European feedback on post-mining seismicity

• Autorzy: Contrucci Isabelle , Namjesnik Dalija , Niemz Peter , Primo Paloma , Kotyrba Andrzej , Mutke Grzegorz , Konicek Petr , Dominique Pascal , Rudolph Tobias , Möllerherm Stefan , Kinscher Jannes , Klein Emmanuelle , Cesca Simone

Identyfikatory

DOI

10.46873/2300-3960.1385

• Języki publikacji: EN

Abstrakty

EN

Following the Paris Agreement adopted in 2015, Europe has committed to reducing its greenhouse gas emissions. In this context, the abandonment of coal as an energy source, both in terms of consumption and production, will lead to the closure of many mines in the years to come. Mine closure guidelines to manage residual mining risks already exist in European countries. However, they do not include post-mining seismic risk management due to a lack of sufficient studies and knowledge on this subject. After mining closure, the flooding of the mining works leads to hydromechanical loading of the underground and, in the longer term, to diffusion and an increase in the pore pressure. These conditions can lead, in certain situations, to the reactivation of tectonic faults, which may cause seismic events strong enough to be felt on the surface or even produce damage. Events of lower magnitudes, usually attributed to the remobilization of old mining works, are referred to as post-mining seismic hazards. The European RFCS PostMinQuake project, which started in 2020, aims to study this hazard at five mining basins located in France, Germany, Poland and the Czech Republic, known to have experienced significant seismicity during their operation. This analysis, based on the feedback of the partners of the project, aims to frame an inventory of the five studied mining basins, which all encounter post-mining seismicity problem today. Three basins out of five show events with local magnitudes of the order of 3-3.5, which took place between nine and thirteen years after the closure of the mines. Even though the magnitudes of these earthquakes are small to moderate, they are felt on the surface as they occur at shallow depths. In all of the considered countries, a national seismological network exists, however, none of them is fully dedicated to post-mining seismic monitoring. These networks generally consist of a sparse mesh of stations, which does not allow the detection of events of magnitude less than 1 and the location of events have high spatial uncertainties. France is not an exception, but it relies on microseismic monitoring to detect early signs of instability at the level of mining structures and to anticipate the possible appearance of surface disorders. Out of the five basins that are studied, the Gardanne basin, which has been monitored since 2008, is the most documented case study of post-mining seismicity. This article also shows the difficulty in identifying the key conditions and factors that can lead to the remobilization of faults.

Słowa kluczowe

EN

coal basin; mine closure; induced and triggered seismicity; post-mining risk

PL

zagłębie węglowe; zamknięcie kopalń; sejsmiczność indukowana i wyzwalana; ryzyko poeksploatacyjne

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2023
• Tom: Vol. 22. iss. 3
• Strony: 195--218
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Contrucci Isabelle

• Ineris, Institut National de l'environnement Industriel et des Risques, Ecole des Mines de Nancy, Campus ARTEM, 92 Rue Du Sergen Blandan, BP 14234, F54042, Nancy Cedex, France

• https://orcid.org/0000-0003-1695-328X

autor

Namjesnik Dalija

• Ineris, Institut National de l'environnement Industriel et des Risques, Ecole des Mines de Nancy, Campus ARTEM, 92 Rue Du Sergen Blandan, BP 14234, F54042, Nancy Cedex, France

• https://orcid.org/0000-0001-8778-2639

autor

Niemz Peter

• GFZ, Helmholtz-Zentrum Potsdam, Deutsches GeoForschungsZentrum GFZ, Stiftung des o€ff. Rechts Land Brandenburg, Telegrafenberg, 14473, Potsdam, Germany

• https://orcid.org/0000-0002-0612-662X

autor

Primo Paloma

• FZN-THGA, Forschungszentrum Nachbergbau, Technische Hochschule Georg Agricola, Herner Straße 45, 44787, Bochum, Germany

• https://orcid.org/0009-0003-6059-7793

autor

Kotyrba Andrzej

• GIG, Central Mining Institue, Zakład Geologii, Geofizyki i Ochrony Powierzchni, Główny Instytut Górnictwa, Pl. Gwarków 1, 40 166, Katowice, Poland

• https://orcid.org/0000-0003-4542-3114

autor

Mutke Grzegorz

• GIG, Central Mining Institue, Zakład Geologii, Geofizyki i Ochrony Powierzchni, Główny Instytut Górnictwa, Pl. Gwarków 1, 40 166, Katowice, Poland

• https://orcid.org/0000-0001-8181-0758

autor

Konicek Petr

• IGN, Institute of Geonics of the CAS CR (IGN), Studentska 1768, 70800, Ostrava-Poruba, Czech Republic

• https://orcid.org/0000-0003-2852-8619

autor

Dominique Pascal

• BRGM, 3 Avenue Claude-Guillemin, BP 36009, 45060, Orleans, Cedex 02, France

• https://orcid.org/0000-0002-5519-6771

autor

Rudolph Tobias

• FZN-THGA, Forschungszentrum Nachbergbau, Technische Hochschule Georg Agricola, Herner Straße 45, 44787, Bochum, Germany

• https://orcid.org/0000-0003-0113-453X

autor

Möllerherm Stefan

• FZN-THGA, Forschungszentrum Nachbergbau, Technische Hochschule Georg Agricola, Herner Straße 45, 44787, Bochum, Germany

• https://orcid.org/0000-0002-0610-659X

autor

Kinscher Jannes

• Ineris, Institut National de l'environnement Industriel et des Risques, Ecole des Mines de Nancy, Campus ARTEM, 92 Rue Du Sergen Blandan, BP 14234, F54042, Nancy Cedex, France

• https://orcid.org/0000-0003-4893-645X

autor

Klein Emmanuelle

• Ineris, Institut National de l'environnement Industriel et des Risques, Ecole des Mines de Nancy, Campus ARTEM, 92 Rue Du Sergen Blandan, BP 14234, F54042, Nancy Cedex, France

• https://orcid.org/0000-0002-5666-7643

autor

Cesca Simone

• GFZ, Helmholtz-Zentrum Potsdam, Deutsches GeoForschungsZentrum GFZ, Stiftung des o€ff. Rechts Land Brandenburg, Telegrafenberg, 14473, Potsdam, Germany

• https://orcid.org/0000-0001-9419-3904

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).