The characteristics of Quaternary activity of faults in the sea area near the Yangtze River mouth

The characteristics of Quaternary activity of faults in the sea area near the Yangtze River mouth

By shallow seismic prospecting, it is showed that the faults in the sea area near the Yangtze River mouth are mainly the NE and NW-trending faults. The main activity time of fault is Pliocene to Early Pleistocene, and the latest activity is up to Middle Pleistocene. The maximum of fault is generally...

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Veröffentlicht in:Acta seismologica sinica 2004-07, Vol.17 (4), p.473-479
Hauptverfasser: Zhang, Zhen-quan, Huo, En-jie, Liu, Chang-sen, Wang, Feng
Format: Artikel
Sprache:eng
Schlagworte:
Displacement
Fault diagnosis
Fault lines
Faults
Freshwater
Measuring instruments
Mouth
Pleistocene
Pliocene
Prospecting
Quaternary
River mouth
Rivers
Seismic engineering
Seismic phenomena
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Zusammenfassung:By shallow seismic prospecting, it is showed that the faults in the sea area near the Yangtze River mouth are mainly the NE and NW-trending faults. The main activity time of fault is Pliocene to Early Pleistocene, and the latest activity is up to Middle Pleistocene. The maximum of fault is generally several tens meters with the throw decreased upward. The dislocation near the bottom of Middle Pleistocene is 12-13 m. The average vertical displacement rate is on a level of 10^sup -3^ mm/a.[PUBLICATION ABSTRACT]
ISSN:1000-9116
1674-4519
1993-1344
1867-8777
DOI:10.1007/s11589-004-0027-z