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Weighted Complex Networks Applied to Seismicity: the Itoiz Dam (Northern Spain) : Volume 18, Issue 4 (18/07/2011)

By Jiménez, A.

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Book Id: WPLBN0003974685
Format Type: PDF Article :
File Size: Pages 11
Reproduction Date: 2015

Title: Weighted Complex Networks Applied to Seismicity: the Itoiz Dam (Northern Spain) : Volume 18, Issue 4 (18/07/2011)  
Author: Jiménez, A.
Volume: Vol. 18, Issue 4
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Luzón, F., & Jiménez, A. (2011). Weighted Complex Networks Applied to Seismicity: the Itoiz Dam (Northern Spain) : Volume 18, Issue 4 (18/07/2011). Retrieved from

Description: Department of Applied Physics, University of Almería, Carretera de Sacramento s/n, Cañada de San Urbano, 04120, Almería, Spain. On 18 September 2004, an earthquake of magnitude mbLg = 4.6 was recorded near the Itoiz dam (Northern Spain). It occurred after the first impoundment of the reservoir and has been catalogued by some authors as induced seismicity. We analyzed the seismicity in the region as weighted complex networks and tried to differentiate this event from others that occurred nearby. We calculated the main topological features of the networks formed by the seismic clusters and compared them. We compared the results with a series of simulations, and showed that the clusters were better modelled with the Epidemic-Type Aftershock Sequence (ETAS) model than with random models. We found that the properties of the different clusters are grouped according to the magnitude of the main shocks and the number of events in each cluster, and that no distinct feature could be obtained for the 18 September 2004 series. We found that the nodes with the highest strength are the most important in the networks' traffic, and are associated with the events with the highest magnitude within the clusters.

Weighted complex networks applied to seismicity: the Itoiz dam (Northern Spain)

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