000011852 001__ 11852
000011852 005__ 20141205155953.0
000011852 04107 $$aeng
000011852 046__ $$k2008-10-12
000011852 100__ $$aTarela, Ester
000011852 24500 $$aLast Century Worldwide Seismicity Analysis: A New View of Earthquake Prediction Based on the Brittle-Ductile Interaction Hypothesis

000011852 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011852 260__ $$b
000011852 506__ $$arestricted
000011852 520__ $$2eng$$aWorld-wide, regional, and local earthquake catalogues are used to analyze seismic time variation at global, regional and local scale. The quality of the catalogues is discussed and the magnitude of completeness is estimated. Taking into account the availability of regional data, their time and magnitude completeness threshold and their rate of seismic activity, three countries/regions are chosen for regional analysis: Spain, Colombia and Taiwan. Finally, a seismic station in Colombia is selected for a detailed local analysis. In fact, the final target of this work is to test the lithosphere brittle-ductile interaction hypothesis as a mid-term predictor. The time evolution of seismic activity represents the brittle zone behavior while the one of the ductile zone is characterized by the time evolution of the coda-Q quality factor. Correlation analysis between seismicity and attenuation would lead to a mid-term prediction. Thus, at local scale, for the selected station, both seismicity and attenuation functions are analyzed. Cross correlation of the time series of the seismic rates with those of the attenuation, is calculated. Significant variations, in both the seismic activity and the Q quality factor, are detected, and seismic patterns, such as cycles are distinguished at all scales. The effects of the complex and deep activity in the Colombian region in the correlation analysis are discussed and compared with results of analogous studies in other dissimilar tectonic areas.

000011852 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011852 653__ $$aWorldwide seismicity, seismicity evolution, coda-Q, seismic attenuation. Brittle-ductile interaction hypothesis.

000011852 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011852 720__ $$aTarela, Ester$$iPujades, Lluis G.$$iUgalde, A.
000011852 8560_ $$ffischerc@itam.cas.cz
000011852 8564_ $$s233971$$uhttps://invenio.itam.cas.cz/record/11852/files/S02-010.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: S02-010.
000011852 962__ $$r9324
000011852 980__ $$aPAPER