期刊
JOURNAL OF GEODYNAMICS
卷 67, 期 -, 页码 62-71出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jog.2012.05.010
关键词
GPS; Strain; Seismicity; Ionian Sea; Greece
资金
- EU-FP6 [516172]
- 3rd Community Support Framework
Ionian Sea (western Greece) is a plate-boundary region of high seismicity and complex tectonics, dominated by frequent earthquake activity along the right-lateral Cephalonia transform fault. We present an analysis of 30-s GPS data from five (5) continuous stations of NOANET (NOA permanent GPS network) spanning the period 2007-2010. Our results show N-S crustal shortening onshore Lefkada island of the order of 2-3 mm/yr which is probably related to increased locking on the offshore Lefkada fault. We also calculated a large difference (1:3) in the principal strain rate amplitude between extension and shortening for the central Ionian Sea. (C) 2012 Elsevier Ltd. All rights reserved.
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