Attenuation in West Bohemia: Evidence of High Attenuation in the Novy Kostel Focal Zone and Temporal Change Consistent with CO2 Degassing
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10376493" target="_blank" >RIV/00216208:11320/18:10376493 - isvavai.cz</a>
Alternative codes found
RIV/67985891:_____/18:00502453 RIV/00216208:11310/18:10376493
Result on the web
<a href="https://doi.org/10.1785/0120170168" target="_blank" >https://doi.org/10.1785/0120170168</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1785/0120170168" target="_blank" >10.1785/0120170168</a>
Alternative languages
Result language
angličtina
Original language name
Attenuation in West Bohemia: Evidence of High Attenuation in the Novy Kostel Focal Zone and Temporal Change Consistent with CO2 Degassing
Original language description
We used the 2008 West Bohemia (WB) swarm earthquakes to characterize the seismic attenuation in the region. We found effective attenuation factors Q(P) ranging between 150 and 175 and Q(S) between 125 and 165 for most of the stations. We developed an innovative differential attenuation measurement method that shows significantly lower values in the source region of Q(P) similar to 120 and Q(S) similar to 80, consistent with a saturated and fractured rock mass in the source region. Furthermore, stations placed west of the main fault system show a statistically significant temporal decrease in the effective attenuation coefficient. The effective attenuation coefficient is the lowest for the SKC station, the closest station to the mofettes with a high flow of CO2. The observations of the temporal changes are consistent with CO2 flow and fluids.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10505 - Geology
Result continuities
Project
<a href="/en/project/GAP210%2F12%2F2336" target="_blank" >GAP210/12/2336: Earthquake swarms and their triggering mechanisms in diverse tectonic environments (Bohemian Massif, Mid-Atlantic Ridge, Western Alps)</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Bulletin of the Seismological Society of America
ISSN
0037-1106
e-ISSN
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Volume of the periodical
108
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
450-458
UT code for WoS article
000429114900035
EID of the result in the Scopus database
2-s2.0-85042075059