CHARACTERISTIC OF NEOTECTONIC ACTIVITIES AND DIVIDING PARAMETERS OF EARTHQUAKE ZONE IN THE NOTHERN SOUTH CHINA SEA

LIU Ke; WANG Jianhua

doi:10.16562/j.cnki.0256-1492.2016.02.010

2016 Vol. 36, No. 2

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Article navigation > Marine Geology & Quaternary Geology > 2016 > 36(2): 85-92

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LIU Ke, WANG Jianhua. CHARACTERISTIC OF NEOTECTONIC ACTIVITIES AND DIVIDING PARAMETERS OF EARTHQUAKE ZONE IN THE NOTHERN SOUTH CHINA SEA[J]. Marine Geology & Quaternary Geology, 2016, 36(2): 85-92. doi: 10.16562/j.cnki.0256-1492.2016.02.010

Citation:

LIU Ke, WANG Jianhua. CHARACTERISTIC OF NEOTECTONIC ACTIVITIES AND DIVIDING PARAMETERS OF EARTHQUAKE ZONE IN THE NOTHERN SOUTH CHINA SEA[J]. Marine Geology & Quaternary Geology, 2016, 36(2): 85-92. doi: 10.16562/j.cnki.0256-1492.2016.02.010

CHARACTERISTIC OF NEOTECTONIC ACTIVITIES AND DIVIDING PARAMETERS OF EARTHQUAKE ZONE IN THE NOTHERN SOUTH CHINA SEA

LIU Ke^1,2,3,
WANG Jianhua^1,2

1. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072;
2. Geotechnical Engineering Institute, Tianjin University, Tianjin 300072;
3. North China University of Science and Technology, Tangshan 063009

Received Date: 24 March 2015

Revised Date: 01 December 2015

Abstract

Abstract

The sedimentary basins in the Northern South China Sea are rich in oil and gas. Earthquake activities have important and directly influences on the stability of these sedimentary basins. This paper deals with the distribution of main fault zones and their activity characteristics in the studied area. On the basis of the seismic data in the Northern South China Sea, this article made a map on fault zone distribution and earthquake epicenter distribution for the region of the Northern South China Sea. Earthquakes in the region are grouped into three sub-zones, i.e. the coastal area of Guangdong, the coastal area of Fujian, and the Zhujiang River mouth and shallow water area of Taiwan. Comparatively studies are carried out based on the seismic parameter b and the earthquake acceleration of the three seismic sub-zones. The b values are 0.9498, 0.6452 and 0.4865 in the coastal area of Guangdong, the coastal area of Fujian, the Zhujiang river mouth basin and shallow water area of Taiwan respectively. And the earthquake acceleration changes between 0.115~0.379 g. This research work may provide a basis for stability analysis and evaluation on sedimentary basins in the Northern South China sea.
- neotectonic activity /
- earthquake /
- seismic intensity /
- the Northern South China Sea

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References

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