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4 March 2010 Mw 6.3 Jiasian, Taiwan earthquake sequence
4 March 2010 Mw 6.3 Jiasian, Taiwan earthquake sequence
The Mw 6.3 Jiasian earthquake which occurred on 4 March 2010 caused large ground shaking and extensive damage in southern Taiwan. Its fault plane significantly differs from the nearby N-S striking Chaochou Fault as well as the NNE-SSW principal trend of Taiwan orogenic belt, and illuminates a undiscovered NW-SE striking deep thrust fault system. The relocated Jiasian earthquake sequence initiating from the 23-km-deep mainshock and terminating at around 10 km in depth also indicates it is likely a blind fault.
Figure: The distribution of stations (left), relocated Jiasian earthquake sequence and focal mechanisms in map view (middle) and in cross-section (right). Red lines are the active fault traces published by Central Geological Survey. The dashed gray line is the possible fault geometry.
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Huang, H.-H., Y.-M. Wu*, T.-L. Lin, W.-A. Chao, J. B. H. Shyu, C.-H. Chan, and C.-H. Chang (2011), The Preliminary Study of the 4 March 2010 Mw6.3 Jiasian, Taiwan, Earthquake Sequence, Terre. Atmos. Oceanic Sci., 22, 3, 283-290
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