2000 and (f) 2008. In all cases, the recorded magnitudes are shown with gray dots, and our resulting b ‐value estimates are shown in red. For comparison, the maximum‐likelihood b ‐value estimate...
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Comment on “Attenuation in West Bohemia: Evidence of High Attenuation in the Nový Kostel Focal Zone and Temporal Change Consistent with CO 2 Degassing” by M. Wcisło, L. Eisner, J. Málek, T. Fischer, J. Vlček, and G. Kletetschka

Igor B. Morozov
Published: 14 January 2020
Bulletin of the Seismological Society of America (2020) 110 (1): 368–374.
DOI: https://doi.org/10.1785/0120180143
... observations. In a recent paper in the BSSA , Wcisło et al. (2018) use a swarm of earthquakes in West Bohemia (central Europe) to characterize seismic attenuation within this region. However, although the authors’ linking CO 2 degassing within the focal zone to temporal variations of direct...
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Induced Microseismic Event with Strong Rupture Directivity and Superimposed Attenuation Effects

Miłosz Wcisło, František Staněk, František Gallovič, Shaojiang Wu, Ivan Pšenčík
Published: 01 March 2023
Seismological Research Letters (2023) 94 (3): 1455–1466.
DOI: https://doi.org/10.1785/0220220229
... , Geophysics 75 , 129 – 137 . Michálek J. , and Fischer T. 2013 . Source parameters of the swarm earthquakes in west Bohemia/Vogtland , Geophys. J. Int. 195 , no.  2 , 1196 – 1210 . Mikhaltsevitch V. Lebedev M. Pervukhina M. , and Gurevich B. 2020 . Seismic...
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German Seismic and Infrasound Networks Contributing to the European Integrated Data Archive (EIDA)

Klaus Stammler, Monika Bischoff, Andrea Brüstle, Lars Ceranna, Stefanie Donner, Kasper Fischer, Peter Gaebler, Wolfgang Friederich, Sigward Funke, Gernot Hartmann, Benjamin Homuth, Brigitte Knapmeyer‐Endrun, Michael Korn, Tobias Megies, Christoph Pilger, Thomas Plenefisch, Ina Pustal, Ivo Rappsilber, Bernd Schmidt, Lutz Sonnabend, Stefan Stange, Joachim Wassermann, Ulrich Wegler
Published: 07 April 2021
Seismological Research Letters (2021) 92 (3): 1854–1875.
DOI: https://doi.org/10.1785/0220200401
... Regional Seismic Network (GRSN) [Data set] , Bundesanstalt für Geowissenschaften und Rohstoffe , doi: 10.25928/mbx6-hr74 . Fischer T. Horálek J. Hrubcová P. Vavryčuk V. Bräuer K. , and Kämpf H. 2014 . Intra‐continental earthquake swarms in West‐Bohemia and Vogtland...
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The Influence of a Transitional Stress Regime on the Source Characteristics of Induced Seismicity and Fault Activation: Evidence from the 30 November 2018 Fort St. John M L 4.5 Induced Earthquake Sequence

Rebecca O. Salvage, David W. Eaton
Published: 04 April 2022
Bulletin of the Seismological Society of America (2022) 112 (3): 1336–1355.
DOI: https://doi.org/10.1785/0120210210
.... , and Jónsson S. 2020 . The Bayesian earthquake analysis tool , Seismol. Res. Lett. 91 , no.  2A , 1003 – 1018 . Vavryčuk V. 2011 . Principal earthquakes: Theory and observations from the 2008 West Bohemia swarm , Earth Planet. Sci. Lett. 305 , nos.  3/4 , 290 – 296 , doi: 10.1016...
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Earthquake Swarms in Southern Hispaniola Revealed by Spatiotemporal Evolution of Seismicity from Multi‐Station Template Matching

Hsin‐Yu Lee, Roby Douilly
Published: 13 December 2022
Bulletin of the Seismological Society of America (2023) 113 (1): 115–130.
DOI: https://doi.org/10.1785/0120220125
... patterns at the Reykjanes geothermal field, Iceland , Geophys. J. Int. 228 , no.  3 , 1866 – 1886 , doi: 10.1093/gji/ggab423 . Fischer T. Horálek J. Hrubcová P. Vavryčuk V. Bräuer K. , and Kämpf H. 2014 . Intra‐continental earthquake swarms in West‐Bohemia and Vogtland...
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Inconsistencies and Lurking Pitfalls in the Magnitude–Frequency Distribution of High‐Resolution Earthquake Catalogs

Marcus Herrmann, Warner Marzocchi
Published: 16 December 2020
Seismological Research Letters (2021) 92 (2A): 909–922.
DOI: https://doi.org/10.1785/0220200337
... ( Habermann, 1987 ; Zúñiga and Wyss, 1995 ; Tormann et al. , 2010 ; Kamer and Hiemer, 2015 ) and that major earthquakes lead to marked under‐reporting of small events shortly after ( Kagan, 2004 ; Helmstetter et al. , 2006 ; Hainzl, 2016 ; de Arcangelis et al. , 2018 ). Moreover, a single uniform...
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Seismotectonics of the 2017–2018 Songyuan Earthquake Sequence, Northeastern China: Passive Bookshelf Faulting and Block Rotation in the Songliao Basin

Zhe Su, Xi‐Wei Xu, Shan‐Shan Liang, Erchie Wang
Published: 11 March 2020
Seismological Research Letters (2020) 91 (3): 1593–1605.
DOI: https://doi.org/10.1785/0220190251
... earthquake sequence. The 2017 M L 5.3 aftershock cluster coincided with the northeast‐striking Fuyu–Zhaodong fault (FZF), and the 2018 aftershock swarm followed the linear trend (N42°W) of the Songhuajiang fault (SHF). In addition, the forward modeling results indicate that during the earthquakes, right...
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Macroseismic analysis and the determination of a focal mechanism of the 31 October 2019, KwaZulu-Natal earthquake in South Africa

B. Manzunzu, V. Midzi, T. Zulu, K. Mphahlele
Published: 01 March 2023
South African Journal of Geology (2023) 126 (1): 113–126.
DOI: https://doi.org/10.25131/sajg.126.0002
... . Špičák , A. and Horálek , J. , 2001 . Possible role of fluids in the process of earthquake swarm generation in the West Bohemia/Vogtland seismoactive region . Tectonophysics , 336 , 151 - 161 . Strasser , F.O. and Mangongolo , A. , 2013 . TNSP Earthquake Catalogue. 2012...
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Double Seismic Zones along the Eastern Aleutian‐Alaska Subduction Zone Revealed by a High‐Precision Earthquake Relocation Catalog

Farzaneh Aziz Zanjani, Guoqing Lin
Published: 05 July 2022
Seismological Research Letters (2022) 93 (5): 2753–2769.
DOI: https://doi.org/10.1785/0220210348
.... During the operation of the USArray, three earthquakes with magnitudes >7 occurred in Alaska, including the 2016 M w  7.1 Iniskin and the 2018 M w  7.1 Anchorage earthquakes ( Ruppert and West, 2019 ). These large earthquakes shook the most populated areas of the state. The 2016...
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