{"id":412,"date":"2017-12-29T12:44:00","date_gmt":"2017-12-29T11:44:00","guid":{"rendered":"http:\/\/igcas.antstudio.eu\/?page_id=412"},"modified":"2020-12-21T19:35:03","modified_gmt":"2020-12-21T18:35:03","slug":"seismology","status":"publish","type":"page","link":"https:\/\/www.ig.cas.cz\/en\/research\/seismology\/","title":{"rendered":"Seismology"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.22″ custom_padding=”20px|0px|0px|0px”][et_pb_row admin_label=”row” _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”0px|0px|11px|0px”][et_pb_column type=”4_4″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”]Head of the department: RNDr. Jan \u0160\u00edlen\u00fd, CSc.<\/strong><\/p>\n

Our research activities are mainly oriented toward the research of the earthquake generation process and the propagation of the seismic waves. We use seismic waves generated by natural earthquakes and active experiments to study the structure of the Earth’s crust and upper mantle. We also investigate the physical processes in the foci of either natural or induced events (such as mining or drilling) and theoretical and numerical modelling in diverse environments. The Department of Seismology operates the Czech Regional Seismological Network, the local seismic network in West Bohemia\/Vogtland (WEBNET), but also in other regions in Czechia and abroad (AlpArray, REYKJANET). The research workers in our department participate in various international projects and research infrastuctures (ICDP Eger, CzechGeo\/EPOS, Ringen) in cooperation with many other scientific institutions.\u00a0<\/span>
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ column_structure=”1_3,2_3″][et_pb_column type=”1_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.ig.cas.cz\/wp-content\/uploads\/2018\/01\/PRU.jpg” align=”center” align_tablet=”center” align_last_edited=”on|desktop” _builder_version=”3.23″ max_width=”60%”] 
\n[\/et_pb_image][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″]Seismic service<\/strong>\u00a0<\/a>\u2013 maintains the Czech Regional Seismological Network, performs analysis of the seismograms, localize regional and global earthquakes, and ensures the international data exchange and archiving. Seismic service is also responsible for collecting and evaluating macroseismic data for events felt by citizens in Czechia.
\nHead of the working group: Jan Zedn\u00edk, members:\u00a0Petr Jedli\u010dka, Jana Bartizalov\u00e1, Jan Koz\u00e1k, Drahoslava Keistov\u00e1
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ custom_padding=”31.65px|0px|39px|0px” column_structure=”1_3,2_3″][et_pb_column type=”1_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.ig.cas.cz\/wp-content\/uploads\/2018\/01\/work2.jpg” align=”center” align_tablet=”center” align_last_edited=”on|desktop” _builder_version=”3.23″ max_width=”60%”] 
\n[\/et_pb_image][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ hover_enabled=”0″ sticky_enabled=”0″]The earthquake swarm<\/strong> working group focuses on seismic swarms. While operating the local seismic network WEBNET, we have monitored and studied earthquake swarms in West Bohemia\/Vogtland for 30 years. We deal with a wide range of research topics from the triggering of earthquake swarms through physical processes on the faults to the effective processing of large datasets. From 2013, we also monitor earthquake swarms on South-west Iceland with the REYKJANET network.
\nTeam leader: Josef Hor\u00e1lek,\u00a0 members: Tom\u00e1\u0161 Fischer, Martin Bachura, Alena Bou\u0161kov\u00e1, Zuzana Proch\u00e1zkov\u00e1, Bohuslav R\u016f\u017eek, Jana Doubravov\u00e1, Jakub Klicpera
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ column_structure=”1_3,2_3″][et_pb_column type=”1_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.ig.cas.cz\/wp-content\/uploads\/2018\/02\/earthquake-1790920_1920_600.jpg” align=”center” align_tablet=”center” align_last_edited=”on|desktop” _builder_version=”3.23″ max_width=”60%”] 
\n[\/et_pb_image][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ hover_enabled=”0″ sticky_enabled=”0″]Earthquakes and seismic waves<\/strong> \u2013 We study seismic source processes of natural and induced earthquakes. We study seismic wave propagation in complex 3D inhomogeneous structures and we work on the ray tracing theory for anisotropic and anelastic media.
\nTeam leader: Jan \u0160\u00edlen\u00fd, members: Ivan P\u0161en\u010d\u00edk, V\u00e1clav Vavry\u010duk, Petr Kol\u00e1\u0159, Petra Adamov\u00e1, Zuzana Jechumt\u00e1lov\u00e1, Vojt\u011bch L\u00e1vi\u010dka
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ column_structure=”1_3,2_3″][et_pb_column type=”1_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.ig.cas.cz\/wp-content\/uploads\/2018\/02\/bbb-1_600.jpg” align=”center” align_tablet=”center” align_last_edited=”on|desktop” _builder_version=”3.23″ max_width=”60%”] 
\n[\/et_pb_image][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.6.0″ hover_enabled=”0″ sticky_enabled=”0″]The lithosphere<\/strong>\u00a0working group studies the structure of continental lithosphere and the evolution leading to its origins. We organize passive seismic experiments in international cooperation from Scandinavia through Bohemian Massif\u00a0to Apennine Peninsula. Temporary dense seismic networks allow the registration of seismic waves, and from the deviation in the travel times, we can model the structure of the crust and upper mantle. At present, we participate in the seismic experiment AlpArray that aims to deep structure of the Alps and surrounding areas.
