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Structural preconditions of West Bohemia earthquake swarms
- 1.0394762 - GFÚ 2014 RIV NL eng J - Journal Article
Novotný, Miroslav - Špičák, Aleš - Weinlich, F. H.
Structural preconditions of West Bohemia earthquake swarms.
Surveys in Geophysics. Roč. 34, č. 4 (2013), s. 491-519. ISSN 0169-3298. E-ISSN 1573-0956
R&D Projects: GA MŠMT LM2010008
Institutional support: RVO:67985530
Keywords : West Bohemia earthquake swarms * depth-recursive refraction tomography * CEL09 refraction profile
Subject RIV: DC - Siesmology, Volcanology, Earth Structure
Impact factor: 5.112, year: 2013
The West Bohemia and adjacent Vogtland are well known for quasi-periodical earthquake swarms persisting for centuries. The seismogenic area near Nový Kostel involved about 90 % of overall earthquake activity clustered here in space and time. The latest major earthquake swarm took place in August-September 2011. In 1994 and 1997, two minor earthquake swarms appeared in another location, near Lazy. Recently, the depth-recursive tomography yielded a velocity image with an improved resolution along the CEL09 refraction profile passing between these swarm areas. The resolution, achieved in the velocity image and its agreement with the inverse gravity modeling along the collateral 9HR reflection profile, enabled us to reveal the key structural background of these West Bohemia earthquake swarms.
Permanent Link: http://hdl.handle.net/11104/0222929
Number of the records: 1