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| Description
| - The self-similarity of earthquake rupture scaling is a subject of ongoing debates. The output of multiple recent studies agrees on the fact that stress drops of earthquakes varies from 0.1 to 100 MPa over a broad range of seismic moments. We investigated the source parameters of 56 earthquakes in the magnitude range M-L from 0.8 to 3.3 occurred during the 2000 and 2008 swarm in West Bohemia/Vogtland in order to learn if the source scaling of these, most-likely fluid triggered events, differ from the observations in other seismogenic regions around the world. We used two approaches to calculate the corner frequency in the frequency domain: inverting for the corner frequency f(c) of the displacement spectra and integrating of spectra by the method of Snoke. A single f(c) for all stations was determined with attenuation correction defined by inverting for an event-dependent Q-factor. Similar dependence of the corner frequency on seismic moment was observed in the form f(c) proportional to M-0(-0.2), which is a much weaker scaling than expected for a constant stress drop model. Accordingly, the stress drops vary from 1 to 130 MPa and appears to grow with seismic moment as delta Sigma proportional to M-0(0.43). The non-self similarity of the swarm earthquakes is supported by rather wide span of apparent stress ranging between 0.3 kPa and 1.2 MPa.
- The self-similarity of earthquake rupture scaling is a subject of ongoing debates. The output of multiple recent studies agrees on the fact that stress drops of earthquakes varies from 0.1 to 100 MPa over a broad range of seismic moments. We investigated the source parameters of 56 earthquakes in the magnitude range M-L from 0.8 to 3.3 occurred during the 2000 and 2008 swarm in West Bohemia/Vogtland in order to learn if the source scaling of these, most-likely fluid triggered events, differ from the observations in other seismogenic regions around the world. We used two approaches to calculate the corner frequency in the frequency domain: inverting for the corner frequency f(c) of the displacement spectra and integrating of spectra by the method of Snoke. A single f(c) for all stations was determined with attenuation correction defined by inverting for an event-dependent Q-factor. Similar dependence of the corner frequency on seismic moment was observed in the form f(c) proportional to M-0(-0.2), which is a much weaker scaling than expected for a constant stress drop model. Accordingly, the stress drops vary from 1 to 130 MPa and appears to grow with seismic moment as delta Sigma proportional to M-0(0.43). The non-self similarity of the swarm earthquakes is supported by rather wide span of apparent stress ranging between 0.3 kPa and 1.2 MPa. (en)
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| Title
| - Source parameters of the swarm earthquakes in West Bohemia/Vogtland
- Source parameters of the swarm earthquakes in West Bohemia/Vogtland (en)
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| skos:prefLabel
| - Source parameters of the swarm earthquakes in West Bohemia/Vogtland
- Source parameters of the swarm earthquakes in West Bohemia/Vogtland (en)
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| skos:notation
| - RIV/00216208:11310/13:10173809!RIV14-GA0-11310___
|
| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - I, P(GAP210/12/2451), S, Z(MSM0021620855)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
| |
| http://linked.open...aciTvurceVysledku
| |
| http://linked.open.../riv/druhVysledku
| |
| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
| |
| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11310/13:10173809
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| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - Europe; Intra-plate processes; Seismic attenuation; Seismicity and tectonics; Earthquake source observations; Fourier analysis (en)
|
| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Geophysical Journal International
|
| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Michálek, Jan
- Fischer, Tomáš
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| |
| http://localhost/t...ganizacniJednotka
| |
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