Triggered seismic activity in the Liquiñe‐Ofqui fault zone, southern Chile, during the 2007 Aysen seismic swarm

SUMMARY We relocated the six large‐magnitude (5.2 < Mw < 6.2) earthquakes of the destructive, tsunamigenic Aysen seismic swarm, which occurred from 2007 January–October in Patagonian Chile. We used P and SH arrival times from near‐source stations of a temporary seismic network fortuitously dep...

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Bibliographic Details
Published in:Geophysical journal international 2011-03, Vol.184 (3), p.1317-1326
Main Authors: Russo, R. M., Gallego, Alejandro, Comte, Diana, Mocanu, Victor I., Murdie, Ruth E., Mora, Cindy, VanDecar, John C.
Format: Article
Language:English
Subjects:
Chile
Continental margins: convergent
Earthquake interaction, forecasting and prediction
Faults
Geophysics
Neotectonics
Seismic engineering
Seismic phenomena
Seismicity and tectonics
Transform faults
Tsunamis
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Summary:SUMMARY We relocated the six large‐magnitude (5.2 < Mw < 6.2) earthquakes of the destructive, tsunamigenic Aysen seismic swarm, which occurred from 2007 January–October in Patagonian Chile. We used P and SH arrival times from near‐source stations of a temporary seismic network fortuitously deployed in the area when the swarm began, and also traveltimes to stations of the permanent global networks, to locate the 2007 January 23, Mw 5.2 earthquake, the first of the six large magnitude events. This earthquake's hypocentre lies at shallow depth (
ISSN:0956-540X
1365-246X
DOI:10.1111/j.1365-246X.2010.04908.x