\nTeam leader: Jaroslava Plomerov\u00e1, members: Vladislav Babu\u0161ka, Lud\u011bk Vecsey, Helena Munzarov\u00e1, Ji\u0159\u00ed Kvapil, Hana Kampfov\u00e1-Exnerov\u00e1, technicians: Petr Jedli\u010dka, Josef Kotek
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ column_structure=”1_3,2_3″][et_pb_column type=”1_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.ig.cas.cz\/wp-content\/uploads\/2018\/02\/pa201611_600.jpg” align=”center” align_tablet=”center” align_last_edited=”on|desktop” _builder_version=”3.23″ max_width=”60%”] 
\n[\/et_pb_image][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″]Crustal studies<\/strong> \u2013 We study the Earth\u2019s crust and upper mantle in geodynamically active areas (e.g. West Bohemia, Switzerland, Iceland,Turkey, Carpathians). We process and interpret data from active and passive seismic experiments to obtain the distribution of seismic velocities, reflecting the subsurface structure. We apply numerical modelling and develop three-dimensional velocity models, including discontinuities, which help in discriminating various geological hypotheses as well as in solving other seismological tasks, such as the precise location of earthquake foci or strong ground motions.
\nTeam leader: Pavla Hrubcov\u00e1, members: Jan Burj\u00e1nek, Bohuslav R\u016f\u017eek
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Head of the department: RNDr. Jan \u0160\u00edlen\u00fd, CSc. Our research activities are mainly oriented toward the research of the earthquake generation process and the propagation of the seismic waves. We use seismic waves generated by natural earthquakes and active experiments to study the structure of the Earth’s crust and upper mantle. We also investigate the […]<\/p>\n","protected":false},"author":1,"featured_media":3406,"parent":404,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"

Vedouc\u00ed odd\u011blen\u00ed: RNDr. Jan \u0160\u00edlen\u00fd, CSc.<\/strong> Seismick\u00e9 odd\u011blen\u00ed studuje jevy spojen\u00e9 se vznikem a \u0161\u00ed\u0159en\u00edm seismick\u00fdch vln. Zkoum\u00e1me strukturu a vlastnosti zemsk\u00e9 k\u016fry a svrchn\u00edho pl\u00e1\u0161t\u011b pomoc\u00ed seismick\u00fdch vln buzen\u00fdch jak p\u0159irozen\u00fdmi zem\u011bt\u0159esen\u00edmi, tak i um\u011bl\u00fdmi zdroji. Zaj\u00edm\u00e1me se o fyzik\u00e1ln\u00ed procesy prob\u00edhaj\u00edc\u00ed v ohnisku p\u0159irozen\u00fdch zem\u011bt\u0159esen\u00ed i ot\u0159es\u016f indukovan\u00fdch pr\u016fmyslovou \u010dinnost\u00ed jako je dolov\u00e1n\u00ed nebo vrt\u00e1n\u00ed. Zab\u00fdv\u00e1me se tak\u00e9 teori\u00ed \u0161\u00ed\u0159en\u00ed vln v r\u016fzn\u00fdch prost\u0159ed\u00edch \u010di numerick\u00fdm a teoretick\u00fdm modelov\u00e1n\u00edm. Provozujeme s\u00ed\u0165 seismick\u00fdch stanic \u010cesk\u00e9 region\u00e1ln\u00ed s\u00edt\u011b, s\u00ed\u0165 stanic v na\u0161\u00ed seismicky\u00a0 nejaktivn\u011bj\u0161\u00ed oblasti \u2013 v z\u00e1padn\u00edch \u010cech\u00e1ch (WEBNET), ale i v jin\u00fdch z\u00e1jmov\u00fdch oblastech na\u0161\u00ed republiky a v zahrani\u010d\u00ed (AlpArray, REYKJANET). Pracovn\u00edci seismick\u00e9ho odd\u011blen\u00ed se pod\u00edl\u00ed na r\u016fzn\u00fdch mezin\u00e1rodn\u00edch projektech a na projektech ve spolupr\u00e1ci s mnoha dal\u0161\u00edmi v\u011bdeck\u00fdmi institucemi (ICPD Eger, CzechGeo\/EPOS-Sci, Ringen+). \u00a0<\/p>
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