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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >New constraints on the rapid crustal motion of the Aegean region: recent results inferred from GPS measurements (1993-1998) across the West Hellenic Arc, Greece
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New constraints on the rapid crustal motion of the Aegean region: recent results inferred from GPS measurements (1993-1998) across the West Hellenic Arc, Greece

机译：爱琴海地区快速地壳运动的新限制：从希腊西希腊弧上的GPS测量值（1993-1998年）得出的最新结果

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摘要

In this paper we present the most recent observations of crustal motion across the entire West Hellenic Arc (WHA). These are based on repeated GPS measurements carried out in the period from 1993 to 1998. The results are presented in terms of trajectories and rates, relative to Eurasia. Within these five years southwestern Greece has moved to the southwest by an average rate of 30 mm/a, increasing from 10 mm/a at the island of Lefkada, in the center of the Ionian islands, to nearly 40 mm/a along the southwest part of the Peloponnesus and to 35 mm/a on the islands of Crete and Gavdhos. The data provide strong evidence that distributed shear strain starts at the Kephalonia Fault Zone (KFZ), were an anomalously high earthquake activity is also observed. A striking interruption of the motion is seen at the island of Strofades, at the southwest leading edge of the WHA, where a south-oriented displacement of 12 cm was detected, coincident with the M = 6.4 Strofades earthquake of Nov. 18, 1997.
机译：在本文中，我们介绍了整个西希腊弧（WHA）上地壳运动的最新观测结果。这些是基于1993年至1998年期间进行的GPS重复测量。结果以相对于欧亚大陆的轨迹和速率表示。在这五年内，希腊西南部以平均30毫米/年的速度向西南移动，从爱奥尼亚群岛中部莱夫卡达岛的10毫米/年增加到西南部近40毫米/年伯罗奔尼撒半岛的一部分，在克里特岛和加夫多斯岛上达到35毫米/年。数据提供了强有力的证据，表明分布的剪切应变始于凯法利尼亚断裂带（KFZ），并且还观察到异常高的地震活动。在WHA西南前缘的Strofades岛上发现了一个明显的运动中断，在那里检测到向南的位移为12 cm，与1997年11月18日的M = 6.4 Strofades地震一致。

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