Seismic event near Jarocin (Poland)

Lizurek, Grzegorz; Plesiewicz, Beata; Wiejacz, P.; Wiszniowski, Jan; Trojanowski, Jacek

doi:10.2478/s11600-012-0052-6

Cited by 13 publications

(10 citation statements)

References 8 publications

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“…The tectonic seismicity of Poland is weak and characterized by the rare occurrence of small-to-moderate natural earthquakes (e.g., Dębski et al, 1997;Domański, 2007;Wiejacz and Dęb-ski, 2009;Lizurek et al, 2013). However, Poland is faced with a relevant human-induced seismicity, especially linked to hard coal (e.g., Stec, 2007), brown coal (Wiejacz and Rudziński, 2010), and copper mining (Lizurek et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Complex Rupture Process of the 19 March 2013, Rudna Mine (Poland) Induced Seismic Event and Collapse in the Light of Local and Regional Moment Tensor Inversion

Rudziński¹,

Cesca²,

Lizurek³

2016

Seismological Research Letters

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On 19 March 2013, a strong, shallow, induced seismic event struck a mining panel in the room-and-pillar Rudna copper mine in southeastern Poland. The event caused important damage at the mining tunnel and trapped 19 miners, who were safely rescued a few hours later. Although mining-induced seismicity is frequent at this mine, the 19 March event was unusual because of its larger magnitude, its occurrence far from the mining stopes, and because it was accompanied by a strong hazardous rockburst. The mining inspections following the event verified the occurrence of a rockfall with tunnel floor uplift but also recognized the presence of a faulting structure at the hypocentral location. The availability of three monitoring networks (including local and regional data, short-period and broadband seismometers, and surface and in-mine installation) presented an optimal setup to determine rupture parameters and to compare the performance and results from different installations. We performed waveform and spectral-based analysis to infer source properties, with a particular interest to the determination of the rupture processes, using different moment tensor (MT) inversion techniques. Our results are surprisingly different, ranging from a dominant thrust mechanism, resolved at closest distances, to a collapse-type rupture, resolved at regional distances. We demonstrate that a complex rupture model is needed to explain all observations and to justify these discrepancies. The final scenario indicates that the rupture nucleated as a weaker thrust mechanism along a pre-existing weakened surface and then continued in a more energetic collapse event. The local LUMINEOS surface network has the potential to resolve both subevents but not using a standard MT decomposition. Here, we propose a new MT decomposition and an alternative MT fitting procedure that can be used to analyze the MT of collapse sources.Online Material: Tables of regional stations and source parameters, and figure of displacement seismograms.

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Section: Introductionmentioning

confidence: 99%

Complex Rupture Process of the 19 March 2013, Rudna Mine (Poland) Induced Seismic Event and Collapse in the Light of Local and Regional Moment Tensor Inversion

Rudziński¹,

Cesca²,

Lizurek³

2016

Seismological Research Letters

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“…About 5 years later, on January 6, 2012, an earthquake of M w = 3.5, I o = 5, occurred in the same area of the western edges of the TTZ in the vicinity of the Dolsk fault. In the same area, a weak shock was felt in December 1824 (Lizurek et al 2013).…”

Section: Region I: Teisseyre-tornquist Zonementioning

confidence: 93%

“…Depth of the last event on January 6, 2012, determined after macroseismic data, was also shallow, i.e., 4.5 km (after Lizurek et al 2013). …”

Section: Region I: Teisseyre-tornquist Zonementioning

confidence: 96%

Studies of Historical Earthquakes in Southern Poland

Guterch¹,

Kozák²

2015

GeoPlanet: Earth and Planetary Sciences

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“…Seismic data from server in Hanoi is transmitted to Warsaw where waveforms are stored on a RAID matrix. The whole system combines earlier solutions (Lizurek et al 2013, Trojanowski et al 2015. It allows visualizing data in real time, saving and studying them as well as monitoring and controlling the data acquisition system.…”

Section: Phase III -From August 2013 -New Joint Seismic Networkmentioning

confidence: 99%

Preliminary Results of Anthropogenic Seismicity Monitoring in the Region of Song Tranh 2 Reservoir, Central Vietnam

et al. 2015

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A b s t r a c t Song Tranh 2 hydropower plant and the reservoir containing backed up water are located in the Quang Nam province (Central Vietnam). The region experiences unusual seismic activity related to the reservoir impoundment, with earthquakes of magnitude up to 4.7. In result of cooperation between the Institute of Geophysics, Vietnam Academy of Sciences and Technology and the Institute of Geophysics, Polish Academy of Sciences a seismic network has been built to facilitate seismic monitoring of the Song Tranh 2 area. The network, operating since August 2013, consists of 10 seismic stations. Here we show that the network is sufficient for advanced data processing. The first results of monitoring of the earthquake activity in Song Tranh 2 area in the period between 2012 and 2014, especially the completeness of catalogs, study and comparisons between water level and the seismic activity suggest direct connection between reservoir exploitation and anthropogenic seismicity.

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Seismic event near Jarocin (Poland)

Cited by 13 publications

References 8 publications

Complex Rupture Process of the 19 March 2013, Rudna Mine (Poland) Induced Seismic Event and Collapse in the Light of Local and Regional Moment Tensor Inversion

Complex Rupture Process of the 19 March 2013, Rudna Mine (Poland) Induced Seismic Event and Collapse in the Light of Local and Regional Moment Tensor Inversion

Studies of Historical Earthquakes in Southern Poland

Preliminary Results of Anthropogenic Seismicity Monitoring in the Region of Song Tranh 2 Reservoir, Central Vietnam

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